diff --git a/.bettercodehub.yml b/.bettercodehub.yml
index 349f7675a..d7be51695 100644
--- a/.bettercodehub.yml
+++ b/.bettercodehub.yml
@@ -1,3 +1,3 @@
-component_depth: 8
+component_depth: 10
 languages:
 - kotlin
diff --git a/.circleci/config.yml b/.circleci/config.yml
index cad321125..ce2922ba3 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -98,7 +98,7 @@ jobs:
           command: yes | sdkmanager --licenses && yes | sdkmanager --update
       - run:
           name: Setup emulator
-          command: sdkmanager "system-images;android-19;default;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-19;default;armeabi-v7a"
+          command: sdkmanager "system-images;android-22;default;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-22;default;armeabi-v7a"
       - run:
           name: Launch emulator
           command: export LD_LIBRARY_PATH=${ANDROID_HOME}/emulator/lib64:${ANDROID_HOME}/emulator/lib64/qt/lib && emulator64-arm -avd test -noaudio -no-boot-anim -no-window -accel on
@@ -116,7 +116,7 @@ jobs:
             adb shell input keyevent 82
       - run:
           name: Run instrumented tests
-          command: ./gradlew clean createPlayDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew clean createFdroidDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
       - run:
           name: Collect logs from emulator
           command: adb logcat -d > ./app/build/reports/logcat_emulator.txt
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 000000000..a81b333f3
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,202 @@
+name: Test and deploy
+
+on:
+  push:
+    branches: [ develop ]
+    tags: [ '*' ]
+  pull_request:
+    branches: [ develop ]
+
+  workflow_dispatch:
+
+jobs:
+  unit-tests:
+      name: Unit tests
+      runs-on: ubuntu-latest
+      timeout-minutes: 10
+      steps:
+        - uses: fkirc/skip-duplicate-actions@master
+        - uses: actions/checkout@v2
+        - uses: gradle/wrapper-validation-action@v1
+        - uses: actions/setup-java@v1
+          with:
+            java-version: 11
+        - uses: actions/cache@v2
+          with:
+            path: |
+              ~/.gradle/caches
+              ~/.gradle/wrapper
+            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
+        - name: Unit tests
+          run: |
+            ./gradlew --build-cache -Pcoverage testFdroidDebugUnitTest --stacktrace
+            ./gradlew --build-cache -Pcoverage jacocoTestReport --stacktrace
+        - uses: codecov/codecov-action@v1
+          with:
+              flags: unit
+
+  deploy-google-play:
+      name: Deploy to google play
+      runs-on: ubuntu-latest
+      timeout-minutes: 10
+      environment: google-play
+      needs: [ unit-tests ]
+      if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+      steps:
+        - uses: actions/checkout@v2
+        - uses: actions/setup-java@v1
+          with:
+            java-version: 11
+        - uses: actions/cache@v2
+          with:
+            path: |
+              ~/.gradle/caches
+              ~/.gradle/wrapper
+            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
+        - name: Decrypt keys
+          env:
+            ENCRYPT_KEY: ${{ secrets.ENCRYPT_KEY }}
+            SERVICES_ENCRYPT_KEY: ${{ secrets.SERVICES_ENCRYPT_KEY }}
+          run: |
+            gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg
+            gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg
+            gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg
+        - name: Upload apk to google play
+          env:
+            PLAY_KEY_ALIAS: ${{ secrets.PLAY_KEY_ALIAS }}
+            PLAY_KEY_PASSWORD: ${{ secrets.PLAY_KEY_PASSWORD }}
+            PLAY_SERVICE_ACCOUNT_EMAIL: ${{ secrets.PLAY_SERVICE_ACCOUNT_EMAIL }}
+            PLAY_STORE_PASSWORD: ${{ secrets.PLAY_STORE_PASSWORD }}
+          run: ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
+
+  deploy-appcenter:
+      name: Deploy to App Center
+      runs-on: ubuntu-latest
+      timeout-minutes: 10
+      environment: app-center
+      if: github.ref != 'refs/heads/develop'
+      steps:
+        - uses: actions/checkout@v2
+        - uses: actions/setup-java@v1
+          with:
+            java-version: 11
+        - uses: actions/cache@v2
+          with:
+            path: |
+              ~/.gradle/caches
+              ~/.gradle/wrapper
+            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
+        - name: Set run number with offset
+          env:
+            BUILD_NUMBER_OFFSET: ${{ secrets.BUILD_NUMBER_OFFSET }}
+          run: echo "RUN_NUMBER=$((GITHUB_RUN_NUMBER+BUILD_NUMBER_OFFSET))" >> $GITHUB_ENV
+        - name: Prepare build configuration
+          run: |
+            sed -i -e "s#applicationIdSuffix \".dev\"#applicationIdSuffix \".${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/build.gradle
+            sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/google-services.json
+            sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/agconnect-services.json
+            sed -i -e '/versionNameSuffix/d' app/build.gradle
+        - name: Add signing config
+          run: |
+            cat >> app/build.gradle <<EOF
+            android.signingConfigs.debug {
+                storeFile file("bitrise.jks")
+                storePassword System.getenv("BITRISE_KEYSTORE_PASSWORD")
+                keyAlias System.getenv("BITRISE_KEY_ALIAS")
+                keyPassword System.getenv("BITRISE_KEY_PASSWORD")
+            }
+            EOF
+        - name: Decrypt keys
+          env:
+            BITRISE_ENCRYPT_KEY: ${{ secrets.BITRISE_ENCRYPT_KEY }}
+          run: |
+            gpg --yes --batch --passphrase=$BITRISE_ENCRYPT_KEY ./app/bitrise.jks.gpg
+        - name: Bump version
+          uses: chkfung/android-version-actions@v1.1
+          with:
+            gradlePath: app/build.gradle
+            versionCode: ${{ env.RUN_NUMBER }}
+            versionName: ${{ env.RUN_NUMBER }}-${{ github.head_ref }}
+        - name: Build apk
+          env:
+            BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
+            BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
+            BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
+          run: ./gradlew assembleFdroidDebug --stacktrace
+        - name: Upload apk to github artifacts
+          uses: actions/upload-artifact@v2
+          with:
+            name: wulkanowyDEV-${{ env.RUN_NUMBER }}.apk
+            path: app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk
+        - name: Deploy to app center
+          uses: wzieba/AppCenter-Github-Action@v1
+          with:
+            appName: wulkanowy/wulkanowy
+            token: ${{ secrets.APP_CENTER_TOKEN }}
+            group: Testers
+            file: app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk
+            notifyTesters: true
+            debug: true
+
+  deploy-app-distribution:
+      name: Deploy to AppDistribution
+      runs-on: ubuntu-latest
+      timeout-minutes: 10
+      environment: app-distribution
+      if: github.ref == 'refs/heads/develop'
+      steps:
+        - uses: actions/checkout@v2
+        - uses: actions/setup-java@v1
+          with:
+            java-version: 11
+        - uses: actions/cache@v2
+          with:
+            path: |
+              ~/.gradle/caches
+              ~/.gradle/wrapper
+            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
+        - name: Set run number with offset
+          env:
+            BUILD_NUMBER_OFFSET: ${{ secrets.BUILD_NUMBER_OFFSET }}
+          run: echo "RUN_NUMBER=$((GITHUB_RUN_NUMBER+BUILD_NUMBER_OFFSET))" >> $GITHUB_ENV
+        - name: Add signing config
+          run: |
+            cat >> app/build.gradle <<EOF
+            android.signingConfigs.debug {
+                storeFile file("bitrise.jks")
+                storePassword System.getenv("BITRISE_KEYSTORE_PASSWORD")
+                keyAlias System.getenv("BITRISE_KEY_ALIAS")
+                keyPassword System.getenv("BITRISE_KEY_PASSWORD")
+            }
+            EOF
+        - name: Decrypt keys
+          env:
+            BITRISE_ENCRYPT_KEY: ${{ secrets.BITRISE_ENCRYPT_KEY }}
+            BITRISE_SERVICES_ENCRYPT_KEY: ${{ secrets.BITRISE_SERVICES_ENCRYPT_KEY }}
+          run: |
+            gpg --yes --batch --passphrase=$BITRISE_SERVICES_ENCRYPT_KEY ./app/src/debug/google-services.json.gpg
+            gpg --yes --batch --passphrase=$BITRISE_ENCRYPT_KEY ./app/bitrise.jks.gpg
+        - name: Bump version
+          uses: chkfung/android-version-actions@v1.1
+          with:
+            gradlePath: app/build.gradle
+            versionCode: ${{ env.RUN_NUMBER }}
+            versionName: ${{ env.RUN_NUMBER }}
+        - name: Build apk
+          env:
+            BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
+            BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
+            BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
+          run: ./gradlew assemblePlayDebug -PenableFirebase --stacktrace
+        - name: Upload apk to github artifacts
+          uses: actions/upload-artifact@v2
+          with:
+            name: wulkanowyDEV-${{ env.RUN_NUMBER }}-dev.apk
+            path: app/build/outputs/apk/play/debug/app-play-debug.apk
+        - name: Deploy to app distribution
+          uses: wzieba/Firebase-Distribution-Github-Action@v1
+          with:
+            appId: ${{ secrets.FIREBASE_APP_ID }}
+            token: ${{ secrets.FIREBASE_TOKEN }}
+            groups: discord
+            file: app/build/outputs/apk/play/debug/app-play-debug.apk
diff --git a/.gitignore b/.gitignore
index 6cb549fa5..5d3321e3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@ out/
 # Gradle files
 .gradle/
 build/
+.build-cache
 
 # Local configuration file (sdk path, etc)
 local.properties
@@ -63,6 +64,7 @@ captures/
 .idea/dynamic.xml
 .idea/uiDesigner.xml
 .idea/runConfigurations.xml
+.idea/discord.xml
 
 # Keystore files
 *.jks
@@ -110,4 +112,8 @@ Thumbs.db
 
 ### AndroidStudio Patch ###
 
-!/gradle/wrapper/gradle-wrapper.jar
\ No newline at end of file
+!/gradle/wrapper/gradle-wrapper.jar
+.idea/jarRepositories.xml
+
+
+app/src/release/agconnect-services.json
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index d66c3361f..0ac66f649 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -4,23 +4,23 @@
     <JetCodeStyleSettings>
       <option name="PACKAGES_TO_USE_STAR_IMPORTS">
         <value>
-          <package name="kotlinx.android.synthetic" withSubpackages="true" static="false" />
+          <package name="kotlinx.android.synthetic" alias="false" withSubpackages="true" />
+        </value>
+      </option>
+      <option name="PACKAGES_IMPORT_LAYOUT">
+        <value>
+          <package name="" alias="false" withSubpackages="true" />
+          <package name="java" alias="false" withSubpackages="true" />
+          <package name="javax" alias="false" withSubpackages="true" />
+          <package name="kotlin" alias="false" withSubpackages="true" />
+          <package name="" alias="true" withSubpackages="true" />
         </value>
       </option>
       <option name="NAME_COUNT_TO_USE_STAR_IMPORT" value="2147483647" />
       <option name="NAME_COUNT_TO_USE_STAR_IMPORT_FOR_MEMBERS" value="2147483647" />
-      <option name="CONTINUATION_INDENT_IN_PARAMETER_LISTS" value="false" />
-      <option name="CONTINUATION_INDENT_IN_ARGUMENT_LISTS" value="false" />
-      <option name="CONTINUATION_INDENT_FOR_EXPRESSION_BODIES" value="false" />
-      <option name="CONTINUATION_INDENT_FOR_CHAINED_CALLS" value="false" />
-      <option name="CONTINUATION_INDENT_IN_SUPERTYPE_LISTS" value="false" />
-      <option name="CONTINUATION_INDENT_IN_IF_CONDITIONS" value="false" />
-      <option name="CONTINUATION_INDENT_IN_ELVIS" value="false" />
       <option name="WRAP_ELVIS_EXPRESSIONS" value="0" />
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
     </JetCodeStyleSettings>
-    <MarkdownNavigatorCodeStyleSettings>
-      <option name="RIGHT_MARGIN" value="72" />
-    </MarkdownNavigatorCodeStyleSettings>
     <codeStyleSettings language="XML">
       <indentOptions>
         <option name="CONTINUATION_INDENT_SIZE" value="4" />
@@ -134,13 +134,11 @@
       </arrangement>
     </codeStyleSettings>
     <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
       <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
       <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
       <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="0" />
       <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
-      <option name="METHOD_PARAMETERS_LPAREN_ON_NEXT_LINE" value="true" />
-      <option name="METHOD_PARAMETERS_RPAREN_ON_NEXT_LINE" value="true" />
-      <option name="EXTENDS_LIST_WRAP" value="1" />
       <indentOptions>
         <option name="CONTINUATION_INDENT_SIZE" value="4" />
       </indentOptions>
diff --git a/.travis.yml b/.travis.yml
index 1baa92389..04db3a616 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ jdk: oraclejdk8
 
 env:
  global:
-    - ANDROID_API_LEVEL=28
-    - ANDROID_BUILD_TOOLS_VERSION=28.0.3
+   - ANDROID_API_LEVEL=30
+   - ANDROID_BUILD_TOOLS_VERSION=30.0.2
 
 cache:
   directories:
@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.10.1
+    - 0.24.0
 
 android:
  licenses:
@@ -28,40 +28,40 @@ android:
     - build-tools-$ANDROID_BUILD_TOOLS_VERSION
     # The SDK version used to compile your project
     - android-$ANDROID_API_LEVEL
-    # Additional components
+   # Additional components
     - extra-google-google_play_services
     - extra-google-m2repository
     - extra-android-m2repository
     - addon-google_apis-google-$ANDROID_API_LEVEL
-    # Android emulator
-    - android-19
-    - sys-img-armeabi-v7a-android-19
+   # Android emulator
+    - android-22
+    - sys-img-armeabi-v7a-android-22
+
+before_install:
+  - yes | sdkmanager "platforms;android-30"
+  - yes | sdkmanager "build-tools;30.0.2"
 
 before_script:
-    # Launch emulator before the execution
-    - echo no | android create avd --force -n test -t android-19 --abi armeabi-v7a
-    - emulator -avd test -no-audio -no-window &
-    - android-wait-for-emulator
-    - adb shell input keyevent 82 &
-    - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"
+  # Launch emulator before the execution
+  - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
+  - emulator -avd test -no-audio -no-window &
+  - android-wait-for-emulator
+  - adb shell input keyevent 82 &
+  - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"
 
 script:
   - ./gradlew dependencies --stacktrace --daemon
   - fossa --no-ansi || true
-  #- ./gradlew lintPlayRelease -x fabricGenerateResourcesPlayRelease --stacktrace --daemon
-  - ./gradlew testPlayDebugUnitTest -x fabricGenerateResourcesPlay --stacktrace --daemon
-  - ./gradlew createPlayDebugCoverageReport --stacktrace --daemon
-  - ./gradlew jacocoTestReport --stacktrace --daemon
-  - if [ -z ${SONAR_HOST+x} ]; then echo "sonar scan skipped"; else
-      git fetch --unshallow;
-      ./gradlew sonarqube -x test -x lint -x fabricGenerateResourcesPlayRelease -x fabricGenerateResourcesFdroidRelease -Dsonar.host.url=$SONAR_HOST -Dsonar.organization=$SONAR_ORG -Dsonar.login=$SONAR_KEY -Dsonar.branch.name=${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH} --stacktrace --daemon;
-    fi
+  - ./gradlew -Pcoverage testFdroidDebugUnitTest --stacktrace --daemon
+  - ./gradlew -Pcoverage connectedFdroidDebugAndroidTest --stacktrace --daemon
+  - ./gradlew -Pcoverage jacocoTestReport --stacktrace --daemon
   - |
     if [ $TRAVIS_TAG ]; then
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg;
+      gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publishPlayRelease -PenableCrashlytics --stacktrace;
+      ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
     fi
 
 after_success:
diff --git a/README.en.md b/README.en.md
index 9e1585156..0f2885cfd 100644
--- a/README.en.md
+++ b/README.en.md
@@ -1,13 +1,14 @@
 [Polska wersja README](README.md)
 
 # Wulkanowy
-[![Travis](https://img.shields.io/travis/com/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://travis-ci.com/wulkanowy/wulkanowy)
+
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/wulkanowy/wulkanowy/Test%20and%20deploy/develop?style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
 [![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
 [![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg)](https://f-droid.org/packages/io.github.wulkanowy/)
-[![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github)](https://github.com/wulkanowy/wulkanowy/releases)
+[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?style=flat-square)](https://f-droid.org/packages/io.github.wulkanowy/)
+[![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github&style=flat-square)](https://github.com/wulkanowy/wulkanowy/releases)
 
-Unofficial android VULCAN UONET+ register client for student and parent
+Unofficial android VULCAN UONET+ register client for both students and their parents
 
 ## Features
 
@@ -24,31 +25,38 @@ Unofficial android VULCAN UONET+ register client for student and parent
     * homework
     * notes
     * lucky number
-* calculation of the average
+    * additional lessons
+    * school conferences
+    * student and school information
+* calculation of the average independently of school's preferences
 * notifications, e.g. about a new grade
+* support for multiple accounts with the ability to rename students 
 * dark and black (AMOLED) theme
 * offline mode
 * no ads
 
 ## Download
 
-You can download the current beta from the Google Play or Fdroid store
+You can download the current version from the Google Play, F-Droid or Huawei AppGallery store
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Get it on Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Get it on Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Get it on Fdroid"
+    alt="Get it on F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Explore it on AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
     
-You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features prepared for the next release
+You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features being prepared for the next release
 
 ## Built With
 
 
-* [Wulkanowy API](https://github.com/wulkanowy/api)
-* [RxJava 2](https://github.com/ReactiveX/RxJava)
-* [Dagger 2](https://github.com/google/dagger)
+* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
+* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
+* [Hilt](https://dagger.dev/hilt/)
 * [Room](https://developer.android.com/topic/libraries/architecture/room)
 * [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
 
@@ -56,6 +64,9 @@ You can also download a [development version](https://wulkanowy.github.io/#downl
 
 Please contribute to the project either by creating a PR or submitting an issue on GitHub.
 
+For people interested in translating the application into different languages, we provide Crowdin
+https://crowdin.com/project/wulkanowy2
+
 ## License
 
 This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details
diff --git a/README.md b/README.md
index 559c8f44d..bbc36ab65 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,12 @@
 [English version of README](README.en.md)
 
 # Wulkanowy
-[![Travis](https://img.shields.io/travis/com/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://travis-ci.com/wulkanowy/wulkanowy)
+
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/wulkanowy/wulkanowy/Test%20and%20deploy/develop?style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
 [![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
 [![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg)](https://f-droid.org/packages/io.github.wulkanowy/)
-[![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github)](https://github.com/wulkanowy/wulkanowy/releases)
+[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?style=flat-square)](https://f-droid.org/packages/io.github.wulkanowy/)
+[![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github&style=flat-square)](https://github.com/wulkanowy/wulkanowy/releases)
 
 Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
 
@@ -24,22 +25,29 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
     * zadania domowe
     * uwagi
     * szczęśliwy numerek
-* obliczanie średniej
+    * dodatkowe lekcje
+    * zebrania w szkole
+    * informacje o uczniu i szkole
+* obliczanie średniej niezależnie od preferencji szkoły
 * powiadomienia np. o nowej ocenie
+* obsługa wielu kont wraz z możliwością zmiany nazwy ucznia 
 * ciemny i czarny (AMOLED) motyw
-* tryb offilne
+* tryb offline
 * brak reklam
 
 ## Pobierz
 
-Aktualną wersję beta możesz pobrać ze sklepu Google Play lub Fdroid
+Aktualną wersję możesz pobrać ze sklepu Google Play, F-Droid lub Huawei AppGallery
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Pobierz z Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Pobierz z Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Pobierz z Fdroid"
+    alt="Pobierz z F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Odkrywaj w AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
 
 
 Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#download), która zawiera nowe funkcje przygotowywane do następnego wydania
@@ -47,9 +55,9 @@ Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#downloa
 
 ## Zbudowana za pomocą
 
-* [Wulkanowy API](https://github.com/wulkanowy/api)
-* [RxJava 2](https://github.com/ReactiveX/RxJava)
-* [Dagger 2](https://github.com/google/dagger)
+* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
+* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
+* [Hilt](https://dagger.dev/hilt/)
 * [Room](https://developer.android.com/topic/libraries/architecture/room)
 * [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
 
@@ -57,6 +65,9 @@ Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#downloa
 
 Wnieś swój wkład w projekt, tworząc PR lub wysyłając issue na GitHub.
 
+Dla osób zainteresowanych tłumaczeniem aplikacji na różne języki udostępniamy Crowdina
+https://crowdin.com/project/wulkanowy2
+
 ## Licencja
 
-Ten projekt jest licencjonowany w ramach Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)
\ No newline at end of file
+Ten projekt udostępniany jest na licencji Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)
diff --git a/app/bitrise.jks b/app/bitrise.jks
new file mode 100644
index 000000000..9d9c11dc7
Binary files /dev/null and b/app/bitrise.jks differ
diff --git a/app/bitrise.jks.gpg b/app/bitrise.jks.gpg
new file mode 100644
index 000000000..1dee91bd9
Binary files /dev/null and b/app/bitrise.jks.gpg differ
diff --git a/app/build.gradle b/app/build.gradle
index 725316f64..80496ff1e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,41 +1,50 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-android-extensions'
-apply plugin: 'io.fabric'
+apply plugin: 'dagger.hilt.android.plugin'
+apply plugin: 'com.google.firebase.crashlytics'
 apply plugin: 'com.github.triplet.play'
+apply plugin: 'com.mikepenz.aboutlibraries.plugin'
+apply plugin: 'com.google.gms.google-services'
+apply plugin: 'com.huawei.agconnect'
 apply from: 'jacoco.gradle'
 apply from: 'sonarqube.gradle'
 apply from: 'hooks.gradle'
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 30
+    buildToolsVersion '30.0.3'
 
     defaultConfig {
         applicationId "io.github.wulkanowy"
         testApplicationId "io.github.tests.wulkanowy"
-        minSdkVersion 16
-        targetSdkVersion 28
-        versionCode 44
-        versionName "0.10.1"
+        minSdkVersion 17
+        targetSdkVersion 30
+        versionCode 89
+        versionName "1.1.3"
         multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
+
+        resValue "string", "app_name", "Wulkanowy"
+        buildConfigField "long", "BUILD_TIMESTAMP", String.valueOf(System.currentTimeMillis())
+
         manifestPlaceholders = [
-                fabric_api_key     : System.getenv("FABRIC_API_KEY") ?: "null",
-                crashlytics_enabled: project.hasProperty("enableCrashlytics")
+                firebase_enabled: project.hasProperty("enableFirebase")
         ]
         javaCompileOptions {
             annotationProcessorOptions {
-                arguments = ["room.schemaLocation": "$projectDir/schemas".toString(),
-                             "room.incremental"   : "true"]
+                arguments += [
+                        "room.schemaLocation": "$projectDir/schemas".toString(),
+                        "room.incremental"   : "true"
+                ]
             }
         }
     }
 
     sourceSets {
-        androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
+        // https://github.com/robolectric/robolectric/issues/3928#issuecomment-395309991
+        debug.assets.srcDirs += files("$projectDir/schemas".toString())
     }
 
     signingConfigs {
@@ -49,159 +58,184 @@ android {
 
     buildTypes {
         release {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "true"
             minifyEnabled true
             shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
         }
         debug {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", project.hasProperty("enableCrashlytics") ? "true" : "false"
+            resValue "string", "app_name", "Wulkanowy DEV " + defaultConfig.versionCode
             applicationIdSuffix ".dev"
             versionNameSuffix "-dev"
-            testCoverageEnabled = true
-            ext.enableCrashlytics = project.hasProperty("enableCrashlytics")
-            multiDexKeepProguard file('proguard-multidex-rules.pro')
+            testCoverageEnabled = project.hasProperty('coverage')
+            ext.enableCrashlytics = project.hasProperty("enableFirebase")
         }
     }
 
     flavorDimensions "platform"
 
     productFlavors {
+        hms {
+            dimension "platform"
+            minSdkVersion 19
+            manifestPlaceholders = [
+                    install_channel: "AppGallery"
+            ]
+        }
+
         play {
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "Google Play"
+            ]
         }
 
         fdroid {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "false"
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "F-Droid"
+            ]
         }
     }
 
+    buildFeatures {
+        viewBinding = true
+    }
+
     lintOptions {
         disable 'HardwareIds'
     }
 
+    testOptions.unitTests {
+        includeAndroidResources = true
+    }
+
     compileOptions {
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
     kotlinOptions {
+        useIR = true
         jvmTarget = "1.8"
+        freeCompilerArgs += ["-Xopt-in=kotlin.RequiresOptIn", "-Xjvm-default=all"]
     }
 
     packagingOptions {
         exclude 'META-INF/library_release.kotlin_module'
         exclude 'META-INF/library-core_release.kotlin_module'
     }
-}
 
-androidExtensions {
-    experimental = true
+    aboutLibraries {
+        configPath = "app/src/main/res/raw"
+    }
 }
 
 play {
     serviceAccountEmail = System.getenv("PLAY_SERVICE_ACCOUNT_EMAIL") ?: "jan@fakelog.cf"
     serviceAccountCredentials = file('key.p12')
     defaultToAppBundles = false
-    track = 'alpha'
+    track = 'production'
+    updatePriority = 3
 }
 
 ext {
-    work_manager = "2.2.0"
-    room = "2.2.0-beta01"
-    dagger = "2.24"
-    chucker = "2.0.4"
-    mockk = "1.9.2"
-    mockito_core = "3.0.6"
-}
-
-configurations.all {
-    resolutionStrategy.force "androidx.constraintlayout:constraintlayout:1.1.3"
-    resolutionStrategy.force "com.google.android.material:material:1.1.0-alpha07"
+    work_manager = "2.5.0"
+    work_hilt = "1.0.0-beta01"
+    room = "2.3.0-rc01"
+    chucker = "3.4.0"
+    mockk = "1.11.0"
+    moshi = "1.11.0"
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:api:0.10.1"
+    implementation "io.github.wulkanowy:sdk:1.1.3"
+
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "androidx.core:core-ktx:1.1.0"
-    implementation "androidx.activity:activity-ktx:1.0.0"
-    implementation "androidx.appcompat:appcompat:1.1.0"
-    implementation "androidx.appcompat:appcompat-resources:1.1.0"
-    implementation "androidx.fragment:fragment-ktx:1.1.0"
-    implementation "androidx.annotation:annotation:1.1.0"
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.3'
+
+    implementation "androidx.core:core-ktx:1.3.2"
+    implementation "androidx.activity:activity-ktx:1.2.2"
+    implementation "androidx.appcompat:appcompat:1.2.0"
+    implementation "androidx.appcompat:appcompat-resources:1.2.0"
+    implementation "androidx.fragment:fragment-ktx:1.3.2"
+    implementation "androidx.annotation:annotation:1.2.0"
     implementation "androidx.multidex:multidex:2.0.1"
 
-    implementation "androidx.preference:preference-ktx:1.1.0"
-    implementation "androidx.recyclerview:recyclerview:1.1.0-beta03"
+    implementation "androidx.preference:preference-ktx:1.1.1"
+    implementation "androidx.recyclerview:recyclerview:1.1.0"
     implementation "androidx.viewpager:viewpager:1.0.0"
-    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.0.0"
-    implementation "androidx.constraintlayout:constraintlayout:1.1.3"
-    implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0-beta01"
-    implementation "com.google.android.material:material:1.1.0-alpha07"
-    implementation "com.github.wulkanowy:material-chips-input:2.0.1"
+    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
+    implementation "androidx.constraintlayout:constraintlayout:2.0.4"
+    implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
+    implementation "com.google.android.material:material:1.3.0"
+    implementation "com.github.wulkanowy:material-chips-input:2.2.0"
     implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
-    implementation "me.zhanghai.android.materialprogressbar:library:1.6.1"
+    implementation 'com.mikhaellopez:circularimageview:4.2.0'
 
     implementation "androidx.work:work-runtime-ktx:$work_manager"
-    implementation "androidx.work:work-rxjava2:$work_manager"
-    implementation "androidx.work:work-gcm:$work_manager"
+    playImplementation "androidx.work:work-gcm:$work_manager"
+
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.3.1"
 
     implementation "androidx.room:room-runtime:$room"
-    implementation "androidx.room:room-rxjava2:$room"
     implementation "androidx.room:room-ktx:$room"
     kapt "androidx.room:room-compiler:$room"
 
-    implementation "com.google.dagger:dagger-android-support:$dagger"
-    kapt "com.google.dagger:dagger-compiler:$dagger"
-    kapt "com.google.dagger:dagger-android-processor:$dagger"
-    implementation "com.squareup.inject:assisted-inject-annotations-dagger2:0.5.0"
-    kapt "com.squareup.inject:assisted-inject-processor-dagger2:0.5.0"
+    implementation "com.google.dagger:hilt-android:$hilt_version"
+    kapt "com.google.dagger:hilt-android-compiler:$hilt_version"
+    implementation "androidx.hilt:hilt-work:$work_hilt"
+    kapt "androidx.hilt:hilt-compiler:$work_hilt"
 
-    implementation "eu.davidea:flexible-adapter:5.1.0"
-    implementation "eu.davidea:flexible-adapter-ui:1.0.0"
     implementation "com.aurelhubert:ahbottomnavigation:2.3.4"
     implementation "com.ncapdevi:frag-nav:3.3.0"
+    implementation "com.github.YarikSOffice:lingver:1.3.0"
 
-    implementation "com.github.pwittchen:reactivenetwork-rx2:3.0.6"
-    implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
-    implementation "io.reactivex.rxjava2:rxjava:2.2.12"
-
-    implementation "com.google.code.gson:gson:2.8.5"
-    implementation "com.jakewharton.threetenabp:threetenabp:1.2.1"
+    implementation "com.squareup.moshi:moshi:$moshi"
+    implementation "com.squareup.moshi:moshi-adapters:$moshi"
+    kapt "com.squareup.moshi:moshi-kotlin-codegen:$moshi"
     implementation "com.jakewharton.timber:timber:4.7.1"
     implementation "at.favre.lib:slf4j-timber:1.0.1"
-    implementation "com.squareup.okhttp3:logging-interceptor:3.12.3"
-    implementation "com.mikepenz:aboutlibraries:7.0.3"
+    implementation "fr.bipi.treessence:treessence:0.3.2"
+    implementation "com.mikepenz:aboutlibraries-core:$about_libraries"
+    implementation 'com.wdullaer:materialdatetimepicker:4.2.3'
+    implementation "io.coil-kt:coil:1.1.1"
+    implementation "io.github.wulkanowy:AppKillerManager:3.0.0"
+    implementation 'me.xdrop:fuzzywuzzy:1.3.1'
 
-    playImplementation "com.google.firebase:firebase-core:17.2.0"
-    playImplementation "com.crashlytics.sdk.android:crashlytics:2.10.1"
+    playImplementation platform('com.google.firebase:firebase-bom:26.7.0')
+    playImplementation 'com.google.firebase:firebase-analytics-ktx'
+    playImplementation 'com.google.firebase:firebase-messaging:'
+    playImplementation 'com.google.firebase:firebase-crashlytics:'
+    playImplementation 'com.google.android.play:core-ktx:1.8.1'
 
-    releaseImplementation "fr.o80.chucker:library-no-op:$chucker"
+    hmsImplementation 'com.huawei.hms:hianalytics:5.2.0.301'
+    hmsImplementation 'com.huawei.agconnect:agconnect-crash:1.5.1.200'
 
-    debugImplementation "fr.o80.chucker:library:$chucker"
+    releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
+
+    debugImplementation "com.github.ChuckerTeam.Chucker:library:$chucker"
     debugImplementation "com.amitshekhar.android:debug-db:1.0.6"
 
-    testImplementation "junit:junit:4.12"
+    testImplementation "junit:junit:4.13.2"
     testImplementation "io.mockk:mockk:$mockk"
-    testImplementation "org.threeten:threetenbp:1.4.0"
-    testImplementation "org.mockito:mockito-core:$mockito_core"
-    testImplementation("org.mockito:mockito-inline:3.0.6") {
-        exclude group: "org.mockito", module: "mockito-core"
-    }
+    testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.4.2'
+    testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
 
-    androidTestImplementation "androidx.test:core:1.2.0"
-    androidTestImplementation "androidx.test:runner:1.2.0"
-    androidTestImplementation "androidx.test.ext:junit:1.1.1"
+    testImplementation 'org.robolectric:robolectric:4.5.1'
+    testImplementation "androidx.test:runner:1.3.0"
+    testImplementation "androidx.test.ext:junit:1.1.2"
+    testImplementation "androidx.test:core:1.3.0"
+    testImplementation "androidx.room:room-testing:$room"
+    testImplementation "com.google.dagger:hilt-android-testing:$hilt_version"
+    kaptTest "com.google.dagger:hilt-android-compiler:$hilt_version"
+
+    androidTestImplementation "androidx.test:core:1.3.0"
+    androidTestImplementation "androidx.test:runner:1.3.0"
+    androidTestImplementation "androidx.test.ext:junit:1.1.2"
     androidTestImplementation "io.mockk:mockk-android:$mockk"
-    androidTestImplementation "androidx.room:room-testing:$room"
     androidTestImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-    androidTestImplementation "org.mockito:mockito-core:$mockito_core"
-    androidTestImplementation("org.mockito:mockito-android:3.0.6") {
-        exclude group: 'org.mockito', module: 'mockito-core'
-    }
 }
-
-apply plugin: 'com.google.gms.google-services'
diff --git a/app/jacoco.gradle b/app/jacoco.gradle
index 48a8fed96..94469fbc0 100644
--- a/app/jacoco.gradle
+++ b/app/jacoco.gradle
@@ -1,12 +1,13 @@
 apply plugin: "jacoco"
 
 jacoco {
-    toolVersion "0.8.4"
+    toolVersion "0.8.5"
     reportsDir = file("$buildDir/reports")
 }
 
 tasks.withType(Test) {
     jacoco.includeNoLocationClasses = true
+    jacoco.excludes = ['jdk.internal.*']
 }
 
 task jacocoTestReport(type: JacocoReport) {
@@ -35,13 +36,13 @@ task jacocoTestReport(type: JacocoReport) {
             dir: "$buildDir/intermediates/classes/debug",
             excludes: excludes
     ) + fileTree(
-            dir: "$buildDir/tmp/kotlin-classes/playDebug",
+            dir: "$buildDir/tmp/kotlin-classes/fdroidDebug",
             excludes: excludes
     ))
 
     sourceDirectories.setFrom(files([
             "src/main/java",
-            "src/play/java"
+            "src/fdroid/java"
     ]))
     executionData.setFrom(fileTree(
             dir: project.projectDir,
diff --git a/app/proguard-multidex-rules.pro b/app/proguard-multidex-rules.pro
deleted file mode 100644
index 9ee1737f4..000000000
--- a/app/proguard-multidex-rules.pro
+++ /dev/null
@@ -1,3 +0,0 @@
--keep class android.support.test.internal** { *; }
--keep class org.junit.** { *; }
--keep public class io.github.wulkanowy** { *; }
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 77339fe9e..fd9482613 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,40 +1,21 @@
-# Optimizations
--optimizationpasses 5
--optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
--dontusemixedcaseclassnames
--dontskipnonpubliclibraryclasses
--dontskipnonpubliclibraryclassmembers
--dontpreverify
+# General
 -dontobfuscate
--allowaccessmodification
--repackageclasses ''
--verbose
 
 
-#Keep all wulkanowy files
+#Config for wulkanowy
 -keep class io.github.wulkanowy.** {*;}
 
 
-#Config for anallitycs
--keepattributes *Annotation*
+#Config for firebase crashlitycs
 -keepattributes SourceFile,LineNumberTable
--keep class com.crashlytics.** {*;}
 -keep public class * extends java.lang.Exception
--dontwarn com.crashlytics.**
 
 
-#Config for OkHttp
+#Config for Okio and OkHttp
+-dontwarn javax.annotation.**
 -keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
 -dontwarn org.codehaus.mojo.animal_sniffer.*
 -dontwarn okhttp3.internal.platform.ConscryptPlatform
--dontwarn javax.annotation.**
-
-
-#Config for ReactiveNetwork
--dontwarn com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
--dontwarn io.reactivex.functions.Function
--dontwarn rx.internal.util.**
--dontwarn sun.misc.Unsafe
 
 
 #Config for MPAndroidChart
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/16.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/16.json
new file mode 100644
index 000000000..34df45ebe
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/16.json
@@ -0,0 +1,1480 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 16,
+    "identityHash": "1eccdcb09adc922713ef67f298ec77a7",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `endpoint` TEXT NOT NULL, `loginType` TEXT NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "endpoint",
+            "columnName": "endpoint",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "loginType",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` INTEGER NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `content` TEXT, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '1eccdcb09adc922713ef67f298ec77a7')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/17.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/17.json
new file mode 100644
index 000000000..8b777b7bf
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/17.json
@@ -0,0 +1,1530 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 17,
+    "identityHash": "8bcb3c86f1ddbdf7e20cfa8050525b95",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `endpoint` TEXT NOT NULL, `loginType` TEXT NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "endpoint",
+            "columnName": "endpoint",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "loginType",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` INTEGER NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `content` TEXT, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '8bcb3c86f1ddbdf7e20cfa8050525b95')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/18.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/18.json
new file mode 100644
index 000000000..4f7497fe0
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/18.json
@@ -0,0 +1,1592 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 18,
+    "identityHash": "73b1dcfe0cf84170ba102b2818dd0191",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `endpoint` TEXT NOT NULL, `loginType` TEXT NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "endpoint",
+            "columnName": "endpoint",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "loginType",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` INTEGER NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `content` TEXT, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '73b1dcfe0cf84170ba102b2818dd0191')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/19.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/19.json
new file mode 100644
index 000000000..1e4593bb3
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/19.json
@@ -0,0 +1,1628 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 19,
+    "identityHash": "294f40cebf8314f9776208827240e65f",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '294f40cebf8314f9776208827240e65f')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/20.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/20.json
new file mode 100644
index 000000000..925d787aa
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/20.json
@@ -0,0 +1,1634 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 20,
+    "identityHash": "37a216a7afcea922b66001ca5ed6cf74",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '37a216a7afcea922b66001ca5ed6cf74')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/21.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/21.json
new file mode 100644
index 000000000..dfad69f5d
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/21.json
@@ -0,0 +1,1652 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 21,
+    "identityHash": "f905d8a3ff4718d30ae7413a5a717b1f",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'f905d8a3ff4718d30ae7413a5a717b1f')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/22.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/22.json
new file mode 100644
index 000000000..1eb8bc19c
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/22.json
@@ -0,0 +1,1658 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 22,
+    "identityHash": "798956844fdb3f64073921184e3acbfd",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `category` TEXT NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '798956844fdb3f64073921184e3acbfd')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/23.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/23.json
new file mode 100644
index 000000000..f75a72acf
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/23.json
@@ -0,0 +1,1682 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 23,
+    "identityHash": "f2505bf0c76c3ae4567856536d790909",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'f2505bf0c76c3ae4567856536d790909')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/24.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/24.json
new file mode 100644
index 000000000..17ae7d798
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/24.json
@@ -0,0 +1,1732 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 24,
+    "identityHash": "9bbf60310b56a855839164e2aae031f9",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '9bbf60310b56a855839164e2aae031f9')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/25.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/25.json
new file mode 100644
index 000000000..474824df6
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/25.json
@@ -0,0 +1,1744 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 25,
+    "identityHash": "d101f5a26a024f62e6fee161e421b882",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'd101f5a26a024f62e6fee161e421b882')"
+    ]
+  }
+}
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/26.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/26.json
new file mode 100644
index 000000000..21005f9c6
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/26.json
@@ -0,0 +1,1768 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 26,
+    "identityHash": "43f8777ffe95a5a2850ee981db3dbe2e",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '43f8777ffe95a5a2850ee981db3dbe2e')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/27.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/27.json
new file mode 100644
index 000000000..46b777513
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/27.json
@@ -0,0 +1,1774 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 27,
+    "identityHash": "b24d2d9662e26dd31f2eea78a297558c",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'b24d2d9662e26dd31f2eea78a297558c')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/28.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/28.json
new file mode 100644
index 000000000..c7c4c0331
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/28.json
@@ -0,0 +1,1842 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 28,
+    "identityHash": "3a449a55ea73fbfbb7973f1f3f834e10",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `grade` INTEGER NOT NULL, `amount` INTEGER NOT NULL, `is_semester` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "grade",
+            "columnName": "grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amount",
+            "columnName": "amount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semester",
+            "columnName": "is_semester",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '3a449a55ea73fbfbb7973f1f3f834e10')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/29.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/29.json
new file mode 100644
index 000000000..3e863c578
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/29.json
@@ -0,0 +1,1898 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 29,
+    "identityHash": "30e4647c7dd84a6ac9b2f9f3ef7d3264",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '30e4647c7dd84a6ac9b2f9f3ef7d3264')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/30.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/30.json
new file mode 100644
index 000000000..309f4ac09
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/30.json
@@ -0,0 +1,1954 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 30,
+    "identityHash": "891980e378373d0a17bd341f9b07cc74",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '891980e378373d0a17bd341f9b07cc74')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/31.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/31.json
new file mode 100644
index 000000000..4935a9018
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/31.json
@@ -0,0 +1,2136 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 31,
+    "identityHash": "d642512ffa5fe81ae9308c9c55612539",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "StudentInfo",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `full_name` TEXT NOT NULL, `first_name` TEXT NOT NULL, `second_name` TEXT NOT NULL, `surname` TEXT NOT NULL, `birth_date` INTEGER NOT NULL, `birth_place` TEXT NOT NULL, `gender` TEXT NOT NULL, `has_polish_citizenship` INTEGER NOT NULL, `family_name` TEXT NOT NULL, `parents_names` TEXT NOT NULL, `address` TEXT NOT NULL, `registered_address` TEXT NOT NULL, `correspondence_address` TEXT NOT NULL, `phone_number` TEXT NOT NULL, `cell_phone_number` TEXT NOT NULL, `email` TEXT NOT NULL, `first_guardian_full_name` TEXT NOT NULL, `first_guardian_kinship` TEXT NOT NULL, `first_guardian_address` TEXT NOT NULL, `first_guardian_phones` TEXT NOT NULL, `first_guardian_email` TEXT NOT NULL, `second_guardian_full_name` TEXT NOT NULL, `second_guardian_kinship` TEXT NOT NULL, `second_guardian_address` TEXT NOT NULL, `second_guardian_phones` TEXT NOT NULL, `second_guardian_email` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fullName",
+            "columnName": "full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "first_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondName",
+            "columnName": "second_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "surname",
+            "columnName": "surname",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birth_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthPlace",
+            "columnName": "birth_place",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gender",
+            "columnName": "gender",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasPolishCitizenship",
+            "columnName": "has_polish_citizenship",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "familyName",
+            "columnName": "family_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "parentsNames",
+            "columnName": "parents_names",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registeredAddress",
+            "columnName": "registered_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "correspondenceAddress",
+            "columnName": "correspondence_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "phoneNumber",
+            "columnName": "phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "cellPhoneNumber",
+            "columnName": "cell_phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.fullName",
+            "columnName": "first_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.kinship",
+            "columnName": "first_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.address",
+            "columnName": "first_guardian_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.phones",
+            "columnName": "first_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.email",
+            "columnName": "first_guardian_email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.fullName",
+            "columnName": "second_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.kinship",
+            "columnName": "second_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.address",
+            "columnName": "second_guardian_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.phones",
+            "columnName": "second_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.email",
+            "columnName": "second_guardian_email",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'd642512ffa5fe81ae9308c9c55612539')"
+    ]
+  }
+}
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/32.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/32.json
new file mode 100644
index 000000000..3621be48a
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/32.json
@@ -0,0 +1,2142 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 32,
+    "identityHash": "9531cdc8b3f0e62db5ab6ebe66837a28",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `nick` TEXT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nick",
+            "columnName": "nick",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "StudentInfo",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `full_name` TEXT NOT NULL, `first_name` TEXT NOT NULL, `second_name` TEXT NOT NULL, `surname` TEXT NOT NULL, `birth_date` INTEGER NOT NULL, `birth_place` TEXT NOT NULL, `gender` TEXT NOT NULL, `has_polish_citizenship` INTEGER NOT NULL, `family_name` TEXT NOT NULL, `parents_names` TEXT NOT NULL, `address` TEXT NOT NULL, `registered_address` TEXT NOT NULL, `correspondence_address` TEXT NOT NULL, `phone_number` TEXT NOT NULL, `cell_phone_number` TEXT NOT NULL, `email` TEXT NOT NULL, `first_guardian_full_name` TEXT NOT NULL, `first_guardian_kinship` TEXT NOT NULL, `first_guardian_address` TEXT NOT NULL, `first_guardian_phones` TEXT NOT NULL, `first_guardian_email` TEXT NOT NULL, `second_guardian_full_name` TEXT NOT NULL, `second_guardian_kinship` TEXT NOT NULL, `second_guardian_address` TEXT NOT NULL, `second_guardian_phones` TEXT NOT NULL, `second_guardian_email` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fullName",
+            "columnName": "full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "first_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondName",
+            "columnName": "second_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "surname",
+            "columnName": "surname",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birth_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthPlace",
+            "columnName": "birth_place",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gender",
+            "columnName": "gender",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasPolishCitizenship",
+            "columnName": "has_polish_citizenship",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "familyName",
+            "columnName": "family_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "parentsNames",
+            "columnName": "parents_names",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registeredAddress",
+            "columnName": "registered_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "correspondenceAddress",
+            "columnName": "correspondence_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "phoneNumber",
+            "columnName": "phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "cellPhoneNumber",
+            "columnName": "cell_phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.fullName",
+            "columnName": "first_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.kinship",
+            "columnName": "first_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.address",
+            "columnName": "first_guardian_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.phones",
+            "columnName": "first_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.email",
+            "columnName": "first_guardian_email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.fullName",
+            "columnName": "second_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.kinship",
+            "columnName": "second_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.address",
+            "columnName": "second_guardian_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.phones",
+            "columnName": "second_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondGuardian.email",
+            "columnName": "second_guardian_email",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '9531cdc8b3f0e62db5ab6ebe66837a28')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/33.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/33.json
new file mode 100644
index 000000000..255c196e5
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/33.json
@@ -0,0 +1,2142 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 33,
+    "identityHash": "c024cc4e19e009a03303e2bfe5c34b48",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `nick` TEXT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nick",
+            "columnName": "nick",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "StudentInfo",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `full_name` TEXT NOT NULL, `first_name` TEXT NOT NULL, `second_name` TEXT NOT NULL, `surname` TEXT NOT NULL, `birth_date` INTEGER NOT NULL, `birth_place` TEXT NOT NULL, `gender` TEXT NOT NULL, `has_polish_citizenship` INTEGER NOT NULL, `family_name` TEXT NOT NULL, `parents_names` TEXT NOT NULL, `address` TEXT NOT NULL, `registered_address` TEXT NOT NULL, `correspondence_address` TEXT NOT NULL, `phone_number` TEXT NOT NULL, `cell_phone_number` TEXT NOT NULL, `email` TEXT NOT NULL, `first_guardian_full_name` TEXT, `first_guardian_kinship` TEXT, `first_guardian_address` TEXT, `first_guardian_phones` TEXT, `first_guardian_email` TEXT, `second_guardian_full_name` TEXT, `second_guardian_kinship` TEXT, `second_guardian_address` TEXT, `second_guardian_phones` TEXT, `second_guardian_email` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fullName",
+            "columnName": "full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "first_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondName",
+            "columnName": "second_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "surname",
+            "columnName": "surname",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birth_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthPlace",
+            "columnName": "birth_place",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gender",
+            "columnName": "gender",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasPolishCitizenship",
+            "columnName": "has_polish_citizenship",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "familyName",
+            "columnName": "family_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "parentsNames",
+            "columnName": "parents_names",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registeredAddress",
+            "columnName": "registered_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "correspondenceAddress",
+            "columnName": "correspondence_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "phoneNumber",
+            "columnName": "phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "cellPhoneNumber",
+            "columnName": "cell_phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.fullName",
+            "columnName": "first_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.kinship",
+            "columnName": "first_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.address",
+            "columnName": "first_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.phones",
+            "columnName": "first_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.email",
+            "columnName": "first_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.fullName",
+            "columnName": "second_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.kinship",
+            "columnName": "second_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.address",
+            "columnName": "second_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.phones",
+            "columnName": "second_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.email",
+            "columnName": "second_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'c024cc4e19e009a03303e2bfe5c34b48')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/34.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/34.json
new file mode 100644
index 000000000..6a56ac64e
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/34.json
@@ -0,0 +1,2142 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 34,
+    "identityHash": "c024cc4e19e009a03303e2bfe5c34b48",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `nick` TEXT NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nick",
+            "columnName": "nick",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "StudentInfo",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `full_name` TEXT NOT NULL, `first_name` TEXT NOT NULL, `second_name` TEXT NOT NULL, `surname` TEXT NOT NULL, `birth_date` INTEGER NOT NULL, `birth_place` TEXT NOT NULL, `gender` TEXT NOT NULL, `has_polish_citizenship` INTEGER NOT NULL, `family_name` TEXT NOT NULL, `parents_names` TEXT NOT NULL, `address` TEXT NOT NULL, `registered_address` TEXT NOT NULL, `correspondence_address` TEXT NOT NULL, `phone_number` TEXT NOT NULL, `cell_phone_number` TEXT NOT NULL, `email` TEXT NOT NULL, `first_guardian_full_name` TEXT, `first_guardian_kinship` TEXT, `first_guardian_address` TEXT, `first_guardian_phones` TEXT, `first_guardian_email` TEXT, `second_guardian_full_name` TEXT, `second_guardian_kinship` TEXT, `second_guardian_address` TEXT, `second_guardian_phones` TEXT, `second_guardian_email` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fullName",
+            "columnName": "full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "first_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondName",
+            "columnName": "second_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "surname",
+            "columnName": "surname",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birth_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthPlace",
+            "columnName": "birth_place",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gender",
+            "columnName": "gender",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasPolishCitizenship",
+            "columnName": "has_polish_citizenship",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "familyName",
+            "columnName": "family_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "parentsNames",
+            "columnName": "parents_names",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registeredAddress",
+            "columnName": "registered_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "correspondenceAddress",
+            "columnName": "correspondence_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "phoneNumber",
+            "columnName": "phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "cellPhoneNumber",
+            "columnName": "cell_phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.fullName",
+            "columnName": "first_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.kinship",
+            "columnName": "first_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.address",
+            "columnName": "first_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.phones",
+            "columnName": "first_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.email",
+            "columnName": "first_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.fullName",
+            "columnName": "second_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.kinship",
+            "columnName": "second_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.address",
+            "columnName": "second_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.phones",
+            "columnName": "second_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.email",
+            "columnName": "second_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'c024cc4e19e009a03303e2bfe5c34b48')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/35.json b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/35.json
new file mode 100644
index 000000000..f166b2d72
--- /dev/null
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/35.json
@@ -0,0 +1,2148 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 35,
+    "identityHash": "15fb91ec180fe60bf400cfa729c3418d",
+    "entities": [
+      {
+        "tableName": "Students",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `nick` TEXT NOT NULL, `avatar_color` INTEGER NOT NULL, `scrapper_base_url` TEXT NOT NULL, `mobile_base_url` TEXT NOT NULL, `login_type` TEXT NOT NULL, `login_mode` TEXT NOT NULL, `certificate_key` TEXT NOT NULL, `private_key` TEXT NOT NULL, `is_parent` INTEGER NOT NULL, `email` TEXT NOT NULL, `password` TEXT NOT NULL, `symbol` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `user_login_id` INTEGER NOT NULL, `user_name` TEXT NOT NULL, `student_name` TEXT NOT NULL, `school_id` TEXT NOT NULL, `school_short` TEXT NOT NULL, `school_name` TEXT NOT NULL, `class_name` TEXT NOT NULL, `class_id` INTEGER NOT NULL, `is_current` INTEGER NOT NULL, `registration_date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "nick",
+            "columnName": "nick",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "avatarColor",
+            "columnName": "avatar_color",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "scrapperBaseUrl",
+            "columnName": "scrapper_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mobileBaseUrl",
+            "columnName": "mobile_base_url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginType",
+            "columnName": "login_type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginMode",
+            "columnName": "login_mode",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "certificateKey",
+            "columnName": "certificate_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "privateKey",
+            "columnName": "private_key",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isParent",
+            "columnName": "is_parent",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "password",
+            "columnName": "password",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "symbol",
+            "columnName": "symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "user_login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userName",
+            "columnName": "user_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentName",
+            "columnName": "student_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolSymbol",
+            "columnName": "school_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolShortName",
+            "columnName": "school_short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolName",
+            "columnName": "school_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "className",
+            "columnName": "class_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isCurrent",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registrationDate",
+            "columnName": "registration_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Students_email_symbol_student_id_school_id_class_id",
+            "unique": true,
+            "columnNames": [
+              "email",
+              "symbol",
+              "student_id",
+              "school_id",
+              "class_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Students_email_symbol_student_id_school_id_class_id` ON `${TABLE_NAME}` (`email`, `symbol`, `student_id`, `school_id`, `class_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Semesters",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_current` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `diary_name` TEXT NOT NULL, `school_year` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `semester_name` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "current",
+            "columnName": "is_current",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryName",
+            "columnName": "diary_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "schoolYear",
+            "columnName": "school_year",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterName",
+            "columnName": "semester_name",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_Semesters_student_id_diary_id_semester_id",
+            "unique": true,
+            "columnNames": [
+              "student_id",
+              "diary_id",
+              "semester_id"
+            ],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_Semesters_student_id_diary_id_semester_id` ON `${TABLE_NAME}` (`student_id`, `diary_id`, `semester_id`)"
+          }
+        ],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Exams",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `group` TEXT NOT NULL, `type` TEXT NOT NULL, `description` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Timetable",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `number` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `subjectOld` TEXT NOT NULL, `group` TEXT NOT NULL, `room` TEXT NOT NULL, `roomOld` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacherOld` TEXT NOT NULL, `info` TEXT NOT NULL, `student_plan` INTEGER NOT NULL, `changes` INTEGER NOT NULL, `canceled` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectOld",
+            "columnName": "subjectOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "group",
+            "columnName": "group",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "room",
+            "columnName": "room",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roomOld",
+            "columnName": "roomOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherOld",
+            "columnName": "teacherOld",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "info",
+            "columnName": "info",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isStudentPlan",
+            "columnName": "student_plan",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "changes",
+            "columnName": "changes",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canceled",
+            "columnName": "canceled",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Attendance",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `time_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `exemption` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `excused` INTEGER NOT NULL, `deleted` INTEGER NOT NULL, `excusable` INTEGER NOT NULL, `excuse_status` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "timeId",
+            "columnName": "time_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excused",
+            "columnName": "excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deleted",
+            "columnName": "deleted",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excusable",
+            "columnName": "excusable",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "excuseStatus",
+            "columnName": "excuse_status",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "AttendanceSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `subject_id` INTEGER NOT NULL, `month` INTEGER NOT NULL, `presence` INTEGER NOT NULL, `absence` INTEGER NOT NULL, `absence_excused` INTEGER NOT NULL, `absence_for_school_reasons` INTEGER NOT NULL, `lateness` INTEGER NOT NULL, `lateness_excused` INTEGER NOT NULL, `exemption` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subjectId",
+            "columnName": "subject_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "month",
+            "columnName": "month",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presence",
+            "columnName": "presence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceExcused",
+            "columnName": "absence_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absenceForSchoolReasons",
+            "columnName": "absence_for_school_reasons",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lateness",
+            "columnName": "lateness",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "latenessExcused",
+            "columnName": "lateness_excused",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "exemption",
+            "columnName": "exemption",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Grades",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `entry` TEXT NOT NULL, `value` REAL NOT NULL, `modifier` REAL NOT NULL, `comment` TEXT NOT NULL, `color` TEXT NOT NULL, `grade_symbol` TEXT NOT NULL, `description` TEXT NOT NULL, `weight` TEXT NOT NULL, `weightValue` REAL NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entry",
+            "columnName": "entry",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "value",
+            "columnName": "value",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "modifier",
+            "columnName": "modifier",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "comment",
+            "columnName": "comment",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "color",
+            "columnName": "color",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gradeSymbol",
+            "columnName": "grade_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weight",
+            "columnName": "weight",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "weightValue",
+            "columnName": "weightValue",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesSummary",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_predicted_grade_notified` INTEGER NOT NULL, `is_final_grade_notified` INTEGER NOT NULL, `predicted_grade_last_change` INTEGER NOT NULL, `final_grade_last_change` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `position` INTEGER NOT NULL, `subject` TEXT NOT NULL, `predicted_grade` TEXT NOT NULL, `final_grade` TEXT NOT NULL, `proposed_points` TEXT NOT NULL, `final_points` TEXT NOT NULL, `points_sum` TEXT NOT NULL, `average` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPredictedGradeNotified",
+            "columnName": "is_predicted_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isFinalGradeNotified",
+            "columnName": "is_final_grade_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGradeLastChange",
+            "columnName": "predicted_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGradeLastChange",
+            "columnName": "final_grade_last_change",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "predictedGrade",
+            "columnName": "predicted_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalGrade",
+            "columnName": "final_grade",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "proposedPoints",
+            "columnName": "proposed_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "finalPoints",
+            "columnName": "final_points",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pointsSum",
+            "columnName": "points_sum",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "average",
+            "columnName": "average",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradePartialStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `class_average` TEXT NOT NULL, `student_average` TEXT NOT NULL, `class_amounts` TEXT NOT NULL, `student_amounts` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAverage",
+            "columnName": "class_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAverage",
+            "columnName": "student_average",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classAmounts",
+            "columnName": "class_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentAmounts",
+            "columnName": "student_amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradesPointsStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `others` REAL NOT NULL, `student` REAL NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "others",
+            "columnName": "others",
+            "affinity": "REAL",
+            "notNull": true
+          },
+          {
+            "fieldPath": "student",
+            "columnName": "student",
+            "affinity": "REAL",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "GradeSemesterStatistics",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `amounts` TEXT NOT NULL, `student_grade` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "amounts",
+            "columnName": "amounts",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentGrade",
+            "columnName": "student_grade",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `unread_by` INTEGER NOT NULL, `read_by` INTEGER NOT NULL, `content` TEXT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `recipient_name` TEXT NOT NULL, `subject` TEXT NOT NULL, `date` INTEGER NOT NULL, `folder_id` INTEGER NOT NULL, `unread` INTEGER NOT NULL, `removed` INTEGER NOT NULL, `has_attachments` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unreadBy",
+            "columnName": "unread_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "readBy",
+            "columnName": "read_by",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "sender",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipient",
+            "columnName": "recipient_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "folderId",
+            "columnName": "folder_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unread",
+            "columnName": "unread",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "removed",
+            "columnName": "removed",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasAttachments",
+            "columnName": "has_attachments",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MessageAttachments",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`real_id` INTEGER NOT NULL, `message_id` INTEGER NOT NULL, `one_drive_id` TEXT NOT NULL, `url` TEXT NOT NULL, `filename` TEXT NOT NULL, PRIMARY KEY(`real_id`))",
+        "fields": [
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "messageId",
+            "columnName": "message_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "oneDriveId",
+            "columnName": "one_drive_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "url",
+            "columnName": "url",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "filename",
+            "columnName": "filename",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "real_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Notes",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_read` INTEGER NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `category` TEXT NOT NULL, `category_type` INTEGER NOT NULL, `is_points_show` INTEGER NOT NULL, `points` INTEGER NOT NULL, `content` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isRead",
+            "columnName": "is_read",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "category",
+            "columnName": "category",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "categoryType",
+            "columnName": "category_type",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isPointsShow",
+            "columnName": "is_points_show",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "points",
+            "columnName": "points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Homework",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_done` INTEGER NOT NULL, `semester_id` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `entry_date` INTEGER NOT NULL, `subject` TEXT NOT NULL, `content` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `attachments` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isDone",
+            "columnName": "is_done",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "semesterId",
+            "columnName": "semester_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "entryDate",
+            "columnName": "entry_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "content",
+            "columnName": "content",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Subjects",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "LuckyNumbers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `is_notified` INTEGER NOT NULL, `student_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `lucky_number` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isNotified",
+            "columnName": "is_notified",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "luckyNumber",
+            "columnName": "lucky_number",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "CompletedLesson",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `date` INTEGER NOT NULL, `number` INTEGER NOT NULL, `subject` TEXT NOT NULL, `topic` TEXT NOT NULL, `teacher` TEXT NOT NULL, `teacher_symbol` TEXT NOT NULL, `substitution` TEXT NOT NULL, `absence` TEXT NOT NULL, `resources` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "number",
+            "columnName": "number",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "topic",
+            "columnName": "topic",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacher",
+            "columnName": "teacher",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "teacherSymbol",
+            "columnName": "teacher_symbol",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "substitution",
+            "columnName": "substitution",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "absence",
+            "columnName": "absence",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "resources",
+            "columnName": "resources",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "ReportingUnits",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` INTEGER NOT NULL, `short` TEXT NOT NULL, `sender_id` INTEGER NOT NULL, `sender_name` TEXT NOT NULL, `roles` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "real_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderId",
+            "columnName": "sender_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "senderName",
+            "columnName": "sender_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "roles",
+            "columnName": "roles",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Recipients",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `real_id` TEXT NOT NULL, `name` TEXT NOT NULL, `real_name` TEXT NOT NULL, `login_id` INTEGER NOT NULL, `unit_id` INTEGER NOT NULL, `role` INTEGER NOT NULL, `hash` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realId",
+            "columnName": "real_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "realName",
+            "columnName": "real_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loginId",
+            "columnName": "login_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "unitId",
+            "columnName": "unit_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "role",
+            "columnName": "role",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hash",
+            "columnName": "hash",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "MobileDevices",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `device_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "userLoginId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "deviceId",
+            "columnName": "device_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Teachers",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `subject` TEXT NOT NULL, `name` TEXT NOT NULL, `short_name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "shortName",
+            "columnName": "short_name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "School",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `class_id` INTEGER NOT NULL, `name` TEXT NOT NULL, `address` TEXT NOT NULL, `contact` TEXT NOT NULL, `headmaster` TEXT NOT NULL, `pedagogue` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "classId",
+            "columnName": "class_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "contact",
+            "columnName": "contact",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "headmaster",
+            "columnName": "headmaster",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pedagogue",
+            "columnName": "pedagogue",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Conferences",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `title` TEXT NOT NULL, `subject` TEXT NOT NULL, `agenda` TEXT NOT NULL, `present_on_conference` TEXT NOT NULL, `conference_id` INTEGER NOT NULL, `date` INTEGER NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "agenda",
+            "columnName": "agenda",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "presentOnConference",
+            "columnName": "present_on_conference",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "conferenceId",
+            "columnName": "conference_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "TimetableAdditional",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `diary_id` INTEGER NOT NULL, `start` INTEGER NOT NULL, `end` INTEGER NOT NULL, `date` INTEGER NOT NULL, `subject` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "diaryId",
+            "columnName": "diary_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "subject",
+            "columnName": "subject",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "StudentInfo",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `student_id` INTEGER NOT NULL, `full_name` TEXT NOT NULL, `first_name` TEXT NOT NULL, `second_name` TEXT NOT NULL, `surname` TEXT NOT NULL, `birth_date` INTEGER NOT NULL, `birth_place` TEXT NOT NULL, `gender` TEXT NOT NULL, `has_polish_citizenship` INTEGER NOT NULL, `family_name` TEXT NOT NULL, `parents_names` TEXT NOT NULL, `address` TEXT NOT NULL, `registered_address` TEXT NOT NULL, `correspondence_address` TEXT NOT NULL, `phone_number` TEXT NOT NULL, `cell_phone_number` TEXT NOT NULL, `email` TEXT NOT NULL, `first_guardian_full_name` TEXT, `first_guardian_kinship` TEXT, `first_guardian_address` TEXT, `first_guardian_phones` TEXT, `first_guardian_email` TEXT, `second_guardian_full_name` TEXT, `second_guardian_kinship` TEXT, `second_guardian_address` TEXT, `second_guardian_phones` TEXT, `second_guardian_email` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "studentId",
+            "columnName": "student_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fullName",
+            "columnName": "full_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "first_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "secondName",
+            "columnName": "second_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "surname",
+            "columnName": "surname",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthDate",
+            "columnName": "birth_date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "birthPlace",
+            "columnName": "birth_place",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "gender",
+            "columnName": "gender",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "hasPolishCitizenship",
+            "columnName": "has_polish_citizenship",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "familyName",
+            "columnName": "family_name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "parentsNames",
+            "columnName": "parents_names",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "address",
+            "columnName": "address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "registeredAddress",
+            "columnName": "registered_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "correspondenceAddress",
+            "columnName": "correspondence_address",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "phoneNumber",
+            "columnName": "phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "cellPhoneNumber",
+            "columnName": "cell_phone_number",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "email",
+            "columnName": "email",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstGuardian.fullName",
+            "columnName": "first_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.kinship",
+            "columnName": "first_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.address",
+            "columnName": "first_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.phones",
+            "columnName": "first_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "firstGuardian.email",
+            "columnName": "first_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.fullName",
+            "columnName": "second_guardian_full_name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.kinship",
+            "columnName": "second_guardian_kinship",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.address",
+            "columnName": "second_guardian_address",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.phones",
+            "columnName": "second_guardian_phones",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "secondGuardian.email",
+            "columnName": "second_guardian_email",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '15fb91ec180fe60bf400cfa729c3418d')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/TestInternetObservingStrategy.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/TestInternetObservingStrategy.kt
deleted file mode 100644
index 7dc93c4a4..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/TestInternetObservingStrategy.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package io.github.wulkanowy.data.repositories
-
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingStrategy
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.error.ErrorHandler
-import io.reactivex.Observable
-import io.reactivex.Single
-
-class TestInternetObservingStrategy : InternetObservingStrategy {
-
-    override fun checkInternetConnectivity(host: String?, port: Int, timeoutInMs: Int, httpResponse: Int, errorHandler: ErrorHandler?): Single<Boolean> {
-        return Single.just(true)
-    }
-
-    override fun observeInternetConnectivity(initialIntervalInMs: Int, intervalInMs: Int, host: String?, port: Int, timeoutInMs: Int, httpResponse: Int, errorHandler: ErrorHandler?): Observable<Boolean> {
-        return Observable.just(true)
-    }
-
-    override fun getDefaultPingHost() = "localhost"
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocalTest.kt
deleted file mode 100644
index 69502e742..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocalTest.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendance
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Attendance
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class AttendanceLocalTest {
-
-    private lateinit var attendanceLocal: AttendanceLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java).build()
-        attendanceLocal = AttendanceLocal(testDb.attendanceDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        attendanceLocal.saveAttendance(listOf(
-                Attendance(1, 2, LocalDate.of(2018, 9, 10), 0, "", "", false, false, false, false, false, false),
-                Attendance(1, 2, LocalDate.of(2018, 9, 14), 0, "", "", false, false, false, false, false, false),
-                Attendance(1, 2, LocalDate.of(2018, 9, 17), 0, "", "", false, false, false, false, false, false)
-        ))
-
-        val attendance = attendanceLocal
-            .getAttendance(Semester(1, 2, "", 1, 3, 2019, true, now(), now(), 1, 1),
-                        LocalDate.of(2018, 9, 10),
-                        LocalDate.of(2018, 9, 14)
-                )
-                .blockingGet()
-        assertEquals(2, attendance.size)
-        assertEquals(attendance[0].date, LocalDate.of(2018, 9, 10))
-        assertEquals(attendance[1].date, LocalDate.of(2018, 9, 14))
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocalTest.kt
deleted file mode 100644
index 356073e8e..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocalTest.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-package io.github.wulkanowy.data.repositories.completedlessons
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class CompletedLessonsLocalTest {
-
-    private lateinit var completedLessonsLocal: CompletedLessonsLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        completedLessonsLocal = CompletedLessonsLocal(testDb.completedLessonsDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        completedLessonsLocal.saveCompletedLessons(listOf(
-            getCompletedLesson(LocalDate.of(2018, 9, 10), 1),
-            getCompletedLesson(LocalDate.of(2018, 9, 14), 2),
-            getCompletedLesson(LocalDate.of(2018, 9, 17), 3)
-        ))
-
-        val completed = completedLessonsLocal
-            .getCompletedLessons(Semester(1, 2, "", 1, 3, 2019, true, LocalDate.now(), LocalDate.now(), 1, 1),
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 14)
-            )
-            .blockingGet()
-        assertEquals(2, completed.size)
-        assertEquals(completed[0].date, LocalDate.of(2018, 9, 10))
-        assertEquals(completed[1].date, LocalDate.of(2018, 9, 14))
-    }
-
-    private fun getCompletedLesson(date: LocalDate, number: Int): CompletedLesson {
-        return CompletedLesson(1, 2, date, number, "", "", "", "", "", "", "")
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/exam/ExamLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/exam/ExamLocalTest.kt
deleted file mode 100644
index fb76306d9..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/exam/ExamLocalTest.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package io.github.wulkanowy.data.repositories.exam
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Exam
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class ExamLocalTest {
-
-    private lateinit var examLocal: ExamLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java).build()
-        examLocal = ExamLocal(testDb.examsDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        examLocal.saveExams(listOf(
-                Exam(1, 2, LocalDate.of(2018, 9, 10), LocalDate.now(), "", "", "", "", "", ""),
-                Exam(1, 2, LocalDate.of(2018, 9, 14), LocalDate.now(), "", "", "", "", "", ""),
-                Exam(1, 2, LocalDate.of(2018, 9, 17), LocalDate.now(), "", "", "", "", "", "")
-        ))
-
-        val exams = examLocal
-            .getExams(Semester(1, 2, "", 1, 3, 2019, true, LocalDate.now(), LocalDate.now(), 1, 1),
-                        LocalDate.of(2018, 9, 10),
-                        LocalDate.of(2018, 9, 14)
-                )
-                .blockingGet()
-        assertEquals(2, exams.size)
-        assertEquals(exams[0].date, LocalDate.of(2018, 9, 10))
-        assertEquals(exams[1].date, LocalDate.of(2018, 9, 14))
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeLocalTest.kt
deleted file mode 100644
index 954d0eea2..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeLocalTest.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class GradeLocalTest {
-
-    private lateinit var gradeLocal: GradeLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        gradeLocal = GradeLocal(testDb.gradeDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        gradeLocal.saveGrades(listOf(
-            createGradeLocal(5, 3.0, LocalDate.of(2018, 9, 10), "", 1),
-            createGradeLocal(4, 4.0, LocalDate.of(2019, 2, 27), "", 2),
-            createGradeLocal(3, 5.0, LocalDate.of(2019, 2, 28), "", 2)
-        ))
-
-        val semester = Semester(1, 2, "", 2019, 2, 1, true, now(), now(), 1, 1)
-
-        val grades = gradeLocal
-            .getGrades(semester)
-            .blockingGet()
-
-        assertEquals(2, grades.size)
-        assertEquals(grades[0].date, LocalDate.of(2019, 2, 27))
-        assertEquals(grades[1].date, LocalDate.of(2019, 2, 28))
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeRepositoryTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeRepositoryTest.kt
deleted file mode 100644
index a0acb5a76..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeRepositoryTest.kt
+++ /dev/null
@@ -1,182 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import android.os.Build.VERSION_CODES.P
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider.getApplicationContext
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.filters.SdkSuppress
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.TestInternetObservingStrategy
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate.of
-import org.threeten.bp.LocalDateTime
-import kotlin.test.assertEquals
-import kotlin.test.assertFalse
-import kotlin.test.assertTrue
-import io.github.wulkanowy.api.grades.Grade as GradeApi
-
-@SdkSuppress(minSdkVersion = P)
-@RunWith(AndroidJUnit4::class)
-class GradeRepositoryTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    private val settings = InternetObservingSettings.builder()
-        .strategy(TestInternetObservingStrategy())
-        .build()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @MockK
-    private lateinit var studentMock: Student
-
-    private lateinit var gradeRemote: GradeRemote
-
-    private lateinit var gradeLocal: GradeLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-        testDb = Room.inMemoryDatabaseBuilder(getApplicationContext(), AppDatabase::class.java).build()
-        gradeLocal = GradeLocal(testDb.gradeDao)
-        gradeRemote = GradeRemote(mockApi)
-
-        every { mockApi.diaryId } returns 1
-        every { studentMock.registrationDate } returns LocalDateTime.of(2019, 2, 27, 12, 0)
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.semesterId } returns 1
-        every { semesterMock.diaryId } returns 1
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun markOlderThanRegisterDateAsRead() {
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
-            createGradeApi(5, 4.0, of(2019, 2, 25), "Ocena pojawiła się"),
-            createGradeApi(5, 4.0, of(2019, 2, 26), "przed zalogowanie w aplikacji"),
-            createGradeApi(5, 4.0, of(2019, 2, 27), "Ocena z dnia logowania"),
-            createGradeApi(5, 4.0, of(2019, 2, 28), "Ocena jeszcze nowsza")
-        ))
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet().sortedByDescending { it.date }
-
-        assertFalse { grades[0].isRead }
-        assertFalse { grades[1].isRead }
-        assertTrue { grades[2].isRead }
-        assertTrue { grades[3].isRead }
-    }
-
-    @Test
-    fun mitigateOldGradesNotifications() {
-        gradeLocal.saveGrades(listOf(
-            createGradeLocal(5, 3.0, of(2019, 2, 25), "Jedna ocena"),
-            createGradeLocal(4, 4.0, of(2019, 2, 26), "Druga"),
-            createGradeLocal(3, 5.0, of(2019, 2, 27), "Trzecia")
-        ))
-
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
-            createGradeApi(5, 2.0, of(2019, 2, 25), "Ocena ma datę, jest inna, ale nie zostanie powiadomiona"),
-            createGradeApi(4, 3.0, of(2019, 2, 26), "starszą niż ostatnia lokalnie"),
-            createGradeApi(3, 4.0, of(2019, 2, 27), "Ta jest z tego samego dnia co ostatnia lokalnie"),
-            createGradeApi(2, 5.0, of(2019, 2, 28), "Ta jest już w ogóle nowa")
-        ))
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet().sortedByDescending { it.date }
-
-        assertFalse { grades[0].isRead }
-        assertFalse { grades[1].isRead }
-        assertTrue { grades[2].isRead }
-        assertTrue { grades[3].isRead }
-    }
-
-    @Test
-    fun subtractLocaleDuplicateGrades() {
-        gradeLocal.saveGrades(listOf(
-            createGradeLocal(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeLocal(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
-            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet()
-
-        assertEquals(2, grades.size)
-    }
-
-    @Test
-    fun subtractRemoteDuplicateGrades() {
-        gradeLocal.saveGrades(listOf(
-            createGradeLocal(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
-            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet()
-
-        assertEquals(3, grades.size)
-    }
-
-    @Test
-    fun emptyLocal() {
-        gradeLocal.saveGrades(listOf())
-
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
-            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet()
-
-        assertEquals(3, grades.size)
-    }
-
-    @Test
-    fun emptyRemote() {
-        gradeLocal.saveGrades(listOf(
-            createGradeLocal(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
-            createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
-
-        every { mockApi.getGrades(1) } returns Single.just(listOf())
-
-        val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet()
-
-        assertEquals(0, grades.size)
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/TestGradeEntityCreator.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/TestGradeEntityCreator.kt
deleted file mode 100644
index e0fd05a82..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/TestGradeEntityCreator.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import io.github.wulkanowy.api.toDate
-import org.threeten.bp.LocalDate
-import io.github.wulkanowy.api.grades.Grade as GradeRemote
-import io.github.wulkanowy.data.db.entities.Grade as GradeLocal
-
-fun createGradeLocal(value: Int, weight: Double, date: LocalDate, desc: String, semesterId: Int = 1): GradeLocal {
-    return GradeLocal(
-        semesterId = semesterId,
-        studentId = 1,
-        modifier = .0,
-        teacher = "",
-        subject = "",
-        date = date,
-        color = "",
-        comment = "",
-        description = desc,
-        entry = "",
-        gradeSymbol = "",
-        value = value,
-        weight = "",
-        weightValue = weight
-    )
-}
-
-fun createGradeApi(value: Int, weight: Double, date: LocalDate, desc: String): GradeRemote {
-    return GradeRemote().apply {
-        this.value = value
-        this.weightValue = weight
-        this.date = date.toDate()
-        this.description = desc
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocalTest.kt
deleted file mode 100644
index 0057a26e5..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocalTest.kt
+++ /dev/null
@@ -1,69 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradestatistics
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class GradeStatisticsLocalTest {
-
-    private lateinit var gradeStatisticsLocal: GradeStatisticsLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        gradeStatisticsLocal = GradeStatisticsLocal(testDb.gradeStatistics)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndRead_subject() {
-        gradeStatisticsLocal.saveGradesStatistics(listOf(
-            getGradeStatistics("Matematyka", 2, 1),
-            getGradeStatistics("Fizyka", 1, 2)
-        ))
-
-        val stats = gradeStatisticsLocal.getGradesStatistics(
-            Semester(2, 2, "", 2019, 1, 2, true, LocalDate.now(), LocalDate.now(), 1, 1), false,
-            "Matematyka"
-        ).blockingGet()
-        assertEquals(1, stats.size)
-        assertEquals(stats[0].subject, "Matematyka")
-    }
-
-    @Test
-    fun saveAndRead_all() {
-        gradeStatisticsLocal.saveGradesStatistics(listOf(
-            getGradeStatistics("Matematyka", 2, 1),
-            getGradeStatistics("Chemia", 2, 1),
-            getGradeStatistics("Fizyka", 1, 2)
-        ))
-
-        val stats = gradeStatisticsLocal.getGradesStatistics(
-            Semester(2, 2, "", 2019, 1, 2, true, LocalDate.now(), LocalDate.now(), 1, 1), false,
-            "Wszystkie"
-        ).blockingGet()
-        assertEquals(1, stats.size)
-        assertEquals(stats[0].subject, "Wszystkie")
-    }
-
-    private fun getGradeStatistics(subject: String, studentId: Int, semesterId: Int): GradeStatistics {
-        return GradeStatistics(studentId, semesterId, subject, 5, 5, false)
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocalTest.kt
deleted file mode 100644
index 77ddafb9c..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocalTest.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package io.github.wulkanowy.data.repositories.luckynumber
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class LuckyNumberLocalTest {
-
-    private lateinit var luckyNumberLocal: LuckyNumberLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        luckyNumberLocal = LuckyNumberLocal(testDb.luckyNumberDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        luckyNumberLocal.saveLuckyNumber(LuckyNumber(1, LocalDate.of(2019, 1, 20), 14))
-
-        val luckyNumber = luckyNumberLocal.getLuckyNumber(Semester(1, 1, "", 1, 3, 2019, true, LocalDate.now(), LocalDate.now(), 1, 1),
-            LocalDate.of(2019, 1, 20)
-        ).blockingGet()
-
-        assertEquals(1, luckyNumber.studentId)
-        assertEquals(LocalDate.of(2019, 1, 20), luckyNumber.date)
-        assertEquals(14, luckyNumber.luckyNumber)
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocalTest.kt
deleted file mode 100644
index 6edaccdb4..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocalTest.kt
+++ /dev/null
@@ -1,60 +0,0 @@
-package io.github.wulkanowy.data.repositories.recipient
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.db.entities.Student
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDateTime
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class RecipientLocalTest {
-
-    private lateinit var recipientLocal: RecipientLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        recipientLocal = RecipientLocal(testDb.recipientDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        recipientLocal.saveRecipients(listOf(
-            Recipient(1, "2rPracownik", "Kowalski Jan", "Kowalski Jan [KJ] - Pracownik (Fake123456)", 3, 4, 2, "hash"),
-            Recipient(1, "3rPracownik", "Kowalska Karolina", "Kowalska Karolina [KK] - Pracownik (Fake123456)", 4, 4, 2, "hash"),
-            Recipient(1, "4rPracownik", "Krupa Stanisław", "Krupa Stanisław [KS] - Uczeń (Fake123456)", 5, 4, 1, "hash")
-        ))
-
-        val recipients = recipientLocal.getRecipients(
-            Student("fakelog.cf", "AUTO", "", "", "", 1, "", "", "", "", 1, true, LocalDateTime.now()),
-            2,
-            ReportingUnit(1, 4, "", 0, "", emptyList())
-        ).blockingGet()
-
-        assertEquals(2, recipients.size)
-        assertEquals(1, recipients[0].studentId)
-        assertEquals("3rPracownik", recipients[1].realId)
-        assertEquals("Kowalski Jan", recipients[0].name)
-        assertEquals("Kowalska Karolina [KK] - Pracownik (Fake123456)", recipients[1].realName)
-        assertEquals(3, recipients[0].loginId)
-        assertEquals(4, recipients[1].unitId)
-        assertEquals(2, recipients[0].role)
-        assertEquals("hash", recipients[1].hash)
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/student/StudentLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/student/StudentLocalTest.kt
deleted file mode 100644
index ee4c652f4..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/student/StudentLocalTest.kt
+++ /dev/null
@@ -1,48 +0,0 @@
-package io.github.wulkanowy.data.repositories.student
-
-import android.content.Context
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.db.entities.Student
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDateTime.now
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class StudentLocalTest {
-
-    private lateinit var studentLocal: StudentLocal
-
-    private lateinit var testDb: AppDatabase
-
-    private lateinit var sharedProvider: SharedPrefProvider
-
-    @Before
-    fun createDb() {
-        val context = ApplicationProvider.getApplicationContext<Context>()
-        testDb = Room.inMemoryDatabaseBuilder(context, AppDatabase::class.java)
-            .build()
-        sharedProvider = SharedPrefProvider(context.getSharedPreferences("TEST", Context.MODE_PRIVATE))
-        studentLocal = StudentLocal(testDb.studentDao, context)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        studentLocal.saveStudents(listOf(Student(email = "test", password = "test123", schoolSymbol = "23", endpoint = "fakelog.cf", loginType = "AUTO", isCurrent = true, studentName = "", schoolName = "", studentId = 0, classId = 1, symbol = "", registrationDate = now(), className = "")))
-            .blockingGet()
-
-        val student = studentLocal.getCurrentStudent(true).blockingGet()
-        assertEquals("23", student.schoolSymbol)
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TestTimetableEntityCreator.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TestTimetableEntityCreator.kt
deleted file mode 100644
index c38ffd99f..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TestTimetableEntityCreator.kt
+++ /dev/null
@@ -1,45 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import io.github.wulkanowy.api.toDate
-import io.github.wulkanowy.utils.toDate
-import org.threeten.bp.LocalDateTime
-import org.threeten.bp.LocalDateTime.now
-import io.github.wulkanowy.api.timetable.Timetable as TimetableRemote
-import io.github.wulkanowy.data.db.entities.Timetable as TimetableLocal
-
-fun createTimetableLocal(number: Int, start: LocalDateTime, room: String = "", subject: String = "", teacher: String = "", changes: Boolean = false): TimetableLocal {
-    return TimetableLocal(
-        studentId = 1,
-        diaryId = 2,
-        number = number,
-        start = start,
-        end = now(),
-        date = start.toLocalDate(),
-        subject = subject,
-        subjectOld = "",
-        group = "",
-        room = room,
-        roomOld = "",
-        teacher = teacher,
-        teacherOld = "",
-        info = "",
-        changes = changes,
-        canceled = false
-    )
-}
-
-fun createTimetableRemote(number: Int, start: LocalDateTime, room: String, subject: String = "", teacher: String = "", changes: Boolean = false): TimetableRemote {
-    return TimetableRemote(
-        number = number,
-        start = start.toDate(),
-        end = start.plusMinutes(45).toDate(),
-        date = start.toLocalDate().toDate(),
-        subject = subject,
-        group = "",
-        room = room,
-        teacher = teacher,
-        info = "",
-        changes = changes,
-        canceled = false
-    )
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocalTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocalTest.kt
deleted file mode 100644
index fe25e4e96..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocalTest.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDateTime.of
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class TimetableLocalTest {
-
-    private lateinit var timetableDb: TimetableLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
-        timetableDb = TimetableLocal(testDb.timetableDao)
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun saveAndReadTest() {
-        timetableDb.saveTimetable(listOf(
-            createTimetableLocal(1, of(2018, 9, 10, 0, 0, 0)),
-            createTimetableLocal(1, of(2018, 9, 14, 0, 0, 0)),
-            createTimetableLocal(1, of(2018, 9, 17, 0, 0, 0))
-        ))
-
-        val exams = timetableDb.getTimetable(
-            Semester(1, 2, "", 1, 1, 2019, true, LocalDate.now(), LocalDate.now(), 1, 1),
-            LocalDate.of(2018, 9, 10),
-            LocalDate.of(2018, 9, 14)
-        ).blockingGet()
-
-        assertEquals(2, exams.size)
-        assertEquals(exams[0].date, LocalDate.of(2018, 9, 10))
-        assertEquals(exams[1].date, LocalDate.of(2018, 9, 14))
-    }
-}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepositoryTest.kt b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepositoryTest.kt
deleted file mode 100644
index 02ab605ed..000000000
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepositoryTest.kt
+++ /dev/null
@@ -1,114 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import android.os.Build.VERSION_CODES.P
-import androidx.room.Room
-import androidx.test.core.app.ApplicationProvider.getApplicationContext
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.filters.SdkSuppress
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.repositories.TestInternetObservingStrategy
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.After
-import org.junit.Before
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDateTime.of
-import kotlin.test.assertEquals
-
-@SdkSuppress(minSdkVersion = P)
-@RunWith(AndroidJUnit4::class)
-class TimetableRepositoryTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    private val settings = InternetObservingSettings.builder()
-        .strategy(TestInternetObservingStrategy())
-        .build()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    private lateinit var timetableRemote: TimetableRemote
-
-    private lateinit var timetableLocal: TimetableLocal
-
-    private lateinit var testDb: AppDatabase
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-        testDb = Room.inMemoryDatabaseBuilder(getApplicationContext(), AppDatabase::class.java).build()
-        timetableLocal = TimetableLocal(testDb.timetableDao)
-        timetableRemote = TimetableRemote(mockApi)
-
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 2
-    }
-
-    @After
-    fun closeDb() {
-        testDb.close()
-    }
-
-    @Test
-    fun copyRoomToCompletedFromPrevious() {
-        timetableLocal.saveTimetable(listOf(
-            createTimetableLocal(1, of(2019, 3, 5, 8, 0), "123", "Przyroda"),
-            createTimetableLocal(2, of(2019, 3, 5, 8, 50), "321", "Religia"),
-            createTimetableLocal(3, of(2019, 3, 5, 9, 40), "213", "W-F"),
-            createTimetableLocal(4, of(2019, 3, 5, 10, 30), "213", "W-F", "Jan Kowalski")
-        ))
-
-        every { mockApi.getTimetable(any(), any()) } returns Single.just(listOf(
-            createTimetableRemote(1, of(2019, 3, 5, 8, 0), "", "Przyroda"),
-            createTimetableRemote(2, of(2019, 3, 5, 8, 50), "", "Religia"),
-            createTimetableRemote(3, of(2019, 3, 5, 9, 40), "", "W-F"),
-            createTimetableRemote(4, of(2019, 3, 5, 10, 30), "", "W-F")
-        ))
-
-        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
-            .getTimetable(semesterMock, LocalDate.of(2019, 3, 5), LocalDate.of(2019, 3, 5), true)
-            .blockingGet()
-
-        assertEquals(4, lessons.size)
-        assertEquals("123", lessons[0].room)
-        assertEquals("321", lessons[1].room)
-        assertEquals("213", lessons[2].room)
-    }
-
-    @Test
-    fun copyTeacherToCompletedFromPrevious() {
-        timetableLocal.saveTimetable(listOf(
-            createTimetableLocal(1, of(2019, 3, 5, 8, 0), "123", "Przyroda", "Jan Garnkiewicz", false),
-            createTimetableLocal(2, of(2019, 3, 5, 8, 50), "321", "Religia", "Paweł Jumper", false),
-            createTimetableLocal(3, of(2019, 3, 5, 9, 40), "213", "W-F", "", true),
-            createTimetableLocal(4, of(2019, 3, 5, 10, 30), "213", "W-F", "", false)
-        ))
-
-        every { mockApi.getTimetable(any(), any()) } returns Single.just(listOf(
-            createTimetableRemote(1, of(2019, 3, 5, 8, 0), "", "Przyroda", "", true), // should override local
-            createTimetableRemote(2, of(2019, 3, 5, 8, 50), "", "Religia", "", false),
-            createTimetableRemote(3, of(2019, 3, 5, 9, 40), "", "W-F", "Jan Garnkiewicz", false),
-            createTimetableRemote(4, of(2019, 3, 5, 10, 30), "", "W-F", "Paweł Jumper", false)
-        ))
-
-        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
-            .getTimetable(semesterMock, LocalDate.of(2019, 3, 5), LocalDate.of(2019, 3, 5), true)
-            .blockingGet()
-
-        assertEquals(4, lessons.size)
-        assertEquals("", lessons[0].teacher)
-        assertEquals("Paweł Jumper", lessons[1].teacher)
-        assertEquals("Jan Garnkiewicz", lessons[2].teacher)
-        assertEquals("Paweł Jumper", lessons[3].teacher)
-    }
-}
diff --git a/app/src/debug/agconnect-services.json b/app/src/debug/agconnect-services.json
new file mode 100644
index 000000000..48192df01
--- /dev/null
+++ b/app/src/debug/agconnect-services.json
@@ -0,0 +1,33 @@
+{
+	"agcgw":{
+		"backurl":"connect-dre.dbankcloud.cn",
+		"url":"connect-dre.hispace.hicloud.com"
+	},
+	"client":{
+		"cp_id":"890048000024105546",
+		"product_id":"",
+		"client_id":"",
+		"client_secret":"",
+		"app_id":"101440411",
+		"package_name":"io.github.wulkanowy.dev",
+		"api_key":""
+	},
+	"service":{
+		"analytics":{
+			"collector_url":"datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
+			"resource_id":"p1",
+			"channel_id":""
+		},
+		"search":{
+			"url":"https://search-dre.cloud.huawei.com"
+		},
+		"cloudstorage":{
+			"storage_url":"https://ops-dre.agcstorage.link"
+		},
+		"ml":{
+			"mlservice_url":"ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
+		}
+	},
+	"region":"DE",
+	"configuration_version":"1.0"
+}
diff --git a/app/src/debug/res/drawable-anydpi-v24/ic_stat_grade.xml b/app/src/debug/res/drawable-anydpi-v24/ic_stat_grade.xml
new file mode 100644
index 000000000..832eba838
--- /dev/null
+++ b/app/src/debug/res/drawable-anydpi-v24/ic_stat_grade.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="30.434782"
+    android:viewportHeight="30.434782">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 8.131 2.131 C 7.601 2.131 7.092 2.342 6.717 2.717 C 6.342 3.092 6.131 3.601 6.131 4.131 L 6.131 18.131 C 6.131 18.661 6.342 19.17 6.717 19.545 C 7.092 19.92 7.601 20.131 8.131 20.131 L 16.918 20.131 C 17.252 19.39 17.712 18.714 18.277 18.131 L 8.131 18.131 L 8.131 4.131 L 22.131 4.131 L 22.131 16.1 C 22.516 16.034 22.906 16.001 23.297 16 C 23.576 16.002 23.854 16.02 24.131 16.055 L 24.131 4.131 C 24.131 3.601 23.92 3.092 23.545 2.717 C 23.17 2.342 22.661 2.131 22.131 2.131 L 8.131 2.131 Z M 2.131 6.131 L 2.131 22.131 C 2.131 22.661 2.342 23.17 2.717 23.545 C 3.092 23.92 3.601 24.131 4.131 24.131 L 16.391 24.131 C 16.329 23.757 16.297 23.379 16.297 23 C 16.299 22.709 16.319 22.419 16.357 22.131 L 4.131 22.131 L 4.131 6.131 L 2.131 6.131 Z M 14.131 6.131 C 13.601 6.131 13.092 6.342 12.717 6.717 C 12.342 7.092 12.131 7.601 12.131 8.131 L 12.131 14.131 C 12.131 15.231 13.031 16.131 14.131 16.131 L 16.131 16.131 C 16.661 16.131 17.17 15.92 17.545 15.545 C 17.92 15.17 18.131 14.661 18.131 14.131 L 18.131 12.131 C 18.131 11.601 17.92 11.092 17.545 10.717 C 17.17 10.342 16.661 10.131 16.131 10.131 L 14.131 10.131 L 14.131 8.131 L 18.131 8.131 L 18.131 6.131 L 14.131 6.131 Z M 14.131 12.131 L 16.131 12.131 L 16.131 14.131 L 14.131 14.131 L 14.131 12.131 Z" />
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 20.174 28 L 20.174 18.521 L 23.091 18.521 Q 24.341 18.521 25.324 19.087 Q 26.314 19.647 26.867 20.689 Q 27.421 21.724 27.421 23.046 L 27.421 23.482 Q 27.421 24.803 26.874 25.832 Q 26.333 26.861 25.344 27.427 Q 24.354 27.993 23.111 28 Z M 22.128 20.103 L 22.128 26.431 L 23.072 26.431 Q 24.217 26.431 24.823 25.682 Q 25.428 24.934 25.441 23.54 L 25.441 23.039 Q 25.441 21.594 24.842 20.852 Q 24.243 20.103 23.091 20.103 Z" />
+</vector>
diff --git a/app/src/debug/res/drawable-anydpi-v24/ic_stat_luckynumber.xml b/app/src/debug/res/drawable-anydpi-v24/ic_stat_luckynumber.xml
new file mode 100644
index 000000000..4f3eb98e1
--- /dev/null
+++ b/app/src/debug/res/drawable-anydpi-v24/ic_stat_luckynumber.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="28.26087"
+    android:viewportHeight="28.26087">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 10.734 3.043 C 9.234 3.043 8.043 4.293 8.043 5.793 C 8.043 7.683 9.743 9.223 13.043 12.223 C 16.343 9.223 18.043 7.684 18.043 5.734 C 18.043 4.234 16.793 3.043 15.293 3.043 C 14.433 3.043 13.613 3.403 13.043 4.043 C 12.473 3.403 11.654 3.043 10.734 3.043 Z M 5.734 8.043 C 4.234 8.043 3.043 9.293 3.043 10.793 C 3.043 11.653 3.403 12.473 4.043 13.043 C 3.403 13.613 3.043 14.434 3.043 15.354 C 3.043 16.854 4.293 18.043 5.793 18.043 C 7.683 18.043 9.223 16.343 12.223 13.043 C 9.223 9.743 7.684 8.043 5.734 8.043 Z M 20.293 8.043 C 18.403 8.043 16.863 9.743 13.873 13.043 C 15.043 14.334 15.987 15.373 16.824 16.168 C 17.476 15.484 18.26 14.94 19.129 14.567 C 19.997 14.195 20.932 14.002 21.877 14 C 22.181 14.002 22.484 14.025 22.785 14.066 C 22.615 13.68 22.365 13.329 22.043 13.043 C 22.683 12.473 23.043 11.654 23.043 10.734 C 23.043 9.234 21.793 8.043 20.293 8.043 Z M 13.043 13.863 C 9.743 16.863 8.043 18.404 8.043 20.354 C 8.043 21.854 9.293 23.043 10.793 23.043 C 11.653 23.043 12.473 22.683 13.043 22.043 C 13.576 22.642 14.333 22.982 15.182 23.025 C 14.981 22.369 14.879 21.686 14.877 21 C 14.88 19.52 15.351 18.078 16.225 16.883 C 15.422 16.032 14.368 15.067 13.043 13.863 Z" />
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 18.754 26 L 18.754 16.521 L 21.671 16.521 Q 22.921 16.521 23.904 17.087 Q 24.893 17.647 25.447 18.689 Q 26 19.724 26 21.046 L 26 21.482 Q 26 22.803 25.453 23.832 Q 24.913 24.861 23.923 25.427 Q 22.934 25.993 21.69 26 Z M 20.707 18.103 L 20.707 24.431 L 21.651 24.431 Q 22.797 24.431 23.402 23.682 Q 24.008 22.934 24.021 21.54 L 24.021 21.039 Q 24.021 19.594 23.422 18.852 Q 22.823 18.103 21.671 18.103 Z" />
+</vector>
diff --git a/app/src/debug/res/drawable-anydpi-v24/ic_stat_message.xml b/app/src/debug/res/drawable-anydpi-v24/ic_stat_message.xml
new file mode 100644
index 000000000..8fe12de45
--- /dev/null
+++ b/app/src/debug/res/drawable-anydpi-v24/ic_stat_message.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="28.26087"
+    android:viewportHeight="28.26087">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 5.043 3.043 C 3.943 3.043 3.053 3.943 3.053 5.043 L 3.043 23.043 L 7.043 19.043 L 15.16 19.043 C 15.646 17.378 16.733 15.952 18.209 15.043 L 7.043 15.043 L 7.043 13.043 L 19.043 13.043 L 19.043 14.609 C 19.935 14.211 20.9 14.003 21.877 14 C 22.268 14.003 22.658 14.038 23.043 14.105 L 23.043 5.043 C 23.043 3.943 22.143 3.043 21.043 3.043 L 5.043 3.043 Z M 7.043 7.043 L 19.043 7.043 L 19.043 9.043 L 7.043 9.043 L 7.043 7.043 Z M 7.043 10.043 L 19.043 10.043 L 19.043 12.043 L 7.043 12.043 L 7.043 10.043 Z" />
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 18.754 26 L 18.754 16.521 L 21.671 16.521 Q 22.921 16.521 23.904 17.087 Q 24.893 17.647 25.447 18.689 Q 26 19.724 26 21.046 L 26 21.482 Q 26 22.803 25.453 23.832 Q 24.913 24.861 23.923 25.427 Q 22.934 25.993 21.69 26 Z M 20.707 18.103 L 20.707 24.431 L 21.651 24.431 Q 22.797 24.431 23.402 23.682 Q 24.008 22.934 24.021 21.54 L 24.021 21.039 Q 24.021 19.594 23.422 18.852 Q 22.823 18.103 21.671 18.103 Z" />
+</vector>
diff --git a/app/src/debug/res/drawable-anydpi-v24/ic_stat_note.xml b/app/src/debug/res/drawable-anydpi-v24/ic_stat_note.xml
new file mode 100644
index 000000000..d30f22336
--- /dev/null
+++ b/app/src/debug/res/drawable-anydpi-v24/ic_stat_note.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="28.26087"
+    android:viewportHeight="28.26087">
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 3.043 3.043 L 3.043 12.043 C 3.043 13.043 4.043 14.043 5.043 14.043 L 7.244 14.043 C 7.644 16.043 8.943 17.743 12.043 18.043 L 12.043 20.143 C 9.843 20.343 9.043 21.444 9.043 22.744 L 9.043 23.043 L 15.188 23.043 C 14.983 22.381 14.879 21.693 14.877 21 C 14.877 20.763 14.888 20.527 14.912 20.291 C 14.649 20.226 14.364 20.172 14.043 20.143 L 14.043 18.043 C 14.68 17.981 15.224 17.848 15.717 17.678 C 16.382 16.446 17.401 15.442 18.643 14.795 C 18.725 14.551 18.792 14.299 18.844 14.043 L 21.043 14.043 C 22.043 14.043 23.043 13.043 23.043 12.043 L 23.043 3.043 L 19.043 3.043 C 18.143 3.043 17.043 4.043 17.043 5.043 L 9.043 5.043 C 9.043 4.043 7.943 3.043 7.043 3.043 L 3.043 3.043 Z M 5.043 5.043 L 7.043 5.043 L 7.043 12.043 L 5.043 12.043 L 5.043 5.043 Z M 19.043 5.043 L 21.043 5.043 L 21.043 12.043 L 19.043 12.043 L 19.043 5.043 Z" />
+    <path
+        android:fillColor="#ffffff"
+        android:pathData="M 18.754 26 L 18.754 16.521 L 21.671 16.521 Q 22.921 16.521 23.904 17.087 Q 24.893 17.647 25.447 18.689 Q 26 19.724 26 21.046 L 26 21.482 Q 26 22.803 25.453 23.832 Q 24.913 24.861 23.923 25.427 Q 22.934 25.993 21.69 26 Z M 20.707 18.103 L 20.707 24.431 L 21.651 24.431 Q 22.797 24.431 23.402 23.682 Q 24.008 22.934 24.021 21.54 L 24.021 21.039 Q 24.021 19.594 23.422 18.852 Q 22.823 18.103 21.671 18.103 Z" />
+</vector>
diff --git a/app/src/debug/res/drawable-anydpi-v24/ic_stat_timetable.xml b/app/src/debug/res/drawable-anydpi-v24/ic_stat_timetable.xml
new file mode 100644
index 000000000..ac99d4a89
--- /dev/null
+++ b/app/src/debug/res/drawable-anydpi-v24/ic_stat_timetable.xml
@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <group
+      android:scaleX="0.92"
+      android:scaleY="0.92"
+      android:translateX="0.96"
+      android:translateY="0.96">
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M3.9512,2A2,2 0,0 0,2 4L2,18A2,2 0,0 0,4 20L10.0996,20C11.3596,21.24 13.09,22 15,22A7,7 0,0 0,15.7988 21.9551L15.7988,19.7832A4.85,4.85 0,0 1,15 19.8496C12.32,19.8496 10.1504,17.68 10.1504,15A4.85,4.85 0,0 1,15 10.1504C17.4677,10.1504 19.4978,11.9912 19.8047,14.375C20.566,14.3758 21.3108,14.5325 21.9922,14.834C21.9491,12.9905 21.2036,11.3226 20,10.0996L20,4A2,2 0,0 0,18 2L4,2A2,2 0,0 0,3.9512 2zM4,5L10,5L10,8L4,8L4,5zM12,5L18,5L18,8L12,8L12,5zM4,10L10.0996,10C9.2596,10.82 8.6291,11.85 8.2891,13L4,13L4,10zM14,12L14,15.6895L15.7988,16.7266L15.7988,14.9922L15.5,14.8203L15.5,12L14,12zM4,15L8,15C8,16.07 8.2399,17.09 8.6699,18L4,18L4,15z" />
+    <path
+        android:fillColor="#FFF"
+        android:pathData="m17.298,24v-8.1249h2.5c0.7143,0 1.3523,0.1618 1.9141,0.4855 0.5655,0.3199 1.0063,0.7775 1.3225,1.3728 0.3162,0.5915 0.4743,1.2649 0.4743,2.0201v0.3739c0,0.7552 -0.1562,1.4267 -0.4687,2.0145 -0.3088,0.5878 -0.7459,1.0435 -1.3114,1.3672C21.1633,23.8326 20.5253,23.9963 19.8148,24ZM18.9721,17.2311v5.4241h0.8091c0.6548,0 1.1551,-0.2139 1.5011,-0.6417 0.346,-0.4278 0.5227,-1.0398 0.5301,-1.8359v-0.4297c0,-0.8259 -0.1711,-1.4509 -0.5134,-1.875 -0.3423,-0.4278 -0.8426,-0.6417 -1.5011,-0.6417z" />
+  </group>
+</vector>
diff --git a/app/src/debug/res/drawable-hdpi/ic_stat_grade.png b/app/src/debug/res/drawable-hdpi/ic_stat_grade.png
new file mode 100644
index 000000000..013b7ac49
Binary files /dev/null and b/app/src/debug/res/drawable-hdpi/ic_stat_grade.png differ
diff --git a/app/src/debug/res/drawable-hdpi/ic_stat_luckynumber.png b/app/src/debug/res/drawable-hdpi/ic_stat_luckynumber.png
new file mode 100644
index 000000000..74a4d0c55
Binary files /dev/null and b/app/src/debug/res/drawable-hdpi/ic_stat_luckynumber.png differ
diff --git a/app/src/debug/res/drawable-hdpi/ic_stat_message.png b/app/src/debug/res/drawable-hdpi/ic_stat_message.png
new file mode 100644
index 000000000..be41e3434
Binary files /dev/null and b/app/src/debug/res/drawable-hdpi/ic_stat_message.png differ
diff --git a/app/src/debug/res/drawable-hdpi/ic_stat_note.png b/app/src/debug/res/drawable-hdpi/ic_stat_note.png
new file mode 100644
index 000000000..1992edf25
Binary files /dev/null and b/app/src/debug/res/drawable-hdpi/ic_stat_note.png differ
diff --git a/app/src/debug/res/drawable-hdpi/ic_stat_timetable.png b/app/src/debug/res/drawable-hdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..10b27cee7
Binary files /dev/null and b/app/src/debug/res/drawable-hdpi/ic_stat_timetable.png differ
diff --git a/app/src/debug/res/drawable-mdpi/ic_stat_grade.png b/app/src/debug/res/drawable-mdpi/ic_stat_grade.png
new file mode 100644
index 000000000..a5df2a359
Binary files /dev/null and b/app/src/debug/res/drawable-mdpi/ic_stat_grade.png differ
diff --git a/app/src/debug/res/drawable-mdpi/ic_stat_luckynumber.png b/app/src/debug/res/drawable-mdpi/ic_stat_luckynumber.png
new file mode 100644
index 000000000..278ed2c66
Binary files /dev/null and b/app/src/debug/res/drawable-mdpi/ic_stat_luckynumber.png differ
diff --git a/app/src/debug/res/drawable-mdpi/ic_stat_message.png b/app/src/debug/res/drawable-mdpi/ic_stat_message.png
new file mode 100644
index 000000000..7327a02f3
Binary files /dev/null and b/app/src/debug/res/drawable-mdpi/ic_stat_message.png differ
diff --git a/app/src/debug/res/drawable-mdpi/ic_stat_note.png b/app/src/debug/res/drawable-mdpi/ic_stat_note.png
new file mode 100644
index 000000000..2fb020982
Binary files /dev/null and b/app/src/debug/res/drawable-mdpi/ic_stat_note.png differ
diff --git a/app/src/debug/res/drawable-mdpi/ic_stat_timetable.png b/app/src/debug/res/drawable-mdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..db5747b0d
Binary files /dev/null and b/app/src/debug/res/drawable-mdpi/ic_stat_timetable.png differ
diff --git a/app/src/debug/res/drawable-xhdpi/ic_stat_grade.png b/app/src/debug/res/drawable-xhdpi/ic_stat_grade.png
new file mode 100644
index 000000000..c63f810fb
Binary files /dev/null and b/app/src/debug/res/drawable-xhdpi/ic_stat_grade.png differ
diff --git a/app/src/debug/res/drawable-xhdpi/ic_stat_luckynumber.png b/app/src/debug/res/drawable-xhdpi/ic_stat_luckynumber.png
new file mode 100644
index 000000000..4035ceba8
Binary files /dev/null and b/app/src/debug/res/drawable-xhdpi/ic_stat_luckynumber.png differ
diff --git a/app/src/debug/res/drawable-xhdpi/ic_stat_message.png b/app/src/debug/res/drawable-xhdpi/ic_stat_message.png
new file mode 100644
index 000000000..c4140be89
Binary files /dev/null and b/app/src/debug/res/drawable-xhdpi/ic_stat_message.png differ
diff --git a/app/src/debug/res/drawable-xhdpi/ic_stat_note.png b/app/src/debug/res/drawable-xhdpi/ic_stat_note.png
new file mode 100644
index 000000000..6b533c8ee
Binary files /dev/null and b/app/src/debug/res/drawable-xhdpi/ic_stat_note.png differ
diff --git a/app/src/debug/res/drawable-xhdpi/ic_stat_timetable.png b/app/src/debug/res/drawable-xhdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..8d9858292
Binary files /dev/null and b/app/src/debug/res/drawable-xhdpi/ic_stat_timetable.png differ
diff --git a/app/src/debug/res/drawable-xxhdpi/ic_stat_grade.png b/app/src/debug/res/drawable-xxhdpi/ic_stat_grade.png
new file mode 100644
index 000000000..13c26b772
Binary files /dev/null and b/app/src/debug/res/drawable-xxhdpi/ic_stat_grade.png differ
diff --git a/app/src/debug/res/drawable-xxhdpi/ic_stat_luckynumber.png b/app/src/debug/res/drawable-xxhdpi/ic_stat_luckynumber.png
new file mode 100644
index 000000000..da4357456
Binary files /dev/null and b/app/src/debug/res/drawable-xxhdpi/ic_stat_luckynumber.png differ
diff --git a/app/src/debug/res/drawable-xxhdpi/ic_stat_message.png b/app/src/debug/res/drawable-xxhdpi/ic_stat_message.png
new file mode 100644
index 000000000..9d0fa781c
Binary files /dev/null and b/app/src/debug/res/drawable-xxhdpi/ic_stat_message.png differ
diff --git a/app/src/debug/res/drawable-xxhdpi/ic_stat_note.png b/app/src/debug/res/drawable-xxhdpi/ic_stat_note.png
new file mode 100644
index 000000000..64da443fd
Binary files /dev/null and b/app/src/debug/res/drawable-xxhdpi/ic_stat_note.png differ
diff --git a/app/src/debug/res/drawable-xxhdpi/ic_stat_timetable.png b/app/src/debug/res/drawable-xxhdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..232108e87
Binary files /dev/null and b/app/src/debug/res/drawable-xxhdpi/ic_stat_timetable.png differ
diff --git a/app/src/debug/res/values-pl/strings.xml b/app/src/debug/res/values-pl/strings.xml
deleted file mode 100644
index c90641ddb..000000000
--- a/app/src/debug/res/values-pl/strings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">Wulkanowy DEV</string>
-</resources>
diff --git a/app/src/debug/res/values/preferences_defaults.xml b/app/src/debug/res/values/preferences_defaults.xml
new file mode 100644
index 000000000..f5a12464f
--- /dev/null
+++ b/app/src/debug/res/values/preferences_defaults.xml
@@ -0,0 +1,4 @@
+<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
+
+    <bool name="pref_default_notification_debug">true</bool>
+</resources>
diff --git a/app/src/debug/res/values/strings.xml b/app/src/debug/res/values/strings.xml
deleted file mode 100644
index c90641ddb..000000000
--- a/app/src/debug/res/values/strings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">Wulkanowy DEV</string>
-</resources>
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
new file mode 100644
index 000000000..3bf7e1693
--- /dev/null
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -0,0 +1,22 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+@Suppress("UNUSED_PARAMETER")
+class AnalyticsHelper @Inject constructor() {
+
+    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
+        // do nothing
+    }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        // do nothing
+    }
+
+    fun popCurrentScreen(name: String?) {
+        // do nothing
+    }
+}
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt
new file mode 100644
index 000000000..5d58270d4
--- /dev/null
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashLogUtils.kt
@@ -0,0 +1,13 @@
+@file:Suppress("UNUSED_PARAMETER")
+
+package io.github.wulkanowy.utils
+
+import timber.log.Timber
+
+open class TimberTreeNoOp : Timber.Tree() {
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {}
+}
+
+class CrashLogTree : TimberTreeNoOp()
+
+class CrashLogExceptionTree : TimberTreeNoOp()
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
deleted file mode 100644
index be4c0ebeb..000000000
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-@file:Suppress("UNUSED_PARAMETER")
-
-package io.github.wulkanowy.utils
-
-import android.content.Context
-import timber.log.Timber
-
-fun initCrashlytics(context: Context, appInfo: AppInfo) {
-    // do nothing
-}
-
-class CrashlyticsTree : Timber.Tree() {
-
-    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
-        // do nothing
-    }
-}
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
deleted file mode 100644
index 0b1274f15..000000000
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ /dev/null
@@ -1,13 +0,0 @@
-package io.github.wulkanowy.utils
-
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class FirebaseAnalyticsHelper @Inject constructor() {
-
-    @Suppress("UNUSED_PARAMETER")
-    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
-        // do nothing
-    }
-}
diff --git a/app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt b/app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt
new file mode 100644
index 000000000..3abab9629
--- /dev/null
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.view.View
+import javax.inject.Inject
+
+@Suppress("UNUSED_PARAMETER")
+class UpdateHelper @Inject constructor() {
+
+    lateinit var messageContainer: View
+
+    fun checkAndInstallUpdates(activity: Activity) {}
+
+    fun onActivityResult(requestCode: Int, resultCode: Int) {}
+
+    fun onResume(activity: Activity) {}
+}
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt b/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
new file mode 100644
index 000000000..5d33825f1
--- /dev/null
+++ b/app/src/hms/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -0,0 +1,39 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.content.Context
+import android.os.Bundle
+import com.huawei.hms.analytics.HiAnalytics
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AnalyticsHelper @Inject constructor(
+    @ApplicationContext private val context: Context
+) {
+
+    private val analytics by lazy { HiAnalytics.getInstance(context) }
+
+    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
+        Bundle().apply {
+            params.forEach {
+                if (it.second == null) return@forEach
+                when (it.second) {
+                    is String, is String? -> putString(it.first, it.second as String)
+                    is Int, is Int? -> putInt(it.first, it.second as Int)
+                    is Boolean, is Boolean? -> putBoolean(it.first, it.second as Boolean)
+                }
+            }
+            analytics.onEvent(name, this)
+        }
+    }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        analytics.pageStart(name, activity::class.simpleName)
+    }
+
+    fun popCurrentScreen(name: String?) {
+        analytics.pageEnd(name)
+    }
+}
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt b/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt
new file mode 100644
index 000000000..b5fb6ad71
--- /dev/null
+++ b/app/src/hms/java/io/github/wulkanowy/utils/CrashLogUtils.kt
@@ -0,0 +1,53 @@
+package io.github.wulkanowy.utils
+
+import android.util.Log
+import com.huawei.agconnect.crash.AGConnectCrash
+import fr.bipi.tressence.base.FormatterPriorityTree
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import java.io.InterruptedIOException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+
+class CrashLogTree : FormatterPriorityTree(Log.VERBOSE) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        connectCrash.log(format(priority, tag, message))
+    }
+}
+
+class CrashLogExceptionTree : FormatterPriorityTree(Log.ERROR) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun skipLog(priority: Int, tag: String?, message: String, t: Throwable?): Boolean {
+        return when (t) {
+            is FeatureDisabledException,
+            is FeatureNotAvailableException,
+            is UnknownHostException,
+            is SocketTimeoutException,
+            is InterruptedIOException -> true
+            else -> super.skipLog(priority, tag, message, t)
+        }
+    }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        // Disabled due to a bug in the Huawei library
+
+        /*connectCrash.setCustomKey("priority", priority)
+        connectCrash.setCustomKey("tag", tag.orEmpty())
+        connectCrash.setCustomKey("message", message)
+
+        if (t != null) {
+            connectCrash.recordException(t)
+        } else {
+            connectCrash.recordException(StackTraceRecorder(format(priority, tag, message)))
+        }*/
+    }
+}
diff --git a/app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt b/app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt
new file mode 100644
index 000000000..3abab9629
--- /dev/null
+++ b/app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.view.View
+import javax.inject.Inject
+
+@Suppress("UNUSED_PARAMETER")
+class UpdateHelper @Inject constructor() {
+
+    lateinit var messageContainer: View
+
+    fun checkAndInstallUpdates(activity: Activity) {}
+
+    fun onActivityResult(requestCode: Int, resultCode: Int) {}
+
+    fun onResume(activity: Activity) {}
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c644c8633..7b714fb26 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,6 +9,29 @@
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.VIBRATE" />
 
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="http" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="https" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="mailto" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="tel" />
+        </intent>
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="geo" />
+        </intent>
+    </queries>
+
     <application
         android:name=".WulkanowyApp"
         android:allowBackup="false"
@@ -22,7 +45,8 @@
         <activity
             android:name=".ui.modules.splash.SplashActivity"
             android:screenOrientation="portrait"
-            android:theme="@style/WulkanowyTheme.SplashScreen">
+            android:theme="@style/WulkanowyTheme.SplashScreen"
+            tools:ignore="LockedOrientationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -32,19 +56,20 @@
             android:name=".ui.modules.login.LoginActivity"
             android:configChanges="orientation|screenSize"
             android:label="@string/login_title"
-            android:theme="@style/WulkanowyTheme.NoActionBar"
+            android:theme="@style/WulkanowyTheme.Login"
             android:windowSoftInputMode="adjustResize" />
         <activity
             android:name=".ui.modules.main.MainActivity"
             android:configChanges="orientation|screenSize"
             android:label="@string/main_title"
-            android:theme="@style/WulkanowyTheme.NoActionBar" />
+            android:theme="@style/WulkanowyTheme.NoActionBar"
+            android:windowSoftInputMode="adjustPan" />
         <activity
             android:name=".ui.modules.message.send.SendMessageActivity"
             android:configChanges="orientation|screenSize"
             android:label="@string/send_message_title"
-            android:windowSoftInputMode="adjustResize"
-            android:theme="@style/WulkanowyTheme.NoActionBar" />
+            android:theme="@style/WulkanowyTheme.MessageSend"
+            android:windowSoftInputMode="adjustResize" />
         <activity
             android:name=".ui.modules.timetablewidget.TimetableWidgetConfigureActivity"
             android:excludeFromRecents="true"
@@ -90,17 +115,62 @@
                 android:resource="@xml/provider_widget_lucky_number" />
         </receiver>
 
+        <receiver android:name=".services.alarm.TimetableNotificationReceiver" />
+
         <provider
             android:name="androidx.work.impl.WorkManagerInitializer"
             android:authorities="${applicationId}.workmanager-init"
             android:exported="false"
             tools:node="remove" />
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>
+
         <meta-data
-            android:name="io.fabric.ApiKey"
-            android:value="${fabric_api_key}" />
+            android:name="install_channel"
+            android:value="${install_channel}" />
+
+        <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
+        <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
+        <provider
+            android:name="com.google.firebase.provider.FirebaseInitProvider"
+            android:authorities="${applicationId}.firebaseinitprovider"
+            android:enabled="${firebase_enabled}"
+            android:exported="false" />
+
+        <meta-data
+            android:name="firebase_analytics_collection_enabled"
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="google_analytics_adid_collection_enabled"
+            android:value="${firebase_enabled}" />
+
         <meta-data
             android:name="firebase_crashlytics_collection_enabled"
-            android:value="${crashlytics_enabled}" />
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="firebase_messaging_auto_init_enabled"
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="firebase_inapp_messaging_auto_data_collection_enabled"
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_icon"
+            android:resource="@drawable/ic_stat_push" />
+
+        <meta-data
+            android:name="com.google.firebase.messaging.default_notification_channel_id"
+            android:value="push_channel" />
     </application>
 </manifest>
diff --git a/app/src/main/assets/contributors.json b/app/src/main/assets/contributors.json
new file mode 100644
index 000000000..3b11c971c
--- /dev/null
+++ b/app/src/main/assets/contributors.json
@@ -0,0 +1,50 @@
+[
+  {
+    "displayName": "Mikołaj Pich",
+    "githubUsername": "mklkj"
+  },
+  {
+    "displayName": "Rafał Borcz",
+    "githubUsername": "Faierbel"
+  },
+  {
+    "displayName": "Dominik Korsa",
+    "githubUsername": "dominik-korsa"
+  },
+  {
+    "displayName": "Kacper Ziubryniewicz",
+    "githubUsername": "kapi2289"
+  },
+  {
+    "displayName": "doteq",
+    "githubUsername": "doteq"
+  },
+  {
+    "displayName": "Paweł Krzyś",
+    "githubUsername": "pavuloff"
+  },
+  {
+    "displayName": "Piotr Romanowski",
+    "githubUsername": "v0idzz"
+  },
+  {
+    "displayName": "Dinolek",
+    "githubUsername": "Dinolek"
+  },
+  {
+    "displayName": "Mateusz Idziejczak",
+    "githubUsername": "Luncenok"
+  },
+  {
+    "displayName": "MRmlik12",
+    "githubUsername": "MRmlik12"
+  },
+  {
+    "displayName": "Damian Czupryn",
+    "githubUsername": "Daxxxis"
+  },
+  {
+    "displayName": "Kamil Studziński",
+    "githubUsername": "studzinskik"
+  }
+]
diff --git a/app/src/main/assets/message-print-page.html b/app/src/main/assets/message-print-page.html
new file mode 100644
index 000000000..8da7dec6e
--- /dev/null
+++ b/app/src/main/assets/message-print-page.html
@@ -0,0 +1,94 @@
+<!doctype html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <title>%SUBJECT% | Wulkanowy</title>
+    <style>
+        @page {
+            margin: 2.5cm;
+            size: A4;
+        }
+
+        body {
+            margin: 0;
+            font-family: sans-serif;
+        }
+
+        .title {
+            line-height: 1.5;
+            letter-spacing: 1pt;
+            font-size: 24pt;
+            font-weight: 200;
+            margin: 0 0 0.5cm;
+        }
+
+        .info {
+            margin: 0.5cm 0;
+        }
+
+        .info div {
+            font-size: 14pt;
+            font-weight: 400;
+            margin: 0.5cm 0;
+        }
+
+        h4 {
+            font-weight: 200;
+            text-transform: uppercase;
+            letter-spacing: 1pt;
+            font-size: 10pt;
+            margin: 0;
+            margin-bottom: 0.25cm;
+            font-family: sans-serif;
+        }
+
+        .content {
+            margin-top: 0.5cm;
+            font-size: 14pt;
+            font-weight: 400;
+            text-align: justify;
+            font-family: serif;
+            line-height: 1.5;
+        }
+
+        .content p {
+            page-break-after: auto;
+            page-break-inside: auto;
+            margin-bottom: 0.6cm;
+        }
+
+        .footer {
+            font-size: 11pt;
+            font-weight: 200;
+            display: flex;
+            align-items: center;
+            color: rgba(0, 0, 0, 0.5)
+            margin: 0;
+            margin-bottom: 0.5cm;
+        }
+        
+        .footer .logo {
+            height: 0.5cm;
+            width: 0.5cm;
+            display: block;
+            margin-right: 0.2cm;
+        }
+    </style>
+</head>
+<body>
+<h1 class="title">%SUBJECT%</h1>
+<hr>
+<div class="info">
+    %INFO%
+</div>
+<div class="footer">
+    <img src="wulkanowy-logo-black.svg" class="logo">
+    Wulkanowy Dzienniczek
+</div>
+<hr>
+<div class="content">
+    <h4>Treść wiadomości</h4>
+    %CONTENT%
+</div>
+</body>
+</html>
diff --git a/app/src/main/assets/wulkanowy-logo-black.svg b/app/src/main/assets/wulkanowy-logo-black.svg
new file mode 100644
index 000000000..9bfbe2c02
--- /dev/null
+++ b/app/src/main/assets/wulkanowy-logo-black.svg
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 1024 1024"
+   xml:space="preserve"
+   width="1024"
+   height="1024"><metadata
+     id="metadata15"><rdf:RDF><cc:Work
+         rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title></dc:title></cc:Work></rdf:RDF></metadata><defs
+     id="defs13" /><style
+     type="text/css"
+     id="style2">
+	.st0{fill:#D32F2F;}
+	.st1{fill:#AD2A2A;}
+	.st2{fill:#FFFFFF;}
+</style><g
+     id="layer4"
+     style="display:none;fill:#808080"><rect
+       id="XMLID_57_"
+       x="0"
+       y="0"
+       class="st0"
+       width="3584"
+       height="1024"
+       style="display:inline;fill:#808080;stroke-width:1.02195609" /></g><g
+     id="layer3"
+     style="display:none;fill:#808080"><path
+       style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:341.33334351px;line-height:1.25;font-family:Roboto;-inkscape-font-specification:'Roboto Light';letter-spacing:0px;word-spacing:0px;display:inline;fill:#808080;fill-opacity:1;stroke:none"
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+       id="path18992" /><path
+       style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:341.33334351px;line-height:1.25;font-family:Roboto;-inkscape-font-specification:'Roboto Light';letter-spacing:0px;word-spacing:0px;display:inline;fill:#808080;fill-opacity:1;stroke:none"
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+       id="path18990" /><path
+       style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:341.33334351px;line-height:1.25;font-family:Roboto;-inkscape-font-specification:'Roboto Light';letter-spacing:0px;word-spacing:0px;display:inline;fill:#808080;fill-opacity:1;stroke:none"
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+       id="path18966" /><path
+       style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:341.33334351px;line-height:1.25;font-family:Roboto;-inkscape-font-specification:'Roboto Light';letter-spacing:0px;word-spacing:0px;display:inline;fill:#808080;fill-opacity:1;stroke:none"
+       d="M 2146.3164,390.66602 2054.4824,633.33398 2445.1484,1024 h 354.002 l -633.334,-633.33398 z"
+       id="path18982" /><path
+       style="display:inline;fill:#808080;stroke-width:0.78179646"
+       d="M 637.15234,214.95703 487.75,364.35742 466.01562,386.0918 c 0.31273,0.31271 0.54872,0.54666 0.70508,0.85937 0.0782,0.23454 0.23432,0.54671 0.3125,0.78125 0.31272,0.54726 0.47071,1.17339 0.47071,1.79883 0.0782,0.54726 -0.0799,1.01725 -0.31446,1.48633 -0.23454,0.54725 -0.70285,1.40597 -1.09375,1.79687 l 150.8086,149.71485 -23.68946,23.6875 -12.74414,-12.74219 -13.44726,-13.44727 -78.80469,-78.80664 -11.17969,-11.17968 -7.5039,-7.50391 -35.41602,-35.17969 -3.08984,-0.98047 -4.33594,4.26367 v 0.46876 c 0,7.34888 0.38998,15.00865 -1.48633,22.20117 -0.85998,3.28355 -2.34444,6.25595 -4.14258,8.91406 -0.15636,0.15636 -0.23627,0.23426 -0.31445,0.39062 -1.87631,2.57993 -4.06471,4.84619 -6.48828,6.95704 -5.3944,4.53442 -11.25752,8.67896 -17.27734,12.50976 -0.15637,0.0782 -0.23427,0.1562 -0.39063,0.23438 -2.11085,1.40723 -4.3012,2.7354 -6.49023,4.06445 -8.91248,5.39439 -18.37192,10.08772 -28.37891,13.13672 -1.25087,0.31272 -2.42317,-0.001 -3.36133,-0.70508 l -6.01953,5.94141 c 1.25087,0.62543 2.03136,1.87776 1.875,3.51953 -10e-6,0.15636 -0.0762,0.23231 -0.0762,0.38867 0,0.0782 -0.0781,0.23628 -0.0781,0.31445 -1.32905,4.45624 -2.34505,8.98897 -3.2832,13.60156 -0.15636,0.70363 -0.23622,1.33154 -0.39258,2.03516 -0.85997,4.37806 -1.64209,8.83288 -2.3457,13.21094 0.23453,5.3944 0.39263,11.0234 0.31445,16.65234 v 0.39258 c -0.0782,7.66161 -0.78373,15.32114 -2.8164,22.51367 -2.26721,8.28704 -6.64376,15.63728 -10.55274,23.22071 -0.0782,0.15636 -0.15815,0.23426 -0.23633,0.39062 -1.25088,2.42357 -2.49924,4.92399 -3.59375,7.50391 -4.84714,11.33605 -7.42749,23.92328 -10.55468,35.88476 -0.23454,0.70362 -0.39046,1.48578 -0.625,2.26758 0,0.15636 -0.0801,0.23427 -0.0801,0.39063 -2.97082,11.10151 -6.09819,22.28173 -10.94532,32.75781 -1.40724,2.97082 -2.81531,5.86322 -4.3789,8.75586 -0.15636,0.23454 -0.23231,0.46858 -0.38867,0.70312 -0.62544,1.09451 -1.25152,2.26871 -1.87696,3.44141 -0.0782,0.15636 -0.15619,0.23426 -0.23437,0.39062 -3.51809,6.25438 -7.27098,12.43118 -10.78906,18.68555 -5.0035,8.8343 -8.99075,18.13635 -13.83789,27.04883 -0.0782,0.15636 -0.1562,0.23426 -0.23438,0.39062 -0.70362,1.32905 -1.48579,2.65728 -2.26758,3.98633 -5.0035,8.20887 -10.63256,16.0279 -16.57422,23.61133 -0.15635,0.15636 -0.23426,0.3124 -0.39062,0.46875 -0.7818,1.01634 -1.48578,1.95443 -2.26758,2.89258 -3.90898,4.92532 -7.97378,9.85009 -11.96094,14.77539 -0.0782,0.15637 -0.23432,0.23622 -0.3125,0.39258 -8.75612,10.71061 -17.35628,21.49761 -24.54883,33.30273 0,0.70362 -0.15602,1.33159 -0.46874,1.95703 -1.25087,2.42357 -2.65734,4.68971 -3.90821,7.11328 -0.0782,0.15636 0.62511,1.24989 0.46875,1.40625 L 429.86133,1024 H 1463.0215 L 661.85547,222.92969 c -0.93816,2.11087 -5.23681,1.40935 -7.34766,-0.23242 -1.71995,-1.32906 -3.12603,-3.05147 -4.45508,-4.84961 -0.62544,-0.31271 -1.25168,-0.62288 -1.64257,-0.85743 -2.89265,-1.40723 -6.09933,-1.48632 -9.30469,-1.48632 -0.7818,-0.0782 -1.40588,-0.23416 -1.95313,-0.54688 z m -206.12304,191.41992 0.11914,-0.11523 -0.23438,0.0781 z"
+       id="XMLID_64_" /></g><g
+     id="layer2"
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+       style="fill:#000000;stroke-width:0.78179646;fill-opacity:0.49803922" /><g
+       aria-label="WULKANOWY"
+       style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:341.33334351px;line-height:1.25;font-family:Roboto;-inkscape-font-specification:'Roboto Light';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:0.49803922;stroke:none"
+       id="text4752" /></g></svg>
\ No newline at end of file
diff --git a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
index 72969059b..d01a953d8 100644
--- a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
+++ b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
@@ -1,33 +1,35 @@
 package io.github.wulkanowy
 
+import android.annotation.SuppressLint
+import android.app.Application
 import android.content.Context
+import android.util.Log.DEBUG
 import android.util.Log.INFO
 import android.util.Log.VERBOSE
+import android.webkit.WebView
+import androidx.fragment.app.FragmentManager
+import androidx.hilt.work.HiltWorkerFactory
 import androidx.multidex.MultiDex
 import androidx.work.Configuration
-import com.jakewharton.threetenabp.AndroidThreeTen
-import dagger.android.AndroidInjector
-import dagger.android.support.DaggerApplication
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.utils.Log
-import io.github.wulkanowy.di.DaggerAppComponent
-import io.github.wulkanowy.services.sync.SyncWorkerFactory
+import com.yariksoffice.lingver.Lingver
+import dagger.hilt.android.HiltAndroidApp
+import fr.bipi.tressence.file.FileLoggerTree
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.base.ThemeManager
 import io.github.wulkanowy.utils.ActivityLifecycleLogger
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.CrashlyticsTree
+import io.github.wulkanowy.utils.CrashLogExceptionTree
+import io.github.wulkanowy.utils.CrashLogTree
 import io.github.wulkanowy.utils.DebugLogTree
-import io.github.wulkanowy.utils.initCrashlytics
-import io.reactivex.exceptions.UndeliverableException
-import io.reactivex.plugins.RxJavaPlugins
 import timber.log.Timber
-import java.io.IOException
 import javax.inject.Inject
 
-class WulkanowyApp : DaggerApplication(), Configuration.Provider {
+@HiltAndroidApp
+class WulkanowyApp : Application(), Configuration.Provider {
 
     @Inject
-    lateinit var workerFactory: SyncWorkerFactory
+    lateinit var workerFactory: HiltWorkerFactory
 
     @Inject
     lateinit var themeManager: ThemeManager
@@ -35,41 +37,63 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
     @Inject
     lateinit var appInfo: AppInfo
 
+    @Inject
+    lateinit var preferencesRepository: PreferencesRepository
+
+    @Inject
+    lateinit var analyticsHelper: AnalyticsHelper
+
     override fun attachBaseContext(base: Context?) {
         super.attachBaseContext(base)
         MultiDex.install(this)
     }
 
+    @SuppressLint("UnsafeOptInUsageWarning")
     override fun onCreate() {
         super.onCreate()
-        AndroidThreeTen.init(this)
-        RxJavaPlugins.setErrorHandler(::onError)
+        FragmentManager.enableNewStateManager(false)
+        initializeAppLanguage()
         themeManager.applyDefaultTheme()
-
         initLogging()
-        initCrashlytics(this, appInfo)
+        fixWebViewLocale()
     }
 
     private fun initLogging() {
         if (appInfo.isDebug) {
             Timber.plant(DebugLogTree())
-            FlexibleAdapter.enableLogs(Log.Level.DEBUG)
+            Timber.plant(
+                FileLoggerTree.Builder()
+                    .withFileName("wulkanowy.%g.log")
+                    .withDirName(applicationContext.filesDir.absolutePath)
+                    .withFileLimit(10)
+                    .withMinPriority(DEBUG)
+                    .build()
+            )
         } else {
-            Timber.plant(CrashlyticsTree())
+            Timber.plant(CrashLogExceptionTree())
+            Timber.plant(CrashLogTree())
         }
         registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }
 
-    private fun onError(error: Throwable) {
-        //RxJava's too deep stack traces may cause SOE on older android devices
-        val cause = error.cause
-        if (error is UndeliverableException && cause is IOException || cause is InterruptedException || cause is StackOverflowError) {
-            Timber.e(cause, "An undeliverable error occurred")
-        } else throw error
+    private fun initializeAppLanguage() {
+        Lingver.init(this)
+
+        if (preferencesRepository.appLanguage == "system") {
+            Lingver.getInstance().setFollowSystemLocale(this)
+            analyticsHelper.logEvent("language", "startup" to appInfo.systemLanguage)
+        } else {
+            analyticsHelper.logEvent("language", "startup" to preferencesRepository.appLanguage)
+        }
     }
 
-    override fun applicationInjector(): AndroidInjector<out DaggerApplication> {
-        return DaggerAppComponent.factory().create(this)
+    private fun fixWebViewLocale() {
+        //https://stackoverflow.com/questions/40398528/android-webview-language-changes-abruptly-on-android-7-0-and-above
+        try {
+            WebView(this).destroy()
+        } catch (e: Exception) {
+            //Ignore exceptions
+        }
     }
 
     override fun getWorkManagerConfiguration() = Configuration.Builder()
diff --git a/app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt b/app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt
deleted file mode 100644
index b6eee316b..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-package io.github.wulkanowy.data
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Student
-import java.net.URL
-import javax.inject.Inject
-
-class ApiHelper @Inject constructor(private val api: Api) {
-
-    fun initApi(student: Student) {
-        api.apply {
-            email = student.email
-            password = student.password
-            symbol = student.symbol
-            schoolSymbol = student.schoolSymbol
-            studentId = student.studentId
-            classId = student.classId
-            host = URL(student.endpoint).run { host + ":$port".removeSuffix(":-1") }
-            ssl = student.endpoint.startsWith("https")
-            loginType = Api.LoginType.valueOf(student.loginType)
-            useNewStudent = true
-        }
-    }
-
-    fun initApi(email: String, password: String, symbol: String, endpoint: String) {
-        api.apply {
-            this.email = email
-            this.password = password
-            this.symbol = symbol
-            host = URL(endpoint).run { host + ":$port".removeSuffix(":-1") }
-            ssl = endpoint.startsWith("https")
-            useNewStudent = true
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt b/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
index 97da6bb8f..f61af4afd 100644
--- a/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
@@ -2,68 +2,80 @@ package io.github.wulkanowy.data
 
 import android.content.Context
 import android.content.SharedPreferences
+import android.content.res.AssetManager
 import android.content.res.Resources
 import androidx.preference.PreferenceManager
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.strategy.WalledGardenInternetObservingStrategy
-import com.readystatesoftware.chuck.api.ChuckCollector
-import com.readystatesoftware.chuck.api.ChuckInterceptor
-import com.readystatesoftware.chuck.api.RetentionManager
+import com.chuckerteam.chucker.api.ChuckerCollector
+import com.chuckerteam.chucker.api.ChuckerInterceptor
+import com.chuckerteam.chucker.api.RetentionManager
 import dagger.Module
 import dagger.Provides
-import io.github.wulkanowy.api.Api
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
 import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import okhttp3.logging.HttpLoggingInterceptor
-import okhttp3.logging.HttpLoggingInterceptor.Level.BASIC
-import okhttp3.logging.HttpLoggingInterceptor.Level.NONE
+import io.github.wulkanowy.data.db.SharedPrefProvider
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AppInfo
 import timber.log.Timber
 import javax.inject.Singleton
 
 @Module
+@InstallIn(SingletonComponent::class)
 internal class RepositoryModule {
 
     @Singleton
     @Provides
-    fun provideInternetObservingSettings(): InternetObservingSettings {
-        return InternetObservingSettings.builder()
-            .strategy(WalledGardenInternetObservingStrategy())
-            .build()
-    }
-
-    @Singleton
-    @Provides
-    fun provideApi(chuckCollector: ChuckCollector, context: Context): Api {
-        return Api().apply {
-            logLevel = NONE
+    fun provideSdk(chuckerCollector: ChuckerCollector, @ApplicationContext context: Context): Sdk {
+        return Sdk().apply {
             androidVersion = android.os.Build.VERSION.RELEASE
             buildTag = android.os.Build.MODEL
-            setInterceptor(HttpLoggingInterceptor(HttpLoggingInterceptor.Logger { Timber.d(it) }).setLevel(BASIC))
+            setSimpleHttpLogger { Timber.d(it) }
 
             // for debug only
-            setInterceptor(ChuckInterceptor(context, chuckCollector).maxContentLength(250000L), true, 0)
+            addInterceptor(
+                ChuckerInterceptor.Builder(context)
+                    .collector(chuckerCollector)
+                    .alwaysReadResponseBody(true)
+                    .build(), network = true
+            )
         }
     }
 
     @Singleton
     @Provides
-    fun provideChuckCollector(context: Context, prefRepository: PreferencesRepository): ChuckCollector {
-        return ChuckCollector(context)
-            .showNotification(prefRepository.isDebugNotificationEnable)
-            .retentionManager(RetentionManager(context, ChuckCollector.Period.ONE_HOUR))
+    fun provideChuckerCollector(
+        @ApplicationContext context: Context,
+        prefRepository: PreferencesRepository
+    ): ChuckerCollector {
+        return ChuckerCollector(
+            context = context,
+            showNotification = prefRepository.isDebugNotificationEnable,
+            retentionPeriod = RetentionManager.Period.ONE_HOUR
+        )
     }
 
     @Singleton
     @Provides
-    fun provideDatabase(context: Context) = AppDatabase.newInstance(context)
+    fun provideDatabase(
+        @ApplicationContext context: Context,
+        sharedPrefProvider: SharedPrefProvider,
+        appInfo: AppInfo
+    ) = AppDatabase.newInstance(context, sharedPrefProvider, appInfo)
 
     @Singleton
     @Provides
-    fun provideResources(context: Context): Resources = context.resources
+    fun provideResources(@ApplicationContext context: Context): Resources = context.resources
 
     @Singleton
     @Provides
-    fun provideSharedPref(context: Context): SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+    fun provideAssets(@ApplicationContext context: Context): AssetManager = context.assets
+
+    @Singleton
+    @Provides
+    fun provideSharedPref(@ApplicationContext context: Context): SharedPreferences =
+        PreferenceManager.getDefaultSharedPreferences(context)
 
     @Singleton
     @Provides
@@ -83,12 +95,25 @@ internal class RepositoryModule {
 
     @Singleton
     @Provides
-    fun provideGradeStatisticsDao(database: AppDatabase) = database.gradeStatistics
+    fun provideGradePartialStatisticsDao(database: AppDatabase) = database.gradePartialStatisticsDao
+
+    @Singleton
+    @Provides
+    fun provideGradeSemesterStatisticsDao(database: AppDatabase) =
+        database.gradeSemesterStatisticsDao
+
+    @Singleton
+    @Provides
+    fun provideGradePointsStatisticsDao(database: AppDatabase) = database.gradePointsStatisticsDao
 
     @Singleton
     @Provides
     fun provideMessagesDao(database: AppDatabase) = database.messagesDao
 
+    @Singleton
+    @Provides
+    fun provideMessageAttachmentsDao(database: AppDatabase) = database.messageAttachmentDao
+
     @Singleton
     @Provides
     fun provideExamDao(database: AppDatabase) = database.examsDao
@@ -136,4 +161,24 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideMobileDevicesDao(database: AppDatabase) = database.mobileDeviceDao
+
+    @Singleton
+    @Provides
+    fun provideTeacherDao(database: AppDatabase) = database.teacherDao
+
+    @Singleton
+    @Provides
+    fun provideSchoolInfoDao(database: AppDatabase) = database.schoolDao
+
+    @Singleton
+    @Provides
+    fun provideConferenceDao(database: AppDatabase) = database.conferenceDao
+
+    @Singleton
+    @Provides
+    fun provideTimetableAdditionalDao(database: AppDatabase) = database.timetableAdditionalDao
+
+    @Singleton
+    @Provides
+    fun provideStudentInfoDao(database: AppDatabase) = database.studentInfoDao
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/Resource.kt b/app/src/main/java/io/github/wulkanowy/data/Resource.kt
new file mode 100644
index 000000000..406440c83
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/Resource.kt
@@ -0,0 +1,23 @@
+package io.github.wulkanowy.data
+
+data class Resource<T>(val status: Status, val data: T?, val error: Throwable?) {
+    companion object {
+        fun <T> success(data: T?): Resource<T> {
+            return Resource(Status.SUCCESS, data, null)
+        }
+
+        fun <T> error(error: Throwable?, data: T? = null): Resource<T> {
+            return Resource(Status.ERROR, data, error)
+        }
+
+        fun <T> loading(data: T? = null): Resource<T> {
+            return Resource(Status.LOADING, data, null)
+        }
+    }
+}
+
+enum class Status {
+    LOADING,
+    SUCCESS,
+    ERROR
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt b/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
index a97a3042c..ac05695b8 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
@@ -9,53 +9,90 @@ import androidx.room.TypeConverters
 import io.github.wulkanowy.data.db.dao.AttendanceDao
 import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
 import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
+import io.github.wulkanowy.data.db.dao.ConferenceDao
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.db.dao.GradeDao
-import io.github.wulkanowy.data.db.dao.GradeStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradeSummaryDao
 import io.github.wulkanowy.data.db.dao.HomeworkDao
 import io.github.wulkanowy.data.db.dao.LuckyNumberDao
+import io.github.wulkanowy.data.db.dao.MessageAttachmentDao
 import io.github.wulkanowy.data.db.dao.MessagesDao
 import io.github.wulkanowy.data.db.dao.MobileDeviceDao
 import io.github.wulkanowy.data.db.dao.NoteDao
 import io.github.wulkanowy.data.db.dao.RecipientDao
 import io.github.wulkanowy.data.db.dao.ReportingUnitDao
+import io.github.wulkanowy.data.db.dao.SchoolDao
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
+import io.github.wulkanowy.data.db.dao.StudentInfoDao
 import io.github.wulkanowy.data.db.dao.SubjectDao
+import io.github.wulkanowy.data.db.dao.TeacherDao
+import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
 import io.github.wulkanowy.data.db.dao.TimetableDao
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.data.db.entities.Conference
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import io.github.wulkanowy.data.db.entities.GradePointsStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageAttachment
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Recipient
 import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.School
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentInfo
 import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.data.db.entities.Teacher
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
 import io.github.wulkanowy.data.db.migrations.Migration10
 import io.github.wulkanowy.data.db.migrations.Migration11
 import io.github.wulkanowy.data.db.migrations.Migration12
 import io.github.wulkanowy.data.db.migrations.Migration13
 import io.github.wulkanowy.data.db.migrations.Migration14
 import io.github.wulkanowy.data.db.migrations.Migration15
+import io.github.wulkanowy.data.db.migrations.Migration16
+import io.github.wulkanowy.data.db.migrations.Migration17
+import io.github.wulkanowy.data.db.migrations.Migration18
+import io.github.wulkanowy.data.db.migrations.Migration19
 import io.github.wulkanowy.data.db.migrations.Migration2
+import io.github.wulkanowy.data.db.migrations.Migration20
+import io.github.wulkanowy.data.db.migrations.Migration21
+import io.github.wulkanowy.data.db.migrations.Migration22
+import io.github.wulkanowy.data.db.migrations.Migration23
+import io.github.wulkanowy.data.db.migrations.Migration24
+import io.github.wulkanowy.data.db.migrations.Migration25
+import io.github.wulkanowy.data.db.migrations.Migration26
+import io.github.wulkanowy.data.db.migrations.Migration27
+import io.github.wulkanowy.data.db.migrations.Migration28
+import io.github.wulkanowy.data.db.migrations.Migration29
 import io.github.wulkanowy.data.db.migrations.Migration3
+import io.github.wulkanowy.data.db.migrations.Migration30
+import io.github.wulkanowy.data.db.migrations.Migration31
+import io.github.wulkanowy.data.db.migrations.Migration32
+import io.github.wulkanowy.data.db.migrations.Migration33
+import io.github.wulkanowy.data.db.migrations.Migration34
+import io.github.wulkanowy.data.db.migrations.Migration35
 import io.github.wulkanowy.data.db.migrations.Migration4
 import io.github.wulkanowy.data.db.migrations.Migration5
 import io.github.wulkanowy.data.db.migrations.Migration6
 import io.github.wulkanowy.data.db.migrations.Migration7
 import io.github.wulkanowy.data.db.migrations.Migration8
 import io.github.wulkanowy.data.db.migrations.Migration9
+import io.github.wulkanowy.utils.AppInfo
 import javax.inject.Singleton
 
 @Singleton
@@ -69,8 +106,11 @@ import javax.inject.Singleton
         AttendanceSummary::class,
         Grade::class,
         GradeSummary::class,
-        GradeStatistics::class,
+        GradePartialStatistics::class,
+        GradePointsStatistics::class,
+        GradeSemesterStatistics::class,
         Message::class,
+        MessageAttachment::class,
         Note::class,
         Homework::class,
         Subject::class,
@@ -78,7 +118,12 @@ import javax.inject.Singleton
         CompletedLesson::class,
         ReportingUnit::class,
         Recipient::class,
-        MobileDevice::class
+        MobileDevice::class,
+        Teacher::class,
+        School::class,
+        Conference::class,
+        TimetableAdditional::class,
+        StudentInfo::class,
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -87,31 +132,55 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 15
+        const val VERSION_SCHEMA = 35
 
-        fun newInstance(context: Context): AppDatabase {
-            return Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
-                .setJournalMode(TRUNCATE)
-                .fallbackToDestructiveMigrationFrom(VERSION_SCHEMA + 1)
-                .fallbackToDestructiveMigrationOnDowngrade()
-                .addMigrations(
-                    Migration2(),
-                    Migration3(),
-                    Migration4(),
-                    Migration5(),
-                    Migration6(),
-                    Migration7(),
-                    Migration8(),
-                    Migration9(),
-                    Migration10(),
-                    Migration11(),
-                    Migration12(),
-                    Migration13(),
-                    Migration14(),
-                    Migration15()
-                )
-                .build()
-        }
+        fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
+            Migration2(),
+            Migration3(),
+            Migration4(),
+            Migration5(),
+            Migration6(),
+            Migration7(),
+            Migration8(),
+            Migration9(),
+            Migration10(),
+            Migration11(),
+            Migration12(),
+            Migration13(),
+            Migration14(),
+            Migration15(),
+            Migration16(),
+            Migration17(),
+            Migration18(),
+            Migration19(sharedPrefProvider),
+            Migration20(),
+            Migration21(),
+            Migration22(),
+            Migration23(),
+            Migration24(),
+            Migration25(),
+            Migration26(),
+            Migration27(),
+            Migration28(),
+            Migration29(),
+            Migration30(),
+            Migration31(),
+            Migration32(),
+            Migration33(),
+            Migration34(),
+            Migration35(appInfo)
+        )
+
+        fun newInstance(
+            context: Context,
+            sharedPrefProvider: SharedPrefProvider,
+            appInfo: AppInfo
+        ) = Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
+            .setJournalMode(TRUNCATE)
+            .fallbackToDestructiveMigrationFrom(VERSION_SCHEMA + 1)
+            .fallbackToDestructiveMigrationOnDowngrade()
+            .addMigrations(*getMigrations(sharedPrefProvider, appInfo))
+            .build()
     }
 
     abstract val studentDao: StudentDao
@@ -130,10 +199,16 @@ abstract class AppDatabase : RoomDatabase() {
 
     abstract val gradeSummaryDao: GradeSummaryDao
 
-    abstract val gradeStatistics: GradeStatisticsDao
+    abstract val gradePartialStatisticsDao: GradePartialStatisticsDao
+
+    abstract val gradePointsStatisticsDao: GradePointsStatisticsDao
+
+    abstract val gradeSemesterStatisticsDao: GradeSemesterStatisticsDao
 
     abstract val messagesDao: MessagesDao
 
+    abstract val messageAttachmentDao: MessageAttachmentDao
+
     abstract val noteDao: NoteDao
 
     abstract val homeworkDao: HomeworkDao
@@ -149,4 +224,14 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val recipientDao: RecipientDao
 
     abstract val mobileDeviceDao: MobileDeviceDao
+
+    abstract val teacherDao: TeacherDao
+
+    abstract val schoolDao: SchoolDao
+
+    abstract val conferenceDao: ConferenceDao
+
+    abstract val timetableAdditionalDao: TimetableAdditionalDao
+
+    abstract val studentInfoDao: StudentInfoDao
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt b/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt
index 73a04d236..def0b3715 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt
@@ -1,21 +1,31 @@
 package io.github.wulkanowy.data.db
 
 import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
-import org.threeten.bp.DateTimeUtils
-import org.threeten.bp.Instant
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDateTime
-import org.threeten.bp.Month
-import org.threeten.bp.ZoneOffset
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import io.github.wulkanowy.data.db.adapters.PairAdapterFactory
+import java.time.Instant
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.Month
+import java.time.ZoneOffset
 import java.util.Date
 
 class Converters {
 
+    private val moshi by lazy { Moshi.Builder().add(PairAdapterFactory).build() }
+
+    private val integerListAdapter by lazy {
+        moshi.adapter<List<Int>>(Types.newParameterizedType(List::class.java, Integer::class.java))
+    }
+
+    private val stringListPairAdapter by lazy {
+        moshi.adapter<List<Pair<String, String>>>(Types.newParameterizedType(List::class.java, Pair::class.java, String::class.java, String::class.java))
+    }
+
     @TypeConverter
     fun timestampToDate(value: Long?): LocalDate? = value?.run {
-        DateTimeUtils.toInstant(Date(value)).atZone(ZoneOffset.UTC).toLocalDate()
+        Date(value).toInstant().atZone(ZoneOffset.UTC).toLocalDate()
     }
 
     @TypeConverter
@@ -40,12 +50,22 @@ class Converters {
     fun intToMonth(value: Int?) = value?.let { Month.of(it) }
 
     @TypeConverter
-    fun intListToGson(list: List<Int>): String {
-        return Gson().toJson(list)
+    fun intListToJson(list: List<Int>): String {
+        return integerListAdapter.toJson(list)
     }
 
     @TypeConverter
-    fun gsonToIntList(value: String): List<Int> {
-        return Gson().fromJson(value, object : TypeToken<List<Int>>() {}.type)
+    fun jsonToIntList(value: String): List<Int> {
+        return integerListAdapter.fromJson(value).orEmpty()
+    }
+
+    @TypeConverter
+    fun stringPairListToJson(list: List<Pair<String, String>>): String {
+        return stringListPairAdapter.toJson(list)
+    }
+
+    @TypeConverter
+    fun jsonToStringPairList(value: String): List<Pair<String, String>> {
+        return stringListPairAdapter.fromJson(value).orEmpty()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt b/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
index a6d0a067e..9301d5fa9 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
@@ -6,7 +6,13 @@ import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class SharedPrefProvider @Inject constructor(private val sharedPref: SharedPreferences) {
+class SharedPrefProvider @Inject constructor(
+    private val sharedPref: SharedPreferences
+) {
+
+    companion object {
+        const val APP_VERSION_CODE_KEY = "app_version_code"
+    }
 
     fun putLong(key: String, value: Long, sync: Boolean = false) {
         sharedPref.edit(sync) { putLong(key, value) }
@@ -14,6 +20,12 @@ class SharedPrefProvider @Inject constructor(private val sharedPref: SharedPrefe
 
     fun getLong(key: String, defaultValue: Long) = sharedPref.getLong(key, defaultValue)
 
+    fun getString(key: String, defaultValue: String): String = sharedPref.getString(key, defaultValue) ?: defaultValue
+
+    fun putString(key: String, value: String, sync: Boolean = false) {
+        sharedPref.edit(sync) { putString(key, value) }
+    }
+
     fun delete(key: String) {
         sharedPref.edit().remove(key).apply()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/adapters/PairAdapterFactory.kt b/app/src/main/java/io/github/wulkanowy/data/db/adapters/PairAdapterFactory.kt
new file mode 100644
index 000000000..4a9b168dd
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/adapters/PairAdapterFactory.kt
@@ -0,0 +1,68 @@
+package io.github.wulkanowy.data.db.adapters
+
+import com.squareup.moshi.JsonAdapter
+import com.squareup.moshi.JsonReader
+import com.squareup.moshi.JsonWriter
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import java.lang.reflect.ParameterizedType
+import java.lang.reflect.Type
+
+object PairAdapterFactory : JsonAdapter.Factory {
+
+    override fun create(type: Type, annotations: MutableSet<out Annotation>, moshi: Moshi): JsonAdapter<*>? {
+        if (type !is ParameterizedType || List::class.java != type.rawType) return null
+        if (type.actualTypeArguments[0] != Pair::class.java) return null
+
+        val listType = Types.newParameterizedType(List::class.java, Map::class.java, String::class.java)
+        val listAdapter = moshi.adapter<List<Map<String, String>>>(listType)
+
+        val mapType = Types.newParameterizedType(MutableMap::class.java, String::class.java, String::class.java)
+        val mapAdapter = moshi.adapter<Map<String, String>>(mapType)
+
+        return PairAdapter(listAdapter, mapAdapter)
+    }
+
+    private class PairAdapter(
+        private val listAdapter: JsonAdapter<List<Map<String, String>>>,
+        private val mapAdapter: JsonAdapter<Map<String, String>>,
+    ) : JsonAdapter<List<Pair<String, String>>>() {
+
+        override fun toJson(writer: JsonWriter, value: List<Pair<String, String>>?) {
+            writer.beginArray()
+            value?.forEach {
+                writer.beginObject()
+                writer.name("first").value(it.first)
+                writer.name("second").value(it.second)
+                writer.endObject()
+            }
+            writer.endArray()
+        }
+
+        override fun fromJson(reader: JsonReader): List<Pair<String, String>>? {
+            return if (reader.peek() == JsonReader.Token.BEGIN_OBJECT) deserializeMoshiMap(reader)
+            else deserializeGsonPair(reader)
+        }
+
+        // for compatibility with 0.21.0
+        private fun deserializeMoshiMap(reader: JsonReader): List<Pair<String, String>>? {
+            val map = mapAdapter.fromJson(reader) ?: return null
+
+            return map.entries.map {
+                it.key to it.value
+            }
+        }
+
+        private fun deserializeGsonPair(reader: JsonReader): List<Pair<String, String>>? {
+            val list = listAdapter.fromJson(reader) ?: return null
+
+            return list.map {
+                require(it.size == 2) {
+                    "pair with more or less than two elements: $list"
+                }
+
+                it["first"].orEmpty() to it["second"].orEmpty()
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt
index d3c4f146f..8ef3fd446 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt
@@ -1,24 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Attendance
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface AttendanceDao {
-
-    @Insert
-    fun insertAll(exams: List<Attendance>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Attendance>)
+interface AttendanceDao : BaseDao<Attendance> {
 
     @Query("SELECT * FROM Attendance WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Attendance>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<Attendance>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceSummaryDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceSummaryDao.kt
index a7413de56..4218855ca 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceSummaryDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceSummaryDao.kt
@@ -1,21 +1,13 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 
 @Dao
-interface AttendanceSummaryDao {
-
-    @Insert
-    fun insertAll(exams: List<AttendanceSummary>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<AttendanceSummary>)
+interface AttendanceSummaryDao : BaseDao<AttendanceSummary> {
 
     @Query("SELECT * FROM AttendanceSummary WHERE diary_id = :diaryId AND student_id = :studentId AND subject_id = :subjectId")
-    fun loadAll(diaryId: Int, studentId: Int, subjectId: Int): Maybe<List<AttendanceSummary>>
+    fun loadAll(diaryId: Int, studentId: Int, subjectId: Int): Flow<List<AttendanceSummary>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/BaseDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/BaseDao.kt
new file mode 100644
index 000000000..048e9e3cd
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/BaseDao.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Update
+
+interface BaseDao<T> {
+
+    @Insert
+    suspend fun insertAll(items: List<T>): List<Long>
+
+    @Update
+    suspend fun updateAll(items: List<T>)
+
+    @Delete
+    suspend fun deleteAll(items: List<T>)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/CompletedLessonsDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/CompletedLessonsDao.kt
index 6816ceaaf..097ad7c81 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/CompletedLessonsDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/CompletedLessonsDao.kt
@@ -1,24 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface CompletedLessonsDao {
-
-    @Insert
-    fun insertAll(exams: List<CompletedLesson>)
-
-    @Delete
-    fun deleteAll(exams: List<CompletedLesson>)
+interface CompletedLessonsDao : BaseDao<CompletedLesson> {
 
     @Query("SELECT * FROM CompletedLesson WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<CompletedLesson>>
+    fun loadAll(studentId: Int, diaryId: Int, from: LocalDate, end: LocalDate): Flow<List<CompletedLesson>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/ConferenceDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/ConferenceDao.kt
new file mode 100644
index 000000000..4ed9aecf5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/ConferenceDao.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.Conference
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Dao
+@Singleton
+interface ConferenceDao : BaseDao<Conference> {
+
+    @Query("SELECT * FROM Conferences WHERE diary_id = :diaryId AND student_id = :studentId")
+    fun loadAll(diaryId: Int, studentId: Int): Flow<List<Conference>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/ExamDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/ExamDao.kt
index 06cd56135..311eeb9c5 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/ExamDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/ExamDao.kt
@@ -1,24 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Exam
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface ExamDao {
-
-    @Insert
-    fun insertAll(exams: List<Exam>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Exam>)
+interface ExamDao : BaseDao<Exam> {
 
     @Query("SELECT * FROM Exams WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Exam>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<Exam>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt
index 0bd210b02..12e70bde6 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt
@@ -1,28 +1,15 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Grade
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradeDao {
-
-    @Insert
-    fun insertAll(grades: List<Grade>)
-
-    @Update
-    fun updateAll(grade: List<Grade>)
-
-    @Delete
-    fun deleteAll(grades: List<Grade>)
+interface GradeDao : BaseDao<Grade> {
 
     @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId")
-    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Grade>>
-
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<Grade>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePartialStatisticsDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePartialStatisticsDao.kt
new file mode 100644
index 000000000..bce6ce572
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePartialStatisticsDao.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface GradePartialStatisticsDao : BaseDao<GradePartialStatistics> {
+
+    @Query("SELECT * FROM GradePartialStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradePartialStatistics>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePointsStatisticsDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePointsStatisticsDao.kt
new file mode 100644
index 000000000..e8074f003
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradePointsStatisticsDao.kt
@@ -0,0 +1,18 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.GradePointsStatistics
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Singleton
+@Dao
+interface GradePointsStatisticsDao : BaseDao<GradePointsStatistics> {
+
+    @Query("SELECT * FROM GradesPointsStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND subject = :subjectName")
+    fun loadSubject(semesterId: Int, studentId: Int, subjectName: String): Flow<List<GradePointsStatistics>>
+
+    @Query("SELECT * FROM GradesPointsStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradePointsStatistics>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSemesterStatisticsDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSemesterStatisticsDao.kt
new file mode 100644
index 000000000..09ae81714
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSemesterStatisticsDao.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface GradeSemesterStatisticsDao : BaseDao<GradeSemesterStatistics> {
+
+    @Query("SELECT * FROM GradeSemesterStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradeSemesterStatistics>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeStatisticsDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeStatisticsDao.kt
deleted file mode 100644
index 338c369fa..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeStatisticsDao.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.reactivex.Maybe
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface GradeStatisticsDao {
-
-    @Insert
-    fun insertAll(gradesStatistics: List<GradeStatistics>)
-
-    @Delete
-    fun deleteAll(gradesStatistics: List<GradeStatistics>)
-
-    @Query("SELECT * FROM GradesStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND subject = :subjectName AND is_semester = :isSemester")
-    fun loadSubject(semesterId: Int, studentId: Int, subjectName: String, isSemester: Boolean): Maybe<List<GradeStatistics>>
-
-    @Query("SELECT * FROM GradesStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND is_semester = :isSemester")
-    fun loadAll(semesterId: Int, studentId: Int, isSemester: Boolean): Maybe<List<GradeStatistics>>
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSummaryDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSummaryDao.kt
index 3f2e87bd0..fc9ad66ed 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSummaryDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/GradeSummaryDao.kt
@@ -1,23 +1,15 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradeSummaryDao {
-
-    @Insert
-    fun insertAll(gradesSummary: List<GradeSummary>)
-
-    @Delete
-    fun deleteAll(gradesSummary: List<GradeSummary>)
+interface GradeSummaryDao : BaseDao<GradeSummary> {
 
     @Query("SELECT * FROM GradesSummary WHERE student_id = :studentId AND semester_id = :semesterId")
-    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<GradeSummary>>
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradeSummary>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/HomeworkDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/HomeworkDao.kt
index 253bdb11f..2092de49d 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/HomeworkDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/HomeworkDao.kt
@@ -1,24 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Homework
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface HomeworkDao {
-
-    @Insert
-    fun insertAll(homework: List<Homework>)
-
-    @Delete
-    fun deleteAll(homework: List<Homework>)
+interface HomeworkDao : BaseDao<Homework> {
 
     @Query("SELECT * FROM Homework WHERE semester_id = :semesterId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun loadAll(semesterId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Homework>>
+    fun loadAll(semesterId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<Homework>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/LuckyNumberDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/LuckyNumberDao.kt
index afd7905c0..d9aa24364 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/LuckyNumberDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/LuckyNumberDao.kt
@@ -1,29 +1,19 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface LuckyNumberDao {
-
-    @Insert
-    fun insert(luckyNumber: LuckyNumber)
-
-    @Update
-    fun update(luckyNumber: LuckyNumber)
-
-    @Delete
-    fun delete(luckyNumber: LuckyNumber)
+interface LuckyNumberDao : BaseDao<LuckyNumber> {
 
     @Query("SELECT * FROM LuckyNumbers WHERE student_id = :studentId AND date = :date")
-    fun load(studentId: Int, date: LocalDate): Maybe<LuckyNumber>
+    fun load(studentId: Int, date: LocalDate): Flow<LuckyNumber?>
 
+    @Query("SELECT * FROM LuckyNumbers WHERE student_id = :studentId AND date >= :start AND date <= :end")
+    fun getAll(studentId: Int, start: LocalDate, end: LocalDate): Flow<List<LuckyNumber>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/MessageAttachmentDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/MessageAttachmentDao.kt
new file mode 100644
index 000000000..b69083a1a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/MessageAttachmentDao.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import io.github.wulkanowy.data.db.entities.MessageAttachment
+
+@Dao
+interface MessageAttachmentDao : BaseDao<MessageAttachment> {
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertAttachments(items: List<MessageAttachment>): List<Long>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/MessagesDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/MessagesDao.kt
index 4f72c6c91..729ba6a68 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/MessagesDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/MessagesDao.kt
@@ -1,31 +1,19 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
+import androidx.room.Transaction
 import io.github.wulkanowy.data.db.entities.Message
-import io.reactivex.Maybe
+import io.github.wulkanowy.data.db.entities.MessageWithAttachment
+import kotlinx.coroutines.flow.Flow
 
 @Dao
-interface MessagesDao {
+interface MessagesDao : BaseDao<Message> {
 
-    @Insert
-    fun insertAll(messages: List<Message>)
+    @Transaction
+    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND message_id = :messageId")
+    fun loadMessageWithAttachment(studentId: Int, messageId: Int): Flow<MessageWithAttachment?>
 
-    @Delete
-    fun deleteAll(messages: List<Message>)
-
-    @Update
-    fun updateAll(messages: List<Message>)
-
-    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND folder_id = :folder AND removed = 0 ORDER BY date DESC")
-    fun loadAll(studentId: Int, folder: Int): Maybe<List<Message>>
-
-    @Query("SELECT * FROM Messages WHERE id = :id")
-    fun load(id: Long): Maybe<Message>
-
-    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND removed = 1 ORDER BY date DESC")
-    fun loadDeleted(studentId: Int): Maybe<List<Message>>
+    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND folder_id = :folder ORDER BY date DESC")
+    fun loadAll(studentId: Int, folder: Int): Flow<List<Message>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt
index d6b97f6ad..081e859a5 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/MobileDeviceDao.kt
@@ -1,21 +1,13 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 
 @Dao
-interface MobileDeviceDao {
+interface MobileDeviceDao : BaseDao<MobileDevice> {
 
-    @Insert
-    fun insertAll(devices: List<MobileDevice>)
-
-    @Delete
-    fun deleteAll(devices: List<MobileDevice>)
-
-    @Query("SELECT * FROM MobileDevices WHERE student_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Maybe<List<MobileDevice>>
+    @Query("SELECT * FROM MobileDevices WHERE student_id = :userLoginId ORDER BY date DESC")
+    fun loadAll(userLoginId: Int): Flow<List<MobileDevice>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt
index 867e06a25..e89a4135a 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt
@@ -1,28 +1,15 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Note
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface NoteDao {
-
-    @Insert
-    fun insertAll(notes: List<Note>)
-
-    @Update
-    fun updateAll(notes: List<Note>)
-
-    @Delete
-    fun deleteAll(notes: List<Note>)
+interface NoteDao : BaseDao<Note> {
 
     @Query("SELECT * FROM Notes WHERE student_id = :studentId")
-    fun loadAll(studentId: Int): Maybe<List<Note>>
-
+    fun loadAll(studentId: Int): Flow<List<Note>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/RecipientDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/RecipientDao.kt
index 7c5fd6ca6..c2787ac3b 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/RecipientDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/RecipientDao.kt
@@ -1,23 +1,14 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Recipient
-import io.reactivex.Maybe
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface RecipientDao {
+interface RecipientDao : BaseDao<Recipient> {
 
-    @Insert
-    fun insertAll(messages: List<Recipient>)
-
-    @Delete
-    fun deleteAll(messages: List<Recipient>)
-
-    @Query("SELECT * FROM Recipients WHERE student_id = :studentId AND role = :role AND unit_id = :unitId")
-    fun load(studentId: Int, role: Int, unitId: Int): Maybe<List<Recipient>>
+    @Query("SELECT * FROM Recipients WHERE student_id = :studentId AND unit_id = :unitId AND role = :role")
+    suspend fun loadAll(studentId: Int, unitId: Int, role: Int): List<Recipient>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/ReportingUnitDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/ReportingUnitDao.kt
index 1898390a9..ca697eda8 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/ReportingUnitDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/ReportingUnitDao.kt
@@ -1,26 +1,17 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.reactivex.Maybe
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface ReportingUnitDao {
-
-    @Insert
-    fun insertAll(reportingUnits: List<ReportingUnit>)
-
-    @Delete
-    fun deleteAll(reportingUnits: List<ReportingUnit>)
+interface ReportingUnitDao : BaseDao<ReportingUnit> {
 
     @Query("SELECT * FROM ReportingUnits WHERE student_id = :studentId")
-    fun load(studentId: Int): Maybe<List<ReportingUnit>>
+    suspend fun load(studentId: Int): List<ReportingUnit>
 
     @Query("SELECT * FROM ReportingUnits WHERE student_id = :studentId AND real_id = :unitId")
-    fun loadOne(studentId: Int, unitId: Int): Maybe<ReportingUnit>
+    suspend fun loadOne(studentId: Int, unitId: Int): ReportingUnit?
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/SchoolDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/SchoolDao.kt
new file mode 100644
index 000000000..f39791f63
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/SchoolDao.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.School
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Singleton
+@Dao
+interface SchoolDao : BaseDao<School> {
+
+    @Query("SELECT * FROM School WHERE student_id = :studentId AND class_id = :classId")
+    fun load(studentId: Int, classId: Int): Flow<School?>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt
index 01841fb67..4d171907c 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/SemesterDao.kt
@@ -1,23 +1,19 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
 import androidx.room.Insert
+import androidx.room.OnConflictStrategy
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface SemesterDao {
+interface SemesterDao : BaseDao<Semester> {
 
-    @Insert
-    fun insertAll(semester: List<Semester>)
-
-    @Delete
-    fun deleteAll(semester: List<Semester>)
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insertSemesters(items: List<Semester>): List<Long>
 
     @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
-    fun loadAll(studentId: Int, classId: Int): Maybe<List<Semester>>
+    suspend fun loadAll(studentId: Int, classId: Int): List<Semester>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
index 57bf25fb8..0ad2ee590 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentDao.kt
@@ -5,8 +5,11 @@ import androidx.room.Delete
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy.ABORT
 import androidx.room.Query
+import androidx.room.Transaction
+import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
+import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import javax.inject.Singleton
 
 @Singleton
@@ -14,20 +17,30 @@ import javax.inject.Singleton
 interface StudentDao {
 
     @Insert(onConflict = ABORT)
-    fun insertAll(student: List<Student>): List<Long>
+    suspend fun insertAll(student: List<Student>): List<Long>
 
     @Delete
-    fun delete(student: Student)
+    suspend fun delete(student: Student)
+
+    @Update(entity = Student::class)
+    suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
 
     @Query("SELECT * FROM Students WHERE is_current = 1")
-    fun loadCurrent(): Maybe<Student>
+    suspend fun loadCurrent(): Student?
+
+    @Query("SELECT * FROM Students WHERE id = :id")
+    suspend fun loadById(id: Long): Student?
 
     @Query("SELECT * FROM Students")
-    fun loadAll(): Maybe<List<Student>>
+    suspend fun loadAll(): List<Student>
+
+    @Transaction
+    @Query("SELECT * FROM Students")
+    suspend fun loadStudentsWithSemesters(): List<StudentWithSemesters>
 
     @Query("UPDATE Students SET is_current = 1 WHERE id = :id")
-    fun updateCurrent(id: Long)
+    suspend fun updateCurrent(id: Long)
 
     @Query("UPDATE Students SET is_current = 0")
-    fun resetCurrent()
+    suspend fun resetCurrent()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentInfoDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentInfoDao.kt
new file mode 100644
index 000000000..5ec86af12
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/StudentInfoDao.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.StudentInfo
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Singleton
+@Dao
+interface StudentInfoDao : BaseDao<StudentInfo> {
+
+    @Query("SELECT * FROM StudentInfo WHERE student_id = :studentId")
+    fun loadStudentInfo(studentId: Int): Flow<StudentInfo?>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/SubjectDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/SubjectDao.kt
index 725a371ab..4cd742b56 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/SubjectDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/SubjectDao.kt
@@ -1,21 +1,13 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Subject
-import io.reactivex.Maybe
+import kotlinx.coroutines.flow.Flow
 
 @Dao
-interface SubjectDao {
-
-    @Insert
-    fun insertAll(subjects: List<Subject>): List<Long>
-
-    @Delete
-    fun deleteAll(subjects: List<Subject>)
+interface SubjectDao : BaseDao<Subject> {
 
     @Query("SELECT * FROM Subjects WHERE diary_id = :diaryId AND student_id = :studentId")
-    fun loadAll(diaryId: Int, studentId: Int): Maybe<List<Subject>>
+    fun loadAll(diaryId: Int, studentId: Int): Flow<List<Subject>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/TeacherDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/TeacherDao.kt
new file mode 100644
index 000000000..6adac220d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/TeacherDao.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.Teacher
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Singleton
+@Dao
+interface TeacherDao : BaseDao<Teacher> {
+
+    @Query("SELECT * FROM Teachers WHERE student_id = :studentId AND class_id = :classId")
+    fun loadAll(studentId: Int, classId: Int): Flow<List<Teacher>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableAdditionalDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableAdditionalDao.kt
new file mode 100644
index 000000000..335e003e1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableAdditionalDao.kt
@@ -0,0 +1,16 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
+import javax.inject.Singleton
+
+@Dao
+@Singleton
+interface TimetableAdditionalDao : BaseDao<TimetableAdditional> {
+
+    @Query("SELECT * FROM TimetableAdditional WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<TimetableAdditional>>
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableDao.kt b/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableDao.kt
index abe213618..5e6eec668 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableDao.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/dao/TimetableDao.kt
@@ -1,24 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Timetable
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.flow.Flow
+import java.time.LocalDate
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface TimetableDao {
-
-    @Insert
-    fun insertAll(exams: List<Timetable>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Timetable>)
+interface TimetableDao : BaseDao<Timetable> {
 
     @Query("SELECT * FROM Timetable WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
-    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Timetable>>
+    fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Flow<List<Timetable>>
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Attendance.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Attendance.kt
index 3c58971ae..f141d5d52 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Attendance.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Attendance.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Attendance")
 data class Attendance(
@@ -15,6 +15,9 @@ data class Attendance(
     @ColumnInfo(name = "diary_id")
     val diaryId: Int,
 
+    @ColumnInfo(name = "time_id")
+    val timeId: Int,
+
     val date: LocalDate,
 
     val number: Int,
@@ -33,7 +36,13 @@ data class Attendance(
 
     val excused: Boolean,
 
-    val deleted: Boolean
+    val deleted: Boolean,
+
+    val excusable: Boolean,
+
+    @ColumnInfo(name = "excuse_status")
+    val excuseStatus: String?
+
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/AttendanceSummary.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/AttendanceSummary.kt
index d2e1f174e..7d628ebaa 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/AttendanceSummary.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/AttendanceSummary.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.Month
 import java.io.Serializable
+import java.time.Month
 
 @Entity(tableName = "AttendanceSummary")
 data class AttendanceSummary(
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/CompletedLesson.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/CompletedLesson.kt
index 775f3f558..e305d467a 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/CompletedLesson.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/CompletedLesson.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "CompletedLesson")
 data class CompletedLesson(
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Conference.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Conference.kt
new file mode 100644
index 000000000..8ddcbbb0b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Conference.kt
@@ -0,0 +1,35 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+import java.time.LocalDateTime
+
+@Entity(tableName = "Conferences")
+data class Conference(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    val diaryId: Int,
+
+    val title: String,
+
+    val subject: String,
+
+    val agenda: String,
+
+    @ColumnInfo(name = "present_on_conference")
+    val presentOnConference: String,
+
+    @ColumnInfo(name = "conference_id")
+    val conferenceId: Int,
+
+    val date: LocalDateTime
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Exam.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Exam.kt
index 9ae795e71..50ed343a9 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Exam.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Exam.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Exams")
 data class Exam(
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Grade.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Grade.kt
index 1221a7aab..a0f1c3a6d 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Grade.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Grade.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Grades")
 data class Grade(
@@ -19,7 +19,7 @@ data class Grade(
 
     val entry: String,
 
-    val value: Int,
+    val value: Double,
 
     val modifier: Double,
 
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePartialStatistics.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePartialStatistics.kt
new file mode 100644
index 000000000..db164afde
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePartialStatistics.kt
@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "GradePartialStatistics")
+data class GradePartialStatistics(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "semester_id")
+    val semesterId: Int,
+
+    val subject: String,
+
+    @ColumnInfo(name = "class_average")
+    val classAverage: String,
+
+    @ColumnInfo(name = "student_average")
+    val studentAverage: String,
+
+    @ColumnInfo(name = "class_amounts")
+    val classAmounts: List<Int>,
+
+    @ColumnInfo(name = "student_amounts")
+    val studentAmounts: List<Int>
+
+) {
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeStatistics.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePointsStatistics.kt
similarity index 67%
rename from app/src/main/java/io/github/wulkanowy/data/db/entities/GradeStatistics.kt
rename to app/src/main/java/io/github/wulkanowy/data/db/entities/GradePointsStatistics.kt
index 8ad8b8b8d..407f18bd6 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeStatistics.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePointsStatistics.kt
@@ -4,8 +4,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 
-@Entity(tableName = "GradesStatistics")
-data class GradeStatistics(
+@Entity(tableName = "GradesPointsStatistics")
+data class GradePointsStatistics(
 
     @ColumnInfo(name = "student_id")
     val studentId: Int,
@@ -15,12 +15,9 @@ data class GradeStatistics(
 
     val subject: String,
 
-    val grade: Int,
+    val others: Double,
 
-    val amount: Int,
-
-    @ColumnInfo(name = "is_semester")
-    val semester: Boolean
+    val student: Double
 ) {
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSemesterStatistics.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSemesterStatistics.kt
new file mode 100644
index 000000000..e747271ce
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSemesterStatistics.kt
@@ -0,0 +1,28 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "GradeSemesterStatistics")
+data class GradeSemesterStatistics(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "semester_id")
+    val semesterId: Int,
+
+    val subject: String,
+
+    val amounts: List<Int>,
+
+    @ColumnInfo(name = "student_grade")
+    val studentGrade: Int
+) {
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+
+    @Transient
+    var average: String = ""
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSummary.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSummary.kt
index 6e29112b2..fb7b60bbc 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSummary.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeSummary.kt
@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import java.time.LocalDateTime
 
 @Entity(tableName = "GradesSummary")
 data class GradeSummary(
@@ -36,4 +37,16 @@ data class GradeSummary(
 ) {
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
+
+    @ColumnInfo(name = "is_predicted_grade_notified")
+    var isPredictedGradeNotified: Boolean = true
+
+    @ColumnInfo(name = "is_final_grade_notified")
+    var isFinalGradeNotified: Boolean = true
+
+    @ColumnInfo(name = "predicted_grade_last_change")
+    var predictedGradeLastChange: LocalDateTime = LocalDateTime.now()
+
+    @ColumnInfo(name = "final_grade_last_change")
+    var finalGradeLastChange: LocalDateTime = LocalDateTime.now()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Homework.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Homework.kt
index a22df0961..5b21445b4 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Homework.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Homework.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Homework")
 data class Homework(
@@ -27,10 +27,14 @@ data class Homework(
     val teacher: String,
 
     @ColumnInfo(name = "teacher_symbol")
-    val teacherSymbol: String
+    val teacherSymbol: String,
 
+    val attachments: List<Pair<String, String>>
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
+
+    @ColumnInfo(name = "is_done")
+    var isDone: Boolean = false
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/LuckyNumber.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/LuckyNumber.kt
index 5b9130f5d..7c24c8f5c 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/LuckyNumber.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/LuckyNumber.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "LuckyNumbers")
 data class LuckyNumber (
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Message.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Message.kt
index 48b4fd022..7b6e0dbf2 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Message.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Message.kt
@@ -3,14 +3,14 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDateTime
 import java.io.Serializable
+import java.time.LocalDateTime
 
 @Entity(tableName = "Messages")
 data class Message(
 
     @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    val studentId: Long,
 
     @ColumnInfo(name = "real_id")
     val realId: Int,
@@ -36,13 +36,10 @@ data class Message(
 
     var unread: Boolean,
 
-    @ColumnInfo(name = "unread_by")
-    val unreadBy: Int,
+    val removed: Boolean,
 
-    @ColumnInfo(name = "read_by")
-    val readBy: Int,
-
-    val removed: Boolean
+    @ColumnInfo(name = "has_attachments")
+    val hasAttachments: Boolean
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
@@ -51,5 +48,11 @@ data class Message(
     @ColumnInfo(name = "is_notified")
     var isNotified: Boolean = true
 
-    var content: String? = null
+    @ColumnInfo(name = "unread_by")
+    var unreadBy: Int = 0
+
+    @ColumnInfo(name = "read_by")
+    var readBy: Int = 0
+
+    var content: String = ""
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageAttachment.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageAttachment.kt
new file mode 100644
index 000000000..d1886e910
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageAttachment.kt
@@ -0,0 +1,26 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+@Entity(tableName = "MessageAttachments")
+data class MessageAttachment(
+
+    @PrimaryKey
+    @ColumnInfo(name = "real_id")
+    val realId: Int,
+
+    @ColumnInfo(name = "message_id")
+    val messageId: Int,
+
+    @ColumnInfo(name = "one_drive_id")
+    val oneDriveId: String,
+
+    @ColumnInfo(name = "url")
+    val url: String,
+
+    @ColumnInfo(name = "filename")
+    val filename: String
+) : Serializable
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageWithAttachment.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageWithAttachment.kt
new file mode 100644
index 000000000..2e7af0f40
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/MessageWithAttachment.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.Embedded
+import androidx.room.Relation
+
+data class MessageWithAttachment(
+    @Embedded
+    val message: Message,
+
+    @Relation(parentColumn = "message_id", entityColumn = "message_id")
+    val attachments: List<MessageAttachment>
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt
index f67ed599f..83d82c0b9 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/MobileDevice.kt
@@ -3,14 +3,14 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDateTime
 import java.io.Serializable
+import java.time.LocalDateTime
 
 @Entity(tableName = "MobileDevices")
 data class MobileDevice(
 
     @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    val userLoginId: Int,
 
     @ColumnInfo(name = "device_id")
     val deviceId: Int,
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Note.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Note.kt
index 5f3a92ab6..cfd549625 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Note.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Note.kt
@@ -3,8 +3,8 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
 import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Notes")
 data class Note(
@@ -16,8 +16,19 @@ data class Note(
 
     val teacher: String,
 
+    @ColumnInfo(name = "teacher_symbol")
+    val teacherSymbol: String,
+
     val category: String,
 
+    @ColumnInfo(name = "category_type")
+    val categoryType: Int,
+
+    @ColumnInfo(name = "is_points_show")
+    val isPointsShow: Boolean,
+
+    val points: Int,
+
     val content: String
 ) : Serializable {
 
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/ReportingUnit.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/ReportingUnit.kt
index 601d8aac7..0570a2ffd 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/ReportingUnit.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/ReportingUnit.kt
@@ -12,7 +12,7 @@ data class ReportingUnit(
     val studentId: Int,
 
     @ColumnInfo(name = "real_id")
-    val realId: Int,
+    val unitId: Int,
 
     @ColumnInfo(name = "short")
     val shortName: String,
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/School.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/School.kt
new file mode 100644
index 000000000..20fae4508
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/School.kt
@@ -0,0 +1,30 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+@Entity(tableName = "School")
+data class School(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "class_id")
+    val classId: Int,
+
+    val name: String,
+
+    val address: String,
+
+    val contact: String,
+
+    val headmaster: String,
+
+    val pedagogue: String
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Semester.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Semester.kt
index 6c06be111..3b1f0add5 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Semester.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Semester.kt
@@ -4,7 +4,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Index
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
+import java.io.Serializable
+import java.time.LocalDate
 
 @Entity(tableName = "Semesters", indices = [Index(value = ["student_id", "diary_id", "semester_id"], unique = true)])
 data class Semester(
@@ -27,9 +28,6 @@ data class Semester(
     @ColumnInfo(name = "semester_name")
     val semesterName: Int,
 
-    @ColumnInfo(name = "is_current")
-    val isCurrent: Boolean,
-
     val start: LocalDate,
 
     val end: LocalDate,
@@ -39,8 +37,12 @@ data class Semester(
 
     @ColumnInfo(name = "unit_id")
     val unitId: Int
-) {
+): Serializable {
 
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
+
+
+    @ColumnInfo(name = "is_current")
+    var current: Boolean = false
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt
index 13c5ee084..af9fe831a 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Student.kt
@@ -4,16 +4,39 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Index
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDateTime
 import java.io.Serializable
+import java.time.LocalDateTime
 
-@Entity(tableName = "Students", indices = [Index(value = ["email", "symbol", "student_id", "school_id", "class_id"], unique = true)])
+@Entity(
+    tableName = "Students",
+    indices = [Index(
+        value = ["email", "symbol", "student_id", "school_id", "class_id"],
+        unique = true
+    )]
+)
 data class Student(
 
-    val endpoint: String,
+    @ColumnInfo(name = "scrapper_base_url")
+    val scrapperBaseUrl: String,
 
+    @ColumnInfo(name = "mobile_base_url")
+    val mobileBaseUrl: String,
+
+    @ColumnInfo(name = "login_type")
     val loginType: String,
 
+    @ColumnInfo(name = "login_mode")
+    val loginMode: String,
+
+    @ColumnInfo(name = "certificate_key")
+    val certificateKey: String,
+
+    @ColumnInfo(name = "private_key")
+    val privateKey: String,
+
+    @ColumnInfo(name = "is_parent")
+    val isParent: Boolean,
+
     val email: String,
 
     var password: String,
@@ -23,12 +46,21 @@ data class Student(
     @ColumnInfo(name = "student_id")
     val studentId: Int,
 
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
+
+    @ColumnInfo(name = "user_name")
+    val userName: String,
+
     @ColumnInfo(name = "student_name")
     val studentName: String,
 
     @ColumnInfo(name = "school_id")
     val schoolSymbol: String,
 
+    @ColumnInfo(name = "school_short")
+    val schoolShortName: String,
+
     @ColumnInfo(name = "school_name")
     val schoolName: String,
 
@@ -47,4 +79,9 @@ data class Student(
 
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
+
+    var nick = ""
+
+    @ColumnInfo(name = "avatar_color")
+    var avatarColor = 0L
 }
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentInfo.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentInfo.kt
new file mode 100644
index 000000000..7366e547f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentInfo.kt
@@ -0,0 +1,85 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Embedded
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import io.github.wulkanowy.data.enums.Gender
+import java.io.Serializable
+import java.time.LocalDate
+
+@Entity(tableName = "StudentInfo")
+data class StudentInfo(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "full_name")
+    val fullName: String,
+
+    @ColumnInfo(name = "first_name")
+    val firstName: String,
+
+    @ColumnInfo(name = "second_name")
+    val secondName: String,
+
+    val surname: String,
+
+    @ColumnInfo(name = "birth_date")
+    val birthDate: LocalDate,
+
+    @ColumnInfo(name = "birth_place")
+    val birthPlace: String,
+
+    val gender: Gender,
+
+    @ColumnInfo(name = "has_polish_citizenship")
+    val hasPolishCitizenship: Boolean,
+
+    @ColumnInfo(name = "family_name")
+    val familyName: String,
+
+    @ColumnInfo(name = "parents_names")
+    val parentsNames: String,
+
+    val address: String,
+
+    @ColumnInfo(name = "registered_address")
+    val registeredAddress: String,
+
+    @ColumnInfo(name = "correspondence_address")
+    val correspondenceAddress: String,
+
+    @ColumnInfo(name = "phone_number")
+    val phoneNumber: String,
+
+    @ColumnInfo(name = "cell_phone_number")
+    val cellPhoneNumber: String,
+
+    val email: String,
+
+    @Embedded(prefix = "first_guardian_")
+    val firstGuardian: StudentGuardian?,
+
+    @Embedded(prefix = "second_guardian_")
+    val secondGuardian: StudentGuardian?
+
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
+
+data class StudentGuardian(
+
+    @ColumnInfo(name = "full_name")
+    val fullName: String,
+
+    val kinship: String,
+
+    val address: String,
+
+    val phones: String,
+
+    val email: String
+) : Serializable
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentNickAndAvatar.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentNickAndAvatar.kt
new file mode 100644
index 000000000..546059eea
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentNickAndAvatar.kt
@@ -0,0 +1,20 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+@Entity
+data class StudentNickAndAvatar(
+
+    val nick: String,
+
+    @ColumnInfo(name = "avatar_color")
+    var avatarColor: Long
+
+) : Serializable {
+
+    @PrimaryKey
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentWithSemesters.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentWithSemesters.kt
new file mode 100644
index 000000000..9362a954e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/StudentWithSemesters.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.Embedded
+import androidx.room.Relation
+import java.io.Serializable
+
+data class StudentWithSemesters(
+    @Embedded
+    val student: Student,
+
+    @Relation(parentColumn = "student_id", entityColumn = "student_id")
+    val semesters: List<Semester>
+) : Serializable
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Teacher.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Teacher.kt
new file mode 100644
index 000000000..52c96f8a3
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Teacher.kt
@@ -0,0 +1,27 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+
+@Entity(tableName = "Teachers")
+data class Teacher(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "class_id")
+    val classId: Int,
+
+    val subject: String,
+
+    val name: String,
+
+    @ColumnInfo(name = "short_name")
+    val shortName: String
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/Timetable.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/Timetable.kt
index 9bc3d2140..1bf159efd 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Timetable.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Timetable.kt
@@ -3,9 +3,9 @@ package io.github.wulkanowy.data.db.entities
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDateTime
 import java.io.Serializable
+import java.time.LocalDate
+import java.time.LocalDateTime
 
 @Entity(tableName = "Timetable")
 data class Timetable(
@@ -40,6 +40,9 @@ data class Timetable(
 
     val info: String,
 
+    @ColumnInfo(name = "student_plan")
+    val isStudentPlan: Boolean,
+
     val changes: Boolean,
 
     val canceled: Boolean
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/entities/TimetableAdditional.kt b/app/src/main/java/io/github/wulkanowy/data/db/entities/TimetableAdditional.kt
new file mode 100644
index 000000000..c1f1365f9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/TimetableAdditional.kt
@@ -0,0 +1,30 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+import java.time.LocalDate
+import java.time.LocalDateTime
+
+@Entity(tableName = "TimetableAdditional")
+data class TimetableAdditional(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    val diaryId: Int,
+
+    val start: LocalDateTime,
+
+    val end: LocalDateTime,
+
+    val date: LocalDate,
+
+    val subject: String,
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration16.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration16.kt
new file mode 100644
index 000000000..7f40c0f8d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration16.kt
@@ -0,0 +1,20 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration16 : Migration(15, 16) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Teachers (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                class_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                name TEXT NOT NULL,
+                short_name TEXT NOT NULL
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration17.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration17.kt
new file mode 100644
index 000000000..e2a2574db
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration17.kt
@@ -0,0 +1,29 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration17 : Migration(16, 17) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        createGradesPointsStatisticsTable(database)
+        truncateSemestersTable(database)
+    }
+
+    private fun createGradesPointsStatisticsTable(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS GradesPointsStatistics(
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                others REAL NOT NULL,
+                student REAL NOT NULL
+            )
+        """)
+    }
+
+    private fun truncateSemestersTable(database: SupportSQLiteDatabase) {
+        database.execSQL("DELETE FROM Semesters")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration18.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration18.kt
new file mode 100644
index 000000000..6c5e56c6a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration18.kt
@@ -0,0 +1,22 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration18 : Migration(17, 18) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS School (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                class_id INTEGER NOT NULL,
+                name TEXT NOT NULL,
+                address TEXT NOT NULL,
+                contact TEXT NOT NULL,
+                headmaster TEXT NOT NULL,
+                pedagogue TEXT NOT NULL
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration19.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration19.kt
new file mode 100644
index 000000000..d38f1245a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration19.kt
@@ -0,0 +1,119 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+import io.github.wulkanowy.data.db.SharedPrefProvider
+
+class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migration(18, 19) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        migrateMessages(database)
+        migrateGrades(database)
+        migrateStudents(database)
+        migrateSharedPreferences()
+    }
+
+    private fun migrateMessages(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE Messages")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Messages (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                is_notified INTEGER NOT NULL,
+                student_id INTEGER NOT NULL,
+                real_id INTEGER NOT NULL,
+                message_id INTEGER NOT NULL,
+                sender_name TEXT NOT NULL,
+                sender_id INTEGER NOT NULL,
+                recipient_name TEXT NOT NULL,
+                subject TEXT NOT NULL,
+                content TEXT NOT NULL,
+                date INTEGER NOT NULL,
+                folder_id INTEGER NOT NULL,
+                unread INTEGER NOT NULL,
+                unread_by INTEGER NOT NULL,
+                read_by INTEGER NOT NULL,
+                removed INTEGER NOT NULL
+            )
+        """)
+    }
+
+    private fun migrateGrades(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE Grades")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Grades (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                is_read INTEGER NOT NULL,
+                is_notified INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                student_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                entry TEXT NOT NULL,
+                value REAL NOT NULL,
+                modifier REAL NOT NULL,
+                comment TEXT NOT NULL,
+                color TEXT NOT NULL,
+                grade_symbol TEXT NOT NULL,
+                description TEXT NOT NULL,
+                weight TEXT NOT NULL,
+                weightValue REAL NOT NULL,
+                date INTEGER NOT NULL,
+                teacher TEXT NOT NULL
+            )
+        """)
+    }
+
+    private fun migrateStudents(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Students_tmp (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                scrapper_base_url TEXT NOT NULL,
+                mobile_base_url TEXT NOT NULL,
+                is_parent INTEGER NOT NULL,
+                login_type TEXT NOT NULL,
+                login_mode TEXT NOT NULL,
+                certificate_key TEXT NOT NULL,
+                private_key TEXT NOT NULL,
+                email TEXT NOT NULL,
+                password TEXT NOT NULL,
+                symbol TEXT NOT NULL,
+                student_id INTEGER NOT NULL,
+                user_login_id INTEGER NOT NULL,
+                student_name TEXT NOT NULL,
+                school_id TEXT NOT NULL,
+                school_name TEXT NOT NULL,
+                class_name TEXT NOT NULL,
+                class_id INTEGER NOT NULL,
+                is_current INTEGER NOT NULL,
+                registration_date INTEGER NOT NULL
+            )
+        """)
+
+        database.execSQL("ALTER TABLE Students ADD COLUMN scrapperBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN apiBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN is_parent INT NOT NULL DEFAULT 0;")
+        database.execSQL("ALTER TABLE Students ADD COLUMN loginMode TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN certificateKey TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN privateKey TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN user_login_id INTEGER NOT NULL DEFAULT 0;")
+
+        database.execSQL("""
+            INSERT INTO Students_tmp(
+            id, scrapper_base_url, mobile_base_url, is_parent, login_type, login_mode, certificate_key, private_key, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date)
+            SELECT
+            id, endpoint, apiBaseUrl, is_parent, loginType, "SCRAPPER", certificateKey, privateKey, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date
+            FROM Students
+        """)
+        database.execSQL("DROP TABLE Students")
+        database.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
+        database.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students (email, symbol, student_id, school_id, class_id)")
+    }
+
+    private fun migrateSharedPreferences() {
+        if (sharedPrefProvider.getString("grade_modifier_plus", "0.0") == "0.0") {
+            sharedPrefProvider.putString("grade_modifier_plus", "0.33")
+        }
+        if (sharedPrefProvider.getString("grade_modifier_minus", "0.0") == "0.0") {
+            sharedPrefProvider.putString("grade_modifier_minus", "0.33")
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration20.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration20.kt
new file mode 100644
index 000000000..2fcfc183d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration20.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration20 : Migration(19, 20) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        migrateTimetable(database)
+        truncateSubjects(database)
+    }
+
+    private fun migrateTimetable(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE Timetable")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS `Timetable` (
+                `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                `student_id` INTEGER NOT NULL,
+                `diary_id` INTEGER NOT NULL,
+                `number` INTEGER NOT NULL,
+                `start` INTEGER NOT NULL,
+                `end` INTEGER NOT NULL,
+                `date` INTEGER NOT NULL,
+                `subject` TEXT NOT NULL,
+                `subjectOld` TEXT NOT NULL,
+                `group` TEXT NOT NULL,
+                `room` TEXT NOT NULL,
+                `roomOld` TEXT NOT NULL,
+                `teacher` TEXT NOT NULL,
+                `teacherOld` TEXT NOT NULL,
+                `info` TEXT NOT NULL,
+                `student_plan` INTEGER NOT NULL,
+                `changes` INTEGER NOT NULL,
+                `canceled` INTEGER NOT NULL
+            )
+        """)
+    }
+
+    private fun truncateSubjects(database: SupportSQLiteDatabase) {
+        database.execSQL("DELETE FROM Subjects")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration21.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration21.kt
new file mode 100644
index 000000000..bc0ff900c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration21.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration21 : Migration(20, 21) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Attendance ADD COLUMN excusable INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE Attendance ADD COLUMN time_id INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE Attendance ADD COLUMN excuse_status TEXT DEFAULT NULL")
+
+        database.execSQL("DELETE FROM Semesters")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration22.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration22.kt
new file mode 100644
index 000000000..cf50a6c3e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration22.kt
@@ -0,0 +1,11 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration22 : Migration(21, 22) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Students ADD COLUMN school_short TEXT NOT NULL DEFAULT ''")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration23.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration23.kt
new file mode 100644
index 000000000..22de94c3f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration23.kt
@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration23 : Migration(22, 23) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Notes ADD COLUMN teacher_symbol TEXT NOT NULL DEFAULT ''")
+        database.execSQL("ALTER TABLE Notes ADD COLUMN category_type INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE Notes ADD COLUMN is_points_show INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE Notes ADD COLUMN points INTEGER NOT NULL DEFAULT 0")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration24.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration24.kt
new file mode 100644
index 000000000..604ed4875
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration24.kt
@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration24 : Migration(23, 24) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Messages ADD COLUMN has_attachments INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS MessageAttachments (
+                real_id INTEGER NOT NULL,
+                message_id INTEGER NOT NULL,
+                one_drive_id TEXT NOT NULL,
+                url TEXT NOT NULL,
+                filename TEXT NOT NULL,
+                PRIMARY KEY(real_id)
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration25.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration25.kt
new file mode 100644
index 000000000..4749bac73
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration25.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration25 : Migration(24, 25) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Homework ADD COLUMN is_done INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE Homework ADD COLUMN attachments TEXT NOT NULL DEFAULT \"[]\"")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration26.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration26.kt
new file mode 100644
index 000000000..7130d86d8
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration26.kt
@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration26 : Migration(25, 26) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_predicted_grade_notified INTEGER NOT NULL DEFAULT 1")
+        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_final_grade_notified INTEGER NOT NULL DEFAULT 1")
+        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN predicted_grade_last_change INTEGER NOT NULL DEFAULT 0")
+        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN final_grade_last_change INTEGER NOT NULL DEFAULT 0")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration27.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration27.kt
new file mode 100644
index 000000000..6592228a1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration27.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration27 : Migration(26, 27) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Students ADD COLUMN user_name TEXT NOT NULL DEFAULT \"\"")
+
+        val students = getStudentsIdsAndNames(database)
+        val units = getReportingUnits(database)
+
+        students.forEach { (id, userLoginId, studentName) ->
+            val userNameFromUnits = units.singleOrNull { (senderId, _) -> senderId == userLoginId }?.second
+            val normalizedStudentName = studentName.split(" ").asReversed().joinToString(" ")
+
+            val userName = userNameFromUnits ?: normalizedStudentName
+            database.execSQL("UPDATE Students SET user_name = '$userName' WHERE id = '$id'")
+        }
+    }
+
+    private fun getStudentsIdsAndNames(database: SupportSQLiteDatabase): MutableList<Triple<Long, Int, String>> {
+        val students = mutableListOf<Triple<Long, Int, String>>()
+        val studentsCursor = database.query("SELECT id, user_login_id, student_name FROM Students")
+        if (studentsCursor.moveToFirst()) {
+            do {
+                students.add(Triple(studentsCursor.getLong(0), studentsCursor.getInt(1), studentsCursor.getString(2)))
+            } while (studentsCursor.moveToNext())
+        }
+        return students
+    }
+
+    private fun getReportingUnits(database: SupportSQLiteDatabase): MutableList<Pair<Int, String>> {
+        val units = mutableListOf<Pair<Int, String>>()
+        val unitsCursor = database.query("SELECT sender_id, sender_name FROM ReportingUnits")
+        if (unitsCursor.moveToFirst()) {
+            do {
+                units.add(unitsCursor.getInt(0) to unitsCursor.getString(1))
+            } while (unitsCursor.moveToNext())
+        }
+
+        return units
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration28.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration28.kt
new file mode 100644
index 000000000..51e7628b5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration28.kt
@@ -0,0 +1,23 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration28 : Migration(27, 28) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Conferences (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                diary_id INTEGER NOT NULL,
+                title TEXT NOT NULL,
+                subject TEXT NOT NULL,
+                agenda TEXT NOT NULL,
+                present_on_conference TEXT NOT NULL,
+                conference_id INTEGER NOT NULL,
+                date INTEGER NOT NULL
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration29.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration29.kt
new file mode 100644
index 000000000..327552d75
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration29.kt
@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration29 : Migration(28, 29) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE IF EXISTS GradesStatistics")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS GradeSemesterStatistics (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                amounts TEXT NOT NULL,
+                student_grade INTEGER NOT NULL
+            )
+        """)
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS GradePartialStatistics (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                class_average TEXT NOT NULL,
+                student_average TEXT NOT NULL,
+                class_amounts TEXT NOT NULL,
+                student_amounts TEXT NOT NULL
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration30.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration30.kt
new file mode 100644
index 000000000..b33914fec
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration30.kt
@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration30 : Migration(29, 30) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE TimetableAdditional (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                diary_id INTEGER NOT NULL,
+                start INTEGER NOT NULL,
+                `end` INTEGER NOT NULL,
+                date INTEGER NOT NULL,
+                subject TEXT NOT NULL
+            )
+        """)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration31.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration31.kt
new file mode 100644
index 000000000..064a3e5bc
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration31.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration31 : Migration(30, 31) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL(
+            """CREATE TABLE IF NOT EXISTS StudentInfo (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
+                student_id INTEGER NOT NULL, 
+                full_name TEXT NOT NULL, 
+                first_name TEXT NOT NULL, 
+                second_name TEXT NOT NULL, 
+                surname TEXT NOT NULL, 
+                birth_date INTEGER NOT NULL, 
+                birth_place TEXT NOT NULL, 
+                gender TEXT NOT NULL, 
+                has_polish_citizenship INTEGER NOT NULL, 
+                family_name TEXT NOT NULL, 
+                parents_names TEXT NOT NULL, 
+                address TEXT NOT NULL, 
+                registered_address TEXT NOT NULL, 
+                correspondence_address TEXT NOT NULL, 
+                phone_number TEXT NOT NULL, 
+                cell_phone_number TEXT NOT NULL,
+                email TEXT NOT NULL, 
+                first_guardian_full_name TEXT NOT NULL, 
+                first_guardian_kinship TEXT NOT NULL, 
+                first_guardian_address TEXT NOT NULL, 
+                first_guardian_phones TEXT NOT NULL, 
+                first_guardian_email TEXT NOT NULL, 
+                second_guardian_full_name TEXT NOT NULL, 
+                second_guardian_kinship TEXT NOT NULL, 
+                second_guardian_address TEXT NOT NULL, 
+                second_guardian_phones TEXT NOT NULL, 
+                second_guardian_email TEXT NOT NULL)
+            """
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration32.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration32.kt
new file mode 100644
index 000000000..508485e08
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration32.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration32 : Migration(31, 32) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Students ADD COLUMN nick TEXT NOT NULL DEFAULT \"\"")
+    }
+}
+
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration33.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration33.kt
new file mode 100644
index 000000000..4a57880d4
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration33.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration33 : Migration(32, 33) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE IF EXISTS StudentInfo")
+
+        database.execSQL(
+            """CREATE TABLE IF NOT EXISTS StudentInfo (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
+                student_id INTEGER NOT NULL, 
+                full_name TEXT NOT NULL, 
+                first_name TEXT NOT NULL, 
+                second_name TEXT NOT NULL, 
+                surname TEXT NOT NULL, 
+                birth_date INTEGER NOT NULL, 
+                birth_place TEXT NOT NULL, 
+                gender TEXT NOT NULL, 
+                has_polish_citizenship INTEGER NOT NULL, 
+                family_name TEXT NOT NULL, 
+                parents_names TEXT NOT NULL, 
+                address TEXT NOT NULL, 
+                registered_address TEXT NOT NULL, 
+                correspondence_address TEXT NOT NULL, 
+                phone_number TEXT NOT NULL, 
+                cell_phone_number TEXT NOT NULL,
+                email TEXT NOT NULL, 
+                first_guardian_full_name TEXT, 
+                first_guardian_kinship TEXT, 
+                first_guardian_address TEXT, 
+                first_guardian_phones TEXT, 
+                first_guardian_email TEXT, 
+                second_guardian_full_name TEXT, 
+                second_guardian_kinship TEXT, 
+                second_guardian_address TEXT, 
+                second_guardian_phones TEXT, 
+                second_guardian_email TEXT)
+            """
+        )
+    }
+}
+
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration34.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration34.kt
new file mode 100644
index 000000000..2c57eb00a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration34.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration34 : Migration(33, 34) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("DELETE FROM ReportingUnits")
+        database.execSQL("DELETE FROM Recipients")
+    }
+}
+
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration35.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration35.kt
new file mode 100644
index 000000000..cc540388c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration35.kt
@@ -0,0 +1,24 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.core.database.getLongOrNull
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+import io.github.wulkanowy.utils.AppInfo
+
+class Migration35(private val appInfo: AppInfo) : Migration(34, 35) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("ALTER TABLE Students ADD COLUMN `avatar_color` INTEGER NOT NULL DEFAULT 0")
+
+        val studentsCursor = database.query("SELECT * FROM Students")
+
+        while (studentsCursor.moveToNext()) {
+            val studentId = studentsCursor.getLongOrNull(0)
+            database.execSQL(
+                """UPDATE Students 
+                SET avatar_color = ${appInfo.defaultColorsForAvatar.random()} 
+                WHERE id = $studentId"""
+            )
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration5.kt b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration5.kt
index fe0dec48f..dbcd916ba 100644
--- a/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration5.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration5.kt
@@ -2,8 +2,8 @@ package io.github.wulkanowy.data.db.migrations
 
 import androidx.room.migration.Migration
 import androidx.sqlite.db.SupportSQLiteDatabase
-import org.threeten.bp.LocalDateTime.now
-import org.threeten.bp.ZoneOffset
+import java.time.LocalDateTime.now
+import java.time.ZoneOffset
 
 class Migration5 : Migration(4, 5) {
 
diff --git a/app/src/main/java/io/github/wulkanowy/data/enums/Gender.kt b/app/src/main/java/io/github/wulkanowy/data/enums/Gender.kt
new file mode 100644
index 000000000..df93dcbef
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/enums/Gender.kt
@@ -0,0 +1,3 @@
+package io.github.wulkanowy.data.enums
+
+enum class Gender { MALE, FEMALE }
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageFolder.kt b/app/src/main/java/io/github/wulkanowy/data/enums/MessageFolder.kt
similarity index 63%
rename from app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageFolder.kt
rename to app/src/main/java/io/github/wulkanowy/data/enums/MessageFolder.kt
index 06f5a1e05..899ba9085 100644
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageFolder.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/enums/MessageFolder.kt
@@ -1,4 +1,4 @@
-package io.github.wulkanowy.data.repositories.message
+package io.github.wulkanowy.data.enums
 
 enum class MessageFolder(val id: Int = 1) {
     RECEIVED(1),
diff --git a/app/src/main/java/io/github/wulkanowy/data/enums/SentExcuseStatus.kt b/app/src/main/java/io/github/wulkanowy/data/enums/SentExcuseStatus.kt
new file mode 100644
index 000000000..99878152f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/enums/SentExcuseStatus.kt
@@ -0,0 +1,7 @@
+package io.github.wulkanowy.data.enums
+
+enum class SentExcuseStatus(val id: Int = 0) {
+    WAITING,
+    ACCEPTED,
+    DENIED
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/AttendanceMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/AttendanceMapper.kt
new file mode 100644
index 000000000..46e67fdaa
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/AttendanceMapper.kt
@@ -0,0 +1,43 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.Attendance as SdkAttendance
+import io.github.wulkanowy.sdk.pojo.AttendanceSummary as SdkAttendanceSummary
+
+fun List<SdkAttendance>.mapToEntities(semester: Semester) = map {
+    Attendance(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        date = it.date,
+        timeId = it.timeId,
+        number = it.number,
+        subject = it.subject,
+        name = it.name,
+        presence = it.presence,
+        absence = it.absence,
+        exemption = it.exemption,
+        lateness = it.lateness,
+        excused = it.excused,
+        deleted = it.deleted,
+        excusable = it.excusable,
+        excuseStatus = it.excuseStatus?.name
+    )
+}
+
+fun List<SdkAttendanceSummary>.mapToEntities(semester: Semester, subjectId: Int) = map {
+    AttendanceSummary(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        subjectId = subjectId,
+        month = it.month,
+        presence = it.presence,
+        absence = it.absence,
+        absenceExcused = it.absenceExcused,
+        absenceForSchoolReasons = it.absenceForSchoolReasons,
+        lateness = it.lateness,
+        latenessExcused = it.latenessExcused,
+        exemption = it.exemption
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/CompletedLessonsMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/CompletedLessonsMapper.kt
new file mode 100644
index 000000000..c42126eb7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/CompletedLessonsMapper.kt
@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.CompletedLesson as SdkCompletedLesson
+
+fun List<SdkCompletedLesson>.mapToEntities(semester: Semester) = map {
+    CompletedLesson(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        date = it.date,
+        number = it.number,
+        subject = it.subject,
+        topic = it.topic,
+        teacher = it.teacher,
+        teacherSymbol = it.teacherSymbol,
+        substitution = it.substitution,
+        absence = it.absence,
+        resources = it.resources
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/ConferenceMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/ConferenceMapper.kt
new file mode 100644
index 000000000..52dc9b30b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/ConferenceMapper.kt
@@ -0,0 +1,18 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.Conference as SdkConference
+
+fun List<SdkConference>.mapToEntities(semester: Semester) = map {
+    Conference(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        agenda = it.agenda,
+        conferenceId = it.id,
+        date = it.date,
+        presentOnConference = it.presentOnConference,
+        subject = it.subject,
+        title = it.title
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/ExamMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/ExamMapper.kt
new file mode 100644
index 000000000..bdb5efbba
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/ExamMapper.kt
@@ -0,0 +1,20 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Exam
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.Exam as SdkExam
+
+fun List<SdkExam>.mapToEntities(semester: Semester) = map {
+    Exam(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        date = it.date,
+        entryDate = it.entryDate,
+        subject = it.subject,
+        group = it.group,
+        type = it.type,
+        description = it.description,
+        teacher = it.teacher,
+        teacherSymbol = it.teacherSymbol
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/GradeMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/GradeMapper.kt
new file mode 100644
index 000000000..178de682a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/GradeMapper.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.GradeSummary as SdkGradeSummary
+import io.github.wulkanowy.sdk.pojo.Grade as SdkGrade
+
+fun List<SdkGrade>.mapToEntities(semester: Semester) = map {
+    Grade(
+        studentId = semester.studentId,
+        semesterId = semester.semesterId,
+        subject = it.subject,
+        entry = it.entry,
+        value = it.value,
+        modifier = it.modifier,
+        comment = it.comment,
+        color = it.color,
+        gradeSymbol = it.symbol,
+        description = it.description,
+        weight = it.weight,
+        weightValue = it.weightValue,
+        date = it.date,
+        teacher = it.teacher
+    )
+}
+
+@JvmName("mapGradeSummaryToEntities")
+fun List<SdkGradeSummary>.mapToEntities(semester: Semester) = map {
+    GradeSummary(
+        semesterId = semester.semesterId,
+        studentId = semester.studentId,
+        position = 0,
+        subject = it.name,
+        predictedGrade = it.predicted,
+        finalGrade = it.final,
+        pointsSum = it.pointsSum,
+        proposedPoints = it.proposedPoints,
+        finalPoints = it.finalPoints,
+        average = it.average
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/GradeStatisticsMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/GradeStatisticsMapper.kt
new file mode 100644
index 000000000..b25802d22
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/GradeStatisticsMapper.kt
@@ -0,0 +1,79 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import io.github.wulkanowy.data.db.entities.GradePointsStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.pojos.GradeStatisticsItem
+import io.github.wulkanowy.sdk.pojo.GradePointsStatistics as SdkGradePointsStatistics
+import io.github.wulkanowy.sdk.pojo.GradeStatisticsSemester as SdkGradeStatisticsSemester
+import io.github.wulkanowy.sdk.pojo.GradeStatisticsSubject as SdkGradeStatisticsSubject
+
+@JvmName("mapToEntitiesSubject")
+fun List<SdkGradeStatisticsSubject>.mapToEntities(semester: Semester) = map {
+    GradePartialStatistics(
+        semesterId = semester.semesterId,
+        studentId = semester.studentId,
+        subject = it.subject,
+        classAverage = it.classAverage,
+        studentAverage = it.studentAverage,
+        classAmounts = it.classItems
+            .sortedBy { item -> item.grade }
+            .map { item -> item.amount },
+        studentAmounts = it.studentItems.map { item -> item.amount }
+    )
+}
+
+@JvmName("mapToEntitiesSemester")
+fun List<SdkGradeStatisticsSemester>.mapToEntities(semester: Semester) = map {
+    GradeSemesterStatistics(
+        semesterId = semester.semesterId,
+        studentId = semester.studentId,
+        subject = it.subject,
+        amounts = it.items
+            .sortedBy { item -> item.grade }
+            .map { item -> item.amount },
+        studentGrade = it.items.singleOrNull { item -> item.isStudentHere }?.grade ?: 0
+    )
+}
+
+@JvmName("mapToEntitiesPoints")
+fun List<SdkGradePointsStatistics>.mapToEntities(semester: Semester) = map {
+    GradePointsStatistics(
+        semesterId = semester.semesterId,
+        studentId = semester.studentId,
+        subject = it.subject,
+        others = it.others,
+        student = it.student
+    )
+}
+
+fun List<GradePartialStatistics>.mapPartialToStatisticItems() = filterNot { it.classAmounts.isEmpty() }.map {
+    GradeStatisticsItem(
+        type = GradeStatisticsItem.DataType.PARTIAL,
+        average = it.classAverage,
+        partial = it,
+        points = null,
+        semester = null
+    )
+}
+
+fun List<GradeSemesterStatistics>.mapSemesterToStatisticItems() = filterNot { it.amounts.isEmpty() }.map {
+    GradeStatisticsItem(
+        type = GradeStatisticsItem.DataType.SEMESTER,
+        partial = null,
+        points = null,
+        average = "",
+        semester = it
+    )
+}
+
+fun List<GradePointsStatistics>.mapPointsToStatisticsItems() = map {
+    GradeStatisticsItem(
+        type = GradeStatisticsItem.DataType.POINTS,
+        partial = null,
+        semester = null,
+        average = "",
+        points = it
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/HomeworkMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/HomeworkMapper.kt
new file mode 100644
index 000000000..880a26d6d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/HomeworkMapper.kt
@@ -0,0 +1,21 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.sdk.pojo.Homework as SdkHomework
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.data.db.entities.Semester
+
+fun List<SdkHomework>.mapToEntities(semester: Semester) = map {
+    Homework(
+        semesterId = semester.semesterId,
+        studentId = semester.studentId,
+        date = it.date,
+        entryDate = it.entryDate,
+        subject = it.subject,
+        content = it.content,
+        teacher = it.teacher,
+        teacherSymbol = it.teacherSymbol,
+        attachments = it.attachments.map { attachment ->
+            attachment.url to attachment.name
+        }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/LuckyNumberMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/LuckyNumberMapper.kt
new file mode 100644
index 000000000..78ebe1d6e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/LuckyNumberMapper.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.data.db.entities.Student
+import java.time.LocalDate
+import io.github.wulkanowy.sdk.pojo.LuckyNumber as SdkLuckyNumber
+
+fun SdkLuckyNumber.mapToEntity(student: Student) = LuckyNumber(
+    studentId = student.studentId,
+    date = LocalDate.now(),
+    luckyNumber = number
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/MessageMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/MessageMapper.kt
new file mode 100644
index 000000000..913e4d030
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/MessageMapper.kt
@@ -0,0 +1,53 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageAttachment
+import io.github.wulkanowy.data.db.entities.Recipient
+import io.github.wulkanowy.data.db.entities.Student
+import java.time.LocalDateTime
+import io.github.wulkanowy.sdk.pojo.Message as SdkMessage
+import io.github.wulkanowy.sdk.pojo.MessageAttachment as SdkMessageAttachment
+import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
+
+fun List<SdkMessage>.mapToEntities(student: Student) = map {
+    Message(
+        studentId = student.id,
+        realId = it.id ?: 0,
+        messageId = it.messageId ?: 0,
+        sender = it.sender?.name.orEmpty(),
+        senderId = it.sender?.loginId ?: 0,
+        recipient = it.recipients.singleOrNull()?.name ?: "Wielu adresatów",
+        subject = it.subject.trim(),
+        date = it.date ?: LocalDateTime.now(),
+        folderId = it.folderId,
+        unread = it.unread ?: false,
+        removed = it.removed,
+        hasAttachments = it.hasAttachments
+    ).apply {
+        content = it.content.orEmpty()
+        unreadBy = it.unreadBy ?: 0
+        readBy = it.readBy ?: 0
+    }
+}
+
+fun List<SdkMessageAttachment>.mapToEntities() = map {
+    MessageAttachment(
+        realId = it.id,
+        messageId = it.messageId,
+        oneDriveId = it.oneDriveId,
+        url = it.url,
+        filename = it.filename
+    )
+}
+
+fun List<Recipient>.mapFromEntities() = map {
+    SdkRecipient(
+        id = it.realId,
+        name = it.realName,
+        loginId = it.loginId,
+        reportingUnitId = it.unitId,
+        role = it.role,
+        hash = it.hash,
+        shortName = it.name
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt
new file mode 100644
index 000000000..f0c375bfa
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt
@@ -0,0 +1,23 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.MobileDevice
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.pojos.MobileDeviceToken
+import io.github.wulkanowy.sdk.pojo.Token as SdkToken
+import io.github.wulkanowy.sdk.pojo.Device as SdkDevice
+
+fun List<SdkDevice>.mapToEntities(semester: Semester) = map {
+    MobileDevice(
+        userLoginId = semester.studentId,
+        date = it.createDate,
+        deviceId = it.id,
+        name = it.name
+    )
+}
+
+fun SdkToken.mapToMobileDeviceToken() = MobileDeviceToken(
+    token = token,
+    symbol = symbol,
+    pin = pin,
+    qr = qrCodeImage
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/NoteMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/NoteMapper.kt
new file mode 100644
index 000000000..70941799b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/NoteMapper.kt
@@ -0,0 +1,19 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.Note as SdkNote
+
+fun List<SdkNote>.mapToEntities(semester: Semester) = map {
+    Note(
+        studentId = semester.studentId,
+        date = it.date,
+        teacher = it.teacher,
+        teacherSymbol = it.teacherSymbol,
+        category = it.category,
+        categoryType = it.categoryType.id,
+        isPointsShow = it.showPoints,
+        points = it.points,
+        content = it.content
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/RecipientMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/RecipientMapper.kt
new file mode 100644
index 000000000..80bddaab1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/RecipientMapper.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Recipient
+import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
+
+fun List<SdkRecipient>.mapToEntities(userLoginId: Int) = map {
+    Recipient(
+        studentId = userLoginId,
+        realId = it.id,
+        realName = it.name,
+        name = it.shortName,
+        hash = it.hash,
+        loginId = it.loginId,
+        role = it.role,
+        unitId = it.reportingUnitId ?: 0
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/ReportingUnitMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/ReportingUnitMapper.kt
new file mode 100644
index 000000000..6a21d59fc
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/ReportingUnitMapper.kt
@@ -0,0 +1,16 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.pojo.ReportingUnit as SdkReportingUnit
+
+fun List<SdkReportingUnit>.mapToEntities(student: Student) = map {
+    ReportingUnit(
+        studentId = student.id.toInt(),
+        unitId = it.id,
+        roles = it.roles,
+        senderId = it.senderId,
+        senderName = it.senderName,
+        shortName = it.short
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/SchoolInfoMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/SchoolInfoMapper.kt
new file mode 100644
index 000000000..dc3a5a9e9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/SchoolInfoMapper.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.School
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.School as SdkSchool
+
+fun SdkSchool.mapToEntity(semester: Semester) = School(
+    studentId = semester.studentId,
+    classId = semester.classId,
+    name = name,
+    address = address,
+    contact = contact,
+    headmaster = headmaster,
+    pedagogue = pedagogue
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/SemesterMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/SemesterMapper.kt
new file mode 100644
index 000000000..acd93a91a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/SemesterMapper.kt
@@ -0,0 +1,19 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.pojo.Semester as SdkSemester
+
+fun List<SdkSemester>.mapToEntities(studentId: Int) = map {
+    Semester(
+        studentId = studentId,
+        diaryId = it.diaryId,
+        diaryName = it.diaryName,
+        schoolYear = it.schoolYear,
+        semesterId = it.semesterId,
+        semesterName = it.semesterNumber,
+        start = it.start,
+        end = it.end,
+        classId = it.classId,
+        unitId = it.unitId
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/StudentInfoMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/StudentInfoMapper.kt
new file mode 100644
index 000000000..9e8533901
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/StudentInfoMapper.kt
@@ -0,0 +1,38 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.StudentGuardian
+import io.github.wulkanowy.data.db.entities.StudentInfo
+import io.github.wulkanowy.data.enums.Gender
+import io.github.wulkanowy.sdk.pojo.StudentGuardian as SdkStudentGuardian
+import io.github.wulkanowy.sdk.pojo.StudentInfo as SdkStudentInfo
+
+fun SdkStudentInfo.mapToEntity(semester: Semester) = StudentInfo(
+    studentId = semester.studentId,
+    fullName = fullName,
+    firstName = firstName,
+    secondName = secondName,
+    surname = surname,
+    birthDate = birthDate,
+    birthPlace = birthPlace,
+    gender = Gender.valueOf(gender.name),
+    hasPolishCitizenship = hasPolishCitizenship,
+    familyName = familyName,
+    parentsNames = parentsNames,
+    address = address,
+    registeredAddress = registeredAddress,
+    correspondenceAddress = correspondenceAddress,
+    phoneNumber = phoneNumber,
+    cellPhoneNumber = phoneNumber,
+    email = email,
+    firstGuardian = guardianFirst?.mapToEntity(),
+    secondGuardian = guardianSecond?.mapToEntity()
+)
+
+fun SdkStudentGuardian.mapToEntity() = StudentGuardian(
+    fullName = fullName,
+    kinship = kinship,
+    address = address,
+    phones = phones,
+    email = email
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/StudentMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/StudentMapper.kt
new file mode 100644
index 000000000..c93323038
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/StudentMapper.kt
@@ -0,0 +1,37 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import java.time.LocalDateTime
+import io.github.wulkanowy.sdk.pojo.Student as SdkStudent
+
+fun List<SdkStudent>.mapToEntities(password: String = "", colors: List<Long>) = map {
+    StudentWithSemesters(
+        student = Student(
+            email = it.email,
+            password = password,
+            isParent = it.isParent,
+            symbol = it.symbol,
+            studentId = it.studentId,
+            userLoginId = it.userLoginId,
+            userName = it.userName,
+            studentName = it.studentName + " " + it.studentSurname,
+            schoolSymbol = it.schoolSymbol,
+            schoolShortName = it.schoolShortName,
+            schoolName = it.schoolName,
+            className = it.className,
+            classId = it.classId,
+            scrapperBaseUrl = it.scrapperBaseUrl,
+            loginType = it.loginType.name,
+            isCurrent = false,
+            registrationDate = LocalDateTime.now(),
+            mobileBaseUrl = it.mobileBaseUrl,
+            privateKey = it.privateKey,
+            certificateKey = it.certificateKey,
+            loginMode = it.loginMode.name,
+        ).apply {
+            avatarColor = colors.random()
+        },
+        semesters = it.semesters.mapToEntities(it.studentId)
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/SubjectMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/SubjectMapper.kt
new file mode 100644
index 000000000..4dc95aaa7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/SubjectMapper.kt
@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.sdk.pojo.Subject as SdkSubject
+
+fun List<SdkSubject>.mapToEntities(semester: Semester) = map {
+    Subject(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        name = it.name,
+        realId = it.id
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/TeacherMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/TeacherMapper.kt
new file mode 100644
index 000000000..49cb7c294
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/TeacherMapper.kt
@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Teacher
+import io.github.wulkanowy.sdk.pojo.Teacher as SdkTeacher
+
+fun List<SdkTeacher>.mapToEntities(semester: Semester) = map {
+    Teacher(
+        studentId = semester.studentId,
+        name = it.name,
+        subject = it.subject,
+        shortName = it.short,
+        classId = semester.classId
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/mappers/TimetableMapper.kt b/app/src/main/java/io/github/wulkanowy/data/mappers/TimetableMapper.kt
new file mode 100644
index 000000000..ffd2ae34e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/mappers/TimetableMapper.kt
@@ -0,0 +1,41 @@
+package io.github.wulkanowy.data.mappers
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.sdk.pojo.Timetable as SdkTimetable
+import io.github.wulkanowy.sdk.pojo.TimetableAdditional as SdkTimetableAdditional
+
+fun List<SdkTimetable>.mapToEntities(semester: Semester) = map {
+    Timetable(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        number = it.number,
+        start = it.start,
+        end = it.end,
+        date = it.date,
+        subject = it.subject,
+        subjectOld = it.subjectOld,
+        group = it.group,
+        room = it.room,
+        roomOld = it.roomOld,
+        teacher = it.teacher,
+        teacherOld = it.teacherOld,
+        info = it.info,
+        isStudentPlan = it.studentPlan,
+        changes = it.changes,
+        canceled = it.canceled
+    )
+}
+
+@JvmName("mapToEntitiesTimetableAdditional")
+fun List<SdkTimetableAdditional>.mapToEntities(semester: Semester) = map {
+    TimetableAdditional(
+        studentId = semester.studentId,
+        diaryId = semester.diaryId,
+        subject = it.subject,
+        date = it.date,
+        start = it.start,
+        end = it.end
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/pojos/Contributor.kt b/app/src/main/java/io/github/wulkanowy/data/pojos/Contributor.kt
new file mode 100644
index 000000000..d2338c281
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/pojos/Contributor.kt
@@ -0,0 +1,9 @@
+package io.github.wulkanowy.data.pojos
+
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+class Contributor(
+    val displayName: String,
+    val githubUsername: String
+)
diff --git a/app/src/main/java/io/github/wulkanowy/data/pojos/GradeStatisticsItem.kt b/app/src/main/java/io/github/wulkanowy/data/pojos/GradeStatisticsItem.kt
new file mode 100644
index 000000000..bdcd049df
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/pojos/GradeStatisticsItem.kt
@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.pojos
+
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import io.github.wulkanowy.data.db.entities.GradePointsStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+
+data class GradeStatisticsItem(
+
+    val type: DataType,
+
+    val average: String,
+
+    val partial: GradePartialStatistics?,
+
+    val semester: GradeSemesterStatistics?,
+
+    val points: GradePointsStatistics?
+
+) {
+    enum class DataType {
+        SEMESTER,
+        PARTIAL,
+        POINTS,
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/AppCreatorRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/AppCreatorRepository.kt
new file mode 100644
index 000000000..aea8632ac
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/AppCreatorRepository.kt
@@ -0,0 +1,24 @@
+package io.github.wulkanowy.data.repositories
+
+import android.content.res.AssetManager
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.utils.DispatchersProvider
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AppCreatorRepository @Inject constructor(
+    private val assets: AssetManager,
+    private val dispatchers: DispatchersProvider
+) {
+
+    suspend fun getAppCreators() = withContext(dispatchers.backgroundThread) {
+        val moshi = Moshi.Builder().build()
+        val type = Types.newParameterizedType(List::class.java, Contributor::class.java)
+        val adapter = moshi.adapter<List<Contributor>>(type)
+        adapter.fromJson(assets.open("contributors.json").bufferedReader().use { it.readText() })
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt
new file mode 100644
index 000000000..ffccb059e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt
@@ -0,0 +1,61 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.AttendanceDao
+import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Absent
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalTime
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AttendanceRepository @Inject constructor(
+    private val attendanceDb: AttendanceDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "attendance"
+
+    fun getAttendance(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        query = { attendanceDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getAttendance(start.monday, end.sunday, semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            attendanceDb.deleteAll(old uniqueSubtract new)
+            attendanceDb.insertAll(new uniqueSubtract old)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+        },
+        filterResult = { it.filter { item -> item.date in start..end } }
+    )
+
+    suspend fun excuseForAbsence(student: Student, semester: Semester, absenceList: List<Attendance>, reason: String? = null) {
+        sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear).excuseForAbsence(absenceList.map { attendance ->
+            Absent(
+                date = LocalDateTime.of(attendance.date, LocalTime.of(0, 0)),
+                timeId = attendance.timeId
+            )
+        }, reason)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceSummaryRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceSummaryRepository.kt
new file mode 100644
index 000000000..cd4403c7d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceSummaryRepository.kt
@@ -0,0 +1,43 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AttendanceSummaryRepository @Inject constructor(
+    private val attendanceDb: AttendanceSummaryDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "attendance_summary"
+
+    fun getAttendanceSummary(student: Student, semester: Semester, subjectId: Int, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester)) },
+        query = { attendanceDb.loadAll(semester.diaryId, semester.studentId, subjectId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getAttendanceSummary(subjectId)
+                .mapToEntities(semester, subjectId)
+        },
+        saveFetchResult = { old, new ->
+            attendanceDb.deleteAll(old uniqueSubtract new)
+            attendanceDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
+        }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepository.kt
new file mode 100644
index 000000000..99ef56f4b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepository.kt
@@ -0,0 +1,47 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class CompletedLessonsRepository @Inject constructor(
+    private val completedLessonsDb: CompletedLessonsDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "completed"
+
+    fun getCompletedLessons(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        query = { completedLessonsDb.loadAll(semester.studentId, semester.diaryId, start.monday, end.sunday) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getCompletedLessons(start.monday, end.sunday)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            completedLessonsDb.deleteAll(old uniqueSubtract new)
+            completedLessonsDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+        },
+        filterResult = { it.filter { item -> item.date in start..end } }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/ConferenceRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/ConferenceRepository.kt
new file mode 100644
index 000000000..0a839d27b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/ConferenceRepository.kt
@@ -0,0 +1,43 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.ConferenceDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ConferenceRepository @Inject constructor(
+    private val conferenceDb: ConferenceDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "conference"
+
+    fun getConferences(student: Student, semester: Semester, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester)) },
+        query = { conferenceDb.loadAll(semester.diaryId, student.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getConferences()
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            conferenceDb.deleteAll(old uniqueSubtract new)
+            conferenceDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
+        }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/ExamRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/ExamRepository.kt
new file mode 100644
index 000000000..a8912f100
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/ExamRepository.kt
@@ -0,0 +1,47 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.ExamDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.endExamsDay
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.startExamsDay
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ExamRepository @Inject constructor(
+    private val examDb: ExamDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "exam"
+
+    fun getExams(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        query = { examDb.loadAll(semester.diaryId, semester.studentId, start.startExamsDay, start.endExamsDay) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getExams(start.startExamsDay, start.endExamsDay, semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            examDb.deleteAll(old uniqueSubtract new)
+            examDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+        },
+        filterResult = { it.filter { item -> item.date in start..end } }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/GradeRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/GradeRepository.kt
new file mode 100644
index 000000000..9880e4641
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/GradeRepository.kt
@@ -0,0 +1,136 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.GradeDao
+import io.github.wulkanowy.data.db.dao.GradeSummaryDao
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDateTime
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class GradeRepository @Inject constructor(
+    private val gradeDb: GradeDao,
+    private val gradeSummaryDb: GradeSummaryDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "grade"
+
+    fun getGrades(student: Student, semester: Semester, forceRefresh: Boolean, notify: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { (details, summaries) ->
+            val isShouldBeRefreshed = refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester))
+            details.isEmpty() || summaries.isEmpty() || forceRefresh || isShouldBeRefreshed
+        },
+        query = {
+            val detailsFlow = gradeDb.loadAll(semester.semesterId, semester.studentId)
+            val summaryFlow = gradeSummaryDb.loadAll(semester.semesterId, semester.studentId)
+            detailsFlow.combine(summaryFlow) { details, summaries -> details to summaries }
+        },
+        fetch = {
+            val (details, summary) = sdk.init(student)
+                .switchDiary(semester.diaryId, semester.schoolYear)
+                .getGrades(semester.semesterId)
+
+            details.mapToEntities(semester) to summary.mapToEntities(semester)
+        },
+        saveFetchResult = { (oldDetails, oldSummary), (newDetails, newSummary) ->
+            refreshGradeDetails(student, oldDetails, newDetails, notify)
+            refreshGradeSummaries(oldSummary, newSummary, notify)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
+        }
+    )
+
+    private suspend fun refreshGradeDetails(student: Student, oldGrades: List<Grade>, newDetails: List<Grade>, notify: Boolean) {
+        val notifyBreakDate = oldGrades.maxByOrNull { it.date }?.date ?: student.registrationDate.toLocalDate()
+        gradeDb.deleteAll(oldGrades uniqueSubtract newDetails)
+        gradeDb.insertAll((newDetails uniqueSubtract oldGrades).onEach {
+            if (it.date >= notifyBreakDate) it.apply {
+                isRead = false
+                if (notify) isNotified = false
+            }
+        })
+    }
+
+    private suspend fun refreshGradeSummaries(oldSummaries: List<GradeSummary>, newSummary: List<GradeSummary>, notify: Boolean) {
+        gradeSummaryDb.deleteAll(oldSummaries uniqueSubtract newSummary)
+        gradeSummaryDb.insertAll((newSummary uniqueSubtract oldSummaries).onEach { summary ->
+            val oldSummary = oldSummaries.find { oldSummary -> oldSummary.subject == summary.subject }
+            summary.isPredictedGradeNotified = when {
+                summary.predictedGrade.isEmpty() -> true
+                notify && oldSummary?.predictedGrade != summary.predictedGrade -> false
+                else -> true
+            }
+            summary.isFinalGradeNotified = when {
+                summary.finalGrade.isEmpty() -> true
+                notify && oldSummary?.finalGrade != summary.finalGrade -> false
+                else -> true
+            }
+
+            summary.predictedGradeLastChange = when {
+                oldSummary == null -> LocalDateTime.now()
+                summary.predictedGrade != oldSummary.predictedGrade -> LocalDateTime.now()
+                else -> oldSummary.predictedGradeLastChange
+            }
+            summary.finalGradeLastChange = when {
+                oldSummary == null -> LocalDateTime.now()
+                summary.finalGrade != oldSummary.finalGrade -> LocalDateTime.now()
+                else -> oldSummary.finalGradeLastChange
+            }
+        })
+    }
+
+    fun getUnreadGrades(semester: Semester): Flow<List<Grade>> {
+        return gradeDb.loadAll(semester.semesterId, semester.studentId).map {
+            it.filter { grade -> !grade.isRead }
+        }
+    }
+
+    fun getNotNotifiedGrades(semester: Semester): Flow<List<Grade>> {
+        return gradeDb.loadAll(semester.semesterId, semester.studentId).map {
+            it.filter { grade -> !grade.isNotified }
+        }
+    }
+
+    fun getNotNotifiedPredictedGrades(semester: Semester): Flow<List<GradeSummary>> {
+        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId).map {
+            it.filter { gradeSummary -> !gradeSummary.isPredictedGradeNotified }
+        }
+    }
+
+    fun getNotNotifiedFinalGrades(semester: Semester): Flow<List<GradeSummary>> {
+        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId).map {
+            it.filter { gradeSummary -> !gradeSummary.isFinalGradeNotified }
+        }
+    }
+
+    suspend fun updateGrade(grade: Grade) {
+        return gradeDb.updateAll(listOf(grade))
+    }
+
+    suspend fun updateGrades(grades: List<Grade>) {
+        return gradeDb.updateAll(grades)
+    }
+
+    suspend fun updateGradesSummary(gradesSummary: List<GradeSummary>) {
+        return gradeSummaryDb.updateAll(gradesSummary)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepository.kt
new file mode 100644
index 000000000..9cd8e711d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepository.kt
@@ -0,0 +1,152 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapPartialToStatisticItems
+import io.github.wulkanowy.data.mappers.mapPointsToStatisticsItems
+import io.github.wulkanowy.data.mappers.mapSemesterToStatisticItems
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import java.util.Locale
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class GradeStatisticsRepository @Inject constructor(
+    private val gradePartialStatisticsDb: GradePartialStatisticsDao,
+    private val gradePointsStatisticsDb: GradePointsStatisticsDao,
+    private val gradeSemesterStatisticsDb: GradeSemesterStatisticsDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val partialMutex = Mutex()
+    private val semesterMutex = Mutex()
+    private val pointsMutex = Mutex()
+
+    private val partialCacheKey = "grade_stats_partial"
+    private val semesterCacheKey = "grade_stats_semester"
+    private val pointsCacheKey = "grade_stats_points"
+
+    fun getGradesPartialStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
+        mutex = partialMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(partialCacheKey, semester)) },
+        query = { gradePartialStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getGradesPartialStatistics(semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            gradePartialStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradePartialStatisticsDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(partialCacheKey, semester))
+        },
+        mapResult = { items ->
+            when (subjectName) {
+                "Wszystkie" -> {
+                    val numerator = items.map {
+                        it.classAverage.replace(",", ".").toDoubleOrNull() ?: .0
+                    }.filterNot { it == .0 }
+                    (items.reversed() + GradePartialStatistics(
+                        studentId = semester.studentId,
+                        semesterId = semester.semesterId,
+                        subject = subjectName,
+                        classAverage = if (numerator.isEmpty()) "" else numerator.average().let {
+                            "%.2f".format(Locale.FRANCE, it)
+                        },
+                        studentAverage = "",
+                        classAmounts = items.map { it.classAmounts }.sumGradeAmounts(),
+                        studentAmounts = items.map { it.studentAmounts }.sumGradeAmounts()
+                    )).reversed()
+                }
+                else -> items.filter { it.subject == subjectName }
+            }.mapPartialToStatisticItems()
+        }
+    )
+
+    fun getGradesSemesterStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
+        mutex = semesterMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(semesterCacheKey, semester)) },
+        query = { gradeSemesterStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getGradesSemesterStatistics(semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            gradeSemesterStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradeSemesterStatisticsDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(semesterCacheKey, semester))
+        },
+        mapResult = { items ->
+            val itemsWithAverage = items.map { item ->
+                item.copy().apply {
+                    val denominator = item.amounts.sum()
+                    average = if (denominator == 0) "" else (item.amounts.mapIndexed { gradeValue, amount ->
+                        (gradeValue + 1) * amount
+                    }.sum().toDouble() / denominator).let {
+                        "%.2f".format(Locale.FRANCE, it)
+                    }
+                }
+            }
+            when (subjectName) {
+                "Wszystkie" -> (itemsWithAverage.reversed() + GradeSemesterStatistics(
+                    studentId = semester.studentId,
+                    semesterId = semester.semesterId,
+                    subject = subjectName,
+                    amounts = itemsWithAverage.map { it.amounts }.sumGradeAmounts(),
+                    studentGrade = 0
+                ).apply {
+                    average = itemsWithAverage.mapNotNull { it.average.replace(",", ".").toDoubleOrNull() }.average().let {
+                        "%.2f".format(Locale.FRANCE, it)
+                    }
+                }).reversed()
+                else -> itemsWithAverage.filter { it.subject == subjectName }
+            }.mapSemesterToStatisticItems()
+        }
+    )
+
+    fun getGradesPointsStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
+        mutex = pointsMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(pointsCacheKey, semester)) },
+        query = { gradePointsStatisticsDb.loadAll(semester.semesterId, semester.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getGradesPointsStatistics(semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            gradePointsStatisticsDb.deleteAll(old uniqueSubtract new)
+            gradePointsStatisticsDb.insertAll(new uniqueSubtract old)
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(pointsCacheKey, semester))
+        },
+        mapResult = { items ->
+            when (subjectName) {
+                "Wszystkie" -> items
+                else -> items.filter { it.subject == subjectName }
+            }.mapPointsToStatisticsItems()
+        }
+    )
+
+    private fun List<List<Int>>.sumGradeAmounts(): List<Int> {
+        val result = mutableListOf(0, 0, 0, 0, 0, 0)
+        forEach {
+            it.forEachIndexed { grade, amount ->
+                result[grade] += amount
+            }
+        }
+        return result
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/HomeworkRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/HomeworkRepository.kt
new file mode 100644
index 000000000..068fd9a5c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/HomeworkRepository.kt
@@ -0,0 +1,54 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.HomeworkDao
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class HomeworkRepository @Inject constructor(
+    private val homeworkDb: HomeworkDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "homework"
+
+    fun getHomework(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        query = { homeworkDb.loadAll(semester.semesterId, semester.studentId, start.monday, end.sunday) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getHomework(start.monday, end.sunday)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            homeworkDb.deleteAll(old uniqueSubtract new)
+            homeworkDb.insertAll(new uniqueSubtract old)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+        }
+    )
+
+    suspend fun toggleDone(homework: Homework) {
+        homeworkDb.updateAll(listOf(homework.apply {
+            isDone = !isDone
+        }))
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/LoggerRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/LoggerRepository.kt
new file mode 100644
index 000000000..6d509b026
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/LoggerRepository.kt
@@ -0,0 +1,38 @@
+package io.github.wulkanowy.data.repositories
+
+import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.utils.DispatchersProvider
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.io.FileNotFoundException
+import javax.inject.Inject
+
+class LoggerRepository @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val dispatchers: DispatchersProvider
+) {
+
+    suspend fun getLastLogLines() = getLastModified().readText().split("\n")
+
+    suspend fun getLogFiles() = withContext(dispatchers.backgroundThread) {
+        File(context.filesDir.absolutePath).listFiles(File::isFile)?.filter {
+            it.name.endsWith(".log")
+        }!!
+    }
+
+    private suspend fun getLastModified(): File {
+        return withContext(dispatchers.backgroundThread) {
+            var lastModifiedTime = Long.MIN_VALUE
+            var chosenFile: File? = null
+            File(context.filesDir.absolutePath).listFiles(File::isFile)?.forEach { file ->
+                if (file.lastModified() > lastModifiedTime) {
+                    lastModifiedTime = file.lastModified()
+                    chosenFile = file
+                }
+            }
+            if (chosenFile == null) throw FileNotFoundException("Log file not found")
+            chosenFile!!
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/LuckyNumberRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/LuckyNumberRepository.kt
new file mode 100644
index 000000000..b904b7dba
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/LuckyNumberRepository.kt
@@ -0,0 +1,49 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.LuckyNumberDao
+import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import java.time.LocalDate.now
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class LuckyNumberRepository @Inject constructor(
+    private val luckyNumberDb: LuckyNumberDao,
+    private val sdk: Sdk
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getLuckyNumber(student: Student, forceRefresh: Boolean, notify: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it == null || forceRefresh },
+        query = { luckyNumberDb.load(student.studentId, now()) },
+        fetch = { sdk.init(student).getLuckyNumber(student.schoolShortName)?.mapToEntity(student) },
+        saveFetchResult = { old, new ->
+            if (new != old) {
+                old?.let { luckyNumberDb.deleteAll(listOfNotNull(it)) }
+                luckyNumberDb.insertAll(listOfNotNull((new?.apply {
+                    if (notify) isNotified = false
+                })))
+            }
+        }
+    )
+
+    fun getLuckyNumberHistory(student: Student, start: LocalDate, end: LocalDate) =
+        luckyNumberDb.getAll(student.studentId, start, end)
+
+    suspend fun getNotNotifiedLuckyNumber(student: Student) = luckyNumberDb.load(student.studentId, now()).map {
+        if (it?.isNotified == false) it else null
+    }.first()
+
+    suspend fun updateLuckyNumber(luckyNumber: LuckyNumber?) = luckyNumberDb.updateAll(listOfNotNull(luckyNumber))
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt
new file mode 100644
index 000000000..5f5554187
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt
@@ -0,0 +1,106 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.MessageAttachmentDao
+import io.github.wulkanowy.data.db.dao.MessagesDao
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.Recipient
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.enums.MessageFolder
+import io.github.wulkanowy.data.enums.MessageFolder.RECEIVED
+import io.github.wulkanowy.data.mappers.mapFromEntities
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Folder
+import io.github.wulkanowy.sdk.pojo.SentMessage
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.sync.Mutex
+import timber.log.Timber
+import java.time.LocalDateTime.now
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class MessageRepository @Inject constructor(
+    private val messagesDb: MessagesDao,
+    private val messageAttachmentDao: MessageAttachmentDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "message"
+
+    @Suppress("UNUSED_PARAMETER")
+    fun getMessages(student: Student, semester: Semester, folder: MessageFolder, forceRefresh: Boolean, notify: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, student, folder)) },
+        query = { messagesDb.loadAll(student.id.toInt(), folder.id) },
+        fetch = { sdk.init(student).getMessages(Folder.valueOf(folder.name), now().minusMonths(3), now()).mapToEntities(student) },
+        saveFetchResult = { old, new ->
+            messagesDb.deleteAll(old uniqueSubtract new)
+            messagesDb.insertAll((new uniqueSubtract old).onEach {
+                it.isNotified = !notify
+            })
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student, folder))
+        }
+    )
+
+    fun getMessage(student: Student, message: Message, markAsRead: Boolean = false) = networkBoundResource(
+        shouldFetch = {
+            checkNotNull(it, { "This message no longer exist!" })
+            Timber.d("Message content in db empty: ${it.message.content.isEmpty()}")
+            it.message.unread || it.message.content.isEmpty()
+        },
+        query = { messagesDb.loadMessageWithAttachment(student.id.toInt(), message.messageId) },
+        fetch = {
+            sdk.init(student).getMessageDetails(it!!.message.messageId, message.folderId, markAsRead, message.realId).let { details ->
+                details.content to details.attachments.mapToEntities()
+            }
+        },
+        saveFetchResult = { old, (downloadedMessage, attachments) ->
+            checkNotNull(old, { "Fetched message no longer exist!" })
+            messagesDb.updateAll(listOf(old.message.copy(unread = !markAsRead).apply {
+                id = old.message.id
+                content = content.ifBlank { downloadedMessage }
+            }))
+            messageAttachmentDao.insertAttachments(attachments)
+            Timber.d("Message ${message.messageId} with blank content: ${old.message.content.isBlank()}, marked as read")
+        }
+    )
+
+    fun getNotNotifiedMessages(student: Student): Flow<List<Message>> {
+        return messagesDb.loadAll(student.id.toInt(), RECEIVED.id).map { it.filter { message -> !message.isNotified && message.unread } }
+    }
+
+    suspend fun updateMessages(messages: List<Message>) {
+        return messagesDb.updateAll(messages)
+    }
+
+    suspend fun sendMessage(student: Student, subject: String, content: String, recipients: List<Recipient>): SentMessage {
+        return sdk.init(student).sendMessage(
+            subject = subject,
+            content = content,
+            recipients = recipients.mapFromEntities()
+        )
+    }
+
+    suspend fun deleteMessage(student: Student, message: Message) {
+        val isDeleted = sdk.init(student).deleteMessages(listOf(message.messageId), message.folderId)
+
+        if (message.folderId != MessageFolder.TRASHED.id) {
+            if (isDeleted) messagesDb.updateAll(listOf(message.copy(folderId = MessageFolder.TRASHED.id).apply {
+                id = message.id
+                content = message.content
+            }))
+        } else messagesDb.deleteAll(listOf(message))
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/MobileDeviceRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/MobileDeviceRepository.kt
new file mode 100644
index 000000000..4b333bc6d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/MobileDeviceRepository.kt
@@ -0,0 +1,60 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.MobileDeviceDao
+import io.github.wulkanowy.data.db.entities.MobileDevice
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.data.mappers.mapToMobileDeviceToken
+import io.github.wulkanowy.data.pojos.MobileDeviceToken
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class MobileDeviceRepository @Inject constructor(
+    private val mobileDb: MobileDeviceDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "devices"
+
+    fun getDevices(student: Student, semester: Semester, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, student)) },
+        query = { mobileDb.loadAll(student.userLoginId.takeIf { it != 0 } ?: student.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getRegisteredDevices()
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            mobileDb.deleteAll(old uniqueSubtract new)
+            mobileDb.insertAll(new uniqueSubtract old)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
+        }
+    )
+
+    suspend fun unregisterDevice(student: Student, semester: Semester, device: MobileDevice) {
+        sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .unregisterDevice(device.deviceId)
+
+        mobileDb.deleteAll(listOf(device))
+    }
+
+    suspend fun getToken(student: Student, semester: Semester): MobileDeviceToken {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getToken()
+            .mapToMobileDeviceToken()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/NoteRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/NoteRepository.kt
new file mode 100644
index 000000000..85339dfa9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/NoteRepository.kt
@@ -0,0 +1,64 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.NoteDao
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class NoteRepository @Inject constructor(
+    private val noteDb: NoteDao,
+    private val sdk: Sdk,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "note"
+
+    fun getNotes(student: Student, semester: Semester, forceRefresh: Boolean, notify: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester)) },
+        query = { noteDb.loadAll(student.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getNotes(semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            noteDb.deleteAll(old uniqueSubtract new)
+            noteDb.insertAll((new uniqueSubtract old).onEach {
+                if (it.date >= student.registrationDate.toLocalDate()) it.apply {
+                    isRead = false
+                    if (notify) isNotified = false
+                }
+            })
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester))
+        }
+    )
+
+    fun getNotNotifiedNotes(student: Student): Flow<List<Note>> {
+        return noteDb.loadAll(student.studentId).map { it.filter { note -> !note.isNotified } }
+    }
+
+    suspend fun updateNote(note: Note) {
+        noteDb.updateAll(listOf(note))
+    }
+
+    suspend fun updateNotes(notes: List<Note>) {
+        noteDb.updateAll(notes)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt
new file mode 100644
index 000000000..5bd1f3c12
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt
@@ -0,0 +1,162 @@
+package io.github.wulkanowy.data.repositories
+
+import android.content.Context
+import android.content.SharedPreferences
+import androidx.core.content.edit
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.modules.grade.GradeAverageMode
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class PreferencesRepository @Inject constructor(
+    private val sharedPref: SharedPreferences,
+    @ApplicationContext val context: Context
+) {
+    val startMenuIndex: Int
+        get() = getString(R.string.pref_key_start_menu, R.string.pref_default_startup).toInt()
+
+    val isShowPresent: Boolean
+        get() = getBoolean(
+            R.string.pref_key_attendance_present,
+            R.bool.pref_default_attendance_present
+        )
+
+    val gradeAverageMode: GradeAverageMode
+        get() = GradeAverageMode.getByValue(
+            getString(
+                R.string.pref_key_grade_average_mode,
+                R.string.pref_default_grade_average_mode
+            )
+        )
+
+    val gradeAverageForceCalc: Boolean
+        get() = getBoolean(
+            R.string.pref_key_grade_average_force_calc,
+            R.bool.pref_default_grade_average_force_calc
+        )
+
+    val isGradeExpandable: Boolean
+        get() = !getBoolean(R.string.pref_key_expand_grade, R.bool.pref_default_expand_grade)
+
+    val showAllSubjectsOnStatisticsList: Boolean
+        get() = getBoolean(
+            R.string.pref_key_grade_statistics_list,
+            R.bool.pref_default_grade_statistics_list
+        )
+
+    val appThemeKey = context.getString(R.string.pref_key_app_theme)
+    val appTheme: String
+        get() = getString(appThemeKey, R.string.pref_default_app_theme)
+
+    val gradeColorTheme: String
+        get() = getString(
+            R.string.pref_key_grade_color_scheme,
+            R.string.pref_default_grade_color_scheme
+        )
+
+    val appLanguageKey = context.getString(R.string.pref_key_app_language)
+    val appLanguage
+        get() = getString(appLanguageKey, R.string.pref_default_app_language)
+
+    val serviceEnableKey = context.getString(R.string.pref_key_services_enable)
+    val isServiceEnabled: Boolean
+        get() = getBoolean(serviceEnableKey, R.bool.pref_default_services_enable)
+
+    val servicesIntervalKey = context.getString(R.string.pref_key_services_interval)
+    val servicesInterval: Long
+        get() = getString(servicesIntervalKey, R.string.pref_default_services_interval).toLong()
+
+    val servicesOnlyWifiKey = context.getString(R.string.pref_key_services_wifi_only)
+    val isServicesOnlyWifi: Boolean
+        get() = getBoolean(servicesOnlyWifiKey, R.bool.pref_default_services_wifi_only)
+
+    val notificationsEnableKey = context.getString(R.string.pref_key_notifications_enable)
+    val isNotificationsEnable: Boolean
+        get() = getBoolean(notificationsEnableKey, R.bool.pref_default_notifications_enable)
+
+    val isUpcomingLessonsNotificationsEnableKey =
+        context.getString(R.string.pref_key_notifications_upcoming_lessons_enable)
+    val isUpcomingLessonsNotificationsEnable: Boolean
+        get() = getBoolean(
+            isUpcomingLessonsNotificationsEnableKey,
+            R.bool.pref_default_notification_upcoming_lessons_enable
+        )
+
+    val isDebugNotificationEnableKey = context.getString(R.string.pref_key_notification_debug)
+    val isDebugNotificationEnable: Boolean
+        get() = getBoolean(isDebugNotificationEnableKey, R.bool.pref_default_notification_debug)
+
+    val gradePlusModifier: Double
+        get() = getString(
+            R.string.pref_key_grade_modifier_plus,
+            R.string.pref_default_grade_modifier_plus
+        ).toDouble()
+
+    val gradeMinusModifier: Double
+        get() = getString(
+            R.string.pref_key_grade_modifier_minus,
+            R.string.pref_default_grade_modifier_minus
+        ).toDouble()
+
+    val fillMessageContent: Boolean
+        get() = getBoolean(
+            R.string.pref_key_fill_message_content,
+            R.bool.pref_default_fill_message_content
+        )
+
+    val showGroupsInPlan: Boolean
+        get() = getBoolean(
+            R.string.pref_key_timetable_show_groups,
+            R.bool.pref_default_timetable_show_groups
+        )
+
+    val showWholeClassPlan: String
+        get() = getString(
+            R.string.pref_key_timetable_show_whole_class,
+            R.string.pref_default_timetable_show_whole_class
+        )
+
+    val gradeSortingMode: GradeSortingMode
+        get() = GradeSortingMode.getByValue(
+            getString(
+                R.string.pref_key_grade_sorting_mode,
+                R.string.pref_default_grade_sorting_mode
+            )
+        )
+
+    val showTimetableTimers: Boolean
+        get() = getBoolean(
+            R.string.pref_key_timetable_show_timers,
+            R.bool.pref_default_timetable_show_timers
+        )
+
+    var isHomeworkFullscreen: Boolean
+        get() = getBoolean(
+            R.string.pref_key_homework_fullscreen,
+            R.bool.pref_default_homework_fullscreen
+        )
+        set(value) = sharedPref.edit().putBoolean("homework_fullscreen", value).apply()
+
+    val showSubjectsWithoutGrades: Boolean
+        get() = getBoolean(
+            R.string.pref_key_subjects_without_grades,
+            R.bool.pref_default_subjects_without_grades
+        )
+
+    var isKitkatDialogDisabled: Boolean
+        get() = sharedPref.getBoolean("kitkat_dialog_disabled", false)
+        set(value) = sharedPref.edit { putBoolean("kitkat_dialog_disabled", value) }
+
+    private fun getString(id: Int, default: Int) = getString(context.getString(id), default)
+
+    private fun getString(id: String, default: Int) =
+        sharedPref.getString(id, context.getString(default)) ?: context.getString(default)
+
+    private fun getBoolean(id: Int, default: Int) = getBoolean(context.getString(id), default)
+
+    private fun getBoolean(id: String, default: Int) =
+        sharedPref.getBoolean(id, context.resources.getBoolean(default))
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/RecipientRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/RecipientRepository.kt
new file mode 100644
index 000000000..975a30a20
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/RecipientRepository.kt
@@ -0,0 +1,40 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.RecipientDao
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.Recipient
+import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.uniqueSubtract
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RecipientRepository @Inject constructor(
+    private val recipientDb: RecipientDao,
+    private val sdk: Sdk
+) {
+
+    suspend fun refreshRecipients(student: Student, unit: ReportingUnit, role: Int) {
+        val new = sdk.init(student).getRecipients(unit.unitId, role).mapToEntities(unit.studentId)
+        val old = recipientDb.loadAll(unit.studentId, unit.unitId, role)
+
+        recipientDb.deleteAll(old uniqueSubtract new)
+        recipientDb.insertAll(new uniqueSubtract old)
+    }
+
+    suspend fun getRecipients(student: Student, unit: ReportingUnit, role: Int): List<Recipient> {
+        return recipientDb.loadAll(unit.studentId, unit.unitId, role).ifEmpty {
+            refreshRecipients(student, unit, role)
+
+            recipientDb.loadAll(unit.studentId, unit.unitId, role)
+        }
+    }
+
+    suspend fun getMessageRecipients(student: Student, message: Message): List<Recipient> {
+        return sdk.init(student).getMessageRecipients(message.messageId, message.senderId).mapToEntities(student.studentId)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/RecoverRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/RecoverRepository.kt
new file mode 100644
index 000000000..5e1063558
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/RecoverRepository.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.sdk.Sdk
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RecoverRepository @Inject constructor(private val sdk: Sdk) {
+
+    suspend fun getReCaptchaSiteKey(host: String, symbol: String): Pair<String, String> {
+        return sdk.getPasswordResetCaptchaCode(host, symbol)
+    }
+
+    suspend fun sendRecoverRequest(url: String, symbol: String, email: String, reCaptchaResponse: String): String {
+        return sdk.sendPasswordResetRequest(url, symbol, email, reCaptchaResponse)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/ReportingUnitRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/ReportingUnitRepository.kt
new file mode 100644
index 000000000..b9caf978b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/ReportingUnitRepository.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.ReportingUnitDao
+import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.uniqueSubtract
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ReportingUnitRepository @Inject constructor(
+    private val reportingUnitDb: ReportingUnitDao,
+    private val sdk: Sdk
+) {
+
+    suspend fun refreshReportingUnits(student: Student) {
+        val new = sdk.init(student).getReportingUnits().mapToEntities(student)
+        val old = reportingUnitDb.load(student.id.toInt())
+
+        reportingUnitDb.deleteAll(old.uniqueSubtract(new))
+        reportingUnitDb.insertAll(new.uniqueSubtract(old))
+    }
+
+    suspend fun getReportingUnits(student: Student): List<ReportingUnit> {
+        return reportingUnitDb.load(student.id.toInt()).ifEmpty {
+            refreshReportingUnits(student)
+
+            reportingUnitDb.load(student.id.toInt())
+        }
+    }
+
+    suspend fun getReportingUnit(student: Student, unitId: Int): ReportingUnit? {
+        return reportingUnitDb.loadOne(student.id.toInt(), unitId) ?: run {
+            refreshReportingUnits(student)
+
+            return reportingUnitDb.loadOne(student.id.toInt(), unitId)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/SchoolRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/SchoolRepository.kt
new file mode 100644
index 000000000..8b59cb589
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/SchoolRepository.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.SchoolDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SchoolRepository @Inject constructor(
+    private val schoolDb: SchoolDao,
+    private val sdk: Sdk
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getSchoolInfo(student: Student, semester: Semester, forceRefresh: Boolean) =
+        networkBoundResource(
+            mutex = saveFetchResultMutex,
+            shouldFetch = { it == null || forceRefresh },
+            query = { schoolDb.load(semester.studentId, semester.classId) },
+            fetch = {
+                sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear).getSchool()
+                    .mapToEntity(semester)
+            },
+            saveFetchResult = { old, new ->
+                if (old != null && new != old) {
+                    with(schoolDb) {
+                        deleteAll(listOf(old))
+                        insertAll(listOf(new))
+                    }
+                } else if (old == null) {
+                    schoolDb.insertAll(listOf(new))
+                }
+            }
+        )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/SemesterRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/SemesterRepository.kt
new file mode 100644
index 000000000..8942391c8
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/SemesterRepository.kt
@@ -0,0 +1,58 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.SemesterDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.getCurrentOrLast
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.isCurrent
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.withContext
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SemesterRepository @Inject constructor(
+    private val semesterDb: SemesterDao,
+    private val sdk: Sdk,
+    private val dispatchers: DispatchersProvider
+) {
+
+    suspend fun getSemesters(student: Student, forceRefresh: Boolean = false, refreshOnNoCurrent: Boolean = false) = withContext(dispatchers.backgroundThread) {
+        val semesters = semesterDb.loadAll(student.studentId, student.classId)
+
+        if (isShouldFetch(student, semesters, forceRefresh, refreshOnNoCurrent)) {
+            refreshSemesters(student)
+            semesterDb.loadAll(student.studentId, student.classId)
+        } else semesters
+    }
+
+    private fun isShouldFetch(student: Student, semesters: List<Semester>, forceRefresh: Boolean, refreshOnNoCurrent: Boolean): Boolean {
+        val isNoSemesters = semesters.isEmpty()
+
+        val isRefreshOnModeChangeRequired = if (Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
+            semesters.firstOrNull { it.isCurrent }?.diaryId == 0
+        } else false
+
+        val isRefreshOnNoCurrentAppropriate = refreshOnNoCurrent && !semesters.any { semester -> semester.isCurrent }
+
+        return forceRefresh || isNoSemesters || isRefreshOnModeChangeRequired || isRefreshOnNoCurrentAppropriate
+    }
+
+    private suspend fun refreshSemesters(student: Student) {
+        val new = sdk.init(student).getSemesters().mapToEntities(student.studentId)
+        if (new.isEmpty()) return Timber.i("Empty semester list!")
+
+        val old = semesterDb.loadAll(student.studentId, student.classId)
+        semesterDb.deleteAll(old.uniqueSubtract(new))
+        semesterDb.insertSemesters(new.uniqueSubtract(old))
+    }
+
+    suspend fun getCurrentSemester(student: Student, forceRefresh: Boolean = false) = withContext(dispatchers.backgroundThread) {
+        getSemesters(student, forceRefresh).getCurrentOrLast()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/StudentInfoRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentInfoRepository.kt
new file mode 100644
index 000000000..de66ad20f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentInfoRepository.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.StudentInfoDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class StudentInfoRepository @Inject constructor(
+    private val studentInfoDao: StudentInfoDao,
+    private val sdk: Sdk
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getStudentInfo(student: Student, semester: Semester, forceRefresh: Boolean) =
+        networkBoundResource(
+            mutex = saveFetchResultMutex,
+            shouldFetch = { it == null || forceRefresh },
+            query = { studentInfoDao.loadStudentInfo(student.studentId) },
+            fetch = {
+                sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                    .getStudentInfo().mapToEntity(semester)
+            },
+            saveFetchResult = { old, new ->
+                if (old != null && new != old) {
+                    with(studentInfoDao) {
+                        deleteAll(listOf(old))
+                        insertAll(listOf(new))
+                    }
+                } else if (old == null) {
+                    studentInfoDao.insertAll(listOf(new))
+                }
+            }
+        )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt
new file mode 100644
index 000000000..c2f364b3d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt
@@ -0,0 +1,123 @@
+package io.github.wulkanowy.data.repositories
+
+import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.data.db.dao.SemesterDao
+import io.github.wulkanowy.data.db.dao.StudentDao
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.security.decrypt
+import io.github.wulkanowy.utils.security.encrypt
+import kotlinx.coroutines.withContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class StudentRepository @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val dispatchers: DispatchersProvider,
+    private val studentDb: StudentDao,
+    private val semesterDb: SemesterDao,
+    private val sdk: Sdk,
+    private val appInfo: AppInfo
+) {
+
+    suspend fun isStudentSaved() = getSavedStudents(false).isNotEmpty()
+
+    suspend fun isCurrentStudentSet() = studentDb.loadCurrent()?.isCurrent ?: false
+
+    suspend fun getStudentsApi(
+        pin: String,
+        symbol: String,
+        token: String
+    ): List<StudentWithSemesters> =
+        sdk.getStudentsFromMobileApi(token, pin, symbol, "")
+            .mapToEntities(colors = appInfo.defaultColorsForAvatar)
+
+    suspend fun getStudentsScrapper(
+        email: String,
+        password: String,
+        scrapperBaseUrl: String,
+        symbol: String
+    ): List<StudentWithSemesters> =
+        sdk.getStudentsFromScrapper(email, password, scrapperBaseUrl, symbol)
+            .mapToEntities(password, appInfo.defaultColorsForAvatar)
+
+    suspend fun getStudentsHybrid(
+        email: String,
+        password: String,
+        scrapperBaseUrl: String,
+        symbol: String
+    ): List<StudentWithSemesters> =
+        sdk.getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol)
+            .mapToEntities(password, appInfo.defaultColorsForAvatar)
+
+    suspend fun getSavedStudents(decryptPass: Boolean = true) =
+        studentDb.loadStudentsWithSemesters()
+            .map {
+                it.apply {
+                    if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
+                        student.password = withContext(dispatchers.backgroundThread) {
+                            decrypt(student.password)
+                        }
+                    }
+                }
+            }
+
+    suspend fun getStudentById(id: Long, decryptPass: Boolean = true): Student {
+        val student = studentDb.loadById(id) ?: throw NoCurrentStudentException()
+
+        if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
+            student.password = withContext(dispatchers.backgroundThread) {
+                decrypt(student.password)
+            }
+        }
+        return student
+    }
+
+    suspend fun getCurrentStudent(decryptPass: Boolean = true): Student {
+        val student = studentDb.loadCurrent() ?: throw NoCurrentStudentException()
+
+        if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
+            student.password = withContext(dispatchers.backgroundThread) {
+                decrypt(student.password)
+            }
+        }
+        return student
+    }
+
+    suspend fun saveStudents(studentsWithSemesters: List<StudentWithSemesters>): List<Long> {
+        val semesters = studentsWithSemesters.flatMap { it.semesters }
+        val students = studentsWithSemesters.map { it.student }
+            .map {
+                it.apply {
+                    if (Sdk.Mode.valueOf(it.loginMode) != Sdk.Mode.API) {
+                        password = withContext(dispatchers.backgroundThread) {
+                            encrypt(password, context)
+                        }
+                    }
+                }
+            }
+
+        semesterDb.insertSemesters(semesters)
+        return studentDb.insertAll(students)
+    }
+
+    suspend fun switchStudent(studentWithSemesters: StudentWithSemesters) {
+        with(studentDb) {
+            resetCurrent()
+            updateCurrent(studentWithSemesters.student.id)
+        }
+    }
+
+    suspend fun logoutStudent(student: Student) = studentDb.delete(student)
+
+    suspend fun updateStudentNickAndAvatar(studentNickAndAvatar: StudentNickAndAvatar) =
+        studentDb.update(studentNickAndAvatar)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/SubjectRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/SubjectRepository.kt
new file mode 100644
index 000000000..b4bfef188
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/SubjectRepository.kt
@@ -0,0 +1,36 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.SubjectDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SubjectRepository @Inject constructor(
+    private val subjectDao: SubjectDao,
+    private val sdk: Sdk
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getSubjects(student: Student, semester: Semester, forceRefresh: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh },
+        query = { subjectDao.loadAll(semester.diaryId, semester.studentId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getSubjects().mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            subjectDao.deleteAll(old uniqueSubtract new)
+            subjectDao.insertAll(new uniqueSubtract old)
+        }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/TeacherRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/TeacherRepository.kt
new file mode 100644
index 000000000..7135edbe9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/TeacherRepository.kt
@@ -0,0 +1,37 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.TeacherDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.sync.Mutex
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class TeacherRepository @Inject constructor(
+    private val teacherDb: TeacherDao,
+    private val sdk: Sdk
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getTeachers(student: Student, semester: Semester, forceRefresh: Boolean) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { it.isEmpty() || forceRefresh },
+        query = { teacherDb.loadAll(semester.studentId, semester.classId) },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getTeachers(semester.semesterId)
+                .mapToEntities(semester)
+        },
+        saveFetchResult = { old, new ->
+            teacherDb.deleteAll(old uniqueSubtract new)
+            teacherDb.insertAll(new uniqueSubtract old)
+        }
+    )
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt
new file mode 100644
index 000000000..927565b53
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt
@@ -0,0 +1,88 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
+import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.getRefreshKey
+import io.github.wulkanowy.utils.init
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.uniqueSubtract
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.sync.Mutex
+import java.time.LocalDate
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class TimetableRepository @Inject constructor(
+    private val timetableDb: TimetableDao,
+    private val timetableAdditionalDb: TimetableAdditionalDao,
+    private val sdk: Sdk,
+    private val schedulerHelper: TimetableNotificationSchedulerHelper,
+    private val refreshHelper: AutoRefreshHelper,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    private val cacheKey = "timetable"
+
+    fun getTimetable(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean, refreshAdditional: Boolean = false) = networkBoundResource(
+        mutex = saveFetchResultMutex,
+        shouldFetch = { (timetable, additional) -> timetable.isEmpty() || (additional.isEmpty() && refreshAdditional) || forceRefresh || refreshHelper.isShouldBeRefreshed(getRefreshKey(cacheKey, semester, start, end)) },
+        query = {
+            timetableDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)
+                .map { schedulerHelper.scheduleNotifications(it, student); it }
+                .combine(timetableAdditionalDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)) { timetable, additional ->
+                    timetable to additional
+                }
+        },
+        fetch = {
+            sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+                .getTimetable(start.monday, end.sunday)
+                .let { (normal, additional) -> normal.mapToEntities(semester) to additional.mapToEntities(semester) }
+
+        },
+        saveFetchResult = { (oldTimetable, oldAdditional), (newTimetable, newAdditional) ->
+            refreshTimetable(student, oldTimetable, newTimetable)
+            refreshAdditional(oldAdditional, newAdditional)
+
+            refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+        },
+        filterResult = { (timetable, additional) ->
+            timetable.filter { item ->
+                item.date in start..end
+            } to additional.filter { item ->
+                item.date in start..end
+            }
+        }
+    )
+
+    private suspend fun refreshTimetable(student: Student, old: List<Timetable>, new: List<Timetable>) {
+        timetableDb.deleteAll(old.uniqueSubtract(new).also { schedulerHelper.cancelScheduled(it) })
+        timetableDb.insertAll(new.uniqueSubtract(old).also { schedulerHelper.scheduleNotifications(it, student) }.map { item ->
+            item.also { new ->
+                old.singleOrNull { new.start == it.start }?.let { old ->
+                    return@map new.copy(
+                        room = if (new.room.isEmpty()) old.room else new.room,
+                        teacher = if (new.teacher.isEmpty() && !new.changes && !old.changes) old.teacher else new.teacher
+                    )
+                }
+            }
+        })
+    }
+
+    private suspend fun refreshAdditional(old: List<TimetableAdditional>, new: List<TimetableAdditional>) {
+        timetableAdditionalDb.deleteAll(old.uniqueSubtract(new))
+        timetableAdditionalDb.insertAll(new.uniqueSubtract(old))
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocal.kt
deleted file mode 100644
index 0f5873766..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendance
-
-import io.github.wulkanowy.data.db.dao.AttendanceDao
-import io.github.wulkanowy.data.db.entities.Attendance
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceLocal @Inject constructor(private val attendanceDb: AttendanceDao) {
-
-    fun saveAttendance(attendance: List<Attendance>) {
-        attendanceDb.insertAll(attendance)
-    }
-
-    fun deleteAttendance(attendance: List<Attendance>) {
-        attendanceDb.deleteAll(attendance)
-    }
-
-    fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Attendance>> {
-        return attendanceDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemote.kt
deleted file mode 100644
index b3544c3f5..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemote.kt
+++ /dev/null
@@ -1,36 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendance
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Attendance
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceRemote @Inject constructor(private val api: Api) {
-
-    fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Attendance>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getAttendance(startDate, endDate) }.map { attendance ->
-                attendance.map {
-                    Attendance(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
-                        number = it.number,
-                        subject = it.subject,
-                        name = it.name,
-                        presence = it.presence,
-                        absence = it.absence,
-                        exemption = it.exemption,
-                        lateness = it.lateness,
-                        excused = it.excused,
-                        deleted = it.deleted
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRepository.kt
deleted file mode 100644
index 85102b3c5..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRepository.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendance
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Attendance
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: AttendanceLocal,
-    private val remote: AttendanceRemote
-) {
-
-    fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean)
-        : Single<List<Attendance>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getAttendance(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
-                        if (it) remote.getAttendance(semester, dates.first, dates.second)
-                        else Single.error(UnknownHostException())
-                    }.flatMap { newAttendance ->
-                        local.getAttendance(semester, dates.first, dates.second)
-                            .toSingle(emptyList())
-                            .doOnSuccess { oldAttendance ->
-                                local.deleteAttendance(oldAttendance.uniqueSubtract(newAttendance))
-                                local.saveAttendance(newAttendance.uniqueSubtract(oldAttendance))
-                            }
-                    }.flatMap {
-                        local.getAttendance(semester, dates.first, dates.second)
-                            .toSingle(emptyList())
-                    }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryLocal.kt
deleted file mode 100644
index 2e9a10067..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryLocal.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendancesummary
-
-import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
-import io.github.wulkanowy.data.db.entities.AttendanceSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceSummaryLocal @Inject constructor(private val attendanceDb: AttendanceSummaryDao) {
-
-    fun saveAttendanceSummary(attendance: List<AttendanceSummary>) {
-        attendanceDb.insertAll(attendance)
-    }
-
-    fun deleteAttendanceSummary(attendance: List<AttendanceSummary>) {
-        attendanceDb.deleteAll(attendance)
-    }
-
-    fun getAttendanceSummary(semester: Semester, subjectId: Int): Maybe<List<AttendanceSummary>> {
-        return attendanceDb.loadAll(semester.diaryId, semester.studentId, subjectId).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRemote.kt
deleted file mode 100644
index d38dd3a4b..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRemote.kt
+++ /dev/null
@@ -1,33 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendancesummary
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.AttendanceSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceSummaryRemote @Inject constructor(private val api: Api) {
-
-    fun getAttendanceSummary(semester: Semester, subjectId: Int): Single<List<AttendanceSummary>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getAttendanceSummary(subjectId) }.map { attendance ->
-                attendance.map {
-                    AttendanceSummary(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        subjectId = subjectId,
-                        month = it.month,
-                        presence = it.presence,
-                        absence = it.absence,
-                        absenceExcused = it.absenceExcused,
-                        absenceForSchoolReasons = it.absenceForSchoolReasons,
-                        lateness = it.lateness,
-                        latenessExcused = it.latenessExcused,
-                        exemption = it.exemption
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRepository.kt
deleted file mode 100644
index c65870508..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/attendancesummary/AttendanceSummaryRepository.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendancesummary
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.AttendanceSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AttendanceSummaryRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: AttendanceSummaryLocal,
-    private val remote: AttendanceSummaryRemote
-) {
-
-    fun getAttendanceSummary(semester: Semester, subjectId: Int, forceRefresh: Boolean = false): Single<List<AttendanceSummary>> {
-        return local.getAttendanceSummary(semester, subjectId).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getAttendanceSummary(semester, subjectId)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getAttendanceSummary(semester, subjectId).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteAttendanceSummary(old.uniqueSubtract(new))
-                            local.saveAttendanceSummary(new.uniqueSubtract(old))
-                        }
-                }.flatMap { local.getAttendanceSummary(semester, subjectId).toSingle(emptyList()) })
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocal.kt
deleted file mode 100644
index 9b275908e..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.completedlessons
-
-import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class CompletedLessonsLocal @Inject constructor(private val completedLessonsDb: CompletedLessonsDao) {
-
-    fun saveCompletedLessons(completedLessons: List<CompletedLesson>) {
-        completedLessonsDb.insertAll(completedLessons)
-    }
-
-    fun deleteCompleteLessons(completedLessons: List<CompletedLesson>) {
-        completedLessonsDb.deleteAll(completedLessons)
-    }
-
-    fun getCompletedLessons(semester: Semester, start: LocalDate, end: LocalDate): Maybe<List<CompletedLesson>> {
-        return completedLessonsDb.loadAll(semester.diaryId, semester.studentId, start, end).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemote.kt
deleted file mode 100644
index 58dd5a9d1..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemote.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-package io.github.wulkanowy.data.repositories.completedlessons
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.toLocalDate
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class CompletedLessonsRemote @Inject constructor(private val api: Api) {
-
-    fun getCompletedLessons(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<CompletedLesson>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getCompletedLessons(startDate, endDate) }
-            .map { lessons ->
-                lessons.map {
-                    it.absence
-                    CompletedLesson(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
-                        number = it.number,
-                        subject = it.subject,
-                        topic = it.topic,
-                        teacher = it.teacher,
-                        teacherSymbol = it.teacherSymbol,
-                        substitution = it.substitution,
-                        absence = it.absence,
-                        resources = it.resources
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRepository.kt
deleted file mode 100644
index c22fabc39..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRepository.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-package io.github.wulkanowy.data.repositories.completedlessons
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class CompletedLessonsRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: CompletedLessonsLocal,
-    private val remote: CompletedLessonsRemote
-) {
-
-    fun getCompletedLessons(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean = false): Single<List<CompletedLesson>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getCompletedLessons(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getCompletedLessons(semester, dates.first, dates.second)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getCompletedLessons(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteCompleteLessons(old.uniqueSubtract(new))
-                                    local.saveCompletedLessons(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getCompletedLessons(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                        }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamLocal.kt
deleted file mode 100644
index 0f484d323..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamLocal.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package io.github.wulkanowy.data.repositories.exam
-
-import io.github.wulkanowy.data.db.dao.ExamDao
-import io.github.wulkanowy.data.db.entities.Exam
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ExamLocal @Inject constructor(private val examDb: ExamDao) {
-
-    fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Exam>> {
-        return examDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate)
-                .filter { !it.isEmpty() }
-    }
-
-    fun saveExams(exams: List<Exam>) {
-        examDb.insertAll(exams)
-    }
-
-    fun deleteExams(exams: List<Exam>) {
-        examDb.deleteAll(exams)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRemote.kt
deleted file mode 100644
index f6d653a61..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRemote.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.exam
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Exam
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ExamRemote @Inject constructor(private val api: Api) {
-
-    fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Exam>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getExams(startDate, endDate) }.map { exams ->
-                exams.map {
-                    Exam(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
-                        entryDate = it.entryDate.toLocalDate(),
-                        subject = it.subject,
-                        group = it.group,
-                        type = it.type,
-                        description = it.description,
-                        teacher = it.teacher,
-                        teacherSymbol = it.teacherSymbol
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRepository.kt
deleted file mode 100644
index be60eaecd..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/exam/ExamRepository.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-package io.github.wulkanowy.data.repositories.exam
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Exam
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ExamRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: ExamLocal,
-    private val remote: ExamRemote
-) {
-
-    fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean = false): Single<List<Exam>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getExams(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getExams(semester, dates.first, dates.second)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getExams(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteExams(old.uniqueSubtract(new))
-                                    local.saveExams(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getExams(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                        }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeLocal.kt
deleted file mode 100644
index 4983a4740..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeLocal.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import io.github.wulkanowy.data.db.dao.GradeDao
-import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeLocal @Inject constructor(private val gradeDb: GradeDao) {
-
-    fun saveGrades(grades: List<Grade>) {
-        gradeDb.insertAll(grades)
-    }
-
-    fun deleteGrades(grades: List<Grade>) {
-        gradeDb.deleteAll(grades)
-    }
-
-    fun updateGrades(grades: List<Grade>) {
-        gradeDb.updateAll(grades)
-    }
-
-    fun getGrades(semester: Semester): Maybe<List<Grade>> {
-        return gradeDb.loadAll(semester.semesterId, semester.studentId).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRemote.kt
deleted file mode 100644
index 570ab7a77..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRemote.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeRemote @Inject constructor(private val api: Api) {
-
-    fun getGrades(semester: Semester): Single<List<Grade>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGrades(semester.semesterId) }
-            .map { grades ->
-                grades.map {
-                    Grade(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        subject = it.subject,
-                        entry = it.entry,
-                        value = it.value,
-                        modifier = it.modifier,
-                        comment = it.comment,
-                        color = it.color,
-                        gradeSymbol = it.symbol.orEmpty(),
-                        description = it.description.orEmpty(),
-                        weight = it.weight,
-                        weightValue = it.weightValue,
-                        date = it.date.toLocalDate(),
-                        teacher = it.teacher
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRepository.kt
deleted file mode 100644
index 7f8e92a2e..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/grade/GradeRepository.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package io.github.wulkanowy.data.repositories.grade
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Completable
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: GradeLocal,
-    private val remote: GradeRemote
-) {
-
-    fun getGrades(student: Student, semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Grade>> {
-        return local.getGrades(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getGrades(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getGrades(semester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            val notifyBreakDate = old.maxBy { it.date }?.date ?: student.registrationDate.toLocalDate()
-                            local.deleteGrades(old.uniqueSubtract(new))
-                            local.saveGrades(new.uniqueSubtract(old)
-                                .onEach {
-                                    if (it.date >= notifyBreakDate) it.apply {
-                                        isRead = false
-                                        if (notify) isNotified = false
-                                    }
-                                })
-                        }
-                }.flatMap { local.getGrades(semester).toSingle(emptyList()) })
-    }
-
-    fun getUnreadGrades(semester: Semester): Single<List<Grade>> {
-        return local.getGrades(semester).map { it.filter { grade -> !grade.isRead } }.toSingle(emptyList())
-    }
-
-    fun getNotNotifiedGrades(semester: Semester): Single<List<Grade>> {
-        return local.getGrades(semester).map { it.filter { grade -> !grade.isNotified } }.toSingle(emptyList())
-    }
-
-    fun updateGrade(grade: Grade): Completable {
-        return Completable.fromCallable { local.updateGrades(listOf(grade)) }
-    }
-
-    fun updateGrades(grades: List<Grade>): Completable {
-        return Completable.fromCallable { local.updateGrades(grades) }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryLocal.kt
deleted file mode 100644
index e74641d3a..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryLocal.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import io.github.wulkanowy.data.db.dao.GradeSummaryDao
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryLocal @Inject constructor(private val gradeSummaryDb: GradeSummaryDao) {
-
-    fun saveGradesSummary(gradesSummary: List<GradeSummary>) {
-        gradeSummaryDb.insertAll(gradesSummary)
-    }
-
-    fun deleteGradesSummary(gradesSummary: List<GradeSummary>) {
-        gradeSummaryDb.deleteAll(gradesSummary)
-    }
-
-    fun getGradesSummary(semester: Semester): Maybe<List<GradeSummary>> {
-        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRemote.kt
deleted file mode 100644
index 3335cfb02..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRemote.kt
+++ /dev/null
@@ -1,33 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryRemote @Inject constructor(private val api: Api) {
-
-    fun getGradeSummary(semester: Semester): Single<List<GradeSummary>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGradesSummary(semester.semesterId) }
-            .map { gradesSummary ->
-                gradesSummary.map {
-                    GradeSummary(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        position = it.order,
-                        subject = it.name,
-                        predictedGrade = it.predicted,
-                        finalGrade = it.final,
-                        pointsSum = it.pointsSum,
-                        proposedPoints = it.proposedPoints,
-                        finalPoints = it.finalPoints,
-                        average = it.average
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRepository.kt
deleted file mode 100644
index 660a032c2..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradessummary/GradeSummaryRepository.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: GradeSummaryLocal,
-    private val remote: GradeSummaryRemote
-) {
-
-    fun getGradesSummary(semester: Semester, forceRefresh: Boolean = false): Single<List<GradeSummary>> {
-        return local.getGradesSummary(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getGradeSummary(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getGradesSummary(semester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteGradesSummary(old.uniqueSubtract(new))
-                            local.saveGradesSummary(new.uniqueSubtract(old))
-                        }
-                }.flatMap { local.getGradesSummary(semester).toSingle(emptyList()) })
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocal.kt
deleted file mode 100644
index 581ac2f81..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocal.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradestatistics
-
-import io.github.wulkanowy.data.db.dao.GradeStatisticsDao
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeStatisticsLocal @Inject constructor(private val gradeStatisticsDb: GradeStatisticsDao) {
-
-    fun getGradesStatistics(semester: Semester, isSemester: Boolean): Maybe<List<GradeStatistics>> {
-        return gradeStatisticsDb.loadAll(semester.semesterId, semester.studentId, isSemester)
-            .filter { !it.isEmpty() }
-    }
-
-    fun getGradesStatistics(semester: Semester, isSemester: Boolean, subjectName: String): Maybe<List<GradeStatistics>> {
-        return (if ("Wszystkie" == subjectName) gradeStatisticsDb.loadAll(semester.semesterId, semester.studentId, isSemester).map { list ->
-            list.groupBy { it.grade }.map {
-                GradeStatistics(semester.studentId, semester.semesterId, subjectName, it.key, it.value.fold(0) { acc, e -> acc + e.amount }, false)
-            }
-        }
-        else gradeStatisticsDb.loadSubject(semester.semesterId, semester.studentId, subjectName, isSemester)).filter { !it.isEmpty() }
-    }
-
-    fun saveGradesStatistics(gradesStatistics: List<GradeStatistics>) {
-        gradeStatisticsDb.insertAll(gradesStatistics)
-    }
-
-    fun deleteGradesStatistics(gradesStatistics: List<GradeStatistics>) {
-        gradeStatisticsDb.deleteAll(gradesStatistics)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemote.kt
deleted file mode 100644
index fa3b951f6..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemote.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradestatistics
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeStatisticsRemote @Inject constructor(private val api: Api) {
-
-    fun getGradeStatistics(semester: Semester, isSemester: Boolean): Single<List<GradeStatistics>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGradesStatistics(semester.semesterId, isSemester) }
-            .map { gradeStatistics ->
-                gradeStatistics.map {
-                    GradeStatistics(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        subject = it.subject,
-                        grade = it.gradeValue,
-                        amount = it.amount ?: 0,
-                        semester = isSemester
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRepository.kt
deleted file mode 100644
index 9617cdd64..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRepository.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradestatistics
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeStatisticsRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: GradeStatisticsLocal,
-    private val remote: GradeStatisticsRemote
-) {
-
-    fun getGradesStatistics(semester: Semester, subjectName: String, isSemester: Boolean, forceRefresh: Boolean = false): Single<List<GradeStatistics>> {
-        return local.getGradesStatistics(semester, isSemester, subjectName).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getGradeStatistics(semester, isSemester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getGradesStatistics(semester, isSemester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteGradesStatistics(old.uniqueSubtract(new))
-                            local.saveGradesStatistics(new.uniqueSubtract(old))
-                        }
-                }.flatMap { local.getGradesStatistics(semester, isSemester, subjectName).toSingle(emptyList()) })
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkLocal.kt
deleted file mode 100644
index 671ecafd7..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkLocal.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package io.github.wulkanowy.data.repositories.homework
-
-import io.github.wulkanowy.data.db.dao.HomeworkDao
-import io.github.wulkanowy.data.db.entities.Homework
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class HomeworkLocal @Inject constructor(private val homeworkDb: HomeworkDao) {
-
-    fun saveHomework(homework: List<Homework>) {
-        homeworkDb.insertAll(homework)
-    }
-
-    fun deleteHomework(homework: List<Homework>) {
-        homeworkDb.deleteAll(homework)
-    }
-
-    fun getHomework(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Homework>> {
-        return homeworkDb.loadAll(semester.semesterId, semester.studentId, startDate, endDate)
-            .filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRemote.kt
deleted file mode 100644
index 681b66469..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRemote.kt
+++ /dev/null
@@ -1,33 +0,0 @@
-package io.github.wulkanowy.data.repositories.homework
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Homework
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class HomeworkRemote @Inject constructor(private val api: Api) {
-
-    fun getHomework(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Homework>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getHomework(startDate, endDate) }
-            .map { homework ->
-                homework.map {
-                    Homework(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        date = it.date.toLocalDate(),
-                        entryDate = it.entryDate.toLocalDate(),
-                        subject = it.subject,
-                        content = it.content,
-                        teacher = it.teacher,
-                        teacherSymbol = it.teacherSymbol
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRepository.kt
deleted file mode 100644
index 3f924944d..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/homework/HomeworkRepository.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-package io.github.wulkanowy.data.repositories.homework
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Homework
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class HomeworkRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: HomeworkLocal,
-    private val remote: HomeworkRemote
-) {
-
-    fun getHomework(semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Homework>> {
-        return Single.fromCallable { start.monday to end.friday }.flatMap { (monday, friday) ->
-            local.getHomework(semester, monday, friday).filter { !forceRefresh }
-                .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                    .flatMap {
-                        if (it) remote.getHomework(semester, monday, friday)
-                        else Single.error(UnknownHostException())
-                    }.flatMap { new ->
-                        local.getHomework(semester, monday, friday).toSingle(emptyList())
-                            .doOnSuccess { old ->
-                                local.deleteHomework(old.uniqueSubtract(new))
-                                local.saveHomework(new.uniqueSubtract(old))
-                            }
-                    }.flatMap { local.getHomework(semester, monday, friday).toSingle(emptyList()) })
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocal.kt
deleted file mode 100644
index 115c89652..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberLocal.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package io.github.wulkanowy.data.repositories.luckynumber
-
-import io.github.wulkanowy.data.db.dao.LuckyNumberDao
-import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class LuckyNumberLocal @Inject constructor(private val luckyNumberDb: LuckyNumberDao) {
-
-    fun saveLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.insert(luckyNumber)
-    }
-
-    fun updateLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.update(luckyNumber)
-    }
-
-    fun deleteLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.delete(luckyNumber)
-    }
-
-    fun getLuckyNumber(semester: Semester, date: LocalDate): Maybe<LuckyNumber> {
-        return luckyNumberDb.load(semester.studentId, date)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemote.kt
deleted file mode 100644
index 1b0f12b3e..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemote.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package io.github.wulkanowy.data.repositories.luckynumber
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class LuckyNumberRemote @Inject constructor(private val api: Api) {
-
-    fun getLuckyNumber(semester: Semester): Maybe<LuckyNumber> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMapMaybe { it.getLuckyNumber() }
-            .map {
-                LuckyNumber(
-                    studentId = semester.studentId,
-                    date = LocalDate.now(),
-                    luckyNumber = it
-                )
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRepository.kt
deleted file mode 100644
index 4036521f7..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRepository.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-package io.github.wulkanowy.data.repositories.luckynumber
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Completable
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class LuckyNumberRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: LuckyNumberLocal,
-    private val remote: LuckyNumberRemote
-) {
-
-    fun getLuckyNumber(semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Maybe<LuckyNumber> {
-        return local.getLuckyNumber(semester, LocalDate.now()).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMapMaybe {
-                    if (it) remote.getLuckyNumber(semester)
-                    else Maybe.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getLuckyNumber(semester, LocalDate.now())
-                        .doOnSuccess { old ->
-                            if (new != old) {
-                                local.deleteLuckyNumber(old)
-                                local.saveLuckyNumber(new.apply {
-                                    if (notify) isNotified = false
-                                })
-                            }
-                        }
-                        .doOnComplete {
-                            local.saveLuckyNumber(new.apply {
-                                if (notify) isNotified = false
-                            })
-                        }
-                }.flatMap({ local.getLuckyNumber(semester, LocalDate.now()) }, { Maybe.error(it) },
-                    { local.getLuckyNumber(semester, LocalDate.now()) })
-            )
-    }
-
-    fun getNotNotifiedLuckyNumber(semester: Semester): Maybe<LuckyNumber> {
-        return local.getLuckyNumber(semester, LocalDate.now()).filter { !it.isNotified }
-    }
-
-    fun updateLuckyNumber(luckyNumber: LuckyNumber): Completable {
-        return Completable.fromCallable { local.updateLuckyNumber(luckyNumber) }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageLocal.kt
deleted file mode 100644
index ce08d13ec..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageLocal.kt
+++ /dev/null
@@ -1,36 +0,0 @@
-package io.github.wulkanowy.data.repositories.message
-
-import io.github.wulkanowy.data.db.dao.MessagesDao
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.message.MessageFolder.TRASHED
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class MessageLocal @Inject constructor(private val messagesDb: MessagesDao) {
-
-    fun saveMessages(messages: List<Message>) {
-        messagesDb.insertAll(messages)
-    }
-
-    fun updateMessages(messages: List<Message>) {
-        messagesDb.updateAll(messages)
-    }
-
-    fun deleteMessages(messages: List<Message>) {
-        messagesDb.deleteAll(messages)
-    }
-
-    fun getMessage(id: Long): Maybe<Message> {
-        return messagesDb.load(id)
-    }
-
-    fun getMessages(student: Student, folder: MessageFolder): Maybe<List<Message>> {
-        return when (folder) {
-            TRASHED -> messagesDb.loadDeleted(student.id.toInt())
-            else -> messagesDb.loadAll(student.id.toInt(), folder.id)
-        }.filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRemote.kt
deleted file mode 100644
index b2bff1e77..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRemote.kt
+++ /dev/null
@@ -1,66 +0,0 @@
-package io.github.wulkanowy.data.repositories.message
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.messages.Folder
-import io.github.wulkanowy.api.messages.SentMessage
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.toLocalDateTime
-import io.reactivex.Single
-import org.threeten.bp.LocalDateTime.now
-import javax.inject.Inject
-import javax.inject.Singleton
-import io.github.wulkanowy.api.messages.Message as ApiMessage
-import io.github.wulkanowy.api.messages.Recipient as ApiRecipient
-
-@Singleton
-class MessageRemote @Inject constructor(private val api: Api) {
-
-    fun getMessages(student: Student, folder: MessageFolder): Single<List<Message>> {
-        return api.getMessages(Folder.valueOf(folder.name)).map { messages ->
-            messages.map {
-                Message(
-                    studentId = student.id.toInt(),
-                    realId = it.id ?: 0,
-                    messageId = it.messageId ?: 0,
-                    sender = it.sender.orEmpty(),
-                    senderId = it.senderId ?: 0,
-                    recipient = it.recipient.orEmpty(),
-                    subject = it.subject.trim(),
-                    date = it.date?.toLocalDateTime() ?: now(),
-                    folderId = it.folderId,
-                    unread = it.unread ?: false,
-                    unreadBy = it.unreadBy ?: 0,
-                    readBy = it.readBy ?: 0,
-                    removed = it.removed
-                )
-            }
-        }
-    }
-
-    fun getMessagesContent(message: Message, markAsRead: Boolean = false): Single<String> {
-        return api.getMessageContent(message.messageId, message.folderId, markAsRead, message.realId)
-    }
-
-    fun sendMessage(subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
-        return api.sendMessage(
-            subject = subject,
-            content = content,
-            recipients = recipients.map {
-                ApiRecipient(
-                    id = it.realId,
-                    name = it.realName,
-                    loginId = it.loginId,
-                    reportingUnitId = it.unitId,
-                    role = it.role,
-                    hash = it.hash
-                )
-            }
-        )
-    }
-
-    fun deleteMessage(message: Message): Single<Boolean> {
-        return api.deleteMessages(listOf(Pair(message.realId, message.folderId)))
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRepository.kt
deleted file mode 100644
index c10cd5181..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/message/MessageRepository.kt
+++ /dev/null
@@ -1,110 +0,0 @@
-package io.github.wulkanowy.data.repositories.message
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.api.messages.SentMessage
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.message.MessageFolder.RECEIVED
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Completable
-import io.reactivex.Maybe
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class MessageRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: MessageLocal,
-    private val remote: MessageRemote,
-    private val apiHelper: ApiHelper
-) {
-
-    fun getMessages(student: Student, folder: MessageFolder, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Message>> {
-        return Single.just(apiHelper.initApi(student))
-            .flatMap { _ ->
-                local.getMessages(student, folder).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getMessages(student, folder)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getMessages(student, folder).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteMessages(old.uniqueSubtract(new))
-                                    local.saveMessages(new.uniqueSubtract(old)
-                                        .onEach {
-                                            it.isNotified = !notify
-                                        })
-                                }
-                        }.flatMap { local.getMessages(student, folder).toSingle(emptyList()) }
-                    )
-            }
-    }
-
-    fun getMessage(student: Student, messageDbId: Long, markAsRead: Boolean = false): Single<Message> {
-        return Single.just(apiHelper.initApi(student))
-            .flatMap { _ ->
-                local.getMessage(messageDbId)
-                    .filter { !it.content.isNullOrEmpty() }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) local.getMessage(messageDbId).toSingle()
-                            else Single.error(UnknownHostException())
-                        }
-                        .flatMap { dbMessage ->
-                            remote.getMessagesContent(dbMessage, markAsRead).doOnSuccess {
-                                local.updateMessages(listOf(dbMessage.copy(unread = false).apply {
-                                    id = dbMessage.id
-                                    content = it
-                                }))
-                            }
-                        }.flatMap {
-                            local.getMessage(messageDbId).toSingle()
-                        }
-                    )
-            }
-    }
-
-    fun getNotNotifiedMessages(student: Student): Single<List<Message>> {
-        return local.getMessages(student, RECEIVED)
-            .map { it.filter { message -> !message.isNotified && message.unread } }
-            .toSingle(emptyList())
-    }
-
-    fun updateMessage(message: Message): Completable {
-        return Completable.fromCallable { local.updateMessages(listOf(message)) }
-    }
-
-    fun updateMessages(messages: List<Message>): Completable {
-        return Completable.fromCallable { local.updateMessages(messages) }
-    }
-
-    fun sendMessage(subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                if (it) remote.sendMessage(subject, content, recipients)
-                else Single.error(UnknownHostException())
-            }
-    }
-
-    fun deleteMessage(message: Message): Maybe<Boolean> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                if (it) remote.deleteMessage(message)
-                else Single.error(UnknownHostException())
-            }
-            .filter { it }
-            .doOnSuccess {
-                if (!message.removed) local.updateMessages(listOf(message.copy(removed = true).apply {
-                    id = message.id
-                    content = message.content
-                }))
-                else local.deleteMessages(listOf(message))
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceLocal.kt
deleted file mode 100644
index 8f0efa5b6..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.mobiledevice
-
-import io.github.wulkanowy.data.db.dao.MobileDeviceDao
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class MobileDeviceLocal @Inject constructor(private val mobileDb: MobileDeviceDao) {
-
-    fun saveDevices(devices: List<MobileDevice>) {
-        mobileDb.insertAll(devices)
-    }
-
-    fun deleteDevices(devices: List<MobileDevice>) {
-        mobileDb.deleteAll(devices)
-    }
-
-    fun getDevices(semester: Semester): Maybe<List<MobileDevice>> {
-        return mobileDb.loadAll(semester.studentId).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRemote.kt
deleted file mode 100644
index 86fdce97a..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRemote.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package io.github.wulkanowy.data.repositories.mobiledevice
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.pojos.MobileDeviceToken
-import io.github.wulkanowy.utils.toLocalDateTime
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class MobileDeviceRemote @Inject constructor(private val api: Api) {
-
-    fun getDevices(semester: Semester): Single<List<MobileDevice>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getRegisteredDevices() }
-            .map { devices ->
-                devices.map {
-                    MobileDevice(
-                        studentId = semester.studentId,
-                        date = it.date.toLocalDateTime(),
-                        deviceId = it.id,
-                        name = it.name
-                    )
-                }
-            }
-    }
-
-    fun unregisterDevice(semester: Semester, device: MobileDevice): Single<Boolean> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.unregisterDevice(device.deviceId) }
-    }
-
-    fun getToken(semester: Semester): Single<MobileDeviceToken> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getToken() }
-            .map {
-                MobileDeviceToken(
-                    token = it.token,
-                    symbol = it.symbol,
-                    pin = it.pin,
-                    qr = it.qrCodeImage
-                )
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepository.kt
deleted file mode 100644
index ac450ff46..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepository.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package io.github.wulkanowy.data.repositories.mobiledevice
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.pojos.MobileDeviceToken
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class MobileDeviceRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: MobileDeviceLocal,
-    private val remote: MobileDeviceRemote
-) {
-
-    fun getDevices(semester: Semester, forceRefresh: Boolean = false): Single<List<MobileDevice>> {
-        return local.getDevices(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getDevices(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getDevices(semester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteDevices(old uniqueSubtract new)
-                            local.saveDevices(new uniqueSubtract old)
-                        }
-                }
-            ).flatMap { local.getDevices(semester).toSingle(emptyList()) }
-    }
-
-    fun unregisterDevice(semester: Semester, device: MobileDevice): Single<Boolean> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                if (it) remote.unregisterDevice(semester, device)
-                else Single.error(UnknownHostException())
-            }
-    }
-
-    fun getToken(semester: Semester): Single<MobileDeviceToken> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                if (it) remote.getToken(semester)
-                else Single.error(UnknownHostException())
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteLocal.kt
deleted file mode 100644
index 784e61f0f..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteLocal.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package io.github.wulkanowy.data.repositories.note
-
-import io.github.wulkanowy.data.db.dao.NoteDao
-import io.github.wulkanowy.data.db.entities.Note
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class NoteLocal @Inject constructor(private val noteDb: NoteDao) {
-
-    fun saveNotes(notes: List<Note>) {
-        noteDb.insertAll(notes)
-    }
-
-    fun updateNotes(notes: List<Note>) {
-        noteDb.updateAll(notes)
-    }
-
-    fun deleteNotes(notes: List<Note>) {
-        noteDb.deleteAll(notes)
-    }
-
-    fun getNotes(student: Student): Maybe<List<Note>> {
-        return noteDb.loadAll(student.studentId).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRemote.kt
deleted file mode 100644
index aebc6230e..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRemote.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package io.github.wulkanowy.data.repositories.note
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Note
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class NoteRemote @Inject constructor(private val api: Api) {
-
-    fun getNotes(semester: Semester): Single<List<Note>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getNotes() }
-            .map { notes ->
-                notes.map {
-                    Note(
-                        studentId = semester.studentId,
-                        date = it.date.toLocalDate(),
-                        teacher = it.teacher,
-                        category = it.category,
-                        content = it.content
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRepository.kt
deleted file mode 100644
index 52cb2d0f5..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/note/NoteRepository.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-package io.github.wulkanowy.data.repositories.note
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Note
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Completable
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class NoteRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: NoteLocal,
-    private val remote: NoteRemote
-) {
-
-    fun getNotes(student: Student, semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Note>> {
-        return local.getNotes(student).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getNotes(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getNotes(student).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteNotes(old.uniqueSubtract(new))
-                            local.saveNotes(new.uniqueSubtract(old)
-                                .onEach {
-                                    if (it.date >= student.registrationDate.toLocalDate()) it.apply {
-                                        isRead = false
-                                        if (notify) isNotified = false
-                                    }
-                                })
-                        }
-                }.flatMap { local.getNotes(student).toSingle(emptyList()) })
-    }
-
-    fun getNotNotifiedNotes(student: Student): Single<List<Note>> {
-        return local.getNotes(student).map { it.filter { note -> !note.isNotified } }.toSingle(emptyList())
-    }
-
-    fun updateNote(note: Note): Completable {
-        return Completable.fromCallable { local.updateNotes(listOf(note)) }
-    }
-
-    fun updateNotes(notes: List<Note>): Completable {
-        return Completable.fromCallable { local.updateNotes(notes) }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt
deleted file mode 100644
index bb9a39b1c..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/preferences/PreferencesRepository.kt
+++ /dev/null
@@ -1,63 +0,0 @@
-package io.github.wulkanowy.data.repositories.preferences
-
-import android.content.Context
-import android.content.SharedPreferences
-import io.github.wulkanowy.R
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class PreferencesRepository @Inject constructor(
-    private val sharedPref: SharedPreferences,
-    val context: Context
-) {
-    val startMenuIndex: Int
-        get() = sharedPref.getString(context.getString(R.string.pref_key_start_menu), "0")?.toIntOrNull() ?: 0
-
-    val isShowPresent: Boolean
-        get() = sharedPref.getBoolean(context.getString(R.string.pref_key_attendance_present), true)
-
-    val gradeAverageMode: String
-        get() = sharedPref.getString(context.getString(R.string.pref_key_grade_average_mode), "only_one_semester") ?: "only_one_semester"
-
-    val gradeAverageForceCalc: Boolean
-        get() = sharedPref.getBoolean(context.getString(R.string.pref_key_grade_average_force_calc), false)
-
-    val isGradeExpandable: Boolean
-        get() = !sharedPref.getBoolean(context.getString(R.string.pref_key_expand_grade), false)
-
-    val appThemeKey: String = context.getString(R.string.pref_key_app_theme)
-    val appTheme: String
-        get() = sharedPref.getString(appThemeKey, "light") ?: "light"
-
-    val gradeColorTheme: String
-        get() = sharedPref.getString(context.getString(R.string.pref_key_grade_color_scheme), "vulcan") ?: "vulcan"
-
-    val serviceEnableKey: String = context.getString(R.string.pref_key_services_enable)
-    val isServiceEnabled: Boolean
-        get() = sharedPref.getBoolean(serviceEnableKey, true)
-
-    val servicesIntervalKey: String = context.getString(R.string.pref_key_services_interval)
-    val servicesInterval: Long
-        get() = sharedPref.getString(servicesIntervalKey, "60")?.toLongOrNull() ?: 60
-
-    val servicesOnlyWifiKey: String = context.getString(R.string.pref_key_services_wifi_only)
-    val isServicesOnlyWifi: Boolean
-        get() = sharedPref.getBoolean(servicesOnlyWifiKey, false)
-
-    val isNotificationsEnable: Boolean
-        get() = sharedPref.getBoolean(context.getString(R.string.pref_key_notifications_enable), true)
-
-    val isDebugNotificationEnableKey: String = context.getString(R.string.pref_key_notification_debug)
-    val isDebugNotificationEnable: Boolean
-        get() = sharedPref.getBoolean(isDebugNotificationEnableKey, false)
-
-    val gradePlusModifier: Double
-        get() = sharedPref.getString(context.getString(R.string.pref_key_grade_modifier_plus), "0.0")?.toDouble() ?: 0.0
-
-    val gradeMinusModifier: Double
-        get() = sharedPref.getString(context.getString(R.string.pref_key_grade_modifier_minus), "0.0")?.toDouble() ?: 0.0
-
-    val fillMessageContent: Boolean
-        get() = sharedPref.getBoolean(context.getString(R.string.pref_key_fill_message_content), true)
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocal.kt
deleted file mode 100644
index 6b8328ec2..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.recipient
-
-import io.github.wulkanowy.data.db.dao.RecipientDao
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class RecipientLocal @Inject constructor(private val recipientDb: RecipientDao) {
-
-    fun getRecipients(student: Student, role: Int, unit: ReportingUnit): Maybe<List<Recipient>> {
-        return recipientDb.load(student.studentId, role, unit.realId).filter { !it.isEmpty() }
-    }
-
-    fun saveRecipients(recipients: List<Recipient>) {
-        return recipientDb.insertAll(recipients)
-    }
-
-    fun deleteRecipients(recipients: List<Recipient>) {
-        recipientDb.deleteAll(recipients)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRemote.kt
deleted file mode 100644
index b726edda9..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRemote.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-package io.github.wulkanowy.data.repositories.recipient
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-import io.github.wulkanowy.api.messages.Recipient as ApiRecipient
-
-@Singleton
-class RecipientRemote @Inject constructor(private val api: Api) {
-
-    fun getRecipients(role: Int, unit: ReportingUnit): Single<List<Recipient>> {
-        return api.getRecipients(unit.realId, role)
-            .map { recipients ->
-                recipients.map { it.toRecipient() }
-            }
-    }
-
-    fun getMessageRecipients(message: Message): Single<List<Recipient>> {
-        return api.getMessageRecipients(message.messageId, message.senderId)
-            .map { recipients ->
-                recipients.map { it.toRecipient() }
-            }
-    }
-
-    private fun ApiRecipient.toRecipient(): Recipient {
-        return Recipient(
-            studentId = api.studentId,
-            realId = id,
-            realName = name,
-            name = shortName,
-            hash = hash,
-            loginId = loginId,
-            role = role,
-            unitId = reportingUnitId ?: 0
-        )
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRepository.kt
deleted file mode 100644
index cde75ea8b..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/recipient/RecipientRepository.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.data.repositories.recipient
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class RecipientRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: RecipientLocal,
-    private val remote: RecipientRemote,
-    private val apiHelper: ApiHelper
-) {
-
-    fun getRecipients(student: Student, role: Int, unit: ReportingUnit, forceRefresh: Boolean = false): Single<List<Recipient>> {
-        return Single.just(apiHelper.initApi(student))
-            .flatMap { _ ->
-                local.getRecipients(student, role, unit).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getRecipients(role, unit)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getRecipients(student, role, unit).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteRecipients(old.uniqueSubtract(new))
-                                    local.saveRecipients(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getRecipients(student, role, unit).toSingle(emptyList())
-                        }
-                    )
-            }
-    }
-
-    fun getMessageRecipients(student: Student, message: Message): Single<List<Recipient>> {
-        return Single.just(apiHelper.initApi(student))
-            .flatMap { ReactiveNetwork.checkInternetConnectivity(settings) }
-            .flatMap {
-                if (it) remote.getMessageRecipients(message)
-                else Single.error(UnknownHostException())
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitLocal.kt
deleted file mode 100644
index b4281cbfd..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitLocal.kt
+++ /dev/null
@@ -1,28 +0,0 @@
-package io.github.wulkanowy.data.repositories.reportingunit
-
-import io.github.wulkanowy.data.db.dao.ReportingUnitDao
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ReportingUnitLocal @Inject constructor(private val reportingUnitDb: ReportingUnitDao) {
-
-    fun getReportingUnits(student: Student): Maybe<List<ReportingUnit>> {
-        return reportingUnitDb.load(student.studentId).filter { !it.isEmpty() }
-    }
-
-    fun getReportingUnit(student: Student, unitId: Int): Maybe<ReportingUnit> {
-        return reportingUnitDb.loadOne(student.studentId, unitId)
-    }
-
-    fun saveReportingUnits(reportingUnits: List<ReportingUnit>) {
-        return reportingUnitDb.insertAll(reportingUnits)
-    }
-
-    fun deleteReportingUnits(reportingUnits: List<ReportingUnit>) {
-        reportingUnitDb.deleteAll(reportingUnits)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRemote.kt
deleted file mode 100644
index feb4b0134..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRemote.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package io.github.wulkanowy.data.repositories.reportingunit
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ReportingUnitRemote @Inject constructor(private val api: Api) {
-
-    fun getReportingUnits(): Single<List<ReportingUnit>> {
-        return api.getReportingUnits().map {
-            it.map { unit ->
-                ReportingUnit(
-                    studentId = api.studentId,
-                    realId = unit.id,
-                    roles = unit.roles,
-                    senderId = unit.senderId,
-                    senderName = unit.senderName,
-                    shortName = unit.short
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRepository.kt
deleted file mode 100644
index 6758898e2..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/reportingunit/ReportingUnitRepository.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package io.github.wulkanowy.data.repositories.reportingunit
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Maybe
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class ReportingUnitRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: ReportingUnitLocal,
-    private val remote: ReportingUnitRemote,
-    private val apiHelper: ApiHelper
-) {
-
-    fun getReportingUnits(student: Student, forceRefresh: Boolean = false): Single<List<ReportingUnit>> {
-        return Single.just(apiHelper.initApi(student))
-            .flatMap { _ ->
-                local.getReportingUnits(student).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getReportingUnits()
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getReportingUnits(student).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteReportingUnits(old.uniqueSubtract(new))
-                                    local.saveReportingUnits(new.uniqueSubtract(old))
-                                }
-                        }.flatMap { local.getReportingUnits(student).toSingle(emptyList()) }
-                    )
-            }
-    }
-
-    fun getReportingUnit(student: Student, unitId: Int): Maybe<ReportingUnit> {
-        return Maybe.just(apiHelper.initApi(student))
-            .flatMap { _ ->
-                local.getReportingUnit(student, unitId)
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) getReportingUnits(student, true)
-                            else Single.error(UnknownHostException())
-                        }.flatMapMaybe {
-                            local.getReportingUnit(student, unitId)
-                        }
-                    )
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterLocal.kt
deleted file mode 100644
index b9750e7d5..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterLocal.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.repositories.semester
-
-import io.github.wulkanowy.data.db.dao.SemesterDao
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SemesterLocal @Inject constructor(private val semesterDb: SemesterDao) {
-
-    fun saveSemesters(semesters: List<Semester>) {
-        semesterDb.insertAll(semesters)
-    }
-
-    fun deleteSemesters(semesters: List<Semester>) {
-        semesterDb.deleteAll(semesters)
-    }
-
-    fun getSemesters(student: Student): Maybe<List<Semester>> {
-        return semesterDb.loadAll(student.studentId, student.classId).filter { !it.isEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRemote.kt
deleted file mode 100644
index c199c16c0..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRemote.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-package io.github.wulkanowy.data.repositories.semester
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SemesterRemote @Inject constructor(private val api: Api) {
-
-    fun getSemesters(student: Student): Single<List<Semester>> {
-        return api.getSemesters().map { semesters ->
-            semesters.map { semester ->
-                Semester(
-                    studentId = student.studentId,
-                    diaryId = semester.diaryId,
-                    diaryName = semester.diaryName,
-                    schoolYear = semester.schoolYear,
-                    semesterId = semester.semesterId,
-                    semesterName = semester.semesterNumber,
-                    isCurrent = semester.current,
-                    start = semester.start,
-                    end = semester.end,
-                    classId = semester.classId,
-                    unitId = semester.unitId
-                )
-            }
-
-        }
-    }
-}
-
-
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRepository.kt
deleted file mode 100644
index 593014032..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRepository.kt
+++ /dev/null
@@ -1,48 +0,0 @@
-package io.github.wulkanowy.data.repositories.semester
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Maybe
-import io.reactivex.Single
-import timber.log.Timber
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SemesterRepository @Inject constructor(
-    private val remote: SemesterRemote,
-    private val local: SemesterLocal,
-    private val settings: InternetObservingSettings,
-    private val apiHelper: ApiHelper
-) {
-
-    fun getSemesters(student: Student, forceRefresh: Boolean = false): Single<List<Semester>> {
-        return Maybe.just(apiHelper.initApi(student))
-            .flatMap { local.getSemesters(student).filter { !forceRefresh } }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getSemesters(student) else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    val currentSemesters = new.filter { it.isCurrent }
-                    if (currentSemesters.size == 1) {
-                        local.getSemesters(student).toSingle(emptyList())
-                            .doOnSuccess { old ->
-                                local.deleteSemesters(old.uniqueSubtract(new))
-                                local.saveSemesters(new.uniqueSubtract(old))
-                            }
-                    } else {
-                        Timber.i("Current semesters list:\n${currentSemesters.joinToString(separator = "\n")}")
-                        throw IllegalArgumentException("Current semester can be only one.")
-                    }
-                }.flatMap { local.getSemesters(student).toSingle(emptyList()) })
-    }
-
-    fun getCurrentSemester(student: Student, forceRefresh: Boolean = false): Single<Semester> {
-        return getSemesters(student, forceRefresh).map { item -> item.single { it.isCurrent } }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentLocal.kt
deleted file mode 100644
index e6d744213..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentLocal.kt
+++ /dev/null
@@ -1,46 +0,0 @@
-package io.github.wulkanowy.data.repositories.student
-
-import android.content.Context
-import io.github.wulkanowy.data.db.dao.StudentDao
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.security.decrypt
-import io.github.wulkanowy.utils.security.encrypt
-import io.reactivex.Completable
-import io.reactivex.Maybe
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class StudentLocal @Inject constructor(
-    private val studentDb: StudentDao,
-    private val context: Context
-) {
-
-    fun saveStudents(students: List<Student>): Single<List<Long>> {
-        return Single.fromCallable { studentDb.insertAll(students.map { it.copy(password = encrypt(it.password, context)) }) }
-    }
-
-    fun getStudents(decryptPass: Boolean): Maybe<List<Student>> {
-        return studentDb.loadAll()
-            .map { list -> list.map { it.apply { if (decryptPass) password = decrypt(password) } } }
-            .filter { !it.isEmpty() }
-    }
-
-    fun getCurrentStudent(decryptPass: Boolean): Maybe<Student> {
-        return studentDb.loadCurrent().map { it.apply { if (decryptPass) password = decrypt(password) } }
-    }
-
-    fun setCurrentStudent(student: Student): Completable {
-        return Completable.fromCallable {
-            studentDb.run {
-                resetCurrent()
-                updateCurrent(student.id)
-            }
-        }
-    }
-
-    fun logoutStudent(student: Student): Completable {
-        return Completable.fromCallable { studentDb.delete(student) }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRemote.kt
deleted file mode 100644
index 251d38344..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRemote.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.student
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Single
-import org.threeten.bp.LocalDateTime.now
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class StudentRemote @Inject constructor(private val api: Api) {
-
-    fun getStudents(email: String, password: String, endpoint: String): Single<List<Student>> {
-        return api.getStudents().map { students ->
-            students.map { student ->
-                Student(
-                    email = email,
-                    password = password,
-                    symbol = student.symbol,
-                    studentId = student.studentId,
-                    studentName = student.studentName,
-                    schoolSymbol = student.schoolSymbol,
-                    schoolName = student.schoolName,
-                    className = student.className,
-                    classId = student.classId,
-                    endpoint = endpoint,
-                    loginType = student.loginType.name,
-                    isCurrent = false,
-                    registrationDate = now()
-                )
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRepository.kt
deleted file mode 100644
index 5c4a60558..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/student/StudentRepository.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-package io.github.wulkanowy.data.repositories.student
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.reactivex.Completable
-import io.reactivex.Maybe
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class StudentRepository @Inject constructor(
-    private val local: StudentLocal,
-    private val remote: StudentRemote,
-    private val settings: InternetObservingSettings,
-    private val apiHelper: ApiHelper
-) {
-
-    fun isStudentSaved(): Single<Boolean> = local.getStudents(false).isEmpty.map { !it }
-
-    fun isCurrentStudentSet(): Single<Boolean> = local.getCurrentStudent(false).isEmpty.map { !it }
-
-    fun getStudents(email: String, password: String, endpoint: String, symbol: String = ""): Single<List<Student>> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                apiHelper.initApi(email, password, symbol, endpoint)
-                if (it) remote.getStudents(email, password, endpoint)
-                else Single.error(UnknownHostException("No internet connection"))
-            }
-    }
-
-    fun getSavedStudents(decryptPass: Boolean = true): Single<List<Student>> {
-        return local.getStudents(decryptPass).toSingle(emptyList())
-    }
-
-    fun getCurrentStudent(decryptPass: Boolean = true): Single<Student> {
-        return local.getCurrentStudent(decryptPass)
-            .switchIfEmpty(Maybe.error(NoCurrentStudentException()))
-            .toSingle()
-    }
-
-    fun saveStudents(students: List<Student>): Single<List<Long>> {
-        return local.saveStudents(students)
-    }
-
-    fun switchStudent(student: Student): Completable {
-        return local.setCurrentStudent(student)
-    }
-
-    fun logoutStudent(student: Student): Completable {
-        return local.logoutStudent(student)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectLocal.kt
deleted file mode 100644
index 63e334019..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.subject
-
-import io.github.wulkanowy.data.db.dao.SubjectDao
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Subject
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SubjectLocal @Inject constructor(private val subjectDao: SubjectDao) {
-
-    fun getSubjects(semester: Semester): Maybe<List<Subject>> {
-        return subjectDao.loadAll(semester.diaryId, semester.studentId)
-            .filter { !it.isEmpty() }
-    }
-
-    fun saveSubjects(subjects: List<Subject>) {
-        subjectDao.insertAll(subjects)
-    }
-
-    fun deleteSubjects(subjects: List<Subject>) {
-        subjectDao.deleteAll(subjects)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRemote.kt
deleted file mode 100644
index 88fbb196b..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRemote.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-package io.github.wulkanowy.data.repositories.subject
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Subject
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SubjectRemote @Inject constructor(private val api: Api) {
-
-    fun getSubjects(semester: Semester): Single<List<Subject>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getSubjects() }
-            .map { subjects ->
-                subjects.map {
-                    Subject(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        name = it.name,
-                        realId = it.value
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRepository.kt
deleted file mode 100644
index 0c5f386b6..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/subject/SubjectRepository.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-package io.github.wulkanowy.data.repositories.subject
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Subject
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class SubjectRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: SubjectLocal,
-    private val remote: SubjectRemote
-) {
-
-    fun getSubjects(semester: Semester, forceRefresh: Boolean = false): Single<List<Subject>> {
-        return local.getSubjects(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getSubjects(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getSubjects(semester)
-                        .toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteSubjects(old.uniqueSubtract(new))
-                            local.saveSubjects(new.uniqueSubtract(old))
-                        }
-                }.flatMap {
-                    local.getSubjects(semester).toSingle(emptyList())
-                })
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocal.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocal.kt
deleted file mode 100644
index e074ce2a1..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableLocal.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import io.github.wulkanowy.data.db.dao.TimetableDao
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Timetable
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class TimetableLocal @Inject constructor(private val timetableDb: TimetableDao) {
-
-    fun saveTimetable(timetables: List<Timetable>) {
-        timetableDb.insertAll(timetables)
-    }
-
-    fun deleteTimetable(timetables: List<Timetable>) {
-        timetableDb.deleteAll(timetables)
-    }
-
-    fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate): Maybe<List<Timetable>> {
-        return timetableDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate).filter { it.isNotEmpty() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemote.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemote.kt
deleted file mode 100644
index 77742e7b3..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemote.kt
+++ /dev/null
@@ -1,42 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.utils.toLocalDate
-import io.github.wulkanowy.utils.toLocalDateTime
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class TimetableRemote @Inject constructor(private val api: Api) {
-
-    fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Timetable>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getTimetable(startDate, endDate) }
-            .map { lessons ->
-                lessons.map {
-                    Timetable(
-                        studentId = semester.studentId,
-                        diaryId = semester.diaryId,
-                        number = it.number,
-                        start = it.start.toLocalDateTime(),
-                        end = it.end.toLocalDateTime(),
-                        date = it.date.toLocalDate(),
-                        subject = it.subject,
-                        subjectOld = it.subjectOld,
-                        group = it.group,
-                        room = it.room,
-                        roomOld = it.roomOld,
-                        teacher = it.teacher,
-                        teacherOld = it.teacherOld,
-                        info = it.info,
-                        changes = it.changes,
-                        canceled = it.canceled
-                    )
-                }
-            }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepository.kt b/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepository.kt
deleted file mode 100644
index e10e958ec..000000000
--- a/app/src/main/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepository.kt
+++ /dev/null
@@ -1,50 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import org.threeten.bp.LocalDate
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class TimetableRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: TimetableLocal,
-    private val remote: TimetableRemote
-) {
-
-    fun getTimetable(semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Timetable>> {
-        return Single.fromCallable { start.monday to end.friday }.flatMap { (monday, friday) ->
-            local.getTimetable(semester, monday, friday).filter { !forceRefresh }
-                .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
-                    if (it) remote.getTimetable(semester, monday, friday)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getTimetable(semester, monday, friday)
-                        .toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteTimetable(old.uniqueSubtract(new))
-                            local.saveTimetable(new.uniqueSubtract(old).map { item ->
-                                item.also { new ->
-                                    old.singleOrNull { new.start == it.start }?.let { old ->
-                                        return@map new.copy(
-                                            room = if (new.room.isEmpty()) old.room else new.room,
-                                            teacher = if (new.teacher.isEmpty() && !new.changes) old.teacher else new.teacher
-                                        )
-                                    }
-                                }
-                            })
-                        }
-                }.flatMap {
-                    local.getTimetable(semester, monday, friday).toSingle(emptyList())
-                }).map { list -> list.filter { it.date in start..end } }
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/di/AppComponent.kt b/app/src/main/java/io/github/wulkanowy/di/AppComponent.kt
deleted file mode 100644
index c0329f7d7..000000000
--- a/app/src/main/java/io/github/wulkanowy/di/AppComponent.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package io.github.wulkanowy.di
-
-import dagger.Component
-import dagger.android.AndroidInjector
-import dagger.android.support.AndroidSupportInjectionModule
-import io.github.wulkanowy.WulkanowyApp
-import io.github.wulkanowy.data.RepositoryModule
-import io.github.wulkanowy.services.ServicesModule
-import javax.inject.Singleton
-
-@Singleton
-@Component(modules = [
-    AndroidSupportInjectionModule::class,
-    AppModule::class,
-    RepositoryModule::class,
-    ServicesModule::class,
-    BindingModule::class])
-interface AppComponent : AndroidInjector<WulkanowyApp> {
-
-    @Component.Factory
-    interface Factory : AndroidInjector.Factory<WulkanowyApp>
-}
diff --git a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
index 42e50fa4e..4efb4d84a 100644
--- a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
@@ -2,34 +2,28 @@ package io.github.wulkanowy.di
 
 import android.appwidget.AppWidgetManager
 import android.content.Context
+import com.yariksoffice.lingver.Lingver
 import dagger.Module
 import dagger.Provides
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.WulkanowyApp
-import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.SchedulersProvider
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import io.github.wulkanowy.utils.DispatchersProvider
 import javax.inject.Singleton
 
 @Module
+@InstallIn(SingletonComponent::class)
 internal class AppModule {
 
     @Singleton
     @Provides
-    fun provideContext(app: WulkanowyApp): Context = app
+    fun provideDispatchersProvider() = DispatchersProvider()
 
     @Singleton
     @Provides
-    fun provideSchedulersProvider() = SchedulersProvider()
-
-    @Provides
-    fun provideFlexibleAdapter() = FlexibleAdapter<AbstractFlexibleItem<*>>(null, null, true)
+    fun provideAppWidgetManager(@ApplicationContext context: Context): AppWidgetManager = AppWidgetManager.getInstance(context)
 
     @Singleton
     @Provides
-    fun provideAppWidgetManager(context: Context): AppWidgetManager = AppWidgetManager.getInstance(context)
-
-    @Singleton
-    @Provides
-    fun provideAppInfo() = AppInfo()
+    fun provideLingver() = Lingver.getInstance()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/di/BindingModule.kt b/app/src/main/java/io/github/wulkanowy/di/BindingModule.kt
deleted file mode 100644
index 98061e609..000000000
--- a/app/src/main/java/io/github/wulkanowy/di/BindingModule.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package io.github.wulkanowy.di
-
-import dagger.Module
-import dagger.android.ContributesAndroidInjector
-import io.github.wulkanowy.di.scopes.PerActivity
-import io.github.wulkanowy.ui.modules.login.LoginActivity
-import io.github.wulkanowy.ui.modules.login.LoginModule
-import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetConfigureActivity
-import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider
-import io.github.wulkanowy.ui.modules.main.MainActivity
-import io.github.wulkanowy.ui.modules.main.MainModule
-import io.github.wulkanowy.ui.modules.message.send.SendMessageActivity
-import io.github.wulkanowy.ui.modules.splash.SplashActivity
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetConfigureActivity
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider
-
-@Suppress("unused")
-@Module
-internal abstract class BindingModule {
-
-    @PerActivity
-    @ContributesAndroidInjector
-    abstract fun bindSplashActivity(): SplashActivity
-
-    @PerActivity
-    @ContributesAndroidInjector(modules = [LoginModule::class])
-    abstract fun bindLoginActivity(): LoginActivity
-
-    @PerActivity
-    @ContributesAndroidInjector(modules = [MainModule::class])
-    abstract fun bindMainActivity(): MainActivity
-
-    @ContributesAndroidInjector
-    abstract fun bindMessageSendActivity(): SendMessageActivity
-
-    @ContributesAndroidInjector
-    abstract fun bindTimetableWidgetAccountActivity(): TimetableWidgetConfigureActivity
-
-    @ContributesAndroidInjector
-    abstract fun bindTimetableWidgetProvider(): TimetableWidgetProvider
-
-    @ContributesAndroidInjector
-    abstract fun bindLuckyNumberWidgetAccountActivity(): LuckyNumberWidgetConfigureActivity
-
-    @ContributesAndroidInjector
-    abstract fun bindLuckyNumberWidgetProvider(): LuckyNumberWidgetProvider
-}
diff --git a/app/src/main/java/io/github/wulkanowy/di/scopes/PerActivity.kt b/app/src/main/java/io/github/wulkanowy/di/scopes/PerActivity.kt
deleted file mode 100644
index c1b4352a4..000000000
--- a/app/src/main/java/io/github/wulkanowy/di/scopes/PerActivity.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.github.wulkanowy.di.scopes
-
-import javax.inject.Scope
-
-@Scope
-@Retention(AnnotationRetention.RUNTIME)
-annotation class PerActivity
diff --git a/app/src/main/java/io/github/wulkanowy/di/scopes/PerChildFragment.kt b/app/src/main/java/io/github/wulkanowy/di/scopes/PerChildFragment.kt
deleted file mode 100644
index 08884dac5..000000000
--- a/app/src/main/java/io/github/wulkanowy/di/scopes/PerChildFragment.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.github.wulkanowy.di.scopes
-
-import javax.inject.Scope
-
-@Scope
-@Retention(AnnotationRetention.RUNTIME)
-annotation class PerChildFragment
diff --git a/app/src/main/java/io/github/wulkanowy/di/scopes/PerFragment.kt b/app/src/main/java/io/github/wulkanowy/di/scopes/PerFragment.kt
deleted file mode 100644
index 1203d7d88..000000000
--- a/app/src/main/java/io/github/wulkanowy/di/scopes/PerFragment.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.github.wulkanowy.di.scopes
-
-import javax.inject.Scope
-
-@Scope
-@Retention(AnnotationRetention.RUNTIME)
-annotation class PerFragment
diff --git a/app/src/main/java/io/github/wulkanowy/services/HiltBroadcastReceiver.kt b/app/src/main/java/io/github/wulkanowy/services/HiltBroadcastReceiver.kt
new file mode 100644
index 000000000..1e795d439
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/HiltBroadcastReceiver.kt
@@ -0,0 +1,9 @@
+package io.github.wulkanowy.services
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+
+abstract class HiltBroadcastReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {}
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt b/app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt
index 3816856b9..891f07da0 100644
--- a/app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt
@@ -1,51 +1,59 @@
 package io.github.wulkanowy.services
 
+import android.app.AlarmManager
 import android.content.Context
 import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.getSystemService
 import androidx.work.WorkManager
-import com.squareup.inject.assisted.dagger2.AssistedModule
 import dagger.Binds
 import dagger.Module
 import dagger.Provides
-import dagger.android.ContributesAndroidInjector
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
 import dagger.multibindings.IntoSet
+import io.github.wulkanowy.services.sync.channels.Channel
+import io.github.wulkanowy.services.sync.channels.DebugChannel
+import io.github.wulkanowy.services.sync.channels.LuckyNumberChannel
+import io.github.wulkanowy.services.sync.channels.NewGradesChannel
+import io.github.wulkanowy.services.sync.channels.NewMessagesChannel
+import io.github.wulkanowy.services.sync.channels.NewNotesChannel
+import io.github.wulkanowy.services.sync.channels.PushChannel
+import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel
 import io.github.wulkanowy.services.sync.works.AttendanceSummaryWork
 import io.github.wulkanowy.services.sync.works.AttendanceWork
 import io.github.wulkanowy.services.sync.works.CompletedLessonWork
 import io.github.wulkanowy.services.sync.works.ExamWork
 import io.github.wulkanowy.services.sync.works.GradeStatisticsWork
-import io.github.wulkanowy.services.sync.works.GradeSummaryWork
 import io.github.wulkanowy.services.sync.works.GradeWork
 import io.github.wulkanowy.services.sync.works.HomeworkWork
 import io.github.wulkanowy.services.sync.works.LuckyNumberWork
 import io.github.wulkanowy.services.sync.works.MessageWork
 import io.github.wulkanowy.services.sync.works.NoteWork
 import io.github.wulkanowy.services.sync.works.RecipientWork
+import io.github.wulkanowy.services.sync.works.TeacherWork
 import io.github.wulkanowy.services.sync.works.TimetableWork
 import io.github.wulkanowy.services.sync.works.Work
-import io.github.wulkanowy.services.widgets.TimetableWidgetService
 import javax.inject.Singleton
 
 @Suppress("unused")
-@AssistedModule
-@Module(includes = [AssistedInject_ServicesModule::class])
+@Module
+@InstallIn(SingletonComponent::class)
 abstract class ServicesModule {
 
-    @Module
     companion object {
 
-        @JvmStatic
         @Provides
-        fun provideWorkManager(context: Context) = WorkManager.getInstance(context)
+        fun provideWorkManager(@ApplicationContext context: Context) = WorkManager.getInstance(context)
 
-        @JvmStatic
         @Singleton
         @Provides
-        fun provideNotificationManager(context: Context) = NotificationManagerCompat.from(context)
-    }
+        fun provideNotificationManager(@ApplicationContext context: Context) = NotificationManagerCompat.from(context)
 
-    @ContributesAndroidInjector
-    abstract fun bindTimetableWidgetService(): TimetableWidgetService
+        @Singleton
+        @Provides
+        fun provideAlarmManager(@ApplicationContext context: Context): AlarmManager = context.getSystemService()!!
+    }
 
     @Binds
     @IntoSet
@@ -59,10 +67,6 @@ abstract class ServicesModule {
     @IntoSet
     abstract fun provideAttendanceWork(work: AttendanceWork): Work
 
-    @Binds
-    @IntoSet
-    abstract fun provideGradeSummaryWork(work: GradeSummaryWork): Work
-
     @Binds
     @IntoSet
     abstract fun provideExamWork(work: ExamWork): Work
@@ -75,6 +79,10 @@ abstract class ServicesModule {
     @IntoSet
     abstract fun provideTimetableWork(work: TimetableWork): Work
 
+    @Binds
+    @IntoSet
+    abstract fun provideTeacherWork(work: TeacherWork): Work
+
     @Binds
     @IntoSet
     abstract fun provideLuckyNumberWork(work: LuckyNumberWork): Work
@@ -98,4 +106,32 @@ abstract class ServicesModule {
     @Binds
     @IntoSet
     abstract fun provideGradeStatistics(work: GradeStatisticsWork): Work
+
+    @Binds
+    @IntoSet
+    abstract fun provideDebugChannel(channel: DebugChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideLuckyNumberChannel(channel: LuckyNumberChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideNewGradesChannel(channel: NewGradesChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideNewMessageChannel(channel: NewMessagesChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideNewNotesChannel(channel: NewNotesChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun providePushChannel(channel: PushChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideUpcomingLessonsChannel(channel: UpcomingLessonsChannel): Channel
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
new file mode 100644
index 000000000..8eefc032f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
@@ -0,0 +1,119 @@
+package io.github.wulkanowy.services.alarm
+
+import android.annotation.SuppressLint
+import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Build.VERSION_CODES.N
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.services.HiltBroadcastReceiver
+import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel.Companion.CHANNEL_ID
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.getCompatColor
+import io.github.wulkanowy.utils.toLocalDateTime
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class TimetableNotificationReceiver : HiltBroadcastReceiver() {
+
+    @Inject
+    lateinit var studentRepository: StudentRepository
+
+    companion object {
+        const val NOTIFICATION_TYPE_CURRENT = 1
+        const val NOTIFICATION_TYPE_UPCOMING = 2
+        const val NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION = 3
+
+        const val NOTIFICATION_ID = "id"
+
+        const val STUDENT_NAME = "student_name"
+        const val STUDENT_ID = "student_id"
+        const val LESSON_TYPE = "type"
+        const val LESSON_TITLE = "title"
+        const val LESSON_ROOM = "room"
+        const val LESSON_NEXT_TITLE = "next_title"
+        const val LESSON_NEXT_ROOM = "next_room"
+        const val LESSON_START = "start_timestamp"
+        const val LESSON_END = "end_timestamp"
+    }
+
+    @SuppressLint("CheckResult")
+    override fun onReceive(context: Context, intent: Intent) {
+        super.onReceive(context, intent)
+        Timber.d("Receiving intent... ${intent.toUri(0)}")
+
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent(false)
+            val studentId = intent.getIntExtra(STUDENT_ID, 0)
+            if (student.studentId == studentId) prepareNotification(context, intent)
+            else Timber.d("Notification studentId($studentId) differs from current(${student.studentId})")
+        }.onEach {
+            if (it.status == Status.ERROR) Timber.e(it.error!!)
+        }.launchIn(GlobalScope)
+    }
+
+    private fun prepareNotification(context: Context, intent: Intent) {
+        val type = intent.getIntExtra(LESSON_TYPE, 0)
+        val notificationId = intent.getIntExtra(NOTIFICATION_ID, MainView.Section.TIMETABLE.id)
+
+        if (type == NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION) {
+            return NotificationManagerCompat.from(context).cancel(notificationId)
+        }
+
+        val studentId = intent.getIntExtra(STUDENT_ID, 0)
+        val studentName = intent.getStringExtra(STUDENT_NAME)
+
+        val subject = intent.getStringExtra(LESSON_TITLE)
+        val room = intent.getStringExtra(LESSON_ROOM)
+
+        val start = intent.getLongExtra(LESSON_START, 0)
+        val end = intent.getLongExtra(LESSON_END, 0)
+
+        val nextSubject = intent.getStringExtra(LESSON_NEXT_TITLE)
+        val nextRoom = intent.getStringExtra(LESSON_NEXT_ROOM)
+
+        Timber.d("TimetableNotification receive: type: $type, subject: $subject, start: ${start.toLocalDateTime()}, student: $studentId")
+
+        showNotification(context, notificationId, studentName,
+            if (type == NOTIFICATION_TYPE_CURRENT) end else start, end - start,
+            context.getString(if (type == NOTIFICATION_TYPE_CURRENT) R.string.timetable_now else R.string.timetable_next, "($room) $subject".removePrefix("()")),
+            nextSubject?.let { context.getString(R.string.timetable_later, "($nextRoom) $nextSubject".removePrefix("()")) }
+        )
+    }
+
+    private fun showNotification(context: Context, notificationId: Int, studentName: String?, countDown: Long, timeout: Long, title: String, next: String?) {
+        NotificationManagerCompat.from(context).notify(notificationId, NotificationCompat.Builder(context, CHANNEL_ID)
+            .setContentTitle(title)
+            .setContentText(next)
+            .setAutoCancel(false)
+            .setOngoing(true)
+            .setWhen(countDown)
+            .apply {
+                if (Build.VERSION.SDK_INT >= N) setUsesChronometer(true)
+            }
+            .setTimeoutAfter(timeout)
+            .setSmallIcon(R.drawable.ic_stat_timetable)
+            .setColor(context.getCompatColor(R.color.colorPrimary))
+            .setStyle(NotificationCompat.InboxStyle().also {
+                it.setSummaryText(studentName)
+                it.addLine(next)
+            })
+            .setContentIntent(PendingIntent.getActivity(context, MainView.Section.TIMETABLE.id,
+                MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true), FLAG_UPDATE_CURRENT))
+            .build()
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
new file mode 100644
index 000000000..c5a5590b9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt
@@ -0,0 +1,158 @@
+package io.github.wulkanowy.services.alarm
+
+import android.app.AlarmManager
+import android.app.AlarmManager.RTC_WAKEUP
+import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.content.Context
+import android.content.Intent
+import androidx.core.app.AlarmManagerCompat
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_END
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_NEXT_ROOM
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_NEXT_TITLE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_ROOM
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_START
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_TITLE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_TYPE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_ID
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_CURRENT
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_UPCOMING
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_ID
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_NAME
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.nickOrName
+import io.github.wulkanowy.utils.toTimestamp
+import kotlinx.coroutines.withContext
+import timber.log.Timber
+import java.time.LocalDateTime
+import java.time.LocalDateTime.now
+import javax.inject.Inject
+
+class TimetableNotificationSchedulerHelper @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val alarmManager: AlarmManager,
+    private val preferencesRepository: PreferencesRepository,
+    private val dispatchersProvider: DispatchersProvider,
+) {
+
+    private fun getRequestCode(time: LocalDateTime, studentId: Int) =
+        (time.toTimestamp() * studentId).toInt()
+
+    private fun getUpcomingLessonTime(
+        index: Int,
+        day: List<Timetable>,
+        lesson: Timetable
+    ) = day.getOrNull(index - 1)?.end ?: lesson.start.minusMinutes(30)
+
+    suspend fun cancelScheduled(lessons: List<Timetable>, studentId: Int = 1) {
+        withContext(dispatchersProvider.backgroundThread) {
+            lessons.sortedBy { it.start }.forEachIndexed { index, lesson ->
+                val upcomingTime = getUpcomingLessonTime(index, lessons, lesson)
+                cancelScheduledTo(
+                    upcomingTime..lesson.start,
+                    getRequestCode(upcomingTime, studentId)
+                )
+                cancelScheduledTo(lesson.start..lesson.end, getRequestCode(lesson.start, studentId))
+
+                Timber.d("TimetableNotification canceled: type 1 & 2, subject: ${lesson.subject}, start: ${lesson.start}, student: $studentId")
+            }
+        }
+    }
+
+    private fun cancelScheduledTo(range: ClosedRange<LocalDateTime>, requestCode: Int) {
+        if (now() in range) cancelNotification()
+        alarmManager.cancel(
+            PendingIntent.getBroadcast(context, requestCode, Intent(), FLAG_UPDATE_CURRENT)
+        )
+    }
+
+    fun cancelNotification() =
+        NotificationManagerCompat.from(context).cancel(MainView.Section.TIMETABLE.id)
+
+    suspend fun scheduleNotifications(lessons: List<Timetable>, student: Student) {
+        if (!preferencesRepository.isUpcomingLessonsNotificationsEnable) {
+            return cancelScheduled(lessons, student.studentId)
+        }
+
+        withContext(dispatchersProvider.backgroundThread) {
+            lessons.groupBy { it.date }
+                .map { it.value.sortedBy { lesson -> lesson.start } }
+                .map { it.filter { lesson -> lesson.isStudentPlan } }
+                .map { day ->
+                    val canceled = day.filter { it.canceled }
+                    val active = day.filter { !it.canceled }
+
+                    cancelScheduled(canceled)
+                    active.forEachIndexed { index, lesson ->
+                        val intent = createIntent(student, lesson, active.getOrNull(index + 1))
+
+                        if (lesson.start > now()) {
+                            scheduleBroadcast(
+                                intent,
+                                student.studentId,
+                                NOTIFICATION_TYPE_UPCOMING,
+                                getUpcomingLessonTime(index, active, lesson)
+                            )
+                        }
+
+                        if (lesson.end > now()) {
+                            scheduleBroadcast(
+                                intent,
+                                student.studentId,
+                                NOTIFICATION_TYPE_CURRENT,
+                                lesson.start
+                            )
+                            if (active.lastIndex == index) {
+                                scheduleBroadcast(
+                                    intent,
+                                    student.studentId,
+                                    NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION,
+                                    lesson.end
+                                )
+                            }
+                        }
+                    }
+                }
+        }
+    }
+
+    private fun createIntent(student: Student, lesson: Timetable, nextLesson: Timetable?): Intent {
+        return Intent(context, TimetableNotificationReceiver::class.java).apply {
+            putExtra(STUDENT_ID, student.studentId)
+            putExtra(STUDENT_NAME, student.nickOrName)
+            putExtra(LESSON_ROOM, lesson.room)
+            putExtra(LESSON_START, lesson.start.toTimestamp())
+            putExtra(LESSON_END, lesson.end.toTimestamp())
+            putExtra(LESSON_TITLE, lesson.subject)
+            putExtra(LESSON_NEXT_TITLE, nextLesson?.subject)
+            putExtra(LESSON_NEXT_ROOM, nextLesson?.room)
+        }
+    }
+
+    private fun scheduleBroadcast(
+        intent: Intent,
+        studentId: Int,
+        notificationType: Int,
+        time: LocalDateTime
+    ) {
+        AlarmManagerCompat.setExactAndAllowWhileIdle(
+            alarmManager, RTC_WAKEUP, time.toTimestamp(),
+            PendingIntent.getBroadcast(context, getRequestCode(time, studentId), intent.also {
+                it.putExtra(NOTIFICATION_ID, MainView.Section.TIMETABLE.id)
+                it.putExtra(LESSON_TYPE, notificationType)
+            }, FLAG_UPDATE_CURRENT)
+        )
+        Timber.d(
+            "TimetableNotification scheduled: type: $notificationType, subject: ${
+                intent.getStringExtra(LESSON_TITLE)
+            }, start: $time, student: $studentId"
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt b/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
index 98fc35228..b94d97e33 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
@@ -2,22 +2,29 @@ package io.github.wulkanowy.services.sync
 
 import android.os.Build.VERSION.SDK_INT
 import android.os.Build.VERSION_CODES.O
+import androidx.core.app.NotificationManagerCompat
+import androidx.lifecycle.asFlow
 import androidx.work.BackoffPolicy.EXPONENTIAL
 import androidx.work.Constraints
+import androidx.work.Data
 import androidx.work.ExistingPeriodicWorkPolicy.KEEP
 import androidx.work.ExistingPeriodicWorkPolicy.REPLACE
+import androidx.work.ExistingWorkPolicy
 import androidx.work.NetworkType.CONNECTED
 import androidx.work.NetworkType.UNMETERED
+import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkInfo
 import androidx.work.WorkManager
 import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.services.sync.channels.DebugChannel
-import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
+import io.github.wulkanowy.data.db.SharedPrefProvider.Companion.APP_VERSION_CODE_KEY
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.services.sync.channels.Channel
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.isHolidays
-import org.threeten.bp.LocalDate.now
+import kotlinx.coroutines.flow.Flow
 import timber.log.Timber
+import java.time.LocalDate.now
 import java.util.concurrent.TimeUnit.MINUTES
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -26,32 +33,29 @@ import javax.inject.Singleton
 class SyncManager @Inject constructor(
     private val workManager: WorkManager,
     private val preferencesRepository: PreferencesRepository,
+    channels: Set<@JvmSuppressWildcards Channel>,
+    notificationManager: NotificationManagerCompat,
     sharedPrefProvider: SharedPrefProvider,
-    newEntriesChannel: NewEntriesChannel,
-    debugChannel: DebugChannel,
     appInfo: AppInfo
 ) {
 
-    companion object {
-        private const val APP_VERSION_CODE_KEY = "app_version_code"
-    }
-
     init {
         if (now().isHolidays) stopSyncWorker()
 
-        if (SDK_INT > O) {
-            newEntriesChannel.create()
-            if (appInfo.isDebug) debugChannel.create()
+        if (SDK_INT >= O) {
+            channels.forEach { it.create() }
+            notificationManager.deleteNotificationChannel("lesson_channel")
+            notificationManager.deleteNotificationChannel("new_entries_channel")
         }
 
         if (sharedPrefProvider.getLong(APP_VERSION_CODE_KEY, -1L) != appInfo.versionCode.toLong()) {
-            startSyncWorker(true)
+            startPeriodicSyncWorker(true)
             sharedPrefProvider.putLong(APP_VERSION_CODE_KEY, appInfo.versionCode.toLong(), true)
         }
         Timber.i("SyncManager was initialized")
     }
 
-    fun startSyncWorker(restart: Boolean = false) {
+    fun startPeriodicSyncWorker(restart: Boolean = false) {
         if (preferencesRepository.isServiceEnabled && !now().isHolidays) {
             workManager.enqueueUniquePeriodicWork(SyncWorker::class.java.simpleName, if (restart) REPLACE else KEEP,
                 PeriodicWorkRequestBuilder<SyncWorker>(preferencesRepository.servicesInterval, MINUTES)
@@ -64,6 +68,20 @@ class SyncManager @Inject constructor(
         }
     }
 
+    fun startOneTimeSyncWorker(): Flow<WorkInfo> {
+        val work = OneTimeWorkRequestBuilder<SyncWorker>()
+            .setInputData(
+                Data.Builder()
+                    .putBoolean("one_time", true)
+                    .build()
+            )
+            .build()
+
+        workManager.enqueueUniqueWork("${SyncWorker::class.java.simpleName}_one_time", ExistingWorkPolicy.REPLACE, work)
+
+        return workManager.getWorkInfoByIdLiveData(work.id).asFlow()
+    }
+
     fun stopSyncWorker() {
         workManager.cancelUniqueWork(SyncWorker::class.java.simpleName)
     }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt b/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
index 192698999..8b6bc65d1 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
@@ -5,24 +5,26 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.BigTextStyle
 import androidx.core.app.NotificationCompat.PRIORITY_DEFAULT
 import androidx.core.app.NotificationManagerCompat
-import androidx.work.ListenableWorker
-import androidx.work.RxWorker
+import androidx.hilt.work.HiltWorker
+import androidx.work.CoroutineWorker
+import androidx.work.Data
 import androidx.work.WorkerParameters
-import com.squareup.inject.assisted.Assisted
-import com.squareup.inject.assisted.AssistedInject
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
 import io.github.wulkanowy.R
-import io.github.wulkanowy.api.interceptor.FeatureDisabledException
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
-import io.reactivex.Single
+import kotlinx.coroutines.coroutineScope
 import timber.log.Timber
 import kotlin.random.Random
 
+@HiltWorker
 class SyncWorker @AssistedInject constructor(
     @Assisted appContext: Context,
     @Assisted workerParameters: WorkerParameters,
@@ -31,51 +33,60 @@ class SyncWorker @AssistedInject constructor(
     private val works: Set<@JvmSuppressWildcards Work>,
     private val preferencesRepository: PreferencesRepository,
     private val notificationManager: NotificationManagerCompat
-) : RxWorker(appContext, workerParameters) {
+) : CoroutineWorker(appContext, workerParameters) {
 
-    override fun createWork(): Single<Result> {
+    override suspend fun doWork() = coroutineScope {
         Timber.i("SyncWorker is starting")
-        return studentRepository.isCurrentStudentSet()
-            .filter { true }
-            .flatMap { studentRepository.getCurrentStudent().toMaybe() }
-            .flatMapCompletable { student ->
-                semesterRepository.getCurrentSemester(student, true)
-                    .flatMapCompletable { semester ->
-                        Completable.mergeDelayError(works.map { work ->
-                            work.create(student, semester)
-                                .doOnSubscribe { Timber.i("${work::class.java.simpleName} is starting") }
-                                .doOnError { Timber.i("${work::class.java.simpleName} result: An exception occurred") }
-                                .doOnComplete { Timber.i("${work::class.java.simpleName} result: Success") }
-                        })
-                    }
+
+        if (!studentRepository.isCurrentStudentSet()) return@coroutineScope Result.failure()
+
+        val student = studentRepository.getCurrentStudent()
+        val semester = semesterRepository.getCurrentSemester(student, true)
+
+        val exceptions = works.mapNotNull { work ->
+            try {
+                Timber.i("${work::class.java.simpleName} is starting")
+                work.doWork(student, semester)
+                Timber.i("${work::class.java.simpleName} result: Success")
+                null
+            } catch (e: Throwable) {
+                Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
+                if (e is FeatureDisabledException || e is FeatureNotAvailableException) null
+                else {
+                    Timber.e(e)
+                    e
+                }
             }
-            .toSingleDefault(Result.success())
-            .onErrorReturn {
-                Timber.e(it, "There was an error during synchronization")
-                if (it is FeatureDisabledException) Result.success()
-                else Result.retry()
-            }
-            .doOnSuccess {
-                if (preferencesRepository.isDebugNotificationEnable) notify(it)
-                Timber.i("SyncWorker result: $it")
+        }
+        val result = when {
+            exceptions.isNotEmpty() && inputData.getBoolean("one_time", false) -> {
+                Result.failure(
+                    Data.Builder()
+                        .putString("error", exceptions.map { it.stackTraceToString() }.toString())
+                        .build()
+                )
             }
+            exceptions.isNotEmpty() -> Result.retry()
+            else -> Result.success()
+        }
+
+        if (preferencesRepository.isDebugNotificationEnable) notify(result)
+        Timber.i("SyncWorker result: $result")
+
+        result
     }
 
     private fun notify(result: Result) {
-        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(applicationContext, DebugChannel.CHANNEL_ID)
-            .setContentTitle("Debug notification")
-            .setSmallIcon(R.drawable.ic_more_settings)
-            .setAutoCancel(true)
-            .setColor(applicationContext.getCompatColor(R.color.colorPrimary))
-            .setStyle(BigTextStyle().bigText("${SyncWorker::class.java.simpleName} result: $result"))
-            .setPriority(PRIORITY_DEFAULT)
-            .build())
-    }
-
-    @AssistedInject.Factory
-    interface Factory {
-
-        fun create(appContext: Context, workerParameters: WorkerParameters): ListenableWorker
+        notificationManager.notify(
+            Random.nextInt(Int.MAX_VALUE),
+            NotificationCompat.Builder(applicationContext, DebugChannel.CHANNEL_ID)
+                .setContentTitle("Debug notification")
+                .setSmallIcon(R.drawable.ic_stat_push)
+                .setAutoCancel(true)
+                .setColor(applicationContext.getCompatColor(R.color.colorPrimary))
+                .setStyle(BigTextStyle().bigText("${SyncWorker::class.java.simpleName} result: $result"))
+                .setPriority(PRIORITY_DEFAULT)
+                .build()
+        )
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorkerFactory.kt b/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorkerFactory.kt
deleted file mode 100644
index aadfc27f4..000000000
--- a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorkerFactory.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package io.github.wulkanowy.services.sync
-
-import android.content.Context
-import androidx.work.ListenableWorker
-import androidx.work.WorkerFactory
-import androidx.work.WorkerParameters
-import timber.log.Timber
-import javax.inject.Inject
-
-class SyncWorkerFactory @Inject constructor(private val syncWorkerFactory: SyncWorker.Factory) : WorkerFactory() {
-
-    override fun createWorker(appContext: Context, workerClassName: String, workerParameters: WorkerParameters): ListenableWorker? {
-        return if (workerClassName == SyncWorker::class.java.name) {
-            syncWorkerFactory.create(appContext, workerParameters)
-        } else {
-            Timber.e(IllegalArgumentException("Unknown worker class name: $workerClassName"))
-            null
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/Channel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/Channel.kt
new file mode 100644
index 000000000..f47c2220c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/Channel.kt
@@ -0,0 +1,6 @@
+package io.github.wulkanowy.services.sync.channels
+
+interface Channel {
+
+    fun create()
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/DebugChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/DebugChannel.kt
index 166d3efc4..2c7565195 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/channels/DebugChannel.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/DebugChannel.kt
@@ -6,20 +6,24 @@ import android.app.NotificationChannel
 import android.app.NotificationManager.IMPORTANCE_DEFAULT
 import android.content.Context
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
+import io.github.wulkanowy.utils.AppInfo
 import javax.inject.Inject
 
 @TargetApi(26)
 class DebugChannel @Inject constructor(
     private val notificationManager: NotificationManagerCompat,
-    private val context: Context
-) {
+    @ApplicationContext private val context: Context,
+    private val appInfo: AppInfo
+) : Channel {
 
     companion object {
         const val CHANNEL_ID = "debug_channel"
     }
 
-    fun create() {
+    override fun create() {
+        if (!appInfo.isDebug) return
         notificationManager.createNotificationChannel(
             NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_debug), IMPORTANCE_DEFAULT)
                 .apply {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/LuckyNumberChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/LuckyNumberChannel.kt
new file mode 100644
index 000000000..8025bd76c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/LuckyNumberChannel.kt
@@ -0,0 +1,32 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class LuckyNumberChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    @ApplicationContext private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "lucky_number_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_lucky_number), NotificationManager.IMPORTANCE_HIGH)
+                .apply {
+                    enableLights(true)
+                    enableVibration(true)
+                    lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+                })
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewGradesChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewGradesChannel.kt
new file mode 100644
index 000000000..5d5727d35
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewGradesChannel.kt
@@ -0,0 +1,32 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class NewGradesChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    @ApplicationContext private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "new_grade_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_new_grades), NotificationManager.IMPORTANCE_HIGH)
+                .apply {
+                    enableLights(true)
+                    enableVibration(true)
+                    lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+                })
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewMessagesChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewMessagesChannel.kt
new file mode 100644
index 000000000..962fbfa24
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewMessagesChannel.kt
@@ -0,0 +1,32 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class NewMessagesChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    @ApplicationContext private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "new_message_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_new_message), NotificationManager.IMPORTANCE_HIGH)
+                .apply {
+                    enableLights(true)
+                    enableVibration(true)
+                    lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+                })
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewEntriesChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewNotesChannel.kt
similarity index 57%
rename from app/src/main/java/io/github/wulkanowy/services/sync/channels/NewEntriesChannel.kt
rename to app/src/main/java/io/github/wulkanowy/services/sync/channels/NewNotesChannel.kt
index 71624510b..c6e79b393 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewEntriesChannel.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/NewNotesChannel.kt
@@ -1,31 +1,32 @@
 package io.github.wulkanowy.services.sync.channels
 
 import android.annotation.TargetApi
-import android.app.Notification.VISIBILITY_PUBLIC
+import android.app.Notification
 import android.app.NotificationChannel
-import android.app.NotificationManager.IMPORTANCE_HIGH
+import android.app.NotificationManager
 import android.content.Context
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import javax.inject.Inject
 
 @TargetApi(26)
-class NewEntriesChannel @Inject constructor(
+class NewNotesChannel @Inject constructor(
     private val notificationManager: NotificationManagerCompat,
-    private val context: Context
-) {
+    @ApplicationContext private val context: Context
+) : Channel {
 
     companion object {
-        const val CHANNEL_ID = "new_entries_channel"
+        const val CHANNEL_ID = "new_notes_channel"
     }
 
-    fun create() {
+    override fun create() {
         notificationManager.createNotificationChannel(
-            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_new_entries), IMPORTANCE_HIGH)
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_new_notes), NotificationManager.IMPORTANCE_HIGH)
                 .apply {
                     enableLights(true)
                     enableVibration(true)
-                    lockscreenVisibility = VISIBILITY_PUBLIC
+                    lockscreenVisibility = Notification.VISIBILITY_PUBLIC
                 })
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/PushChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/PushChannel.kt
new file mode 100644
index 000000000..1d7376b92
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/PushChannel.kt
@@ -0,0 +1,33 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class PushChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    @ApplicationContext private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "push_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_push), NotificationManager.IMPORTANCE_HIGH)
+                .apply {
+                    enableLights(true)
+                    enableVibration(true)
+                    lockscreenVisibility = Notification.VISIBILITY_PUBLIC
+                }
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/channels/UpcomingLessonsChannel.kt b/app/src/main/java/io/github/wulkanowy/services/sync/channels/UpcomingLessonsChannel.kt
new file mode 100644
index 000000000..63b3a4f91
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/channels/UpcomingLessonsChannel.kt
@@ -0,0 +1,33 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification.VISIBILITY_PUBLIC
+import android.app.NotificationChannel
+import android.app.NotificationManager.IMPORTANCE_DEFAULT
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class UpcomingLessonsChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    @ApplicationContext private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "upcoming_lesson_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_upcoming_lessons), IMPORTANCE_DEFAULT).apply {
+                lockscreenVisibility = VISIBILITY_PUBLIC
+                setShowBadge(false)
+                enableVibration(false)
+                setSound(null, null)
+            }
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
index 01978c5b6..cbe1fe6bd 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
@@ -2,16 +2,15 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.attendancesummary.AttendanceSummaryRepository
-import io.reactivex.Completable
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 
 class AttendanceSummaryWork @Inject constructor(
     private val attendanceSummaryRepository: AttendanceSummaryRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return attendanceSummaryRepository.getAttendanceSummary(semester, -1, true).ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        attendanceSummaryRepository.getAttendanceSummary(student, semester, -1, true).waitForResult()
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
index e4b55b0ea..788e4ea2c 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
@@ -2,17 +2,16 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.attendance.AttendanceRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.repositories.AttendanceRepository
 import io.github.wulkanowy.utils.monday
-import io.reactivex.Completable
-import org.threeten.bp.LocalDate.now
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.waitForResult
+import java.time.LocalDate.now
 import javax.inject.Inject
 
 class AttendanceWork @Inject constructor(private val attendanceRepository: AttendanceRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return attendanceRepository.getAttendance(semester, now().monday, now().friday, true)
-            .ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        attendanceRepository.getAttendance(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
index 29642ad6f..17bd61292 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
@@ -2,20 +2,18 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.completedlessons.CompletedLessonsRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.repositories.CompletedLessonsRepository
 import io.github.wulkanowy.utils.monday
-import io.reactivex.Completable
-import org.threeten.bp.LocalDate.now
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.waitForResult
+import java.time.LocalDate.now
 import javax.inject.Inject
 
 class CompletedLessonWork @Inject constructor(
     private val completedLessonsRepository: CompletedLessonsRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return completedLessonsRepository.getCompletedLessons(semester, now().monday, now().friday, true)
-            .ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        completedLessonsRepository.getCompletedLessons(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
index 8744fcc79..b75499301 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
@@ -2,16 +2,14 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.exam.ExamRepository
-import io.github.wulkanowy.utils.friday
-import io.github.wulkanowy.utils.monday
-import io.reactivex.Completable
-import org.threeten.bp.LocalDate.now
+import io.github.wulkanowy.data.repositories.ExamRepository
+import io.github.wulkanowy.utils.waitForResult
+import java.time.LocalDate.now
 import javax.inject.Inject
 
 class ExamWork @Inject constructor(private val examRepository: ExamRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return examRepository.getExams(semester, now().monday, now().friday, true).ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        examRepository.getExams(student, semester, now(), now(), true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
index 1de39a95f..4575b419b 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
@@ -2,15 +2,19 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.gradestatistics.GradeStatisticsRepository
-import io.reactivex.Completable
+import io.github.wulkanowy.data.repositories.GradeStatisticsRepository
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 
-class GradeStatisticsWork @Inject constructor(private val gradeStatisticsRepository: GradeStatisticsRepository) : Work {
+class GradeStatisticsWork @Inject constructor(
+    private val gradeStatisticsRepository: GradeStatisticsRepository
+) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return gradeStatisticsRepository.getGradesStatistics(semester, "Wszystkie", false, true)
-            .ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        with(gradeStatisticsRepository) {
+            getGradesPartialStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
+            getGradesSemesterStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
+            getGradesPointsStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
+        }
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeSummaryWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeSummaryWork.kt
deleted file mode 100644
index 6de0bc5b0..000000000
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeSummaryWork.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package io.github.wulkanowy.services.sync.works
-
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.gradessummary.GradeSummaryRepository
-import io.reactivex.Completable
-import javax.inject.Inject
-
-class GradeSummaryWork @Inject constructor(private val gradeSummaryRepository: GradeSummaryRepository) : Work {
-
-    override fun create(student: Student, semester: Semester): Completable {
-        return gradeSummaryRepository.getGradesSummary(semester, true).ignoreElement()
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
index cd863568b..19c26edd0 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
@@ -7,40 +7,51 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.DEFAULT_ALL
 import androidx.core.app.NotificationCompat.PRIORITY_HIGH
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.grade.GradeRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
+import io.github.wulkanowy.data.repositories.GradeRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.services.sync.channels.NewGradesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
+import kotlinx.coroutines.flow.first
 import javax.inject.Inject
 import kotlin.random.Random
 
 class GradeWork @Inject constructor(
-    private val context: Context,
+    @ApplicationContext private val context: Context,
     private val notificationManager: NotificationManagerCompat,
     private val gradeRepository: GradeRepository,
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return gradeRepository.getGrades(student, semester, true, preferencesRepository.isNotificationsEnable)
-            .flatMap { gradeRepository.getNotNotifiedGrades(semester) }
-            .flatMapCompletable {
-                if (it.isNotEmpty()) notify(it)
-                gradeRepository.updateGrades(it.onEach { grade -> grade.isNotified = true })
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        gradeRepository.getGrades(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        gradeRepository.getNotNotifiedGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyDetails(it)
+            gradeRepository.updateGrades(it.onEach { grade -> grade.isNotified = true })
+        }
+
+        gradeRepository.getNotNotifiedPredictedGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyPredicted(it)
+            gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isPredictedGradeNotified = true })
+        }
+
+        gradeRepository.getNotNotifiedFinalGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyFinal(it)
+            gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isFinalGradeNotified = true })
+        }
     }
 
-    private fun notify(grades: List<Grade>) {
-        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewEntriesChannel.CHANNEL_ID)
-            .setContentTitle(context.resources.getQuantityString(R.plurals.grade_new_items, grades.size, grades.size))
-            .setContentText(context.resources.getQuantityString(R.plurals.grade_notify_new_items, grades.size, grades.size))
+    private fun getNotificationBuilder(): NotificationCompat.Builder {
+        return NotificationCompat.Builder(context, NewGradesChannel.CHANNEL_ID)
             .setSmallIcon(R.drawable.ic_stat_grade)
             .setAutoCancel(true)
             .setPriority(PRIORITY_HIGH)
@@ -49,6 +60,12 @@ class GradeWork @Inject constructor(
             .setContentIntent(
                 PendingIntent.getActivity(context, MainView.Section.GRADE.id,
                     MainActivity.getStartIntent(context, MainView.Section.GRADE, true), FLAG_UPDATE_CURRENT))
+    }
+
+    private fun notifyDetails(grades: List<Grade>) {
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), getNotificationBuilder()
+            .setContentTitle(context.resources.getQuantityString(R.plurals.grade_new_items, grades.size, grades.size))
+            .setContentText(context.resources.getQuantityString(R.plurals.grade_notify_new_items, grades.size, grades.size))
             .setStyle(NotificationCompat.InboxStyle().run {
                 setSummaryText(context.resources.getQuantityString(R.plurals.grade_number_item, grades.size, grades.size))
                 grades.forEach { addLine("${it.subject}: ${it.entry}") }
@@ -57,5 +74,30 @@ class GradeWork @Inject constructor(
             .build()
         )
     }
-}
 
+    private fun notifyPredicted(gradesSummary: List<GradeSummary>) {
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), getNotificationBuilder()
+            .setContentTitle(context.resources.getQuantityString(R.plurals.grade_new_items_predicted, gradesSummary.size, gradesSummary.size))
+            .setContentText(context.resources.getQuantityString(R.plurals.grade_notify_new_items_predicted, gradesSummary.size, gradesSummary.size))
+            .setStyle(NotificationCompat.InboxStyle().run {
+                setSummaryText(context.resources.getQuantityString(R.plurals.grade_number_item, gradesSummary.size, gradesSummary.size))
+                gradesSummary.forEach { addLine("${it.subject}: ${it.predictedGrade}") }
+                this
+            })
+            .build()
+        )
+    }
+
+    private fun notifyFinal(gradesSummary: List<GradeSummary>) {
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), getNotificationBuilder()
+            .setContentTitle(context.resources.getQuantityString(R.plurals.grade_new_items_final, gradesSummary.size, gradesSummary.size))
+            .setContentText(context.resources.getQuantityString(R.plurals.grade_notify_new_items_final, gradesSummary.size, gradesSummary.size))
+            .setStyle(NotificationCompat.InboxStyle().run {
+                setSummaryText(context.resources.getQuantityString(R.plurals.grade_number_item, gradesSummary.size, gradesSummary.size))
+                gradesSummary.forEach { addLine("${it.subject}: ${it.finalGrade}") }
+                this
+            })
+            .build()
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
index 32b356c68..a16841e9a 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
@@ -2,16 +2,16 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.repositories.HomeworkRepository
 import io.github.wulkanowy.utils.monday
-import io.reactivex.Completable
-import org.threeten.bp.LocalDate.now
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.waitForResult
+import java.time.LocalDate.now
 import javax.inject.Inject
 
 class HomeworkWork @Inject constructor(private val homeworkRepository: HomeworkRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return homeworkRepository.getHomework(semester, now().monday, now().friday, true).ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        homeworkRepository.getHomework(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
index 1e366d58c..9f5365535 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
@@ -7,38 +7,39 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.DEFAULT_ALL
 import androidx.core.app.NotificationCompat.PRIORITY_HIGH
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
+import io.github.wulkanowy.data.repositories.LuckyNumberRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.services.sync.channels.LuckyNumberChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 import kotlin.random.Random
 
 class LuckyNumberWork @Inject constructor(
-    private val context: Context,
+    @ApplicationContext private val context: Context,
     private val notificationManager: NotificationManagerCompat,
     private val luckyNumberRepository: LuckyNumberRepository,
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return luckyNumberRepository.getLuckyNumber(semester, true, preferencesRepository.isNotificationsEnable)
-            .flatMap { luckyNumberRepository.getNotNotifiedLuckyNumber(semester) }
-            .flatMapCompletable {
-                notify(it)
-                luckyNumberRepository.updateLuckyNumber(it.apply { isNotified = true })
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        luckyNumberRepository.getLuckyNumber(student, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        luckyNumberRepository.getNotNotifiedLuckyNumber(student)?.let {
+            notify(it)
+            luckyNumberRepository.updateLuckyNumber(it.apply { isNotified = true })
+        }
     }
 
     private fun notify(luckyNumber: LuckyNumber) {
-        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewEntriesChannel.CHANNEL_ID)
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, LuckyNumberChannel.CHANNEL_ID)
             .setContentTitle(context.getString(R.string.lucky_number_notify_new_item_title))
             .setContentText(context.getString(R.string.lucky_number_notify_new_item, luckyNumber.luckyNumber))
             .setSmallIcon(R.drawable.ic_stat_luckynumber)
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
index c94f3aaf2..93c30b57c 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
@@ -7,39 +7,41 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.DEFAULT_ALL
 import androidx.core.app.NotificationCompat.PRIORITY_HIGH
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.message.MessageFolder.RECEIVED
-import io.github.wulkanowy.data.repositories.message.MessageRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
+import io.github.wulkanowy.data.enums.MessageFolder.RECEIVED
+import io.github.wulkanowy.data.repositories.MessageRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.services.sync.channels.NewMessagesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
+import kotlinx.coroutines.flow.first
 import javax.inject.Inject
 import kotlin.random.Random
 
 class MessageWork @Inject constructor(
-    private val context: Context,
+    @ApplicationContext private val context: Context,
     private val notificationManager: NotificationManagerCompat,
     private val messageRepository: MessageRepository,
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return messageRepository.getMessages(student, RECEIVED, true, preferencesRepository.isNotificationsEnable)
-            .flatMap { messageRepository.getNotNotifiedMessages(student) }
-            .flatMapCompletable {
-                if (it.isNotEmpty()) notify(it)
-                messageRepository.updateMessages(it.onEach { message -> message.isNotified = true })
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        messageRepository.getMessages(student, semester, RECEIVED, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        messageRepository.getNotNotifiedMessages(student).first().let {
+            if (it.isNotEmpty()) notify(it)
+            messageRepository.updateMessages(it.onEach { message -> message.isNotified = true })
+        }
     }
 
     private fun notify(messages: List<Message>) {
-        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewEntriesChannel.CHANNEL_ID)
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewMessagesChannel.CHANNEL_ID)
             .setContentTitle(context.resources.getQuantityString(R.plurals.message_new_items, messages.size, messages.size))
             .setContentText(context.resources.getQuantityString(R.plurals.message_notify_new_items, messages.size, messages.size))
             .setSmallIcon(R.drawable.ic_stat_message)
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
index 235ef201e..50f418ed3 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
@@ -7,40 +7,57 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.DEFAULT_ALL
 import androidx.core.app.NotificationCompat.PRIORITY_HIGH
 import androidx.core.app.NotificationManagerCompat
+import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.note.NoteRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
+import io.github.wulkanowy.data.repositories.NoteRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory.NEUTRAL
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory.POSITIVE
+import io.github.wulkanowy.services.sync.channels.NewNotesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
+import kotlinx.coroutines.flow.first
 import javax.inject.Inject
 import kotlin.random.Random
 
 class NoteWork @Inject constructor(
-    private val context: Context,
+    @ApplicationContext private val context: Context,
     private val notificationManager: NotificationManagerCompat,
     private val noteRepository: NoteRepository,
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return noteRepository.getNotes(student, semester, true, preferencesRepository.isNotificationsEnable)
-            .flatMap { noteRepository.getNotNotifiedNotes(student) }
-            .flatMapCompletable {
-                if (it.isNotEmpty()) notify(it)
-                noteRepository.updateNotes(it.onEach { note -> note.isNotified = true })
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        noteRepository.getNotes(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        noteRepository.getNotNotifiedNotes(student).first().let {
+            if (it.isNotEmpty()) notify(it)
+            noteRepository.updateNotes(it.onEach { note -> note.isNotified = true })
+        }
     }
 
     private fun notify(notes: List<Note>) {
-        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewEntriesChannel.CHANNEL_ID)
-            .setContentTitle(context.resources.getQuantityString(R.plurals.note_new_items, notes.size, notes.size))
-            .setContentText(context.resources.getQuantityString(R.plurals.note_notify_new_items, notes.size, notes.size))
+        notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewNotesChannel.CHANNEL_ID)
+            .setContentTitle(
+                when (NoteCategory.getByValue(notes.first().categoryType)) {
+                    POSITIVE -> context.resources.getQuantityString(R.plurals.praise_new_items, notes.size, notes.size)
+                    NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_new_items, notes.size, notes.size)
+                    else -> context.resources.getQuantityString(R.plurals.note_new_items, notes.size, notes.size)
+                }
+            )
+            .setContentText(
+                when (NoteCategory.getByValue(notes.first().categoryType)) {
+                    POSITIVE -> context.resources.getQuantityString(R.plurals.praise_notify_new_items, notes.size, notes.size)
+                    NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_notify_new_items, notes.size, notes.size)
+                    else -> context.resources.getQuantityString(R.plurals.note_notify_new_items, notes.size, notes.size)
+                }
+            )
             .setSmallIcon(R.drawable.ic_stat_note)
             .setAutoCancel(true)
             .setDefaults(DEFAULT_ALL)
@@ -50,7 +67,13 @@ class NoteWork @Inject constructor(
                 PendingIntent.getActivity(context, MainView.Section.NOTE.id,
                     MainActivity.getStartIntent(context, MainView.Section.NOTE, true), FLAG_UPDATE_CURRENT))
             .setStyle(NotificationCompat.InboxStyle().run {
-                setSummaryText(context.resources.getQuantityString(R.plurals.note_number_item, notes.size, notes.size))
+                setSummaryText(
+                    when (NoteCategory.getByValue(notes.first().categoryType)) {
+                        POSITIVE -> context.resources.getQuantityString(R.plurals.praise_number_item, notes.size, notes.size)
+                        NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_number_item, notes.size, notes.size)
+                        else -> context.resources.getQuantityString(R.plurals.note_number_item, notes.size, notes.size)
+                    }
+                )
                 notes.forEach { addLine("${it.teacher}: ${it.category}") }
                 this
             })
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
index fa610dee4..34ab3db04 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
@@ -2,9 +2,8 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.recipient.RecipientRepository
-import io.github.wulkanowy.data.repositories.reportingunit.ReportingUnitRepository
-import io.reactivex.Completable
+import io.github.wulkanowy.data.repositories.RecipientRepository
+import io.github.wulkanowy.data.repositories.ReportingUnitRepository
 import javax.inject.Inject
 
 class RecipientWork @Inject constructor(
@@ -12,13 +11,13 @@ class RecipientWork @Inject constructor(
     private val recipientRepository: RecipientRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return reportingUnitRepository.getReportingUnits(student, true)
-            .flatMapCompletable { units ->
-                Completable.mergeDelayError(units.map {
-                    recipientRepository.getRecipients(student, 2, it, true).ignoreElement()
-                })
+    override suspend fun doWork(student: Student, semester: Semester) {
+        reportingUnitRepository.refreshReportingUnits(student)
+
+        reportingUnitRepository.getReportingUnits(student).let { units ->
+            units.map {
+                recipientRepository.refreshRecipients(student, it, 2)
             }
+        }
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt
new file mode 100644
index 000000000..7c614c6c5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt
@@ -0,0 +1,14 @@
+package io.github.wulkanowy.services.sync.works
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.repositories.TeacherRepository
+import io.github.wulkanowy.utils.waitForResult
+import javax.inject.Inject
+
+class TeacherWork @Inject constructor(private val teacherRepository: TeacherRepository) : Work {
+
+    override suspend fun doWork(student: Student, semester: Semester) {
+        teacherRepository.getTeachers(student, semester, true).waitForResult()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
index 743ae0e83..2df2c9dcb 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
@@ -2,17 +2,18 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.repositories.TimetableRepository
 import io.github.wulkanowy.utils.monday
-import io.reactivex.Completable
-import org.threeten.bp.LocalDate.now
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.waitForResult
+import java.time.LocalDate.now
 import javax.inject.Inject
 
-class TimetableWork @Inject constructor(private val timetableRepository: TimetableRepository) : Work {
+class TimetableWork @Inject constructor(
+    private val timetableRepository: TimetableRepository
+) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return timetableRepository.getTimetable(semester, now().monday, now().friday, true)
-            .ignoreElement()
+    override suspend fun doWork(student: Student, semester: Semester) {
+        timetableRepository.getTimetable(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
index 1601a103b..c41f41ce2 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
@@ -2,10 +2,8 @@ package io.github.wulkanowy.services.sync.works
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Completable
 
 interface Work {
 
-    fun create(student: Student, semester: Semester): Completable
+    suspend fun doWork(student: Student, semester: Semester)
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt b/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
index 7c7e67101..45cd2b04e 100644
--- a/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
@@ -2,15 +2,17 @@ package io.github.wulkanowy.services.widgets
 
 import android.content.Intent
 import android.widget.RemoteViewsService
-import dagger.android.AndroidInjection
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.TimetableRepository
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetFactory
-import io.github.wulkanowy.utils.SchedulersProvider
+import timber.log.Timber
 import javax.inject.Inject
 
+@AndroidEntryPoint
 class TimetableWidgetService : RemoteViewsService() {
 
     @Inject
@@ -23,13 +25,13 @@ class TimetableWidgetService : RemoteViewsService() {
     lateinit var semesterRepo: SemesterRepository
 
     @Inject
-    lateinit var sharedPref: SharedPrefProvider
+    lateinit var prefRepository: PreferencesRepository
 
     @Inject
-    lateinit var schedulers: SchedulersProvider
+    lateinit var sharedPref: SharedPrefProvider
 
     override fun onGetViewFactory(intent: Intent?): RemoteViewsFactory {
-        AndroidInjection.inject(this)
-        return TimetableWidgetFactory(timetableRepo, studentRepo, semesterRepo, sharedPref, schedulers, applicationContext, intent)
+        Timber.d("TimetableWidgetFactory created")
+        return TimetableWidgetFactory(timetableRepo, studentRepo, semesterRepo, prefRepository, sharedPref, applicationContext, intent)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
index f0e51e314..9b93953d4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt
@@ -1,31 +1,30 @@
 package io.github.wulkanowy.ui.base
 
 import android.app.ActivityManager
-import android.os.Build.VERSION.SDK_INT
-import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.os.Build.VERSION.SDK_INT
+import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.os.Bundle
 import android.view.View
 import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.viewbinding.ViewBinding
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
-import dagger.android.AndroidInjection
-import dagger.android.DispatchingAndroidInjector
-import dagger.android.HasAndroidInjector
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.utils.FragmentLifecycleLogger
 import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import javax.inject.Inject
 
-abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity(), BaseView, HasAndroidInjector {
+abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
+    AppCompatActivity(), BaseView {
 
-    @Inject
-    lateinit var androidInjector: DispatchingAndroidInjector<Any>
+    protected var binding: VB by lifecycleAwareVariable()
 
     @Inject
     lateinit var fragmentLifecycleLogger: FragmentLifecycleLogger
@@ -37,8 +36,8 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity
 
     abstract var presenter: T
 
-    public override fun onCreate(savedInstanceState: Bundle?) {
-        AndroidInjection.inject(this)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        inject()
         themeManager.applyActivityTheme(this)
         super.onCreate(savedInstanceState)
         supportFragmentManager.registerFragmentLifecycleCallbacks(fragmentLifecycleLogger, true)
@@ -46,20 +45,24 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity
 
         if (SDK_INT >= LOLLIPOP) {
             @Suppress("DEPRECATION")
-            setTaskDescription(ActivityManager.TaskDescription(null, null, getThemeAttrColor(R.attr.colorSurface)))
+            setTaskDescription(
+                ActivityManager.TaskDescription(null, null, getThemeAttrColor(R.attr.colorSurface))
+            )
         }
     }
 
     override fun showError(text: String, error: Throwable) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG)
-                .setAction(R.string.all_details) {
-                    ErrorDialog.newInstance(error).show(supportFragmentManager, error.toString())
-                }
+                .setAction(R.string.all_details) { showErrorDetailsDialog(error) }
                 .show()
         } else showMessage(text)
     }
 
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(supportFragmentManager, error.toString())
+    }
+
     override fun showMessage(text: String) {
         if (messageContainer != null) Snackbar.make(messageContainer!!, text, LENGTH_LONG).show()
         else Toast.makeText(this, text, Toast.LENGTH_LONG).show()
@@ -85,5 +88,8 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity
         presenter.onDetachView()
     }
 
-    override fun androidInjector() = androidInjector
+    //https://github.com/google/dagger/releases/tag/dagger-2.33
+    protected open fun inject() {
+        throw UnsupportedOperationException()
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseDialogFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseDialogFragment.kt
new file mode 100644
index 000000000..1c31976ee
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseDialogFragment.kt
@@ -0,0 +1,46 @@
+package io.github.wulkanowy.ui.base
+
+import android.widget.Toast
+import androidx.fragment.app.DialogFragment
+import androidx.viewbinding.ViewBinding
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.lifecycleAwareVariable
+import javax.inject.Inject
+
+abstract class BaseDialogFragment<VB : ViewBinding> : DialogFragment(), BaseView {
+
+    @Inject
+    lateinit var analyticsHelper: AnalyticsHelper
+
+    protected var binding: VB by lifecycleAwareVariable()
+
+    override fun showError(text: String, error: Throwable) {
+        showMessage(text)
+    }
+
+    override fun showMessage(text: String) {
+        Toast.makeText(context, text, Toast.LENGTH_LONG).show()
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun onResume() {
+        super.onResume()
+        analyticsHelper.setCurrentScreen(requireActivity(), this::class.simpleName)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        analyticsHelper.popCurrentScreen(this::class.simpleName)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseExpandableAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseExpandableAdapter.kt
new file mode 100644
index 000000000..eee4625c9
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseExpandableAdapter.kt
@@ -0,0 +1,58 @@
+package io.github.wulkanowy.ui.base
+
+import android.util.DisplayMetrics
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearSmoothScroller
+import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.max
+import kotlin.math.min
+
+abstract class BaseExpandableAdapter<T : RecyclerView.ViewHolder> : RecyclerView.Adapter<T>() {
+
+    companion object {
+        private const val MILLISECONDS_PER_INCH = 100f
+        private const val AUTO_SCROLL_DELAY = 150L
+    }
+
+    private var recyclerView: RecyclerView? = null
+
+    override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
+        super.onAttachedToRecyclerView(recyclerView)
+        this.recyclerView = recyclerView
+    }
+
+    override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
+        super.onDetachedFromRecyclerView(recyclerView)
+        this.recyclerView = null
+    }
+
+    // original: https://github.com/davideas/FlexibleAdapter/blob/5.1.0/flexible-adapter/src/main/java/eu/davidea/flexibleadapter/FlexibleAdapter.java#L4984-L5011
+    protected fun scrollToHeaderWithSubItems(position: Int, subItemsCount: Int) {
+        val layoutManager = recyclerView!!.layoutManager as LinearLayoutManager
+        val firstVisibleItem = layoutManager.findFirstCompletelyVisibleItemPosition()
+        val lastVisibleItem = layoutManager.findLastCompletelyVisibleItemPosition()
+        val itemsToShow = position + subItemsCount - lastVisibleItem
+        if (itemsToShow > 0) {
+            val scrollMax: Int = position - firstVisibleItem
+            val scrollMin = max(0, position + subItemsCount - lastVisibleItem)
+            val scrollBy = min(scrollMax, scrollMin)
+            val scrollTo = firstVisibleItem + scrollBy
+            scrollToPosition(scrollTo)
+        } else if (position < firstVisibleItem) {
+            scrollToPosition(position)
+        }
+    }
+
+    private fun scrollToPosition(position: Int) {
+        recyclerView?.run {
+            postDelayed({
+                layoutManager?.startSmoothScroll(object : LinearSmoothScroller(context) {
+                    override fun getVerticalSnapPreference() = SNAP_TO_START
+                    override fun calculateSpeedPerPixel(displayMetrics: DisplayMetrics) = MILLISECONDS_PER_INCH / displayMetrics.densityDpi
+                }.apply {
+                    targetPosition = position
+                })
+            }, AUTO_SCROLL_DELAY)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.kt
index 4b2ad053d..c6a2e1d1c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.kt
@@ -1,40 +1,48 @@
 package io.github.wulkanowy.ui.base
 
 import android.view.View
+import androidx.annotation.LayoutRes
+import androidx.fragment.app.Fragment
+import androidx.viewbinding.ViewBinding
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
-import dagger.android.support.DaggerFragment
 import io.github.wulkanowy.R
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 
-abstract class BaseFragment : DaggerFragment(), BaseView {
+abstract class BaseFragment<VB : ViewBinding>(@LayoutRes layoutId: Int) : Fragment(layoutId),
+    BaseView {
+
+    protected var binding: VB by lifecycleAwareVariable()
 
     protected var messageContainer: View? = null
 
     override fun showError(text: String, error: Throwable) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG)
-                .setAction(R.string.all_details) {
-                    if (isAdded) ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
-                }
+                .setAction(R.string.all_details) { if (isAdded) showErrorDetailsDialog(error) }
                 .show()
         } else {
-            (activity as? BaseActivity<*>)?.showError(text, error)
+            (activity as? BaseActivity<*, *>)?.showError(text, error)
         }
     }
 
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
     override fun showMessage(text: String) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG).show()
         } else {
-            (activity as? BaseActivity<*>)?.showMessage(text)
+            (activity as? BaseActivity<*, *>)?.showMessage(text)
         }
     }
 
     override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
     }
 
     override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragmentPagerAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragmentPagerAdapter.kt
index 5f8bf4178..bd735535d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragmentPagerAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseFragmentPagerAdapter.kt
@@ -4,6 +4,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.fragment.app.FragmentPagerAdapter
 
+//TODO  Use ViewPager2
 class BaseFragmentPagerAdapter(private val fragmentManager: FragmentManager) :
     FragmentPagerAdapter(fragmentManager, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT) {
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
index 9f0b4047c..b222b0abb 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
@@ -1,22 +1,34 @@
 package io.github.wulkanowy.ui.base
 
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Completable
-import io.reactivex.disposables.CompositeDisposable
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
+import kotlin.coroutines.CoroutineContext
 
 open class BasePresenter<T : BaseView>(
     protected val errorHandler: ErrorHandler,
-    protected val studentRepository: StudentRepository,
-    protected val schedulers: SchedulersProvider
-) {
+    protected val studentRepository: StudentRepository
+) : CoroutineScope {
 
-    val disposable = CompositeDisposable()
+    private var job: Job = Job()
+
+    private val jobs = mutableMapOf<String, Job>()
+
+    override val coroutineContext: CoroutineContext
+        get() = Dispatchers.Main + job
 
     var view: T? = null
 
     open fun onAttachView(view: T) {
+        job = Job()
         this.view = view
         errorHandler.apply {
             showErrorMessage = view::showError
@@ -26,30 +38,47 @@ open class BasePresenter<T : BaseView>(
     }
 
     fun onExpiredLoginSelected() {
-        Timber.i("Attempt to switch the student after the session expires")
-        disposable.add(studentRepository.getCurrentStudent(false)
-            .flatMapCompletable { studentRepository.logoutStudent(it) }
-            .andThen(studentRepository.getSavedStudents(false))
-            .flatMapCompletable {
-                if (it.isNotEmpty()) {
-                    Timber.i("Switching current student")
-                    studentRepository.switchStudent(it[0])
-                } else Completable.complete()
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent(false)
+            studentRepository.logoutStudent(student)
+
+            val students = studentRepository.getSavedStudents(false)
+            if (students.isNotEmpty()) {
+                Timber.i("Switching current student")
+                studentRepository.switchStudent(students[0])
             }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                Timber.i("Switch student result: Open login view")
-                view?.openClearLoginView()
-            }, {
-                Timber.i("Switch student result: An exception occurred")
-                errorHandler.dispatch(it)
-            }))
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Attempt to switch the student after the session expires")
+                Status.SUCCESS -> {
+                    Timber.i("Switch student result: Open login view")
+                    view?.openClearLoginView()
+                }
+                Status.ERROR -> {
+                    Timber.i("Switch student result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("expired")
+    }
+
+    fun <T> Flow<T>.launch(individualJobTag: String = "load"): Job {
+        jobs[individualJobTag]?.cancel()
+        val job = catch { errorHandler.dispatch(it) }.launchIn(this@BasePresenter)
+        jobs[individualJobTag] = job
+        Timber.d("Job $individualJobTag launched in ${this@BasePresenter.javaClass.simpleName}: $job")
+        return job
+    }
+
+    fun cancelJobs(vararg names: String) {
+        names.forEach {
+            jobs[it]?.cancel()
+        }
     }
 
     open fun onDetachView() {
         view = null
-        disposable.clear()
+        job.cancel()
         errorHandler.clear()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BaseView.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BaseView.kt
index 7681263b0..0f4df92cd 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BaseView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BaseView.kt
@@ -9,4 +9,6 @@ interface BaseView {
     fun showExpiredDialog()
 
     fun openClearLoginView()
+
+    fun showErrorDetailsDialog(error: Throwable)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt
index b74af6c58..4ce977709 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/ErrorDialog.kt
@@ -6,26 +6,44 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.HorizontalScrollView
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.getSystemService
-import androidx.fragment.app.DialogFragment
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import kotlinx.android.synthetic.main.dialog_error.*
+import io.github.wulkanowy.databinding.DialogErrorBinding
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.scrapper.exception.ServiceUnavailableException
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.getString
+import io.github.wulkanowy.utils.openAppInMarket
+import io.github.wulkanowy.utils.openEmailClient
+import io.github.wulkanowy.utils.openInternetBrowser
+import okhttp3.internal.http2.StreamResetException
+import java.io.InterruptedIOException
 import java.io.PrintWriter
 import java.io.StringWriter
+import java.net.ConnectException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+import javax.inject.Inject
 
-class ErrorDialog : DialogFragment() {
+@AndroidEntryPoint
+class ErrorDialog : BaseDialogFragment<DialogErrorBinding>() {
 
     private lateinit var error: Throwable
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
     companion object {
         private const val ARGUMENT_KEY = "Data"
 
-        fun newInstance(error: Throwable): ErrorDialog {
-            return ErrorDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, error) }
-            }
+        fun newInstance(error: Throwable) = ErrorDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, error) }
         }
     }
 
@@ -37,24 +55,77 @@ class ErrorDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_error, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogErrorBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        StringWriter().let { writer ->
-            error.printStackTrace(PrintWriter(writer))
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-            errorDialogContent.text = writer.toString()
+        val stringWriter = StringWriter().apply {
+            error.printStackTrace(PrintWriter(this))
+        }
+
+        with(binding) {
+            errorDialogContent.text = stringWriter.toString()
+            with(errorDialogHorizontalScroll) {
+                post { fullScroll(HorizontalScrollView.FOCUS_LEFT) }
+            }
             errorDialogCopy.setOnClickListener {
-                ClipData.newPlainText("wulkanowyError", writer.toString()).let { clip ->
-                    activity?.getSystemService<ClipboardManager>()?.primaryClip = clip
-                }
+                val clip = ClipData.newPlainText("wulkanowy", stringWriter.toString())
+                activity?.getSystemService<ClipboardManager>()?.setPrimaryClip(clip)
+
                 Toast.makeText(context, R.string.all_copied, LENGTH_LONG).show()
             }
+            errorDialogCancel.setOnClickListener { dismiss() }
+            errorDialogReport.setOnClickListener {
+                openConfirmDialog { openEmailClient(stringWriter.toString()) }
+            }
+            errorDialogMessage.text = resources.getString(error)
+            errorDialogReport.isEnabled = when (error) {
+                is UnknownHostException,
+                is InterruptedIOException,
+                is ConnectException,
+                is StreamResetException,
+                is SocketTimeoutException,
+                is ServiceUnavailableException,
+                is FeatureDisabledException,
+                is FeatureNotAvailableException -> false
+                else -> true
+            }
         }
-        errorDialogCancel.setOnClickListener { dismiss() }
+    }
+
+    private fun openConfirmDialog(callback: () -> Unit) {
+        AlertDialog.Builder(requireContext())
+            .setTitle(R.string.dialog_error_check_update)
+            .setMessage(R.string.dialog_error_check_update_message)
+            .setNeutralButton(R.string.about_feedback) { _, _ -> callback() }
+            .setPositiveButton(R.string.dialog_error_check_update) { _, _ ->
+                requireContext().openAppInMarket(::showMessage)
+            }
+            .show()
+    }
+
+    private fun openEmailClient(content: String) {
+        requireContext().openEmailClient(
+            chooserTitle = getString(R.string.about_feedback),
+            email = "wulkanowyinc@gmail.com",
+            subject = "Zgłoszenie błędu",
+            body = requireContext().getString(
+                R.string.about_feedback_template,
+                "${appInfo.systemManufacturer} ${appInfo.systemModel}",
+                appInfo.systemVersion.toString(),
+                "${appInfo.versionName}-${appInfo.buildFlavor}"
+            ) + "\n" + content,
+            onActivityNotFound = {
+                requireContext().openInternetBrowser(
+                    "https://github.com/wulkanowy/wulkanowy/issues",
+                    ::showMessage
+                )
+            }
+        )
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt b/app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt
index 16e9a0480..34dd3ec16 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt
@@ -1,20 +1,14 @@
 package io.github.wulkanowy.ui.base
 
 import android.content.res.Resources
-import com.readystatesoftware.chuck.api.ChuckCollector
-import io.github.wulkanowy.R
-import io.github.wulkanowy.api.interceptor.FeatureDisabledException
-import io.github.wulkanowy.api.interceptor.ServiceUnavailableException
-import io.github.wulkanowy.api.login.BadCredentialsException
-import io.github.wulkanowy.api.login.NotLoggedInException
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
+import io.github.wulkanowy.sdk.scrapper.login.BadCredentialsException
+import io.github.wulkanowy.utils.getString
 import io.github.wulkanowy.utils.security.ScramblerException
 import timber.log.Timber
-import java.net.SocketTimeoutException
-import java.net.UnknownHostException
 import javax.inject.Inject
 
-open class ErrorHandler @Inject constructor(protected val resources: Resources, private val chuckCollector: ChuckCollector) {
+open class ErrorHandler @Inject constructor(protected val resources: Resources) {
 
     var showErrorMessage: (String, Throwable) -> Unit = { _, _ -> }
 
@@ -23,23 +17,15 @@ open class ErrorHandler @Inject constructor(protected val resources: Resources,
     var onNoCurrentStudent: () -> Unit = {}
 
     fun dispatch(error: Throwable) {
-        chuckCollector.onError(error.javaClass.simpleName, error)
         Timber.e(error, "An exception occurred while the Wulkanowy was running")
         proceed(error)
     }
 
     protected open fun proceed(error: Throwable) {
-        resources.run {
-            when (error) {
-                is UnknownHostException -> showErrorMessage(getString(R.string.error_no_internet), error)
-                is SocketTimeoutException -> showErrorMessage(getString(R.string.error_timeout), error)
-                is NotLoggedInException -> showErrorMessage(getString(R.string.error_login_failed), error)
-                is ServiceUnavailableException -> showErrorMessage(getString(R.string.error_service_unavailable), error)
-                is FeatureDisabledException -> showErrorMessage(getString(R.string.error_feature_disabled), error)
-                is ScramblerException, is BadCredentialsException -> onSessionExpired()
-                is NoCurrentStudentException -> onNoCurrentStudent()
-                else -> showErrorMessage(getString(R.string.error_unknown), error)
-            }
+        showErrorMessage(resources.getString(error), error)
+        when (error) {
+            is ScramblerException, is BadCredentialsException -> onSessionExpired()
+            is NoCurrentStudentException -> onNoCurrentStudent()
         }
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt b/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt
index 5b347fe81..b560ed2e7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/ThemeManager.kt
@@ -3,10 +3,14 @@ package io.github.wulkanowy.ui.base
 import android.content.pm.PackageManager.GET_ACTIVITIES
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
 import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_NO
 import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_YES
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.message.send.SendMessageActivity
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -16,20 +20,35 @@ class ThemeManager @Inject constructor(private val preferencesRepository: Prefer
     fun applyActivityTheme(activity: AppCompatActivity) {
         if (isThemeApplicable(activity)) {
             applyDefaultTheme()
-            if (preferencesRepository.appTheme == "black") activity.setTheme(R.style.WulkanowyTheme_Black)
+            if (preferencesRepository.appTheme == "black") {
+                when (activity) {
+                    is MainActivity -> activity.setTheme(R.style.WulkanowyTheme_Black)
+                    is LoginActivity -> activity.setTheme(R.style.WulkanowyTheme_Login_Black)
+                    is SendMessageActivity -> activity.setTheme(R.style.WulkanowyTheme_MessageSend_Black)
+                }
+            }
         }
     }
 
     fun applyDefaultTheme() {
         AppCompatDelegate.setDefaultNightMode(
-            if (preferencesRepository.appTheme == "light") MODE_NIGHT_NO
-            else MODE_NIGHT_YES
+            when (val theme = preferencesRepository.appTheme) {
+                "light" -> MODE_NIGHT_NO
+                "dark", "black" -> MODE_NIGHT_YES
+                "system" -> MODE_NIGHT_FOLLOW_SYSTEM
+                else -> throw IllegalArgumentException("Wrong theme: $theme")
+            }
         )
     }
 
     private fun isThemeApplicable(activity: AppCompatActivity): Boolean {
-        return activity.packageManager.getPackageInfo(activity.packageName, GET_ACTIVITIES)
-            .activities.singleOrNull { it.name == activity::class.java.canonicalName }?.theme
-            .let { it == R.style.WulkanowyTheme_Black || it == R.style.WulkanowyTheme_NoActionBar }
+        return activity.packageManager
+            .getPackageInfo(activity.packageName, GET_ACTIVITIES)
+            .activities.singleOrNull { it.name == activity::class.java.canonicalName }
+            ?.theme.let {
+                it == R.style.WulkanowyTheme_Black || it == R.style.WulkanowyTheme_NoActionBar
+                    || it == R.style.WulkanowyTheme_Login || it == R.style.WulkanowyTheme_Login_Black
+                    || it == R.style.WulkanowyTheme_MessageSend || it == R.style.WulkanowyTheme_MessageSend_Black
+            }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/WidgetConfigureAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/base/WidgetConfigureAdapter.kt
new file mode 100644
index 000000000..a43aaffb7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/WidgetConfigureAdapter.kt
@@ -0,0 +1,68 @@
+package io.github.wulkanowy.ui.base
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ItemAccountBinding
+import io.github.wulkanowy.utils.createNameInitialsDrawable
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.nickOrName
+import javax.inject.Inject
+
+class WidgetConfigureAdapter @Inject constructor() :
+    RecyclerView.Adapter<WidgetConfigureAdapter.ItemViewHolder>() {
+
+    var items = emptyList<StudentWithSemesters>()
+
+    var selectedId = -1L
+
+    var onClickListener: (Student) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemAccountBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val (student, semesters) = items[position]
+        val semester = semesters.maxByOrNull { it.semesterId }
+        val context = holder.binding.root.context
+        val checkBackgroundColor = context.getThemeAttrColor(R.attr.colorSurface)
+        val avatar = context.createNameInitialsDrawable(student.nickOrName, student.avatarColor)
+        val isDuplicatedStudent = items.filter {
+            val studentToCompare = it.student
+
+            studentToCompare.studentId == student.studentId
+                && studentToCompare.schoolSymbol == student.schoolSymbol
+                && studentToCompare.symbol == student.symbol
+        }.size > 1
+
+        with(holder.binding) {
+            accountItemName.text = "${student.nickOrName} ${semester?.diaryName.orEmpty()}"
+            accountItemSchool.text = student.schoolName
+            accountItemImage.setImageDrawable(avatar)
+
+            with(accountItemAccountType) {
+                setText(if (student.isParent) R.string.account_type_parent else R.string.account_type_student)
+                isVisible = isDuplicatedStudent
+            }
+
+            with(accountItemCheck) {
+                isVisible = student.id == selectedId
+                borderColor = checkBackgroundColor
+                circleColor = checkBackgroundColor
+            }
+
+            root.setOnClickListener { onClickListener(student) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemAccountBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutAdapter.kt
new file mode 100644
index 000000000..35dec3b4f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutAdapter.kt
@@ -0,0 +1,72 @@
+package io.github.wulkanowy.ui.modules.about
+
+import android.graphics.drawable.Drawable
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.content.res.ResourcesCompat
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.databinding.ItemAboutBinding
+import io.github.wulkanowy.databinding.ScrollableHeaderAboutBinding
+import javax.inject.Inject
+
+class AboutAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        ITEM_HEADER(1),
+        ITEM_ELEMENT(2)
+    }
+
+    var items = emptyList<Triple<String, String, Drawable?>>()
+
+    var onClickListener: (name: String) -> Unit = {}
+
+    override fun getItemCount() = items.size + 1
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.ITEM_HEADER.id
+        else -> ViewType.ITEM_ELEMENT.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.ITEM_HEADER.id -> HeaderViewHolder(ScrollableHeaderAboutBinding.inflate(inflater, parent, false))
+            ViewType.ITEM_ELEMENT.id -> ItemViewHolder(ItemAboutBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, position - 1)
+        }
+    }
+
+    private fun bindHeaderViewHolder(binding: ScrollableHeaderAboutBinding) {
+        with(binding.aboutScrollableHeaderIcon) {
+            setImageDrawable(ResourcesCompat.getDrawableForDensity(
+                context.resources, context.applicationInfo.icon, 640, null)
+            )
+        }
+    }
+
+    private fun bindItemViewHolder(binding: ItemAboutBinding, position: Int) {
+        val (title, summary, image) = items[position]
+
+        with(binding) {
+            aboutItemImage.setImageDrawable(image)
+            aboutItemTitle.text = title
+            aboutItemSummary.text = summary
+
+            root.setOnClickListener { onClickListener(title) }
+        }
+    }
+
+    private class HeaderViewHolder(val binding: ScrollableHeaderAboutBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class ItemViewHolder(val binding: ItemAboutBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
index 46dc5cfe8..1c613800d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutFragment.kt
@@ -1,45 +1,50 @@
 package io.github.wulkanowy.ui.modules.about
 
-import android.content.Intent
-import android.content.Intent.ACTION_SENDTO
-import android.content.Intent.EXTRA_EMAIL
-import android.content.Intent.EXTRA_SUBJECT
-import android.content.Intent.EXTRA_TEXT
 import android.graphics.drawable.Drawable
-import android.net.Uri
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentAboutBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.about.contributor.ContributorFragment
 import io.github.wulkanowy.ui.modules.about.license.LicenseFragment
+import io.github.wulkanowy.ui.modules.about.logviewer.LogViewerFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.getCompatDrawable
+import io.github.wulkanowy.utils.openAppInMarket
+import io.github.wulkanowy.utils.openEmailClient
 import io.github.wulkanowy.utils.openInternetBrowser
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_about.*
+import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.toLocalDateTime
 import javax.inject.Inject
 
-class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
+@AndroidEntryPoint
+class AboutFragment : BaseFragment<FragmentAboutBinding>(R.layout.fragment_about), AboutView,
+    MainView.TitledView {
 
     @Inject
     lateinit var presenter: AboutPresenter
 
     @Inject
-    lateinit var aboutAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var aboutAdapter: AboutAdapter
 
     @Inject
     lateinit var appInfo: AppInfo
 
     override val versionRes: Triple<String, String, Drawable?>?
         get() = context?.run {
-            Triple(getString(R.string.about_version), "${appInfo.versionName} (${appInfo.versionCode})", getCompatDrawable(R.drawable.ic_all_about))
+            val buildTimestamp = appInfo.buildTimestamp.toLocalDateTime().toFormattedString("yyyy-MM-dd")
+            val versionSignature = "${appInfo.versionName}-${appInfo.buildFlavor} (${appInfo.versionCode}), $buildTimestamp"
+            Triple(getString(R.string.about_version), versionSignature, getCompatDrawable(R.drawable.ic_all_about))
+        }
+
+    override val creatorsRes: Triple<String, String, Drawable?>?
+        get() = context?.run {
+            Triple(getString(R.string.about_contributor), getString(R.string.about_contributor_summary), getCompatDrawable(R.drawable.ic_about_creator))
         }
 
     override val feedbackRes: Triple<String, String, Drawable?>?
@@ -47,14 +52,28 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
             Triple(getString(R.string.about_feedback), getString(R.string.about_feedback_summary), getCompatDrawable(R.drawable.ic_about_feedback))
         }
 
+    override val faqRes: Triple<String, String, Drawable?>?
+        get() = context?.run {
+            Triple(getString(R.string.about_faq), getString(R.string.about_faq_summary), getCompatDrawable(R.drawable.ic_about_faq))
+        }
+
     override val discordRes: Triple<String, String, Drawable?>?
         get() = context?.run {
             Triple(getString(R.string.about_discord), getString(R.string.about_discord_summary), getCompatDrawable(R.drawable.ic_about_discord))
         }
 
+    override val facebookRes: Triple<String, String, Drawable?>?
+        get() = context?.run {
+            Triple(getString(R.string.about_facebook), getString(R.string.about_facebook_summary), getCompatDrawable(R.drawable.ic_about_facebook))
+        }
+
     override val homepageRes: Triple<String, String, Drawable?>?
         get() = context?.run {
-            Triple(getString(R.string.about_homepage), getString(R.string.about_homepage_summary), getCompatDrawable(R.drawable.ic_about_homepage))
+            Triple(
+                getString(R.string.about_homepage),
+                getString(R.string.about_homepage_summary),
+                getCompatDrawable(R.drawable.ic_all_home)
+            )
         }
 
     override val licensesRes: Triple<String, String, Drawable?>?
@@ -73,67 +92,80 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
         fun newInstance() = AboutFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_about, container, false)
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAboutBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        aboutAdapter.setOnItemClickListener(presenter::onItemSelected)
+        aboutAdapter.onClickListener = presenter::onItemSelected
 
-        with(aboutRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.aboutRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = aboutAdapter
         }
     }
 
-    override fun updateData(header: AboutScrollableHeader, items: List<AboutItem>) {
+    override fun updateData(data: List<Triple<String, String, Drawable?>>) {
         with(aboutAdapter) {
-            removeAllScrollableHeaders()
-            addScrollableHeader(header)
-            updateDataSet(items)
+            items = data
+            notifyDataSetChanged()
         }
     }
 
+    override fun openAppInMarket() {
+        context?.openAppInMarket(::showMessage)
+    }
+
+    override fun openLogViewer() {
+        (activity as? MainActivity)?.pushView(LogViewerFragment.newInstance())
+    }
+
     override fun openDiscordInvite() {
         context?.openInternetBrowser("https://discord.gg/vccAQBr", ::showMessage)
     }
 
+    override fun openFacebookPage() {
+        context?.openInternetBrowser("https://www.facebook.com/wulkanowy", ::showMessage)
+    }
+
     override fun openHomepage() {
         context?.openInternetBrowser("https://wulkanowy.github.io/", ::showMessage)
     }
 
     override fun openEmailClient() {
-        val intent = Intent(ACTION_SENDTO)
-            .apply {
-                data = Uri.parse("mailto:")
-                putExtra(EXTRA_EMAIL, arrayOf("wulkanowyinc@gmail.com"))
-                putExtra(EXTRA_SUBJECT, "Zgłoszenie błędu")
-                putExtra(EXTRA_TEXT, "Tu umieść treść zgłoszenia\n\n${"-".repeat(40)}\n " +
-                    """
-                        Build: ${appInfo.versionCode}
-                        SDK: ${appInfo.systemVersion}
-                        Device: ${appInfo.systemManufacturer} ${appInfo.systemModel}
-                    """.trimIndent())
+        requireContext().openEmailClient(
+            chooserTitle = getString(R.string.about_feedback),
+            email = "wulkanowyinc@gmail.com",
+            subject = "Zgłoszenie błędu",
+            body = getString(
+                R.string.about_feedback_template,
+                "${appInfo.systemManufacturer} ${appInfo.systemModel}",
+                appInfo.systemVersion.toString(),
+                "${appInfo.versionName}-${appInfo.buildFlavor}"
+            ),
+            onActivityNotFound = {
+                requireContext().openInternetBrowser(
+                    "https://github.com/wulkanowy/wulkanowy/issues",
+                    ::showMessage
+                )
             }
+        )
+    }
 
-        context?.let {
-            if (intent.resolveActivity(it.packageManager) != null) {
-                startActivity(Intent.createChooser(intent, getString(R.string.about_feedback)))
-            } else {
-                it.openInternetBrowser("https://github.com/wulkanowy/wulkanowy/issues", ::showMessage)
-            }
-        }
+    override fun openFaqPage() {
+        context?.openInternetBrowser("https://wulkanowy.github.io/czesto-zadawane-pytania", ::showMessage)
     }
 
     override fun openLicenses() {
         (activity as? MainActivity)?.pushView(LicenseFragment.newInstance())
     }
 
+    override fun openCreators() {
+        (activity as? MainActivity)?.pushView(ContributorFragment.newInstance())
+    }
+
     override fun openPrivacyPolicy() {
         context?.openInternetBrowser("https://wulkanowy.github.io/polityka-prywatnosci.html", ::showMessage)
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutItem.kt
deleted file mode 100644
index 29f1cd8c8..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutItem.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package io.github.wulkanowy.ui.modules.about
-
-import android.graphics.drawable.Drawable
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_about.*
-
-class AboutItem(
-    val title: String,
-    private val summary: String,
-    private val image: Drawable?
-) : AbstractFlexibleItem<AboutItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_about
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            aboutItemImage.setImageDrawable(image)
-            aboutItemTitle.text = title
-            aboutItemSummary.text = summary
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AboutItem
-
-        if (title != other.title) return false
-        if (summary != other.summary) return false
-        if (image != other.image) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = title.hashCode()
-        result = 31 * result + summary.hashCode()
-        result = 31 * result + (image?.hashCode() ?: 0)
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
index 5303d3619..fde20267d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
@@ -1,20 +1,19 @@
 package io.github.wulkanowy.ui.modules.about
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
 import timber.log.Timber
 import javax.inject.Inject
 
 class AboutPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AboutView>(errorHandler, studentRepository, schedulers) {
+    private val appInfo: AppInfo,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<AboutView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AboutView) {
         super.onAttachView(view)
@@ -23,20 +22,35 @@ class AboutPresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item !is AboutItem) return
+    fun onItemSelected(name: String) {
         view?.run {
-            when (item.title) {
+            when (name) {
+                versionRes?.first -> {
+                    Timber.i("Opening log viewer")
+                    if (appInfo.isDebug) openLogViewer()
+                    else openAppInMarket()
+                    analytics.logEvent("about_open", "name" to "log_viewer")
+                }
                 feedbackRes?.first -> {
-                    Timber.i("Opening email client ")
+                    Timber.i("Opening email client")
                     openEmailClient()
                     analytics.logEvent("about_open", "name" to "feedback")
                 }
+                faqRes?.first -> {
+                    Timber.i("Opening faq page")
+                    openFaqPage()
+                    analytics.logEvent("about_open", "name" to "faq")
+                }
                 discordRes?.first -> {
                     Timber.i("Opening discord")
                     openDiscordInvite()
                     analytics.logEvent("about_open", "name" to "discord")
                 }
+                facebookRes?.first -> {
+                    Timber.i("Opening facebook")
+                    openFacebookPage()
+                    analytics.logEvent("about_open", "name" to "facebook")
+                }
                 homepageRes?.first -> {
                     Timber.i("Opening homepage")
                     openHomepage()
@@ -47,6 +61,11 @@ class AboutPresenter @Inject constructor(
                     openLicenses()
                     analytics.logEvent("about_open", "name" to "licenses")
                 }
+                creatorsRes?.first -> {
+                    Timber.i("Opening creators view")
+                    openCreators()
+                    analytics.logEvent("about_open", "name" to "creators")
+                }
                 privacyRes?.first -> {
                     Timber.i("Opening privacy page ")
                     openPrivacyPolicy()
@@ -58,13 +77,17 @@ class AboutPresenter @Inject constructor(
 
     private fun loadData() {
         view?.run {
-            updateData(AboutScrollableHeader(), listOfNotNull(
-                versionRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                feedbackRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                discordRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                homepageRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                licensesRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                privacyRes?.let { (title, summary, image) -> AboutItem(title, summary, image) }))
+            updateData(listOfNotNull(
+                versionRes,
+                creatorsRes,
+                feedbackRes,
+                faqRes,
+                discordRes,
+                facebookRes,
+                homepageRes,
+                licensesRes,
+                privacyRes
+            ))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutScrollableHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutScrollableHeader.kt
deleted file mode 100644
index 07bb41249..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutScrollableHeader.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-package io.github.wulkanowy.ui.modules.about
-
-import android.view.View
-import androidx.core.content.res.ResourcesCompat
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.scrollable_header_about.*
-
-class AboutScrollableHeader : AbstractFlexibleItem<AboutScrollableHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.scrollable_header_about
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            val context = contentView.context
-            val drawable = ResourcesCompat.getDrawableForDensity(context.resources, context.applicationInfo.icon, 640, null)
-
-            aboutScrollableHeaderIcon.setImageDrawable(drawable)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-        return true
-    }
-
-    override fun hashCode() = javaClass.hashCode()
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutView.kt
index 318a75e4a..54882b302 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutView.kt
@@ -7,10 +7,16 @@ interface AboutView : BaseView {
 
     val versionRes: Triple<String, String, Drawable?>?
 
+    val creatorsRes: Triple<String, String, Drawable?>?
+
     val feedbackRes: Triple<String, String, Drawable?>?
 
+    val faqRes: Triple<String, String, Drawable?>?
+
     val discordRes: Triple<String, String, Drawable?>?
 
+    val facebookRes: Triple<String, String, Drawable?>?
+
     val homepageRes: Triple<String, String, Drawable?>?
 
     val licensesRes: Triple<String, String, Drawable?>?
@@ -19,15 +25,25 @@ interface AboutView : BaseView {
 
     fun initView()
 
-    fun updateData(header: AboutScrollableHeader, items: List<AboutItem>)
+    fun updateData(data: List<Triple<String, String, Drawable?>>)
+
+    fun openAppInMarket()
+
+    fun openLogViewer()
 
     fun openDiscordInvite()
 
+    fun openFacebookPage()
+
     fun openEmailClient()
 
+    fun openFaqPage()
+
     fun openHomepage()
 
     fun openLicenses()
 
+    fun openCreators()
+
     fun openPrivacyPolicy()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorAdapter.kt
new file mode 100644
index 000000000..b6755c6a7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorAdapter.kt
@@ -0,0 +1,41 @@
+package io.github.wulkanowy.ui.modules.about.contributor
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import coil.load
+import coil.transform.RoundedCornersTransformation
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.databinding.ItemContributorBinding
+import javax.inject.Inject
+
+class ContributorAdapter @Inject constructor() :
+    RecyclerView.Adapter<ContributorAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Contributor>()
+
+    var onClickListener: (Contributor) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemContributorBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            creatorItemName.text = item.displayName
+            creatorItemAvatar.load("https://github.com/${item.githubUsername}.png") {
+                transformations(RoundedCornersTransformation(8f))
+                crossfade(true)
+            }
+
+            root.setOnClickListener { onClickListener(item) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemContributorBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorFragment.kt
new file mode 100644
index 000000000..5d7e076c7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorFragment.kt
@@ -0,0 +1,73 @@
+package io.github.wulkanowy.ui.modules.about.contributor
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.databinding.FragmentContributorBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.openInternetBrowser
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ContributorFragment : BaseFragment<FragmentContributorBinding>(R.layout.fragment_contributor),
+    ContributorView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: ContributorPresenter
+
+    @Inject
+    lateinit var creatorsAdapter: ContributorAdapter
+
+    override val titleStringId get() = R.string.contributors_title
+
+    companion object {
+        fun newInstance() = ContributorFragment()
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentContributorBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.creatorRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = creatorsAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+        creatorsAdapter.onClickListener = presenter::onItemSelected
+        binding.creatorSeeMore.setOnClickListener { presenter.onSeeMoreClick() }
+    }
+
+    override fun updateData(data: List<Contributor>) {
+        with(creatorsAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun openUserGithubPage(username: String) {
+        context?.openInternetBrowser("https://github.com/${username}", ::showMessage)
+    }
+
+    override fun openGithubContributorsPage() {
+        context?.openInternetBrowser("https://github.com/wulkanowy/wulkanowy/graphs/contributors", ::showMessage)
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.creatorProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt
new file mode 100644
index 000000000..ef4b540e6
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.ui.modules.about.contributor
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.data.repositories.AppCreatorRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import javax.inject.Inject
+
+class ContributorPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val appCreatorRepository: AppCreatorRepository
+) : BasePresenter<ContributorView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: ContributorView) {
+        super.onAttachView(view)
+        view.initView()
+        loadData()
+    }
+
+    fun onItemSelected(contributor: Contributor) {
+        view?.openUserGithubPage(contributor.githubUsername)
+    }
+
+    fun onSeeMoreClick() {
+        view?.openGithubContributorsPage()
+    }
+
+    private fun loadData() {
+        flowWithResource { appCreatorRepository.getAppCreators() }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.showProgress(true)
+                Status.SUCCESS -> view?.run {
+                    showProgress(false)
+                    updateData(it.data!!)
+                }
+                Status.ERROR -> errorHandler.dispatch(it.error!!)
+            }
+        }.launch()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorView.kt
new file mode 100644
index 000000000..8007e4e3f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorView.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.ui.modules.about.contributor
+
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.ui.base.BaseView
+
+interface ContributorView : BaseView {
+
+    fun initView()
+
+    fun updateData(data: List<Contributor>)
+
+    fun openUserGithubPage(username: String)
+
+    fun openGithubContributorsPage()
+
+    fun showProgress(show: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseAdapter.kt
new file mode 100644
index 000000000..6ae06bbe7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseAdapter.kt
@@ -0,0 +1,34 @@
+package io.github.wulkanowy.ui.modules.about.license
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.mikepenz.aboutlibraries.entity.Library
+import io.github.wulkanowy.databinding.ItemLicenseBinding
+import javax.inject.Inject
+
+class LicenseAdapter @Inject constructor() : RecyclerView.Adapter<LicenseAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Library>()
+
+    var onClickListener: (Library) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemLicenseBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            licenseItemName.text = item.libraryName
+            licenseItemSummary.text = item.licenses?.firstOrNull()?.licenseName?.takeIf { it.isNotBlank() } ?: item.libraryVersion
+
+            root.setOnClickListener { onClickListener(item) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemLicenseBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseFragment.kt
index 2681680b1..4c3b608aa 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseFragment.kt
@@ -1,72 +1,64 @@
 package io.github.wulkanowy.ui.modules.about.license
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import androidx.appcompat.app.AlertDialog
 import androidx.core.text.parseAsHtml
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.mikepenz.aboutlibraries.Libs
 import com.mikepenz.aboutlibraries.entity.Library
-import dagger.Lazy
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentLicenseBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_license.*
 import javax.inject.Inject
 
-class LicenseFragment : BaseFragment(), LicenseView, MainView.TitledView {
+@AndroidEntryPoint
+class LicenseFragment : BaseFragment<FragmentLicenseBinding>(R.layout.fragment_license),
+    LicenseView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: LicensePresenter
 
     @Inject
-    lateinit var licenseAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
-
-    @Inject
-    lateinit var libs: Lazy<Libs>
+    lateinit var licenseAdapter: LicenseAdapter
 
     override val titleStringId get() = R.string.license_title
 
-    override val appLibraries: ArrayList<Library>?
-        get() = context?.let {
-            libs.get().prepareLibraries(it, emptyArray(), emptyArray(), autoDetect = true, checkCachedDetection = true, sort = true)
-        }
+    override val appLibraries by lazy { Libs(requireContext()).libraries }
 
     companion object {
         fun newInstance() = LicenseFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_license, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLicenseBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        with(licenseRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        licenseAdapter.onClickListener = presenter::onItemSelected
+
+        with(binding.licenseRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = licenseAdapter
         }
-        licenseAdapter.setOnItemClickListener(presenter::onItemSelected)
     }
 
-    override fun updateData(data: List<LicenseItem>) {
-        licenseAdapter.updateDataSet(data)
+    override fun updateData(data: List<Library>) {
+        with(licenseAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun openLicense(licenseHtml: String) {
         context?.let {
-            AlertDialog.Builder(it).apply {
+            MaterialAlertDialogBuilder(it).apply {
                 setTitle(R.string.license_dialog_title)
                 setMessage(licenseHtml.parseAsHtml())
                 setPositiveButton(android.R.string.ok) { _, _ -> }
@@ -76,7 +68,7 @@ class LicenseFragment : BaseFragment(), LicenseView, MainView.TitledView {
     }
 
     override fun showProgress(show: Boolean) {
-        licenseProgress.visibility = if (show) VISIBLE else GONE
+        binding.licenseProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun onDestroyView() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseItem.kt
deleted file mode 100644
index 98c86e75a..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseItem.kt
+++ /dev/null
@@ -1,44 +0,0 @@
-package io.github.wulkanowy.ui.modules.about.license
-
-import android.view.View
-import com.mikepenz.aboutlibraries.entity.Library
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_license.*
-
-class LicenseItem(val library: Library) : AbstractFlexibleItem<LicenseItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_license
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            licenseItemName.text = library.libraryName
-            licenseItemSummary.text = library.license?.licenseName
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as LicenseItem
-
-        if (library != other.library) return false
-
-        return true
-    }
-
-    override fun hashCode() = library.hashCode()
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseModule.kt
deleted file mode 100644
index 0ffc3d90e..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseModule.kt
+++ /dev/null
@@ -1,15 +0,0 @@
-package io.github.wulkanowy.ui.modules.about.license
-
-import android.content.Context
-import com.mikepenz.aboutlibraries.Libs
-import dagger.Module
-import dagger.Provides
-import io.github.wulkanowy.di.scopes.PerFragment
-
-@Module
-class LicenseModule {
-
-    @PerFragment
-    @Provides
-    fun provideLibs(context: Context) = Libs(context)
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
index b5b8fcd13..cc430fc2c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
@@ -1,18 +1,23 @@
 package io.github.wulkanowy.ui.modules.about.license
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import com.mikepenz.aboutlibraries.entity.Library
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Single
+import io.github.wulkanowy.utils.DispatchersProvider
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.withContext
+import timber.log.Timber
 import javax.inject.Inject
 
 class LicensePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
+    private val dispatchers: DispatchersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<LicenseView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LicenseView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: LicenseView) {
         super.onAttachView(view)
@@ -20,21 +25,23 @@ class LicensePresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item !is LicenseItem) return
-        view?.run { item.library.license?.licenseDescription?.let { openLicense(it) } }
+    fun onItemSelected(library: Library) {
+        view?.run { library.licenses?.firstOrNull()?.licenseDescription?.let { openLicense(it) } }
     }
 
     private fun loadData() {
-        disposable.add(Single.fromCallable { view?.appLibraries }
-            .map {
-                val exclude = listOf("Android-Iconics", "CircleImageView", "FastAdapter", "Jsoup", "okio", "Retrofit")
-                it.filter { library -> !exclude.contains(library.libraryName) }
+        flowWithResource {
+            withContext(dispatchers.backgroundThread) {
+                view?.appLibraries.orEmpty()
             }
-            .map { it.map { library -> LicenseItem(library) } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doOnEvent { _, _ -> view?.showProgress(false) }
-            .subscribe({ view?.run { updateData(it) } }, { errorHandler.dispatch(it) }))
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("License data load started")
+                Status.SUCCESS -> view?.updateData(it.data!!)
+                Status.ERROR -> errorHandler.dispatch(it.error!!)
+            }
+        }.afterLoading {
+            view?.showProgress(false)
+        }.launch()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseView.kt
index 3939d3e80..6c97d8759 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicenseView.kt
@@ -5,11 +5,11 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface LicenseView : BaseView {
 
-    val appLibraries: ArrayList<Library>?
+    val appLibraries: List<Library>
 
     fun initView()
 
-    fun updateData(data: List<LicenseItem>)
+    fun updateData(data: List<Library>)
 
     fun openLicense(licenseHtml: String)
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerAdapter.kt
new file mode 100644
index 000000000..45c304aae
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerAdapter.kt
@@ -0,0 +1,22 @@
+package io.github.wulkanowy.ui.modules.about.logviewer
+
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+
+class LogViewerAdapter : RecyclerView.Adapter<LogViewerAdapter.ViewHolder>() {
+
+    var lines = emptyList<String>()
+
+    class ViewHolder(val textView: TextView) : RecyclerView.ViewHolder(textView)
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        return ViewHolder(TextView(parent.context))
+    }
+
+    override fun getItemCount() = lines.size
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        holder.textView.text = lines[position]
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerFragment.kt
new file mode 100644
index 000000000..cf40975e7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerFragment.kt
@@ -0,0 +1,96 @@
+package io.github.wulkanowy.ui.modules.about.logviewer
+
+import android.content.Intent
+import android.content.Intent.EXTRA_EMAIL
+import android.content.Intent.EXTRA_STREAM
+import android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION
+import android.net.Uri
+import android.os.Build.VERSION.SDK_INT
+import android.os.Build.VERSION_CODES.LOLLIPOP
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import androidx.core.content.FileProvider
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.BuildConfig.APPLICATION_ID
+import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentLogviewerBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import java.io.File
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class LogViewerFragment : BaseFragment<FragmentLogviewerBinding>(R.layout.fragment_logviewer),
+    LogViewerView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: LogViewerPresenter
+
+    private val logAdapter = LogViewerAdapter()
+
+    override val titleStringId: Int
+        get() = R.string.logviewer_title
+
+    companion object {
+        fun newInstance() = LogViewerFragment()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLogviewerBinding.bind(view)
+        messageContainer = binding.logViewerRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.action_menu_logviewer, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.logViewerMenuShare) presenter.onShareLogsSelected()
+        else false
+    }
+
+    override fun initView() {
+        with(binding.logViewerRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = logAdapter
+        }
+
+        binding.logViewRefreshButton.setOnClickListener { presenter.onRefreshClick() }
+    }
+
+    override fun setLines(lines: List<String>) {
+        logAdapter.lines = lines
+        logAdapter.notifyDataSetChanged()
+        binding.logViewerRecycler.scrollToPosition(lines.size - 1)
+    }
+
+    override fun shareLogs(files: List<File>) {
+        val intent = Intent(Intent.ACTION_SEND_MULTIPLE).apply {
+            type = "text/plain"
+            putExtra(EXTRA_EMAIL, arrayOf("wulkanowyinc@gmail.com"))
+            addFlags(FLAG_GRANT_READ_URI_PERMISSION)
+            putParcelableArrayListExtra(EXTRA_STREAM, ArrayList(files.map {
+                if (SDK_INT < LOLLIPOP) Uri.fromFile(it)
+                else FileProvider.getUriForFile(requireContext(), "$APPLICATION_ID.fileprovider", it)
+            }))
+        }
+
+        startActivity(Intent.createChooser(intent, getString(R.string.logviewer_share)))
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt
new file mode 100644
index 000000000..80020c81d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt
@@ -0,0 +1,61 @@
+package io.github.wulkanowy.ui.modules.about.logviewer
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.LoggerRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class LogViewerPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val loggerRepository: LoggerRepository
+) : BasePresenter<LogViewerView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: LogViewerView) {
+        super.onAttachView(view)
+        view.initView()
+        loadLogFile()
+    }
+
+    fun onShareLogsSelected(): Boolean {
+        flowWithResource { loggerRepository.getLogFiles() }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Loading logs files started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading logs files result: ${it.data!!.joinToString { file -> file.name }}")
+                    view?.shareLogs(it.data)
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading logs files result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("share")
+        return true
+    }
+
+    fun onRefreshClick() {
+        loadLogFile()
+    }
+
+    private fun loadLogFile() {
+        flowWithResource { loggerRepository.getLastLogLines() }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Loading last log file started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading last log file result: load ${it.data!!.size} lines")
+                    view?.setLines(it.data)
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading last log file result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("file")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerView.kt
new file mode 100644
index 000000000..bd98c24fd
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerView.kt
@@ -0,0 +1,13 @@
+package io.github.wulkanowy.ui.modules.about.logviewer
+
+import io.github.wulkanowy.ui.base.BaseView
+import java.io.File
+
+interface LogViewerView : BaseView {
+
+    fun initView()
+
+    fun setLines(lines: List<String>)
+
+    fun shareLogs(files: List<File>)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/Account.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/Account.kt
new file mode 100644
index 000000000..dbcb499e8
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/Account.kt
@@ -0,0 +1,3 @@
+package io.github.wulkanowy.ui.modules.account
+
+data class Account(val email: String, val isParent: Boolean)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountAdapter.kt
new file mode 100644
index 000000000..523fbbd79
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountAdapter.kt
@@ -0,0 +1,115 @@
+package io.github.wulkanowy.ui.modules.account
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.HeaderAccountBinding
+import io.github.wulkanowy.databinding.ItemAccountBinding
+import io.github.wulkanowy.utils.createNameInitialsDrawable
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.nickOrName
+import javax.inject.Inject
+
+class AccountAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    var isAccountQuickDialogMode = false
+
+    var items = emptyList<AccountItem<*>>()
+
+    var onClickListener: (StudentWithSemesters) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int) = items[position].viewType.id
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            AccountItem.ViewType.HEADER.id -> HeaderViewHolder(
+                HeaderAccountBinding.inflate(inflater, parent, false)
+            )
+            AccountItem.ViewType.ITEM.id -> ItemViewHolder(
+                ItemAccountBinding.inflate(inflater, parent, false)
+            )
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(
+                holder.binding,
+                items[position].value as Account,
+                position
+            )
+            is ItemViewHolder -> bindItemViewHolder(
+                holder.binding,
+                items[position].value as StudentWithSemesters
+            )
+        }
+    }
+
+    private fun bindHeaderViewHolder(
+        binding: HeaderAccountBinding,
+        account: Account,
+        position: Int
+    ) {
+        with(binding) {
+            accountHeaderDivider.visibility = if (position == 0) GONE else VISIBLE
+            accountHeaderEmail.text = account.email
+            accountHeaderType.setText(if (account.isParent) R.string.account_type_parent else R.string.account_type_student)
+        }
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun bindItemViewHolder(
+        binding: ItemAccountBinding,
+        studentWithSemesters: StudentWithSemesters
+    ) {
+        val context = binding.root.context
+        val (student, semesters) = studentWithSemesters
+        val semester = semesters.maxByOrNull { it.semesterId }
+        val avatar = context.createNameInitialsDrawable(student.nickOrName, student.avatarColor)
+        val checkBackgroundColor =
+            context.getThemeAttrColor(if (isAccountQuickDialogMode) R.attr.colorBackgroundFloating else R.attr.colorSurface)
+        val isDuplicatedStudent = items.filter {
+            if (it.value !is StudentWithSemesters) return@filter false
+            val studentToCompare = it.value.student
+
+            studentToCompare.studentId == student.studentId
+                && studentToCompare.schoolSymbol == student.schoolSymbol
+                && studentToCompare.symbol == student.symbol
+        }.size > 1 && isAccountQuickDialogMode
+
+        with(binding) {
+            accountItemName.text = "${student.nickOrName} ${semester?.diaryName.orEmpty()}"
+            accountItemSchool.text = studentWithSemesters.student.schoolName
+            accountItemImage.setImageDrawable(avatar)
+
+            with(accountItemAccountType) {
+                setText(if (student.isParent) R.string.account_type_parent else R.string.account_type_student)
+                isVisible = isDuplicatedStudent
+            }
+
+            with(accountItemCheck) {
+                isVisible = student.isCurrent
+                borderColor = checkBackgroundColor
+                circleColor = checkBackgroundColor
+            }
+
+            root.setOnClickListener { onClickListener(studentWithSemesters) }
+        }
+    }
+
+    class HeaderViewHolder(val binding: HeaderAccountBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class ItemViewHolder(val binding: ItemAccountBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountDialog.kt
deleted file mode 100644
index f23a1eb52..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountDialog.kt
+++ /dev/null
@@ -1,108 +0,0 @@
-package io.github.wulkanowy.ui.modules.account
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.Toast
-import android.widget.Toast.LENGTH_LONG
-import androidx.appcompat.app.AlertDialog
-import dagger.android.support.DaggerAppCompatDialogFragment
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.R
-import io.github.wulkanowy.ui.base.BaseActivity
-import io.github.wulkanowy.ui.modules.login.LoginActivity
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.dialog_account.*
-import javax.inject.Inject
-
-class AccountDialog : DaggerAppCompatDialogFragment(), AccountView {
-
-    @Inject
-    lateinit var presenter: AccountPresenter
-
-    @Inject
-    lateinit var accountAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
-
-    companion object {
-        fun newInstance() = AccountDialog()
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setStyle(STYLE_NO_TITLE, 0)
-    }
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_account, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        presenter.onAttachView(this)
-    }
-
-    override fun initView() {
-        accountAdapter.setOnItemClickListener { presenter.onItemSelected(it) }
-
-        accountDialogAdd.setOnClickListener { presenter.onAddSelected() }
-        accountDialogRemove.setOnClickListener { presenter.onRemoveSelected() }
-        accountDialogRecycler.apply {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
-            adapter = accountAdapter
-        }
-    }
-
-    override fun updateData(data: List<AccountItem>) {
-        accountAdapter.updateDataSet(data)
-    }
-
-    override fun showError(text: String, error: Throwable) {
-        showMessage(text)
-    }
-
-    override fun showMessage(text: String) {
-        Toast.makeText(context, text, LENGTH_LONG).show()
-    }
-
-    override fun dismissView() {
-        dismiss()
-    }
-
-    override fun openLoginView() {
-        activity?.let {
-            startActivity(LoginActivity.getStartIntent(it))
-        }
-    }
-
-    override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
-    }
-
-    override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
-    }
-
-    override fun showConfirmDialog() {
-        context?.let {
-            AlertDialog.Builder(it)
-                .setTitle(R.string.account_logout_student)
-                .setMessage(R.string.account_confirm)
-                .setPositiveButton(R.string.account_logout) { _, _ -> presenter.onLogoutConfirm() }
-                .setNegativeButton(android.R.string.cancel) { _, _ -> }
-                .show()
-        }
-    }
-
-    override fun recreateMainView() {
-        activity?.recreate()
-    }
-
-    override fun onDestroy() {
-        presenter.onDetachView()
-        super.onDestroy()
-    }
-}
-
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountFragment.kt
new file mode 100644
index 000000000..7a8f8585f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountFragment.kt
@@ -0,0 +1,83 @@
+package io.github.wulkanowy.ui.modules.account
+
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.View
+import androidx.core.view.get
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentAccountBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.account.accountdetails.AccountDetailsFragment
+import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AccountFragment : BaseFragment<FragmentAccountBinding>(R.layout.fragment_account),
+    AccountView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AccountPresenter
+
+    @Inject
+    lateinit var accountAdapter: AccountAdapter
+
+    companion object {
+
+        fun newInstance() = AccountFragment()
+    }
+
+    override val titleStringId = R.string.account_title
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        binding = FragmentAccountBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        binding.accountRecycler.apply {
+            layoutManager = LinearLayoutManager(context)
+            adapter = accountAdapter
+        }
+
+        accountAdapter.onClickListener = presenter::onItemSelected
+
+        binding.accountAdd.setOnClickListener { presenter.onAddSelected() }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        menu[0].isVisible = false
+    }
+
+    override fun updateData(data: List<AccountItem<*>>) {
+        with(accountAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun openLoginView() {
+        activity?.let {
+            startActivity(LoginActivity.getStartIntent(it))
+        }
+    }
+
+    override fun openAccountDetailsView(studentWithSemesters: StudentWithSemesters) {
+        (activity as? MainActivity)?.pushView(
+            AccountDetailsFragment.newInstance(studentWithSemesters)
+        )
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountItem.kt
index d3a3ee6a3..05a4a69ce 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountItem.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountItem.kt
@@ -1,59 +1,9 @@
 package io.github.wulkanowy.ui.modules.account
 
-import android.annotation.SuppressLint
-import android.graphics.PorterDuff
-import android.view.View
-import androidx.core.graphics.ColorUtils
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.getThemeAttrColor
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_account.*
+data class AccountItem<out T>(val value: T, val viewType: ViewType) {
 
-class AccountItem(val student: Student) : AbstractFlexibleItem<AccountItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_account
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        val context = holder.contentView.context
-
-        val colorImage = if (student.isCurrent) context.getThemeAttrColor(R.attr.colorPrimary)
-        else ColorUtils.setAlphaComponent(context.getThemeAttrColor(R.attr.colorOnSurface), 153)
-
-        with(holder) {
-            accountItemName.text = "${student.studentName} ${student.className}"
-            accountItemSchool.text = student.schoolName
-            accountItemImage.setColorFilter(colorImage, PorterDuff.Mode.SRC_IN)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AccountItem
-
-        if (student != other.student) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = student.hashCode()
-        result = 31 * result + student.id.toInt()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
+    enum class ViewType(val id: Int) {
+        HEADER(1),
+        ITEM(2)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
index e9b4b81ee..8d1651395 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
@@ -1,26 +1,24 @@
 package io.github.wulkanowy.ui.modules.account
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.services.sync.SyncManager
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Single
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class AccountPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
-    private val syncManager: SyncManager
-) : BasePresenter<AccountView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<AccountView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AccountView) {
         super.onAttachView(view)
         view.initView()
-        Timber.i("Account dialog view was initialized")
+        Timber.i("Account view was initialized")
         loadData()
     }
 
@@ -29,75 +27,39 @@ class AccountPresenter @Inject constructor(
         view?.openLoginView()
     }
 
-    fun onRemoveSelected() {
-        Timber.i("Select remove account")
-        view?.showConfirmDialog()
-    }
-
-    fun onLogoutConfirm() {
-        Timber.i("Attempt to logout current user ")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMapCompletable { studentRepository.logoutStudent(it) }
-            .andThen(studentRepository.getSavedStudents(false))
-            .flatMap {
-                if (it.isNotEmpty()) studentRepository.switchStudent(it[0]).toSingle { it }
-                else Single.just(it)
-            }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally { view?.dismissView() }
-            .subscribe({
-                view?.apply {
-                    if (it.isEmpty()) {
-                        Timber.i("Logout result: Open login view")
-                        syncManager.stopSyncWorker()
-                        openClearLoginView()
-                    } else {
-                        Timber.i("Logout result: Switch to another student")
-                        recreateMainView()
-                    }
-                }
-            }, {
-                Timber.i("Logout result: An exception occurred")
-                errorHandler.dispatch(it)
-            }))
-    }
-
-    fun onItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item is AccountItem) {
-            Timber.i("Select student item ${item.student.id}")
-            if (item.student.isCurrent) {
-                view?.dismissView()
-            } else {
-                Timber.i("Attempt to change a student")
-                disposable.add(studentRepository.switchStudent(item.student)
-                    .subscribeOn(schedulers.backgroundThread)
-                    .observeOn(schedulers.mainThread)
-                    .doFinally { view?.dismissView() }
-                    .subscribe({
-                        Timber.i("Change a student result: Success")
-                        view?.recreateMainView()
-                    }, {
-                        Timber.i("Change a student result: An exception occurred")
-                        errorHandler.dispatch(it)
-                    }))
-            }
-        }
+    fun onItemSelected(studentWithSemesters: StudentWithSemesters) {
+        view?.openAccountDetailsView(studentWithSemesters)
     }
 
     private fun loadData() {
-        Timber.i("Loading account data started")
-        disposable.add(studentRepository.getSavedStudents(false)
-            .map { it.map { item -> AccountItem(item) } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                Timber.i("Loading account result: Success")
-                view?.updateData(it)
-            }, {
-                Timber.i("Loading account result: An exception occurred")
-                errorHandler.dispatch(it)
-            }))
+        flowWithResource { studentRepository.getSavedStudents(false) }
+            .onEach {
+                when (it.status) {
+                    Status.LOADING -> Timber.i("Loading account data started")
+                    Status.SUCCESS -> {
+                        Timber.i("Loading account result: Success")
+                        view?.updateData(createAccountItems(it.data!!))
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Loading account result: An exception occurred")
+                        errorHandler.dispatch(it.error!!)
+                    }
+                }
+            }
+            .launch("load")
+    }
+
+    private fun createAccountItems(items: List<StudentWithSemesters>): List<AccountItem<*>> {
+        return items.groupBy {
+            Account("${it.student.userName} (${it.student.email})", it.student.isParent)
+        }
+            .map { (account, students) ->
+                listOf(
+                    AccountItem(account, AccountItem.ViewType.HEADER)
+                ) + students.map { student ->
+                    AccountItem(student, AccountItem.ViewType.ITEM)
+                }
+            }
+            .flatten()
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountView.kt
index ede5023ba..d7deefafd 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountView.kt
@@ -1,19 +1,15 @@
 package io.github.wulkanowy.ui.modules.account
 
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface AccountView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<AccountItem>)
-
-    fun dismissView()
-
-    fun showConfirmDialog()
+    fun updateData(data: List<AccountItem<*>>)
 
     fun openLoginView()
 
-    fun recreateMainView()
+    fun openAccountDetailsView(studentWithSemesters: StudentWithSemesters)
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsFragment.kt
new file mode 100644
index 000000000..f1c7f7bd1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsFragment.kt
@@ -0,0 +1,164 @@
+package io.github.wulkanowy.ui.modules.account.accountdetails
+
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.get
+import androidx.core.view.isVisible
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentAccountDetailsBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.account.accountedit.AccountEditDialog
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.studentinfo.StudentInfoFragment
+import io.github.wulkanowy.ui.modules.studentinfo.StudentInfoView
+import io.github.wulkanowy.utils.createNameInitialsDrawable
+import io.github.wulkanowy.utils.nickOrName
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AccountDetailsFragment :
+    BaseFragment<FragmentAccountDetailsBinding>(R.layout.fragment_account_details),
+    AccountDetailsView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AccountDetailsPresenter
+
+    override val titleStringId = R.string.account_details_title
+
+    companion object {
+
+        private const val ARGUMENT_KEY = "Data"
+
+        fun newInstance(studentWithSemesters: StudentWithSemesters) =
+            AccountDetailsFragment().apply {
+                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, studentWithSemesters) }
+            }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAccountDetailsBinding.bind(view)
+        presenter.onAttachView(this, requireArguments()[ARGUMENT_KEY] as StudentWithSemesters)
+    }
+
+    override fun initView() {
+        binding.accountDetailsErrorRetry.setOnClickListener { presenter.onRetry() }
+        binding.accountDetailsErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        binding.accountDetailsLogout.setOnClickListener { presenter.onRemoveSelected() }
+        binding.accountDetailsSelect.setOnClickListener { presenter.onStudentSelect() }
+
+        binding.accountDetailsPersonalData.setOnClickListener {
+            presenter.onStudentInfoSelected(StudentInfoView.Type.PERSONAL)
+        }
+        binding.accountDetailsAddressData.setOnClickListener {
+            presenter.onStudentInfoSelected(StudentInfoView.Type.ADDRESS)
+        }
+        binding.accountDetailsContactData.setOnClickListener {
+            presenter.onStudentInfoSelected(StudentInfoView.Type.CONTACT)
+        }
+        binding.accountDetailsFamilyData.setOnClickListener {
+            presenter.onStudentInfoSelected(StudentInfoView.Type.FAMILY)
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        menu[0].isVisible = false
+        inflater.inflate(R.menu.action_menu_account_details, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.accountDetailsMenuEdit) {
+            presenter.onAccountEditSelected()
+            true
+        } else false
+    }
+
+    override fun showAccountData(student: Student) {
+        with(binding) {
+            accountDetailsCheck.isVisible = student.isCurrent
+            accountDetailsName.text = student.nickOrName
+            accountDetailsSchool.text = student.schoolName
+            accountDetailsAvatar.setImageDrawable(
+                requireContext().createNameInitialsDrawable(
+                    student.nickOrName,
+                    student.avatarColor
+                )
+            )
+        }
+    }
+
+    override fun enableSelectStudentButton(enable: Boolean) {
+        binding.accountDetailsSelect.isEnabled = enable
+    }
+
+    override fun showAccountEditDetailsDialog(student: Student) {
+        (requireActivity() as MainActivity).showDialogFragment(
+            AccountEditDialog.newInstance(student)
+        )
+    }
+
+    override fun showLogoutConfirmDialog() {
+        context?.let {
+            AlertDialog.Builder(it)
+                .setTitle(R.string.account_logout_student)
+                .setMessage(R.string.account_confirm)
+                .setPositiveButton(R.string.account_logout) { _, _ -> presenter.onLogoutConfirm() }
+                .setNegativeButton(android.R.string.cancel) { _, _ -> }
+                .show()
+        }
+    }
+
+    override fun popView() {
+        (requireActivity() as MainActivity).popView(2)
+    }
+
+    override fun recreateMainView() {
+        requireActivity().recreate()
+    }
+
+    override fun openStudentInfoView(
+        infoType: StudentInfoView.Type,
+        studentWithSemesters: StudentWithSemesters
+    ) {
+        (requireActivity() as MainActivity).pushView(
+            StudentInfoFragment.newInstance(
+                infoType,
+                studentWithSemesters
+            )
+        )
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.accountDetailsError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.accountDetailsErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.accountDetailsProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.accountDetailsContent.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsPresenter.kt
new file mode 100644
index 000000000..cc53c9b63
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsPresenter.kt
@@ -0,0 +1,180 @@
+package io.github.wulkanowy.ui.modules.account.accountdetails
+
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.services.sync.SyncManager
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.ui.modules.studentinfo.StudentInfoView
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class AccountDetailsPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val syncManager: SyncManager
+) : BasePresenter<AccountDetailsView>(errorHandler, studentRepository) {
+
+    private var studentWithSemesters: StudentWithSemesters? = null
+
+    private lateinit var lastError: Throwable
+
+    private var studentId: Long? = null
+
+    fun onAttachView(view: AccountDetailsView, studentWithSemesters: StudentWithSemesters) {
+        super.onAttachView(view)
+        studentId = studentWithSemesters.student.id
+
+        view.initView()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        Timber.i("Account details view was initialized")
+        loadData()
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData() {
+        flowWithResource { studentRepository.getSavedStudents() }
+            .map { studentWithSemesters ->
+                Resource(
+                    data = studentWithSemesters.data?.single { it.student.id == studentId },
+                    status = studentWithSemesters.status,
+                    error = studentWithSemesters.error
+                )
+            }
+            .onEach {
+                when (it.status) {
+                    Status.LOADING -> {
+                        view?.run {
+                            showProgress(true)
+                            showContent(false)
+                        }
+                        Timber.i("Loading account details view started")
+                    }
+                    Status.SUCCESS -> {
+                        Timber.i("Loading account details view result: Success")
+                        studentWithSemesters = it.data
+                        view?.run {
+                            showAccountData(studentWithSemesters!!.student)
+                            enableSelectStudentButton(!studentWithSemesters!!.student.isCurrent)
+                            showContent(true)
+                            showErrorView(false)
+                        }
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Loading account details view result: An exception occurred")
+                        errorHandler.dispatch(it.error!!)
+                    }
+                }
+            }
+            .afterLoading { view?.showProgress(false) }
+            .launch()
+    }
+
+    fun onAccountEditSelected() {
+        studentWithSemesters?.let {
+            view?.showAccountEditDetailsDialog(it.student)
+        }
+    }
+
+    fun onStudentInfoSelected(infoType: StudentInfoView.Type) {
+        studentWithSemesters?.let {
+            view?.openStudentInfoView(infoType, it)
+        }
+    }
+
+    fun onStudentSelect() {
+        if (studentWithSemesters == null) return
+
+        Timber.i("Select student ${studentWithSemesters!!.student.id}")
+
+        flowWithResource { studentRepository.switchStudent(studentWithSemesters!!) }
+            .onEach {
+                when (it.status) {
+                    Status.LOADING -> Timber.i("Attempt to change a student")
+                    Status.SUCCESS -> {
+                        Timber.i("Change a student result: Success")
+                        view?.recreateMainView()
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Change a student result: An exception occurred")
+                        errorHandler.dispatch(it.error!!)
+                    }
+                }
+            }.afterLoading {
+                view?.popView()
+            }.launch("switch")
+    }
+
+    fun onRemoveSelected() {
+        Timber.i("Select remove account")
+        view?.showLogoutConfirmDialog()
+    }
+
+    fun onLogoutConfirm() {
+        if (studentWithSemesters == null) return
+
+        flowWithResource {
+            val studentToLogout = studentWithSemesters!!.student
+
+            studentRepository.logoutStudent(studentToLogout)
+            val students = studentRepository.getSavedStudents(false)
+
+            if (studentToLogout.isCurrent && students.isNotEmpty()) {
+                studentRepository.switchStudent(students[0])
+            }
+
+            return@flowWithResource students
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Attempt to logout user")
+                Status.SUCCESS -> view?.run {
+                    when {
+                        it.data!!.isEmpty() -> {
+                            Timber.i("Logout result: Open login view")
+                            syncManager.stopSyncWorker()
+                            openClearLoginView()
+                        }
+                        studentWithSemesters!!.student.isCurrent -> {
+                            Timber.i("Logout result: Logout student and switch to another")
+                            recreateMainView()
+                        }
+                        else -> Timber.i("Logout result: Logout student")
+                    }
+                }
+                Status.ERROR -> {
+                    Timber.i("Logout result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.popView()
+        }.launch("logout")
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            setErrorDetails(message)
+            showErrorView(true)
+            showContent(false)
+            showProgress(false)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsView.kt
new file mode 100644
index 000000000..652f0c1aa
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountdetails/AccountDetailsView.kt
@@ -0,0 +1,36 @@
+package io.github.wulkanowy.ui.modules.account.accountdetails
+
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.studentinfo.StudentInfoView
+
+interface AccountDetailsView : BaseView {
+
+    fun initView()
+
+    fun showAccountData(student: Student)
+
+    fun showAccountEditDetailsDialog(student: Student)
+
+    fun showLogoutConfirmDialog()
+
+    fun popView()
+
+    fun recreateMainView()
+
+    fun enableSelectStudentButton(enable: Boolean)
+
+    fun openStudentInfoView(
+        infoType: StudentInfoView.Type,
+        studentWithSemesters: StudentWithSemesters
+    )
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun showContent(show: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditColorAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditColorAdapter.kt
new file mode 100644
index 000000000..ab6eec417
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditColorAdapter.kt
@@ -0,0 +1,90 @@
+package io.github.wulkanowy.ui.modules.account.accountedit
+
+import android.annotation.SuppressLint
+import android.content.res.ColorStateList
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.GradientDrawable
+import android.graphics.drawable.RippleDrawable
+import android.graphics.drawable.StateListDrawable
+import android.os.Build
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.databinding.ItemAccountEditColorBinding
+import javax.inject.Inject
+
+class AccountEditColorAdapter @Inject constructor() :
+    RecyclerView.Adapter<AccountEditColorAdapter.ViewHolder>() {
+
+    var items = listOf<Int>()
+
+    var selectedColor = 0
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+        ItemAccountEditColorBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("RestrictedApi", "NewApi")
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            accountEditItemColor.setImageDrawable(GradientDrawable().apply {
+                shape = GradientDrawable.OVAL
+                setColor(item)
+            })
+
+            accountEditItemColorContainer.foreground = item.createForegroundDrawable()
+            accountEditCheck.isVisible = selectedColor == item
+
+            root.setOnClickListener {
+                val oldSelectedPosition = items.indexOf(selectedColor)
+                selectedColor = item
+
+                notifyItemChanged(oldSelectedPosition)
+                notifyItemChanged(position)
+            }
+        }
+    }
+
+    private fun Int.createForegroundDrawable(): Drawable =
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            val mask = GradientDrawable().apply {
+                shape = GradientDrawable.OVAL
+                setColor(Color.BLACK)
+            }
+            RippleDrawable(ColorStateList.valueOf(this.rippleColor), null, mask)
+        } else {
+            val foreground = StateListDrawable().apply {
+                alpha = 80
+                setEnterFadeDuration(250)
+                setExitFadeDuration(250)
+            }
+
+            val mask = GradientDrawable().apply {
+                shape = GradientDrawable.OVAL
+                setColor(this@createForegroundDrawable.rippleColor)
+            }
+
+            foreground.apply {
+                addState(intArrayOf(android.R.attr.state_pressed), mask)
+                addState(intArrayOf(), ColorDrawable(Color.TRANSPARENT))
+            }
+        }
+
+    private inline val Int.rippleColor: Int
+        get() {
+            val hsv = FloatArray(3)
+            Color.colorToHSV(this, hsv)
+            hsv[2] = hsv[2] * 0.5f
+            return Color.HSVToColor(hsv)
+        }
+
+    class ViewHolder(val binding: ItemAccountEditColorBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditDialog.kt
new file mode 100644
index 000000000..21a7a492d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditDialog.kt
@@ -0,0 +1,98 @@
+package io.github.wulkanowy.ui.modules.account.accountedit
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.GridLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.databinding.DialogAccountEditBinding
+import io.github.wulkanowy.ui.base.BaseDialogFragment
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AccountEditDialog : BaseDialogFragment<DialogAccountEditBinding>(), AccountEditView {
+
+    @Inject
+    lateinit var presenter: AccountEditPresenter
+
+    @Inject
+    lateinit var accountEditColorAdapter: AccountEditColorAdapter
+
+    companion object {
+
+        private const val ARGUMENT_KEY = "student_with_semesters"
+
+        fun newInstance(student: Student) =
+            AccountEditDialog().apply {
+                arguments = Bundle().apply {
+                    putSerializable(ARGUMENT_KEY, student)
+                }
+            }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NO_TITLE, 0)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View = DialogAccountEditBinding.inflate(inflater).apply { binding = this }.root
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this, requireArguments()[ARGUMENT_KEY] as Student)
+    }
+
+    override fun initView() {
+        with(binding) {
+            accountEditDetailsCancel.setOnClickListener { dismiss() }
+            accountEditDetailsSave.setOnClickListener {
+                presenter.changeStudentNickAndAvatar(
+                    binding.accountEditDetailsNickText.text.toString(),
+                    accountEditColorAdapter.selectedColor
+                )
+            }
+
+            with(binding.accountEditColors) {
+                layoutManager = GridLayoutManager(context, 4)
+                adapter = accountEditColorAdapter
+            }
+        }
+    }
+
+    override fun updateSelectedColorData(color: Int) {
+        with(accountEditColorAdapter) {
+            selectedColor = color
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun updateColorsData(colors: List<Int>) {
+        with(accountEditColorAdapter) {
+            items = colors
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showCurrentNick(nick: String) {
+        binding.accountEditDetailsNickText.setText(nick)
+    }
+
+    override fun popView() {
+        dismiss()
+    }
+
+    override fun recreateMainView() {
+        activity?.recreate()
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        presenter.onDetachView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditPresenter.kt
new file mode 100644
index 000000000..62dd70ab4
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditPresenter.kt
@@ -0,0 +1,80 @@
+package io.github.wulkanowy.ui.modules.account.accountedit
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class AccountEditPresenter @Inject constructor(
+    private val appInfo: AppInfo,
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository
+) : BasePresenter<AccountEditView>(errorHandler, studentRepository) {
+
+    lateinit var student: Student
+
+    private val colors = appInfo.defaultColorsForAvatar.map { it.toInt() }
+
+    fun onAttachView(view: AccountEditView, student: Student) {
+        super.onAttachView(view)
+        this.student = student
+
+        with(view) {
+            initView()
+            showCurrentNick(student.nick.trim())
+        }
+        Timber.i("Account edit dialog view was initialized")
+        loadData()
+
+        view.updateColorsData(colors)
+    }
+
+    private fun loadData() {
+        flowWithResource {
+            studentRepository.getStudentById(student.id, false).avatarColor
+        }.onEach { resource ->
+            when (resource.status) {
+                Status.LOADING -> Timber.i("Attempt to load student")
+                Status.SUCCESS -> {
+                    view?.updateSelectedColorData(resource.data?.toInt()!!)
+                    Timber.i("Attempt to load student: Success")
+                }
+                Status.ERROR -> {
+                    Timber.i("Attempt to load student: An exception occurred")
+                    errorHandler.dispatch(resource.error!!)
+                }
+            }
+        }.launch("load_data")
+    }
+
+    fun changeStudentNickAndAvatar(nick: String, avatarColor: Int) {
+        flowWithResource {
+            val studentNick =
+                StudentNickAndAvatar(nick = nick.trim(), avatarColor = avatarColor.toLong())
+                    .apply { id = student.id }
+            studentRepository.updateStudentNickAndAvatar(studentNick)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Attempt to change a student nick and avatar")
+                Status.SUCCESS -> {
+                    Timber.i("Change a student nick and avatar result: Success")
+                    view?.recreateMainView()
+                }
+                Status.ERROR -> {
+                    Timber.i("Change a student nick and avatar result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }
+            .afterLoading { view?.popView() }
+            .launch("update_student")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditView.kt
new file mode 100644
index 000000000..517492de1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountedit/AccountEditView.kt
@@ -0,0 +1,18 @@
+package io.github.wulkanowy.ui.modules.account.accountedit
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AccountEditView : BaseView {
+
+    fun initView()
+
+    fun popView()
+
+    fun recreateMainView()
+
+    fun showCurrentNick(nick: String)
+
+    fun updateSelectedColorData(color: Int)
+
+    fun updateColorsData(colors: List<Int>)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickDialog.kt
new file mode 100644
index 000000000..4279102e1
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickDialog.kt
@@ -0,0 +1,95 @@
+package io.github.wulkanowy.ui.modules.account.accountquick
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.DialogAccountQuickBinding
+import io.github.wulkanowy.ui.base.BaseDialogFragment
+import io.github.wulkanowy.ui.modules.account.AccountAdapter
+import io.github.wulkanowy.ui.modules.account.AccountFragment
+import io.github.wulkanowy.ui.modules.account.AccountItem
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AccountQuickDialog : BaseDialogFragment<DialogAccountQuickBinding>(), AccountQuickView {
+
+    @Inject
+    lateinit var accountAdapter: AccountAdapter
+
+    @Inject
+    lateinit var presenter: AccountQuickPresenter
+
+    companion object {
+
+        private const val STUDENTS_ARGUMENT_KEY = "students"
+
+        fun newInstance(studentsWithSemesters: List<StudentWithSemesters>) =
+            AccountQuickDialog().apply {
+                arguments = Bundle().apply {
+                    putSerializable(STUDENTS_ARGUMENT_KEY, studentsWithSemesters.toTypedArray())
+                }
+            }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NO_TITLE, 0)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogAccountQuickBinding.inflate(inflater).apply { binding = this }.root
+
+    @Suppress("UNCHECKED_CAST")
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        val studentsWithSemesters =
+            (requireArguments()[STUDENTS_ARGUMENT_KEY] as Array<StudentWithSemesters>).toList()
+
+        presenter.onAttachView(this, studentsWithSemesters)
+    }
+
+    override fun initView() {
+        binding.accountQuickDialogManger.setOnClickListener { presenter.onManagerSelected() }
+
+        with(accountAdapter) {
+            isAccountQuickDialogMode = true
+            onClickListener = presenter::onStudentSelect
+        }
+
+        with(binding.accountQuickDialogRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = accountAdapter
+        }
+    }
+
+    override fun updateData(data: List<AccountItem<*>>) {
+        with(accountAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun popView() {
+        dismiss()
+    }
+
+    override fun recreateMainView() {
+        activity?.recreate()
+    }
+
+    override fun openAccountView() {
+        (requireActivity() as MainActivity).pushView(AccountFragment.newInstance())
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickPresenter.kt
new file mode 100644
index 000000000..39d8fce24
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickPresenter.kt
@@ -0,0 +1,67 @@
+package io.github.wulkanowy.ui.modules.account.accountquick
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.ui.modules.account.AccountItem
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class AccountQuickPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository
+) : BasePresenter<AccountQuickView>(errorHandler, studentRepository) {
+
+    private lateinit var studentsWithSemesters: List<StudentWithSemesters>
+
+    fun onAttachView(view: AccountQuickView, studentsWithSemesters: List<StudentWithSemesters>) {
+        super.onAttachView(view)
+        this.studentsWithSemesters = studentsWithSemesters
+
+        view.initView()
+        Timber.i("Account quick dialog view was initialized")
+        view.updateData(createAccountItems(studentsWithSemesters))
+    }
+
+    fun onManagerSelected() {
+        view?.run {
+            openAccountView()
+            popView()
+        }
+    }
+
+    fun onStudentSelect(studentWithSemesters: StudentWithSemesters) {
+        Timber.i("Select student ${studentWithSemesters.student.id}")
+
+        if (studentWithSemesters.student.isCurrent) {
+            view?.popView()
+            return
+        }
+
+        flowWithResource { studentRepository.switchStudent(studentWithSemesters) }
+            .onEach {
+                when (it.status) {
+                    Status.LOADING -> Timber.i("Attempt to change a student")
+                    Status.SUCCESS -> {
+                        Timber.i("Change a student result: Success")
+                        view?.recreateMainView()
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Change a student result: An exception occurred")
+                        errorHandler.dispatch(it.error!!)
+                    }
+                }
+            }
+            .afterLoading { view?.popView() }
+            .launch("switch")
+    }
+
+    private fun createAccountItems(items: List<StudentWithSemesters>) = items.map {
+        AccountItem(it, AccountItem.ViewType.ITEM)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickView.kt
new file mode 100644
index 000000000..4a9420d99
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/accountquick/AccountQuickView.kt
@@ -0,0 +1,17 @@
+package io.github.wulkanowy.ui.modules.account.accountquick
+
+import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.account.AccountItem
+
+interface AccountQuickView : BaseView {
+
+    fun initView()
+
+    fun updateData(data: List<AccountItem<*>>)
+
+    fun recreateMainView()
+
+    fun popView()
+
+    fun openAccountView()
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceAdapter.kt
new file mode 100644
index 000000000..03ec1c842
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceAdapter.kt
@@ -0,0 +1,81 @@
+package io.github.wulkanowy.ui.modules.attendance
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.enums.SentExcuseStatus
+import io.github.wulkanowy.databinding.ItemAttendanceBinding
+import io.github.wulkanowy.utils.description
+import javax.inject.Inject
+
+class AttendanceAdapter @Inject constructor() :
+    RecyclerView.Adapter<AttendanceAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Attendance>()
+
+    var excuseActionMode: Boolean = false
+
+    var onClickListener: (Attendance) -> Unit = {}
+
+    var onExcuseCheckboxSelect: (attendanceItem: Attendance, checked: Boolean) -> Unit = { _, _ -> }
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemAttendanceBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            attendanceItemNumber.text = item.number.toString()
+            attendanceItemSubject.text = item.subject
+            attendanceItemDescription.setText(item.description)
+            attendanceItemAlert.visibility = item.run { if (absence && !excused) View.VISIBLE else View.INVISIBLE }
+            attendanceItemNumber.visibility = View.GONE
+            attendanceItemExcuseInfo.visibility = View.GONE
+            attendanceItemExcuseCheckbox.visibility = View.GONE
+            attendanceItemExcuseCheckbox.isChecked = false
+            attendanceItemExcuseCheckbox.setOnCheckedChangeListener { _, checked ->
+                onExcuseCheckboxSelect(item, checked)
+            }
+
+            when (if (item.excuseStatus != null) SentExcuseStatus.valueOf(item.excuseStatus) else null) {
+                SentExcuseStatus.WAITING -> {
+                    attendanceItemExcuseInfo.setImageResource(R.drawable.ic_excuse_waiting)
+                    attendanceItemExcuseInfo.visibility = View.VISIBLE
+                    attendanceItemAlert.visibility = View.INVISIBLE
+                }
+                SentExcuseStatus.DENIED -> {
+                    attendanceItemExcuseInfo.setImageResource(R.drawable.ic_excuse_denied)
+                    attendanceItemExcuseInfo.visibility = View.VISIBLE
+                }
+                else -> {
+                    if (item.excusable && excuseActionMode) {
+                        attendanceItemNumber.visibility = View.GONE
+                        attendanceItemExcuseCheckbox.visibility = View.VISIBLE
+                    } else {
+                        attendanceItemNumber.visibility = View.VISIBLE
+                        attendanceItemExcuseCheckbox.visibility = View.GONE
+                    }
+                }
+            }
+            root.setOnClickListener {
+                onClickListener(item)
+
+                with(attendanceItemExcuseCheckbox) {
+                    if (excuseActionMode && isVisible) {
+                        isChecked = !isChecked
+                    }
+                }
+            }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemAttendanceBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceDialog.kt
index 611dd999e..8b6526cdc 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceDialog.kt
@@ -5,22 +5,24 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
-import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.databinding.DialogAttendanceBinding
+import io.github.wulkanowy.utils.description
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_attendance.*
 
 class AttendanceDialog : DialogFragment() {
 
+    private var binding: DialogAttendanceBinding by lifecycleAwareVariable()
+
     private lateinit var attendance: Attendance
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
 
-        fun newInstance(exam: Attendance): AttendanceDialog {
-            return AttendanceDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
-            }
+        fun newInstance(exam: Attendance) = AttendanceDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
         }
     }
 
@@ -32,17 +34,21 @@ class AttendanceDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_attendance, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogAttendanceBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        attendanceDialogSubject.text = attendance.subject
-        attendanceDialogDescription.text = attendance.name
-        attendanceDialogDate.text = attendance.date.toFormattedString()
-        attendanceDialogNumber.text = attendance.number.toString()
-        attendanceDialogClose.setOnClickListener { dismiss() }
+        with(binding) {
+            attendanceDialogSubject.text = attendance.subject
+            attendanceDialogDescription.setText(attendance.description)
+            attendanceDialogDate.text = attendance.date.toFormattedString()
+            attendanceDialogNumber.text = attendance.number.toString()
+            attendanceDialogClose.setOnClickListener { dismiss() }
+        }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
index fb6309f7e..cb718c724 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt
@@ -1,35 +1,50 @@
 package io.github.wulkanowy.ui.modules.attendance
 
+import android.content.DialogInterface.BUTTON_POSITIVE
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import android.view.View.GONE
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.view.ActionMode
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.databinding.DialogExcuseBinding
+import io.github.wulkanowy.databinding.FragmentAttendanceBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
 import io.github.wulkanowy.utils.dpToPx
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_attendance.*
+import io.github.wulkanowy.utils.getThemeAttrColor
+import java.time.LocalDate
 import javax.inject.Inject
 
-class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildView,
+@AndroidEntryPoint
+class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.fragment_attendance), AttendanceView, MainView.MainChildView,
     MainView.TitledView {
 
     @Inject
     lateinit var presenter: AttendancePresenter
 
     @Inject
-    lateinit var attendanceAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var attendanceAdapter: AttendanceAdapter
+
+    override val excuseSuccessString: String
+        get() = getString(R.string.attendance_excuse_success)
+
+    override val excuseNoSelectionString: String
+        get() = getString(R.string.attendance_excuse_no_selection)
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
@@ -39,41 +54,78 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
 
     override val titleStringId get() = R.string.attendance_title
 
-    override val isViewEmpty get() = attendanceAdapter.isEmpty
+    override val isViewEmpty get() = attendanceAdapter.items.isEmpty()
 
     override val currentStackSize get() = (activity as? MainActivity)?.currentStackSize
 
+    override val excuseActionMode: Boolean get() = attendanceAdapter.excuseActionMode
+
+    private var actionMode: ActionMode? = null
+
+    private val actionModeCallback = object : ActionMode.Callback {
+        override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
+            val inflater = mode.menuInflater
+            inflater.inflate(R.menu.context_menu_excuse, menu)
+            return true
+        }
+
+        override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
+            mode.title = getString(R.string.attendance_excuse_title)
+            return presenter.onPrepareActionMode()
+        }
+
+        override fun onDestroyActionMode(mode: ActionMode) {
+            presenter.onDestroyActionMode()
+            actionMode = null
+        }
+
+        override fun onActionItemClicked(mode: ActionMode, menu: MenuItem): Boolean {
+            return when (menu.itemId) {
+                R.id.excuseMenuSubmit -> presenter.onExcuseSubmitButtonClick()
+                else -> false
+            }
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_attendance, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = attendanceRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAttendanceBinding.bind(view)
+        messageContainer = binding.attendanceRecycler
         presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
     }
 
     override fun initView() {
-        attendanceAdapter.setOnItemClickListener(presenter::onAttendanceItemSelected)
-
-        with(attendanceRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
-            adapter = attendanceAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false))
+        with(attendanceAdapter) {
+            onClickListener = presenter::onAttendanceItemSelected
+            onExcuseCheckboxSelect = presenter::onExcuseCheckboxSelect
         }
 
-        attendanceSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-        attendancePreviousButton.setOnClickListener { presenter.onPreviousDay() }
-        attendanceNextButton.setOnClickListener { presenter.onNextDay() }
+        with(binding.attendanceRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = attendanceAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
 
-        attendanceNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        with(binding) {
+            attendanceSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            attendanceSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            attendanceSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            attendanceErrorRetry.setOnClickListener { presenter.onRetry() }
+            attendanceErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
+            attendancePreviousButton.setOnClickListener { presenter.onPreviousDay() }
+            attendanceNavDate.setOnClickListener { presenter.onPickDate() }
+            attendanceNextButton.setOnClickListener { presenter.onNextDay() }
+
+            attendanceExcuseButton.setOnClickListener { presenter.onExcuseButtonClick() }
+
+            attendanceNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -85,66 +137,133 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
         else false
     }
 
-    override fun updateData(data: List<AttendanceItem>) {
-        attendanceAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<Attendance>) {
+        with(attendanceAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateNavigationDay(date: String) {
-        attendanceNavDate.text = date
+        binding.attendanceNavDate.text = date
     }
 
     override fun clearData() {
-        attendanceAdapter.clear()
+        with(attendanceAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun resetView() {
-        attendanceRecycler.smoothScrollToPosition(0)
+        binding.attendanceRecycler.smoothScrollToPosition(0)
     }
 
     override fun onFragmentReselected() {
         if (::presenter.isInitialized) presenter.onViewReselected()
     }
 
+    override fun onFragmentChanged() {
+        if (::presenter.isInitialized) presenter.onMainViewChanged()
+    }
+
     override fun popView() {
         (activity as? MainActivity)?.popView()
     }
 
     override fun showEmpty(show: Boolean) {
-        attendanceEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        binding.attendanceEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.attendanceError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.attendanceErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        attendanceProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.attendanceProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        attendanceSwipe.isEnabled = enable
+        binding.attendanceSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        attendanceRecycler.visibility = if (show) View.VISIBLE else View.GONE
+        binding.attendanceRecycler.visibility = if (show) VISIBLE else GONE
     }
 
-    override fun hideRefresh() {
-        attendanceSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.attendanceSwipe.isRefreshing = show
     }
 
     override fun showPreButton(show: Boolean) {
-        attendancePreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.attendancePreviousButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        attendanceNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding. attendanceNextButton.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    override fun showExcuseButton(show: Boolean) {
+        binding.attendanceExcuseButton.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showAttendanceDialog(lesson: Attendance) {
         (activity as? MainActivity)?.showDialogFragment(AttendanceDialog.newInstance(lesson))
     }
 
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            vibrate(false)
+            show(this@AttendanceFragment.parentFragmentManager, null)
+        }
+    }
+
+    override fun showExcuseDialog() {
+        val dialogBinding = DialogExcuseBinding.inflate(LayoutInflater.from(context))
+        AlertDialog.Builder(requireContext())
+            .setTitle(R.string.attendance_excuse_title)
+            .setView(dialogBinding.root)
+            .setNegativeButton(android.R.string.cancel) { _, _ -> }
+            .create()
+            .apply {
+                setButton(BUTTON_POSITIVE, getString(R.string.attendance_excuse_dialog_submit)) { _, _ ->
+                    presenter.onExcuseDialogSubmit(dialogBinding.excuseReason.text?.toString().orEmpty())
+                }
+            }.show()
+    }
+
     override fun openSummaryView() {
         (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
     }
 
+    override fun startActionMode() {
+        actionMode = (activity as MainActivity?)?.startSupportActionMode(actionModeCallback)
+    }
+
+    override fun showExcuseCheckboxes(show: Boolean) {
+        attendanceAdapter.apply {
+            excuseActionMode = show
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun finishActionMode() {
+        actionMode?.finish()
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceItem.kt
deleted file mode 100644
index 16a140cbf..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceItem.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance
-
-import android.view.View
-import android.view.View.INVISIBLE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Attendance
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_attendance.*
-
-class AttendanceItem(val attendance: Attendance) : AbstractFlexibleItem<AttendanceItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_attendance
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            attendanceItemNumber.text = attendance.number.toString()
-            attendanceItemSubject.text = attendance.subject
-            attendanceItemDescription.text = attendance.name
-            attendanceItemAlert.visibility = attendance.run { if (absence && !excused) VISIBLE else INVISIBLE }
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AttendanceItem
-
-        if (attendance != other.attendance) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = attendance.hashCode()
-        result = 31 * result + attendance.id.toInt()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
index df311f784..b03db91af 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
@@ -1,64 +1,99 @@
 package io.github.wulkanowy.ui.modules.attendance
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.attendance.AttendanceRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import android.annotation.SuppressLint
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.repositories.AttendanceRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousOrSameSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
 import io.github.wulkanowy.utils.toFormattedString
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDate.ofEpochDay
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.time.LocalDate
+import java.time.LocalDate.now
+import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class AttendancePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val attendanceRepository: AttendanceRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AttendanceView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<AttendanceView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().previousOrSameSchoolDay
 
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
+    private val attendanceToExcuseList = mutableListOf<Attendance>()
+
     fun onAttachView(view: AttendanceView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Attendance view was initialized")
-        loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        loadData()
         if (currentDate.isHolidays) setBaseDateOnHolidays()
-        reloadView()
     }
 
     fun onPreviousDay() {
-        loadData(currentDate.previousSchoolDay)
-        reloadView()
+        view?.finishActionMode()
+        attendanceToExcuseList.clear()
+        reloadView(currentDate.previousSchoolDay)
+        loadData()
     }
 
     fun onNextDay() {
-        loadData(currentDate.nextSchoolDay)
-        reloadView()
+        view?.finishActionMode()
+        attendanceToExcuseList.clear()
+        reloadView(currentDate.nextSchoolDay)
+        loadData()
+    }
+
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        reloadView(LocalDate.of(year, month, day))
+        loadData()
     }
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the attendance")
-        loadData(currentDate, true)
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
     }
 
     fun onViewReselected() {
@@ -67,18 +102,67 @@ class AttendancePresenter @Inject constructor(
             if (view.currentStackSize == 1) {
                 baseDate.also {
                     if (currentDate != it) {
-                        loadData(it)
-                        reloadView()
+                        reloadView(it)
+                        loadData()
                     } else if (!view.isViewEmpty) view.resetView()
                 }
             } else view.popView()
         }
     }
 
-    fun onAttendanceItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is AttendanceItem) {
-            Timber.i("Select attendance item ${item.attendance.id}")
-            view?.showAttendanceDialog(item.attendance)
+    fun onMainViewChanged() {
+        view?.finishActionMode()
+    }
+
+    fun onAttendanceItemSelected(attendance: Attendance) {
+        view?.apply {
+            if (!excuseActionMode) {
+                Timber.i("Select attendance item ${attendance.id}")
+                showAttendanceDialog(attendance)
+            }
+        }
+    }
+
+    fun onExcuseButtonClick() {
+        view?.startActionMode()
+    }
+
+    fun onExcuseCheckboxSelect(attendanceItem: Attendance, checked: Boolean) {
+        if (checked) attendanceToExcuseList.add(attendanceItem)
+        else attendanceToExcuseList.remove(attendanceItem)
+    }
+
+    fun onExcuseSubmitButtonClick(): Boolean {
+        view?.apply {
+            return if (attendanceToExcuseList.isNotEmpty()) {
+                showExcuseDialog()
+                true
+            } else {
+                showMessage(excuseNoSelectionString)
+                false
+            }
+        }
+        return false
+    }
+
+    fun onExcuseDialogSubmit(reason: String) {
+        view?.finishActionMode()
+        excuseAbsence(if (reason != "") reason else null, attendanceToExcuseList.toList())
+    }
+
+    fun onPrepareActionMode(): Boolean {
+        view?.apply {
+            showExcuseCheckboxes(true)
+            showExcuseButton(false)
+        }
+        attendanceToExcuseList.clear()
+        return true
+    }
+
+    fun onDestroyActionMode() {
+        view?.apply {
+            showExcuseCheckboxes(false)
+            showExcuseButton(true)
         }
     }
 
@@ -88,77 +172,154 @@ class AttendancePresenter @Inject constructor(
     }
 
     private fun setBaseDateOnHolidays() {
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-                currentDate = baseDate
-                reloadNavigation()
-            }) {
-                Timber.i("Loading semester result: An exception occurred")
-            })
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
     }
 
-    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading attendance data started")
-        currentDate = date
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .delay(200, MILLISECONDS)
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .flatMap { attendanceRepository.getAttendance(it, date, date, forceRefresh) }
-                .map { list ->
-                    if (prefRepository.isShowPresent) list
-                    else list.filter { !it.presence }
-                }
-                .map { items -> items.map { AttendanceItem(it) } }
-                .map { items -> items.sortedBy { it.attendance.number } }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
-                    }
-                }
-                .subscribe({
-                    Timber.i("Loading attendance result: Success")
-                    view?.apply {
-                        updateData(it)
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
-                    }
-                    analytics.logEvent("load_attendance", "items" to it.size, "force_refresh" to forceRefresh)
-                }) {
-                    Timber.i("Loading attendance result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    errorHandler.dispatch(it)
-                }
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            attendanceRepository.getAttendance(
+                student,
+                semester,
+                currentDate,
+                currentDate,
+                forceRefresh
             )
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    view?.showExcuseButton(false)
+                    if (!it.data.isNullOrEmpty()) {
+                        val filteredAttendance = if (prefRepository.isShowPresent) {
+                            it.data
+                        } else {
+                            it.data.filter { item -> !item.presence }
+                        }
+
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showEmpty(filteredAttendance.isEmpty())
+                            showContent(filteredAttendance.isNotEmpty())
+                            updateData(filteredAttendance.sortedBy { item -> item.number })
+                        }
+                    }
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Loading attendance result: Success")
+                    val filteredAttendance = if (prefRepository.isShowPresent) {
+                        it.data.orEmpty()
+                    } else {
+                        it.data?.filter { item -> !item.presence }.orEmpty()
+                    }
+
+                    view?.apply {
+                        updateData(filteredAttendance.sortedBy { item -> item.number })
+                        showEmpty(filteredAttendance.isEmpty())
+                        showErrorView(false)
+                        showContent(filteredAttendance.isNotEmpty())
+                        showExcuseButton(filteredAttendance.any { item -> item.excusable })
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "attendance",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading attendance result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun excuseAbsence(reason: String?, toExcuseList: List<Attendance>) {
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            attendanceRepository.excuseForAbsence(student, semester, toExcuseList, reason)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Excusing absence started")
+                    showProgress(true)
+                    showContent(false)
+                    showExcuseButton(false)
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Excusing for absence result: Success")
+                    analytics.logEvent("excuse_absence", "items" to attendanceToExcuseList.size)
+                    attendanceToExcuseList.clear()
+                    view?.run {
+                        showExcuseButton(false)
+                        showMessage(excuseSuccessString)
+                        showContent(true)
+                        showProgress(false)
+                    }
+                    loadData(forceRefresh = true)
+                }
+                Status.ERROR -> {
+                    Timber.i("Excusing for absence result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                    loadData()
+                }
+            }
+        }.launch("excuse")
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun reloadView() {
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+
         Timber.i("Reload attendance view with the date ${currentDate.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
+            showRefresh(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun reloadNavigation() {
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)
             showNextButton(!currentDate.plusDays(1).isHolidays)
-            updateNavigationDay(currentDate.toFormattedString("EEEE\ndd.MM.YYYY").capitalize())
+            updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalize())
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt
index 04fe94a48..0459dfcf6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt
@@ -2,6 +2,7 @@ package io.github.wulkanowy.ui.modules.attendance
 
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.ui.base.BaseView
+import java.time.LocalDate
 
 interface AttendanceView : BaseView {
 
@@ -9,20 +10,30 @@ interface AttendanceView : BaseView {
 
     val currentStackSize: Int?
 
+    val excuseSuccessString: String
+
+    val excuseNoSelectionString: String
+
+    val excuseActionMode: Boolean
+
     fun initView()
 
-    fun updateData(data: List<AttendanceItem>)
+    fun updateData(data: List<Attendance>)
 
     fun updateNavigationDay(date: String)
 
     fun clearData()
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun resetView()
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
@@ -33,9 +44,21 @@ interface AttendanceView : BaseView {
 
     fun showNextButton(show: Boolean)
 
+    fun showExcuseButton(show: Boolean)
+
     fun showAttendanceDialog(lesson: Attendance)
 
+    fun showDatePickerDialog(currentDate: LocalDate)
+
+    fun showExcuseDialog()
+
     fun openSummaryView()
 
+    fun startActionMode()
+
+    fun showExcuseCheckboxes(show: Boolean)
+
+    fun finishActionMode()
+
     fun popView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryAdapter.kt
new file mode 100644
index 000000000..4250a9109
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryAdapter.kt
@@ -0,0 +1,101 @@
+package io.github.wulkanowy.ui.modules.attendance.summary
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.databinding.ItemAttendanceSummaryBinding
+import io.github.wulkanowy.databinding.ScrollableHeaderAttendanceSummaryBinding
+import io.github.wulkanowy.utils.calculatePercentage
+import io.github.wulkanowy.utils.getFormattedName
+import java.time.Month
+import java.util.Locale
+import javax.inject.Inject
+
+class AttendanceSummaryAdapter @Inject constructor() :
+    RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        HEADER(1),
+        ITEM(2)
+    }
+
+    var items = emptyList<AttendanceSummary>()
+
+    override fun getItemCount() = if (items.isNotEmpty()) items.size + 2 else 0
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.HEADER.id
+        else -> ViewType.ITEM.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.HEADER.id -> HeaderViewHolder(ScrollableHeaderAttendanceSummaryBinding.inflate(inflater, parent, false))
+            ViewType.ITEM.id -> ItemViewHolder(ItemAttendanceSummaryBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, position - 2)
+        }
+    }
+
+    private fun bindHeaderViewHolder(binding: ScrollableHeaderAttendanceSummaryBinding) {
+        binding.attendanceSummaryScrollableHeaderPercentage.text = formatPercentage(items.calculatePercentage())
+    }
+
+    private fun bindItemViewHolder(binding: ItemAttendanceSummaryBinding, position: Int) {
+        val item = if (position == -1) getTotalItem() else items[position]
+
+        with(binding) {
+            attendanceSummaryMonth.text = when (position) {
+                -1 -> root.context.getString(R.string.attendance_summary_total)
+                else -> item.month.getFormattedName()
+            }
+            attendanceSummaryPercentage.text = when (position) {
+                -1 -> formatPercentage(items.calculatePercentage())
+                else -> formatPercentage(item.calculatePercentage())
+            }
+
+            attendanceSummaryPresent.text = item.presence.toString()
+            attendanceSummaryAbsenceUnexcused.text = item.absence.toString()
+            attendanceSummaryAbsenceExcused.text = item.absenceExcused.toString()
+            attendanceSummaryAbsenceSchool.text = item.absenceForSchoolReasons.toString()
+            attendanceSummaryExemption.text = item.exemption.toString()
+            attendanceSummaryLatenessUnexcused.text = item.lateness.toString()
+            attendanceSummaryLatenessExcused.text = item.latenessExcused.toString()
+        }
+    }
+
+    private fun getTotalItem() = AttendanceSummary(
+        month = Month.APRIL,
+        presence = items.sumBy { it.presence },
+        absence = items.sumBy { it.absence },
+        absenceExcused = items.sumBy { it.absenceExcused },
+        absenceForSchoolReasons = items.sumBy { it.absenceForSchoolReasons },
+        exemption = items.sumBy { it.exemption },
+        lateness = items.sumBy { it.lateness },
+        latenessExcused = items.sumBy { it.latenessExcused },
+        diaryId = -1,
+        studentId = -1,
+        subjectId = -1
+    )
+
+    private fun formatPercentage(percentage: Double): String {
+        return if (percentage == 0.0) "0%"
+        else "${String.format(Locale.FRANCE, "%.2f", percentage)}%"
+    }
+
+    class HeaderViewHolder(val binding: ScrollableHeaderAttendanceSummaryBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class ItemViewHolder(val binding: ItemAttendanceSummaryBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt
index 4109bbea8..118971e62 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryFragment.kt
@@ -1,32 +1,34 @@
 package io.github.wulkanowy.ui.modules.attendance.summary
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
 import android.widget.ArrayAdapter
 import android.widget.TextView
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.databinding.FragmentAttendanceSummaryBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.setOnItemSelectedListener
-import kotlinx.android.synthetic.main.fragment_attendance_summary.*
 import javax.inject.Inject
 
-class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainView.TitledView {
+@AndroidEntryPoint
+class AttendanceSummaryFragment :
+    BaseFragment<FragmentAttendanceSummaryBinding>(R.layout.fragment_attendance_summary),
+    AttendanceSummaryView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: AttendanceSummaryPresenter
 
     @Inject
-    lateinit var attendanceSummaryAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var attendanceSummaryAdapter: AttendanceSummaryAdapter
 
     private lateinit var subjectsAdapter: ArrayAdapter<String>
 
@@ -38,35 +40,38 @@ class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainVie
 
     override val titleStringId get() = R.string.attendance_title
 
-    override val isViewEmpty get() = attendanceSummaryAdapter.isEmpty
+    override val isViewEmpty get() = attendanceSummaryAdapter.items.isEmpty()
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_attendance_summary, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = attendanceSummaryRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAttendanceSummaryBinding.bind(view)
+        messageContainer = binding.attendanceSummaryRecycler
         presenter.onAttachView(this, savedInstanceState?.getInt(SAVED_SUBJECT_KEY))
     }
 
     override fun initView() {
-        with(attendanceSummaryRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.attendanceSummaryRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = attendanceSummaryAdapter
         }
 
-        attendanceSummarySwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        with(binding) {
+            attendanceSummarySwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            attendanceSummarySwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            attendanceSummarySwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            attendanceSummaryErrorRetry.setOnClickListener { presenter.onRetry() }
+            attendanceSummaryErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
 
         subjectsAdapter = ArrayAdapter(requireContext(), android.R.layout.simple_spinner_item, mutableListOf())
         subjectsAdapter.setDropDownViewResource(R.layout.item_attendance_summary_subject)
 
-        with(attendanceSummarySubjects) {
+        with(binding.attendanceSummarySubjects) {
             adapter = subjectsAdapter
             setOnItemSelectedListener<TextView> { presenter.onSubjectSelected(it?.text?.toString()) }
         }
 
-        attendanceSummarySubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
+        binding.attendanceSummarySubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
     }
 
     override fun updateSubjects(data: ArrayList<String>) {
@@ -77,40 +82,50 @@ class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainVie
         }
     }
 
-    override fun updateDataSet(data: List<AttendanceSummaryItem>, header: AttendanceSummaryScrollableHeader) {
+    override fun updateDataSet(data: List<AttendanceSummary>) {
         with(attendanceSummaryAdapter) {
-            updateDataSet(data, true)
-            removeAllScrollableFooters()
-            addScrollableHeader(header)
+            items = data
+            notifyDataSetChanged()
         }
     }
 
     override fun clearView() {
-        attendanceSummaryAdapter.clear()
+        with(attendanceSummaryAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun showEmpty(show: Boolean) {
-        attendanceSummaryEmpty.visibility = if (show) VISIBLE else GONE
+        binding.attendanceSummaryEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.attendanceSummaryError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.attendanceSummaryErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        attendanceSummaryProgress.visibility = if (show) VISIBLE else GONE
+        binding.attendanceSummaryProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        attendanceSummarySwipe.isEnabled = enable
+        binding.attendanceSummarySwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        attendanceSummaryRecycler.visibility = if (show) VISIBLE else GONE
+        binding.attendanceSummaryRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showSubjects(show: Boolean) {
-        attendanceSummarySubjectsContainer.visibility = if (show) VISIBLE else INVISIBLE
+        binding.attendanceSummarySubjectsContainer.visibility = if (show) VISIBLE else INVISIBLE
     }
 
-    override fun hideRefresh() {
-        attendanceSummarySwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.attendanceSummarySwipe.isRefreshing = show
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -119,7 +134,7 @@ class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainVie
     }
 
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryItem.kt
deleted file mode 100644
index 265d6ce44..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryItem.kt
+++ /dev/null
@@ -1,80 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.summary
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_attendance_summary.*
-
-class AttendanceSummaryItem(
-    private val month: String,
-    private val percentage: String,
-    private val present: String,
-    private val absence: String,
-    private val excusedAbsence: String,
-    private val schoolAbsence: String,
-    private val exemption: String,
-    private val lateness: String,
-    private val excusedLateness: String
-) : AbstractFlexibleItem<AttendanceSummaryItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_attendance_summary
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            attendanceSummaryMonth.text = month
-            attendanceSummaryPercentage.text = percentage
-            attendanceSummaryPresent.text = present
-            attendanceSummaryAbsenceUnexcused.text = absence
-            attendanceSummaryAbsenceExcused.text = excusedAbsence
-            attendanceSummaryAbsenceSchool.text = schoolAbsence
-            attendanceSummaryExemption.text = exemption
-            attendanceSummaryLatenessUnexcused.text = lateness
-            attendanceSummaryLatenessExcused.text = excusedLateness
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AttendanceSummaryItem
-
-        if (month != other.month) return false
-        if (percentage != other.percentage) return false
-        if (present != other.present) return false
-        if (absence != other.absence) return false
-        if (excusedAbsence != other.excusedAbsence) return false
-        if (schoolAbsence != other.schoolAbsence) return false
-        if (exemption != other.exemption) return false
-        if (lateness != other.lateness) return false
-        if (excusedLateness != other.excusedLateness) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = month.hashCode()
-        result = 31 * result + percentage.hashCode()
-        result = 31 * result + present.hashCode()
-        result = 31 * result + absence.hashCode()
-        result = 31 * result + excusedAbsence.hashCode()
-        result = 31 * result + schoolAbsence.hashCode()
-        result = 31 * result + exemption.hashCode()
-        result = 31 * result + lateness.hashCode()
-        result = 31 * result + excusedLateness.hashCode()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
index 403392996..e53cda749 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
@@ -1,42 +1,43 @@
 package io.github.wulkanowy.ui.modules.attendance.summary
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.Subject
-import io.github.wulkanowy.data.repositories.attendancesummary.AttendanceSummaryRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.data.repositories.subject.SubjectRepository
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.calculatePercentage
-import io.github.wulkanowy.utils.getFormattedName
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.lang.String.format
-import java.util.Locale.FRANCE
-import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.time.Month
 import javax.inject.Inject
 
 class AttendanceSummaryPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val attendanceSummaryRepository: AttendanceSummaryRepository,
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
 
     var currentSubjectId = -1
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: AttendanceSummaryView, subjectId: Int?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Attendance summary view was initialized with subject id ${subjectId ?: -1}")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData(subjectId ?: -1)
         loadSubjects()
     }
@@ -46,12 +47,26 @@ class AttendanceSummaryPresenter @Inject constructor(
         loadData(currentSubjectId, true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(currentSubjectId, true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onSubjectSelected(name: String?) {
         Timber.i("Select attendance summary subject $name")
         view?.run {
             showContent(false)
             showProgress(true)
             enableSwipe(false)
+            showEmpty(false)
+            showErrorView(false)
             clearView()
         }
         (subjects.singleOrNull { it.name == name }?.realId ?: -1).let {
@@ -61,80 +76,91 @@ class AttendanceSummaryPresenter @Inject constructor(
 
     private fun loadData(subjectId: Int, forceRefresh: Boolean = false) {
         Timber.i("Loading attendance summary data started")
+
         currentSubjectId = subjectId
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .delay(200, MILLISECONDS)
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .flatMap { attendanceSummaryRepository.getAttendanceSummary(it, subjectId, forceRefresh) }
-                .map { createAttendanceSummaryItems(it) to AttendanceSummaryScrollableHeader(formatPercentage(it.calculatePercentage())) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            attendanceSummaryRepository.getAttendanceSummary(student, semester, subjectId, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateDataSet(sortItems(it.data))
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading attendance summary result: Success")
                     view?.apply {
-                        showEmpty(it.first.isEmpty())
-                        showContent(it.first.isNotEmpty())
-                        updateDataSet(it.first, it.second)
+                        showEmpty(it.data!!.isEmpty())
+                        showContent(it.data.isNotEmpty())
+                        updateDataSet(sortItems(it.data))
                     }
-                    analytics.logEvent("load_attendance_summary", "items" to it.first.size, "force_refresh" to forceRefresh, "item_id" to subjectId)
-                }) {
-                    Timber.i("Loading attendance summary result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    errorHandler.dispatch(it)
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "attendance_summary",
+                        "items" to it.data!!.size,
+                        "item_id" to subjectId
+                    )
                 }
-            )
+                Status.ERROR -> {
+                    Timber.i("Loading attendance summary result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun sortItems(items: List<AttendanceSummary>) = items.sortedByDescending { item ->
+        if (item.month.value <= Month.JUNE.value) item.month.value + 12 else item.month.value
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
     private fun loadSubjects() {
-        Timber.i("Loading attendance summary subjects started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .flatMap { subjectRepository.getSubjects(it) }
-            .doOnSuccess { subjects = it }
-            .map { ArrayList(it.map { subject -> subject.name }) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                Timber.i("Loading attendance summary subjects result: Success")
-                view?.run {
-                    view?.updateSubjects(it)
-                    showSubjects(true)
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            subjectRepository.getSubjects(student, semester)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading attendance summary subjects started")
+                Status.SUCCESS -> {
+                    subjects = it.data!!
+
+                    Timber.i("Loading attendance summary subjects result: Success")
+                    view?.run {
+                        view?.updateSubjects(ArrayList(it.data.map { subject -> subject.name }))
+                        showSubjects(true)
+                    }
                 }
-            }, {
-                Timber.i("Loading attendance summary subjects result: An exception occurred")
-                errorHandler.dispatch(it)
-            })
-        )
-    }
-
-    private fun createAttendanceSummaryItems(attendanceSummary: List<AttendanceSummary>): List<AttendanceSummaryItem> {
-        return attendanceSummary.sortedByDescending { it.id }.map {
-            AttendanceSummaryItem(
-                month = it.month.getFormattedName(),
-                percentage = formatPercentage(it.calculatePercentage()),
-                present = it.presence.toString(),
-                absence = it.absence.toString(),
-                excusedAbsence = it.absenceExcused.toString(),
-                schoolAbsence = it.absenceForSchoolReasons.toString(),
-                exemption = it.exemption.toString(),
-                lateness = it.lateness.toString(),
-                excusedLateness = it.latenessExcused.toString()
-            )
-        }
-    }
-
-    private fun formatPercentage(percentage: Double): String {
-        return if (percentage == 0.0) "0%"
-        else "${format(FRANCE, "%.2f", percentage)}%"
+                Status.ERROR -> {
+                    Timber.i("Loading attendance summary subjects result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("subjects")
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryScrollableHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryScrollableHeader.kt
deleted file mode 100644
index c258f71d2..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryScrollableHeader.kt
+++ /dev/null
@@ -1,46 +0,0 @@
-package io.github.wulkanowy.ui.modules.attendance.summary
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.scrollable_header_attendance_summary.*
-
-class AttendanceSummaryScrollableHeader(private val percentage: String) :
-    AbstractFlexibleItem<AttendanceSummaryScrollableHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.scrollable_header_attendance_summary
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?, position: Int, payloads: MutableList<Any>?) {
-        holder?.apply { attendanceSummaryScrollableHeaderPercentage.text = percentage }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AttendanceSummaryScrollableHeader
-
-        if (percentage != other.percentage) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return percentage.hashCode()
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View?
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryView.kt
index 50f03e20a..66f370c5c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryView.kt
@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.attendance.summary
 
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.ui.base.BaseView
 
 interface AttendanceSummaryView : BaseView {
@@ -8,7 +9,7 @@ interface AttendanceSummaryView : BaseView {
 
     fun initView()
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun showContent(show: Boolean)
 
@@ -18,7 +19,11 @@ interface AttendanceSummaryView : BaseView {
 
     fun showEmpty(show: Boolean)
 
-    fun updateDataSet(data: List<AttendanceSummaryItem>, header: AttendanceSummaryScrollableHeader)
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun updateDataSet(data: List<AttendanceSummary>)
 
     fun updateSubjects(data: ArrayList<String>)
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceAdapter.kt
new file mode 100644
index 000000000..c87286149
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceAdapter.kt
@@ -0,0 +1,36 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.databinding.ItemConferenceBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class ConferenceAdapter @Inject constructor() :
+    RecyclerView.Adapter<ConferenceAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Conference>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemConferenceBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+        with(holder.binding) {
+            conferenceItemDate.text = item.date.toFormattedString("dd.MM.yyyy HH:mm")
+            conferenceItemName.text = item.presentOnConference
+            conferenceItemTitle.text = item.title
+            conferenceItemSubject.text = item.subject
+            conferenceItemContent.text = item.agenda
+            conferenceItemContent.visibility = if (item.agenda.isBlank()) View.GONE else View.VISIBLE
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemConferenceBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceFragment.kt
new file mode 100644
index 000000000..dd10a65e0
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceFragment.kt
@@ -0,0 +1,105 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import android.os.Bundle
+import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.databinding.FragmentConferenceBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ConferenceFragment : BaseFragment<FragmentConferenceBinding>(R.layout.fragment_conference),
+    ConferenceView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: ConferencePresenter
+
+    @Inject
+    lateinit var conferencesAdapter: ConferenceAdapter
+
+    companion object {
+        fun newInstance() = ConferenceFragment()
+    }
+
+    override val isViewEmpty: Boolean
+        get() = conferencesAdapter.items.isEmpty()
+
+    override val titleStringId: Int
+        get() = R.string.conferences_title
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentConferenceBinding.bind(view)
+        messageContainer = binding.conferenceRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.conferenceRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = conferencesAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            conferenceSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            conferenceSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            conferenceSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            conferenceErrorRetry.setOnClickListener { presenter.onRetry() }
+            conferenceErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<Conference>) {
+        with(conferencesAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearData() {
+        with(conferencesAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showRefresh(show: Boolean) {
+        binding.conferenceSwipe.isRefreshing = show
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.conferenceProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.conferenceEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.conferenceError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.conferenceErrorMessage.text = message
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.conferenceSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.conferenceRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferencePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferencePresenter.kt
new file mode 100644
index 000000000..cc7e50db5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferencePresenter.kt
@@ -0,0 +1,108 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.ConferenceRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class ConferencePresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val conferenceRepository: ConferenceRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<ConferenceView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: ConferenceView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Conferences view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        Timber.i("Loading conference data started")
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            conferenceRepository.getConferences(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data.sortedByDescending { conference -> conference.date })
+                        }
+                    }
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Loading conference result: Success")
+                    view?.run {
+                        updateData(it.data!!.sortedByDescending { conference -> conference.date })
+                        showContent(it.data.isNotEmpty())
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "conferences",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading conference result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceView.kt
new file mode 100644
index 000000000..f3d1b3b3f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/conference/ConferenceView.kt
@@ -0,0 +1,29 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.ui.base.BaseView
+
+interface ConferenceView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<Conference>)
+
+    fun clearData()
+
+    fun showRefresh(show: Boolean)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamAdapter.kt
new file mode 100644
index 000000000..535587399
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamAdapter.kt
@@ -0,0 +1,65 @@
+package io.github.wulkanowy.ui.modules.exam
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Exam
+import io.github.wulkanowy.databinding.HeaderExamBinding
+import io.github.wulkanowy.databinding.ItemExamBinding
+import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.weekDayName
+import java.time.LocalDate
+import javax.inject.Inject
+
+class ExamAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    var items = emptyList<ExamItem<*>>()
+
+    var onClickListener: (Exam) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int) = items[position].viewType.id
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ExamItem.ViewType.HEADER.id -> HeaderViewHolder(HeaderExamBinding.inflate(inflater, parent, false))
+            ExamItem.ViewType.ITEM.id -> ItemViewHolder(ItemExamBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding, items[position].value as LocalDate)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, items[position].value as Exam)
+        }
+    }
+
+    @SuppressLint("DefaultLocale")
+    private fun bindHeaderViewHolder(binding: HeaderExamBinding, date: LocalDate) {
+        with(binding) {
+            examHeaderDay.text = date.weekDayName.capitalize()
+            examHeaderDate.text = date.toFormattedString()
+        }
+    }
+
+    private fun bindItemViewHolder(binding: ItemExamBinding, exam: Exam) {
+        with(binding) {
+            examItemSubject.text = exam.subject
+            examItemTeacher.text = exam.teacher
+            examItemType.text = exam.type
+
+            root.setOnClickListener { onClickListener(exam) }
+        }
+    }
+
+    private class HeaderViewHolder(val binding: HeaderExamBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class ItemViewHolder(val binding: ItemExamBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamDialog.kt
index ed5092c96..3f815a2cb 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamDialog.kt
@@ -5,22 +5,23 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
-import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Exam
+import io.github.wulkanowy.databinding.DialogExamBinding
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_exam.*
 
 class ExamDialog : DialogFragment() {
 
+    private var binding: DialogExamBinding by lifecycleAwareVariable()
+
     private lateinit var exam: Exam
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
 
-        fun newInstance(exam: Exam): ExamDialog {
-            return ExamDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
-            }
+        fun newInstance(exam: Exam) = ExamDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
         }
     }
 
@@ -32,19 +33,23 @@ class ExamDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_exam, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogExamBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        examDialogSubjectValue.text = exam.subject
-        examDialogTypeValue.text = exam.type
-        examDialogTeacherValue.text = exam.teacher
-        examDialogDateValue.text = exam.entryDate.toFormattedString()
-        examDialogDescriptionValue.text = exam.description
+        with(binding) {
+            examDialogSubjectValue.text = exam.subject
+            examDialogTypeValue.text = exam.type
+            examDialogTeacherValue.text = exam.teacher
+            examDialogDateValue.text = exam.entryDate.toFormattedString()
+            examDialogDescriptionValue.text = exam.description
 
-        examDialogClose.setOnClickListener { dismiss() }
+            examDialogClose.setOnClickListener { dismiss() }
+        }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt
index c762fa154..0940b0bdf 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamFragment.kt
@@ -1,33 +1,32 @@
 package io.github.wulkanowy.ui.modules.exam
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Exam
+import io.github.wulkanowy.databinding.FragmentExamBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
 import io.github.wulkanowy.utils.dpToPx
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_exam.*
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.TitledView {
+@AndroidEntryPoint
+class ExamFragment : BaseFragment<FragmentExamBinding>(R.layout.fragment_exam), ExamView,
+    MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: ExamPresenter
 
     @Inject
-    lateinit var examAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var examAdapter: ExamAdapter
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
@@ -37,54 +36,62 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.
 
     override val titleStringId get() = R.string.exam_title
 
-    override val isViewEmpty get() = examAdapter.isEmpty
+    override val isViewEmpty get() = examAdapter.items.isEmpty()
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_exam, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = examRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentExamBinding.bind(view)
+        messageContainer = binding.examRecycler
         presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
     }
 
     override fun initView() {
-        examAdapter.setOnItemClickListener(presenter::onExamItemSelected)
+        examAdapter.onClickListener = presenter::onExamItemSelected
 
-        with(examRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.examRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = examAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider(R.layout.item_exam)
-                .withDrawDividerOnLastItem(false))
+            addItemDecoration(DividerItemDecoration(context))
         }
 
-        examSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-        examPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
-        examNextButton.setOnClickListener { presenter.onNextWeek() }
+        with(binding) {
+            examSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            examSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            examSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            examErrorRetry.setOnClickListener { presenter.onRetry() }
+            examErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
-        examNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            examPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
+            examNextButton.setOnClickListener { presenter.onNextWeek() }
+
+            examNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
     }
 
-    override fun hideRefresh() {
-        examSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.examSwipe.isRefreshing = show
     }
 
-    override fun updateData(data: List<ExamItem>) {
-        examAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<ExamItem<*>>) {
+        with(examAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateNavigationWeek(date: String) {
-        examNavDate.text = date
+        binding.examNavDate.text = date
     }
 
     override fun clearData() {
-        examAdapter.clear()
+        with(examAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun resetView() {
-        examRecycler.scrollToPosition(0)
+        binding.examRecycler.scrollToPosition(0)
     }
 
     override fun onFragmentReselected() {
@@ -92,27 +99,35 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.
     }
 
     override fun showEmpty(show: Boolean) {
-        examEmpty.visibility = if (show) VISIBLE else GONE
+        binding.examEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.examError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.examErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        examProgress.visibility = if (show) VISIBLE else GONE
+        binding.examProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        examSwipe.isEnabled = enable
+        binding.examSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        examRecycler.visibility = if (show) VISIBLE else GONE
+        binding.examRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showPreButton(show: Boolean) {
-        examPreviousButton.visibility = if (show) VISIBLE else INVISIBLE
+        binding.examPreviousButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        examNextButton.visibility = if (show) VISIBLE else INVISIBLE
+        binding.examNextButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showExamDialog(exam: Exam) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamHeader.kt
deleted file mode 100644
index 0a5b862c3..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamHeader.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package io.github.wulkanowy.ui.modules.exam
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractHeaderItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.ExpandableViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.utils.toFormattedString
-import io.github.wulkanowy.utils.weekDayName
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.header_exam.*
-import org.threeten.bp.LocalDate
-
-class ExamHeader(private val date: LocalDate) : AbstractHeaderItem<ExamHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.header_exam
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder,
-                                position: Int, payloads: MutableList<Any>?) {
-        holder.run {
-            examHeaderDay.text = date.weekDayName.capitalize()
-            examHeaderDate.text = date.toFormattedString()
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as ExamHeader
-
-        if (date != other.date) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return date.hashCode()
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : ExpandableViewHolder(view, adapter),
-            LayoutContainer {
-
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamItem.kt
index 8971b4df3..579e37203 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamItem.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamItem.kt
@@ -1,50 +1,9 @@
 package io.github.wulkanowy.ui.modules.exam
 
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractSectionableItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Exam
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_exam.*
+data class ExamItem<out T>(val value: T, val viewType: ViewType) {
 
-class ExamItem(header: ExamHeader, val exam: Exam) : AbstractSectionableItem<ExamItem.ViewHolder, ExamHeader>(header) {
-
-    override fun getLayoutRes() = R.layout.item_exam
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.run {
-            examItemSubject.text = exam.subject
-            examItemTeacher.text = exam.teacher
-            examItemType.text = exam.type
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as ExamItem
-
-        if (exam != other.exam) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = exam.hashCode()
-        result = 31 * result + exam.id.toInt()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
+    enum class ViewType(val id: Int) {
+        HEADER(1),
+        ITEM(2)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
index 93109922c..b70a648f4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
@@ -1,147 +1,187 @@
 package io.github.wulkanowy.ui.modules.exam
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Exam
-import io.github.wulkanowy.data.repositories.exam.ExamRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.ExamRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.toFormattedString
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDate.ofEpochDay
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.time.LocalDate
+import java.time.LocalDate.now
+import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class ExamPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val examRepository: ExamRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<ExamView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<ExamView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: ExamView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Exam view was initialized")
-        loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        loadData()
         if (currentDate.isHolidays) setBaseDateOnHolidays()
-        reloadView()
     }
 
     fun onPreviousWeek() {
-        loadData(currentDate.minusDays(7))
-        reloadView()
+        reloadView(currentDate.minusDays(7))
+        loadData()
     }
 
     fun onNextWeek() {
-        loadData(currentDate.plusDays(7))
-        reloadView()
+        reloadView(currentDate.plusDays(7))
+        loadData()
     }
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the exam")
-        loadData(currentDate, true)
+        loadData(true)
     }
 
-    fun onExamItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is ExamItem) {
-            Timber.i("Select exam item ${item.exam.id}")
-            view?.showExamDialog(item.exam)
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
         }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onExamItemSelected(exam: Exam) {
+        Timber.i("Select exam item ${exam.id}")
+        view?.showExamDialog(exam)
     }
 
     fun onViewReselected() {
         Timber.i("Exam view is reselected")
         baseDate.also {
             if (currentDate != it) {
-                loadData(it)
-                reloadView()
+                reloadView(it)
+                loadData()
             } else if (view?.isViewEmpty == false) view?.resetView()
         }
     }
 
     private fun setBaseDateOnHolidays() {
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-                currentDate = baseDate
-                reloadNavigation()
-            }) {
-                Timber.i("Loading semester result: An exception occurred")
-            })
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
     }
 
-    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading exam data started")
-        currentDate = date
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .delay(200, MILLISECONDS)
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .flatMap { examRepository.getExams(it, currentDate.monday, currentDate.friday, forceRefresh) }
-                .map { it.groupBy { exam -> exam.date }.toSortedMap() }
-                .map { createExamItems(it) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            examRepository.getExams(student, semester, currentDate.monday, currentDate.sunday, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(createExamItems(it.data))
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading exam result: Success")
                     view?.apply {
-                        updateData(it)
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
+                        updateData(createExamItems(it.data!!))
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.isNotEmpty())
                     }
-                    analytics.logEvent("load_exam", "items" to it.size, "force_refresh" to forceRefresh)
-                }) {
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "exam",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Loading exam result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    errorHandler.dispatch(it)
-                })
-        }
-    }
-
-    private fun createExamItems(items: Map<LocalDate, List<Exam>>): List<ExamItem> {
-        return items.flatMap {
-            ExamHeader(it.key).let { header ->
-                it.value.reversed().map { item -> ExamItem(header, item) }
+                    errorHandler.dispatch(it.error!!)
+                }
             }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun reloadView() {
+    private fun createExamItems(items: List<Exam>): List<ExamItem<*>> {
+        return items.groupBy { it.date }.toSortedMap().map { (date, exams) ->
+            listOf(ExamItem(date, ExamItem.ViewType.HEADER)) + exams.reversed().map { exam ->
+                ExamItem(exam, ExamItem.ViewType.ITEM)
+            }
+        }.flatten()
+    }
+
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+
         Timber.i("Reload exam view with the date ${currentDate.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
@@ -152,7 +192,7 @@ class ExamPresenter @Inject constructor(
             showPreButton(!currentDate.minusDays(7).isHolidays)
             showNextButton(!currentDate.plusDays(7).isHolidays)
             updateNavigationWeek("${currentDate.monday.toFormattedString("dd.MM")} - " +
-                currentDate.friday.toFormattedString("dd.MM"))
+                currentDate.sunday.toFormattedString("dd.MM"))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamView.kt
index 888cb05e5..ac1a87fe9 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamView.kt
@@ -9,18 +9,22 @@ interface ExamView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<ExamItem>)
+    fun updateData(data: List<ExamItem<*>>)
 
     fun updateNavigationWeek(date: String)
 
     fun clearData()
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun resetView()
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageMode.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageMode.kt
new file mode 100644
index 000000000..1960c3df7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageMode.kt
@@ -0,0 +1,11 @@
+package io.github.wulkanowy.ui.modules.grade
+
+enum class GradeAverageMode(val value: String) {
+    ALL_YEAR("all_year"),
+    ONE_SEMESTER("only_one_semester"),
+    BOTH_SEMESTERS("both_semesters");
+
+    companion object {
+        fun getByValue(value: String) = values().firstOrNull { it.value == value } ?: ONE_SEMESTER
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProvider.kt
index 3f794ff1f..7e9b56b94 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProvider.kt
@@ -1,72 +1,224 @@
 package io.github.wulkanowy.ui.modules.grade
 
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.grade.GradeRepository
-import io.github.wulkanowy.data.repositories.gradessummary.GradeSummaryRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
+import io.github.wulkanowy.data.repositories.GradeRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.ui.modules.grade.GradeAverageMode.ALL_YEAR
+import io.github.wulkanowy.ui.modules.grade.GradeAverageMode.BOTH_SEMESTERS
+import io.github.wulkanowy.ui.modules.grade.GradeAverageMode.ONE_SEMESTER
 import io.github.wulkanowy.utils.calcAverage
 import io.github.wulkanowy.utils.changeModifier
-import io.reactivex.Maybe
-import io.reactivex.Single
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.map
 import javax.inject.Inject
 
+@OptIn(FlowPreview::class)
 class GradeAverageProvider @Inject constructor(
-    private val preferencesRepository: PreferencesRepository,
+    private val semesterRepository: SemesterRepository,
     private val gradeRepository: GradeRepository,
-    private val gradeSummaryRepository: GradeSummaryRepository
+    private val preferencesRepository: PreferencesRepository
 ) {
 
-    fun getGradeAverage(student: Student, semesters: List<Semester>, selectedSemesterId: Int, forceRefresh: Boolean): Single<Map<String, Double>> {
-        return when (preferencesRepository.gradeAverageMode) {
-            "all_year" -> getAllYearAverage(student, semesters, selectedSemesterId, forceRefresh)
-            "only_one_semester" -> getOnlyOneSemesterAverage(student, semesters, selectedSemesterId, forceRefresh)
-            else -> throw IllegalArgumentException("Incorrect grade average mode: ${preferencesRepository.gradeAverageMode} ")
+    private val plusModifier get() = preferencesRepository.gradePlusModifier
+
+    private val minusModifier get() = preferencesRepository.gradeMinusModifier
+
+    fun getGradesDetailsWithAverage(student: Student, semesterId: Int, forceRefresh: Boolean) =
+        flowWithResourceIn {
+            val semesters = semesterRepository.getSemesters(student)
+
+            when (preferencesRepository.gradeAverageMode) {
+                ONE_SEMESTER -> getGradeSubjects(
+                    student = student,
+                    semester = semesters.single { it.semesterId == semesterId },
+                    forceRefresh = forceRefresh
+                )
+                BOTH_SEMESTERS -> calculateCombinedAverage(
+                    student = student,
+                    semesters = semesters,
+                    semesterId = semesterId,
+                    forceRefresh = forceRefresh,
+                    averageMode = BOTH_SEMESTERS
+                )
+                ALL_YEAR -> calculateCombinedAverage(
+                    student = student,
+                    semesters = semesters,
+                    semesterId = semesterId,
+                    forceRefresh = forceRefresh,
+                    averageMode = ALL_YEAR
+                )
+            }
+        }.distinctUntilChanged()
+
+    private fun calculateCombinedAverage(
+        student: Student,
+        semesters: List<Semester>,
+        semesterId: Int,
+        forceRefresh: Boolean,
+        averageMode: GradeAverageMode
+    ): Flow<Resource<List<GradeSubject>>> {
+        val gradeAverageForceCalc = preferencesRepository.gradeAverageForceCalc
+        val selectedSemester = semesters.single { it.semesterId == semesterId }
+        val firstSemester =
+            semesters.single { it.diaryId == selectedSemester.diaryId && it.semesterName == 1 }
+
+        val selectedSemesterGradeSubjects =
+            getGradeSubjects(student, selectedSemester, forceRefresh)
+
+        if (selectedSemester == firstSemester) return selectedSemesterGradeSubjects
+
+        val firstSemesterGradeSubjects =
+            getGradeSubjects(student, firstSemester, forceRefresh)
+
+        return selectedSemesterGradeSubjects.combine(firstSemesterGradeSubjects) { secondSemesterGradeSubject, firstSemesterGradeSubject ->
+            if (firstSemesterGradeSubject.status == Status.ERROR) {
+                return@combine firstSemesterGradeSubject
+            }
+
+            val isAnyVulcanAverageInFirstSemester =
+                firstSemesterGradeSubject.data.orEmpty().any { it.average != .0 }
+            val isAnyVulcanAverageInSecondSemester =
+                secondSemesterGradeSubject.data.orEmpty().any { it.average != .0 }
+
+            val updatedData = secondSemesterGradeSubject.data?.map { secondSemesterSubject ->
+                val firstSemesterSubject = firstSemesterGradeSubject.data.orEmpty()
+                    .singleOrNull { it.subject == secondSemesterSubject.subject }
+
+                val updatedAverage = if (averageMode == ALL_YEAR) {
+                    calculateAllYearAverage(
+                        student = student,
+                        isAnyVulcanAverage = isAnyVulcanAverageInFirstSemester || isAnyVulcanAverageInSecondSemester,
+                        gradeAverageForceCalc = gradeAverageForceCalc,
+                        secondSemesterSubject = secondSemesterSubject,
+                        firstSemesterSubject = firstSemesterSubject
+                    )
+                } else {
+                    calculateBothSemestersAverage(
+                        student = student,
+                        isAnyVulcanAverage = isAnyVulcanAverageInFirstSemester || isAnyVulcanAverageInSecondSemester,
+                        gradeAverageForceCalc = gradeAverageForceCalc,
+                        secondSemesterSubject = secondSemesterSubject,
+                        firstSemesterSubject = firstSemesterSubject
+                    )
+                }
+                secondSemesterSubject.copy(average = updatedAverage)
+            }
+            secondSemesterGradeSubject.copy(data = updatedData)
         }
     }
 
-    private fun getAllYearAverage(student: Student, semesters: List<Semester>, semesterId: Int, forceRefresh: Boolean): Single<Map<String, Double>> {
-        val selectedSemester = semesters.single { it.semesterId == semesterId }
-        val firstSemester = semesters.single { it.diaryId == selectedSemester.diaryId && it.semesterName == 1 }
-        val plusModifier = preferencesRepository.gradePlusModifier
-        val minusModifier = preferencesRepository.gradeMinusModifier
+    private fun calculateAllYearAverage(
+        student: Student,
+        isAnyVulcanAverage: Boolean,
+        gradeAverageForceCalc: Boolean,
+        secondSemesterSubject: GradeSubject,
+        firstSemesterSubject: GradeSubject?
+    ) = if (!isAnyVulcanAverage || gradeAverageForceCalc) {
+        val updatedSecondSemesterGrades =
+            secondSemesterSubject.grades.updateModifiers(student)
+        val updatedFirstSemesterGrades =
+            firstSemesterSubject?.grades?.updateModifiers(student).orEmpty()
 
-        return getAverageFromGradeSummary(selectedSemester, forceRefresh)
-            .switchIfEmpty(gradeRepository.getGrades(student, selectedSemester, forceRefresh)
-                .flatMap { firstGrades ->
-                    if (selectedSemester == firstSemester) Single.just(firstGrades)
-                    else {
-                        gradeRepository.getGrades(student, firstSemester)
-                            .map { secondGrades -> secondGrades + firstGrades }
-                    }
-                }.map { grades ->
-                    grades.map { it.changeModifier(plusModifier, minusModifier) }
-                        .groupBy { it.subject }
-                        .mapValues { it.value.calcAverage() }
-                })
+        (updatedSecondSemesterGrades + updatedFirstSemesterGrades).calcAverage()
+    } else {
+        secondSemesterSubject.average
     }
 
-    private fun getOnlyOneSemesterAverage(student: Student, semesters: List<Semester>, semesterId: Int, forceRefresh: Boolean): Single<Map<String, Double>> {
-        val selectedSemester = semesters.single { it.semesterId == semesterId }
-        val plusModifier = preferencesRepository.gradePlusModifier
-        val minusModifier = preferencesRepository.gradeMinusModifier
+    private fun calculateBothSemestersAverage(
+        student: Student,
+        isAnyVulcanAverage: Boolean,
+        gradeAverageForceCalc: Boolean,
+        secondSemesterSubject: GradeSubject,
+        firstSemesterSubject: GradeSubject?
+    ): Double {
+        val divider = if (secondSemesterSubject.grades.any { it.weightValue > .0 }) 2 else 1
 
-        return getAverageFromGradeSummary(selectedSemester, forceRefresh)
-            .switchIfEmpty(gradeRepository.getGrades(student, selectedSemester, forceRefresh)
-                .map { grades ->
-                    grades.map { it.changeModifier(plusModifier, minusModifier) }
-                        .groupBy { it.subject }
-                        .mapValues { it.value.calcAverage() }
-                })
+        return if (!isAnyVulcanAverage || gradeAverageForceCalc) {
+            val secondSemesterAverage =
+                secondSemesterSubject.grades.updateModifiers(student).calcAverage()
+            val firstSemesterAverage = firstSemesterSubject?.grades?.updateModifiers(student)
+                ?.calcAverage() ?: secondSemesterAverage
+
+            (secondSemesterAverage + firstSemesterAverage) / divider
+        } else {
+            (secondSemesterSubject.average + (firstSemesterSubject?.average ?: secondSemesterSubject.average)) / divider
+        }
     }
 
-    private fun getAverageFromGradeSummary(selectedSemester: Semester, forceRefresh: Boolean): Maybe<Map<String, Double>> {
-        return gradeSummaryRepository.getGradesSummary(selectedSemester, forceRefresh)
-            .toMaybe()
-            .flatMap {
-                if (it.any { summary -> summary.average != .0 }) {
-                    Maybe.just(it.map { summary -> summary.subject to summary.average }.toMap())
-                } else Maybe.empty()
-            }.filter { !preferencesRepository.gradeAverageForceCalc }
+    private fun getGradeSubjects(
+        student: Student,
+        semester: Semester,
+        forceRefresh: Boolean
+    ): Flow<Resource<List<GradeSubject>>> {
+        val gradeAverageForceCalc = preferencesRepository.gradeAverageForceCalc
+
+        return gradeRepository.getGrades(student, semester, forceRefresh = forceRefresh)
+            .map { res ->
+                val (details, summaries) = res.data ?: null to null
+                val isAnyAverage = summaries.orEmpty().any { it.average != .0 }
+                val allGrades = details.orEmpty().groupBy { it.subject }
+
+                val items = summaries?.emulateEmptySummaries(
+                    student,
+                    semester,
+                    allGrades.toList(),
+                    isAnyAverage
+                )?.map { summary ->
+                    val grades = allGrades[summary.subject].orEmpty()
+                    GradeSubject(
+                        subject = summary.subject,
+                        average = if (!isAnyAverage || gradeAverageForceCalc) {
+                            grades.updateModifiers(student).calcAverage()
+                        } else summary.average,
+                        points = summary.pointsSum,
+                        summary = summary,
+                        grades = grades
+                    )
+                }
+
+                Resource(res.status, items, res.error)
+            }
+    }
+
+    private fun List<GradeSummary>.emulateEmptySummaries(
+        student: Student,
+        semester: Semester,
+        grades: List<Pair<String, List<Grade>>>,
+        calcAverage: Boolean
+    ): List<GradeSummary> {
+        if (isNotEmpty() && size > grades.size) return this
+
+        return grades.mapIndexed { i, (subject, details) ->
+            singleOrNull { it.subject == subject }?.let { return@mapIndexed it }
+            GradeSummary(
+                studentId = student.studentId,
+                semesterId = semester.semesterId,
+                position = i,
+                subject = subject,
+                predictedGrade = "",
+                finalGrade = "",
+                proposedPoints = "",
+                finalPoints = "",
+                pointsSum = "",
+                average = if (calcAverage) details.updateModifiers(student).calcAverage() else .0
+            )
+        }
+    }
+
+    private fun List<Grade>.updateModifiers(student: Student): List<Grade> {
+        return if (student.loginMode == Sdk.Mode.SCRAPPER.name) {
+            map { it.changeModifier(plusModifier, minusModifier) }
+        } else this
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt
index 68ae57eca..b3ef3037a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeFragment.kt
@@ -1,16 +1,17 @@
 package io.github.wulkanowy.ui.modules.grade
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.databinding.FragmentGradeBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
 import io.github.wulkanowy.ui.modules.grade.details.GradeDetailsFragment
@@ -19,41 +20,39 @@ import io.github.wulkanowy.ui.modules.grade.summary.GradeSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.setOnSelectPageListener
-import kotlinx.android.synthetic.main.fragment_grade.*
 import javax.inject.Inject
 
-class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainView.TitledView {
+@AndroidEntryPoint
+class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade), GradeView,
+    MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: GradePresenter
 
-    @Inject
-    lateinit var pagerAdapter: BaseFragmentPagerAdapter
+    private val pagerAdapter by lazy { BaseFragmentPagerAdapter(childFragmentManager) }
 
     private var semesterSwitchMenu: MenuItem? = null
 
     companion object {
-        private const val SAVED_SEMESTER_KEY = "CURRENT_SEMESTER"
 
         fun newInstance() = GradeFragment()
     }
 
     override val titleStringId get() = R.string.grade_title
 
-    override val currentPageIndex get() = gradeViewPager.currentItem
+    override var subtitleString = ""
+
+    override val currentPageIndex get() = binding.gradeViewPager.currentItem
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_grade, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        presenter.onAttachView(this, savedInstanceState?.getInt(SAVED_SEMESTER_KEY))
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentGradeBinding.bind(view)
+        presenter.onAttachView(this)
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -64,26 +63,31 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainVie
 
     override fun initView() {
         with(pagerAdapter) {
-            containerId = gradeViewPager.id
-            addFragmentsWithTitle(mapOf(
-                GradeDetailsFragment.newInstance() to getString(R.string.all_details),
-                GradeSummaryFragment.newInstance() to getString(R.string.grade_menu_summary),
-                GradeStatisticsFragment.newInstance() to getString(R.string.grade_menu_statistics)
-            ))
+            containerId = binding.gradeViewPager.id
+            addFragmentsWithTitle(
+                mapOf(
+                    GradeDetailsFragment.newInstance() to getString(R.string.all_details),
+                    GradeSummaryFragment.newInstance() to getString(R.string.grade_menu_summary),
+                    GradeStatisticsFragment.newInstance() to getString(R.string.grade_menu_statistics)
+                )
+            )
         }
 
-        with(gradeViewPager) {
+        with(binding.gradeViewPager) {
             adapter = pagerAdapter
             offscreenPageLimit = 3
             setOnSelectPageListener(presenter::onPageSelected)
         }
 
-        with(gradeTabLayout) {
-            setupWithViewPager(gradeViewPager)
+        with(binding.gradeTabLayout) {
+            setupWithViewPager(binding.gradeViewPager)
             setElevationCompat(context.dpToPx(4f))
         }
 
-        gradeSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        with(binding) {
+            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -96,35 +100,31 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainVie
     }
 
     override fun showContent(show: Boolean) {
-        gradeViewPager.visibility = if (show) VISIBLE else INVISIBLE
-        gradeTabLayout.visibility = if (show) VISIBLE else INVISIBLE
+        with(binding) {
+            gradeViewPager.visibility = if (show) VISIBLE else INVISIBLE
+            gradeTabLayout.visibility = if (show) VISIBLE else INVISIBLE
+        }
     }
 
     override fun showProgress(show: Boolean) {
-        gradeProgress.visibility = if (show) VISIBLE else INVISIBLE
+        binding.gradeProgress.visibility = if (show) VISIBLE else INVISIBLE
     }
 
-    override fun showEmpty(show: Boolean) {
-        gradeEmpty.visibility = if (show) VISIBLE else INVISIBLE
+    override fun showErrorView(show: Boolean) {
+        binding.gradeError.visibility = if (show) VISIBLE else INVISIBLE
     }
 
-    override fun showRefresh(show: Boolean) {
-        gradeSwipe.isRefreshing = show
+    override fun setErrorDetails(message: String) {
+        binding.gradeErrorMessage.text = message
     }
 
     override fun showSemesterSwitch(show: Boolean) {
         semesterSwitchMenu?.isVisible = show
     }
 
-    override fun enableSwipe(enable: Boolean) {
-        gradeSwipe.isEnabled = enable
-    }
-
-    override fun showSemesterDialog(selectedIndex: Int) {
-        val choices = arrayOf(
-            getString(R.string.grade_semester, 1),
-            getString(R.string.grade_semester, 2)
-        )
+    override fun showSemesterDialog(selectedIndex: Int, semesters: List<Semester>) {
+        val choices = semesters.map { getString(R.string.grade_semester, it.semesterName) }
+            .toTypedArray()
 
         AlertDialog.Builder(requireContext())
             .setSingleChoiceItems(choices, selectedIndex) { dialog, which ->
@@ -136,6 +136,14 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainVie
             .show()
     }
 
+    override fun setCurrentSemesterName(semester: Int, schoolYear: Int) {
+        subtitleString = getString(R.string.grade_subtitle, semester, schoolYear, schoolYear + 1)
+
+        if (isVisible) {
+            (activity as MainView?)?.setViewSubTitle(subtitleString)
+        }
+    }
+
     fun onChildRefresh() {
         presenter.onChildViewRefresh()
     }
@@ -145,7 +153,8 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainVie
     }
 
     override fun notifyChildLoadData(index: Int, semesterId: Int, forceRefresh: Boolean) {
-        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentLoadData(semesterId, forceRefresh)
+        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)
+            ?.onParentLoadData(semesterId, forceRefresh)
     }
 
     override fun notifyChildParentReselected(index: Int) {
@@ -156,13 +165,8 @@ class GradeFragment : BaseFragment(), GradeView, MainView.MainChildView, MainVie
         (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-        outState.putInt(SAVED_SEMESTER_KEY, presenter.selectedIndex)
-    }
-
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeModule.kt
deleted file mode 100644
index 52cf087bd..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeModule.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-package io.github.wulkanowy.ui.modules.grade
-
-import dagger.Module
-import dagger.Provides
-import dagger.android.ContributesAndroidInjector
-import io.github.wulkanowy.di.scopes.PerChildFragment
-import io.github.wulkanowy.di.scopes.PerFragment
-import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
-import io.github.wulkanowy.ui.modules.grade.details.GradeDetailsFragment
-import io.github.wulkanowy.ui.modules.grade.statistics.GradeStatisticsFragment
-import io.github.wulkanowy.ui.modules.grade.summary.GradeSummaryFragment
-
-@Suppress("unused")
-@Module
-abstract class GradeModule {
-
-    @Module
-    companion object {
-
-        @JvmStatic
-        @PerFragment
-        @Provides
-        fun provideGradeAdapter(fragment: GradeFragment) = BaseFragmentPagerAdapter(fragment.childFragmentManager)
-    }
-
-    @PerChildFragment
-    @ContributesAndroidInjector
-    abstract fun bindGradeDetailsFragment(): GradeDetailsFragment
-
-    @PerChildFragment
-    @ContributesAndroidInjector
-    abstract fun binGradeSummaryFragment(): GradeSummaryFragment
-
-    @PerChildFragment
-    @ContributesAndroidInjector
-    abstract fun binGradeStatisticsFragment(): GradeStatisticsFragment
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
index 2ee69480c..504c730de 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
@@ -1,38 +1,41 @@
 package io.github.wulkanowy.ui.modules.grade
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.getCurrentOrLast
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class GradePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
-    var selectedIndex = 0
-        private set
+    private var selectedIndex = 0
+
+    private var schoolYear = 0
 
     private var semesters = emptyList<Semester>()
 
     private val loadedSemesterId = mutableMapOf<Int, Int>()
 
-    fun onAttachView(view: GradeView, savedIndex: Int?) {
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: GradeView) {
         super.onAttachView(view)
-        selectedIndex = savedIndex ?: 0
-        view.run {
-            initView()
-            enableSwipe(false)
-        }
+        view.initView()
         Timber.i("Grade view was initialized with $selectedIndex index")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData()
     }
 
@@ -46,7 +49,9 @@ class GradePresenter @Inject constructor(
     }
 
     fun onSemesterSwitch(): Boolean {
-        if (semesters.isNotEmpty()) view?.showSemesterDialog(selectedIndex - 1)
+        if (semesters.isNotEmpty()) {
+            view?.showSemesterDialog(selectedIndex - 1, semesters.take(2))
+        }
         return true
     }
 
@@ -56,6 +61,7 @@ class GradePresenter @Inject constructor(
             selectedIndex = index + 1
             loadedSemesterId.clear()
             view?.let {
+                it.setCurrentSemesterName(index + 1, schoolYear)
                 notifyChildrenSemesterChange()
                 loadChild(it.currentPageIndex)
             }
@@ -71,7 +77,7 @@ class GradePresenter @Inject constructor(
         view?.apply {
             showContent(true)
             showProgress(false)
-            showEmpty(false)
+            showErrorView(false)
             loadedSemesterId[currentPageIndex] = semesterId
         }
     }
@@ -80,47 +86,70 @@ class GradePresenter @Inject constructor(
         if (semesters.isNotEmpty()) loadChild(index)
     }
 
-    fun onSwipeRefresh() {
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
         loadData()
     }
 
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     private fun loadData() {
-        Timber.i("Loading grade data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getSemesters(it) }
-            .doOnSuccess {
-                it.first { item -> item.isCurrent }.also { current ->
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            delay(200)
+            semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading grade data started")
+                Status.SUCCESS -> {
+                    val current = it.data!!.getCurrentOrLast()
                     selectedIndex = if (selectedIndex == 0) current.semesterName else selectedIndex
-                    semesters = it.filter { semester -> semester.diaryId == current.diaryId }
+                    schoolYear = current.schoolYear
+                    semesters = it.data.filter { semester -> semester.diaryId == current.diaryId }
+                    view?.setCurrentSemesterName(current.semesterName, schoolYear)
+
+                    view?.run {
+                        Timber.i("Loading grade result: Attempt load index $currentPageIndex")
+                        loadChild(currentPageIndex)
+                        showErrorView(false)
+                        showSemesterSwitch(true)
+                    }
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading grade result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
                 }
             }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally { view?.showRefresh(false) }
-            .subscribe({
-                view?.run {
-                    Timber.i("Loading grade result: Attempt load index $currentPageIndex")
-                    loadChild(currentPageIndex)
-                    enableSwipe(false)
-                    showSemesterSwitch(true)
-                }
-            }) {
-                Timber.i("Loading grade result: An exception occurred")
-                errorHandler.dispatch(it)
-                view?.run {
-                    showProgress(false)
-                    showEmpty(true)
-                    enableSwipe(true)
-                }
-            })
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        lastError = error
+        view?.run {
+            showProgress(false)
+            showErrorView(true)
+            setErrorDetails(message)
+        }
     }
 
     private fun loadChild(index: Int, forceRefresh: Boolean = false) {
-        semesters.first { it.semesterName == selectedIndex }.semesterId.also {
-            if (forceRefresh || loadedSemesterId[index] != it) {
-                Timber.i("Load grade child view index: $index")
-                view?.notifyChildLoadData(index, it, forceRefresh)
-            }
+        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${semesters.joinToString { it.semesterName.toString() }}")
+
+        val newSelectedSemesterId = try {
+            semesters.first { it.semesterName == selectedIndex }.semesterId
+        } catch (e: NoSuchElementException) {
+            Timber.e(e, "Selected semester no exists")
+            return
+        }
+
+        if (forceRefresh || loadedSemesterId[index] != newSelectedSemesterId) {
+            Timber.i("Load grade child view index: $index")
+            view?.notifyChildLoadData(index, newSelectedSemesterId, forceRefresh)
         }
     }
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSortingMode.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSortingMode.kt
new file mode 100644
index 000000000..1e6b26e8c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSortingMode.kt
@@ -0,0 +1,10 @@
+package io.github.wulkanowy.ui.modules.grade
+
+enum class GradeSortingMode(val value: String) {
+    ALPHABETIC("alphabetic"),
+    DATE("date");
+
+    companion object {
+        fun getByValue(value: String) = values().firstOrNull { it.value == value } ?: ALPHABETIC
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSubject.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSubject.kt
new file mode 100644
index 000000000..ee4266c5e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeSubject.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.ui.modules.grade
+
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
+
+data class GradeSubject(
+    val subject: String,
+    val average: Double,
+    val points: String,
+    val summary: GradeSummary,
+    val grades: List<Grade>
+)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt
index a37e6d67f..104f8505a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeView.kt
@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.grade
 
+import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeView : BaseView {
@@ -12,15 +13,15 @@ interface GradeView : BaseView {
 
     fun showProgress(show: Boolean)
 
-    fun showEmpty(show: Boolean)
+    fun showErrorView(show: Boolean)
 
-    fun showRefresh(show: Boolean)
+    fun setErrorDetails(message: String)
 
     fun showSemesterSwitch(show: Boolean)
 
-    fun showSemesterDialog(selectedIndex: Int)
+    fun showSemesterDialog(selectedIndex: Int, semesters: List<Semester>)
 
-    fun enableSwipe(enable: Boolean)
+    fun setCurrentSemesterName(semester: Int, schoolYear: Int)
 
     fun notifyChildLoadData(index: Int, semesterId: Int, forceRefresh: Boolean)
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt
new file mode 100644
index 000000000..6f9321692
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsAdapter.kt
@@ -0,0 +1,190 @@
+package io.github.wulkanowy.ui.modules.grade.details
+
+import android.annotation.SuppressLint
+import android.content.res.Resources
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.NO_POSITION
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.databinding.HeaderGradeDetailsBinding
+import io.github.wulkanowy.databinding.ItemGradeDetailsBinding
+import io.github.wulkanowy.ui.base.BaseExpandableAdapter
+import io.github.wulkanowy.utils.getBackgroundColor
+import io.github.wulkanowy.utils.toFormattedString
+import timber.log.Timber
+import javax.inject.Inject
+
+class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<RecyclerView.ViewHolder>() {
+
+    private var headers = mutableListOf<GradeDetailsItem>()
+
+    private var items = mutableListOf<GradeDetailsItem>()
+
+    private var expandedPosition = NO_POSITION
+
+    private var isExpandable = false
+
+    var onClickListener: (Grade, position: Int) -> Unit = { _, _ -> }
+
+    var colorTheme = ""
+
+    fun setDataItems(data: List<GradeDetailsItem>, isExpanded: Boolean = isExpandable) {
+        headers = data.filter { it.viewType == ViewType.HEADER }.toMutableList()
+        items = if (isExpanded) headers else data.toMutableList()
+        isExpandable = isExpanded
+        expandedPosition = NO_POSITION
+    }
+
+    fun updateDetailsItem(position: Int, grade: Grade) {
+        items[position] = GradeDetailsItem(grade, ViewType.ITEM)
+        notifyItemChanged(position)
+    }
+
+    fun getHeaderItem(subject: String): GradeDetailsItem {
+        val candidates = headers.filter { (it.value as GradeDetailsHeader).subject == subject }
+
+        if (candidates.size > 1) {
+            Timber.e("Header with subject $subject found ${candidates.size} times! Expanded: $expandedPosition. Items: $candidates")
+        }
+
+        return candidates.first()
+    }
+
+    fun updateHeaderItem(item: GradeDetailsItem) {
+        val headerPosition = headers.indexOf(item)
+        val itemPosition = items.indexOf(item)
+
+        headers[headerPosition] = item
+        items[itemPosition] = item
+        notifyItemChanged(itemPosition)
+    }
+
+    fun collapseAll() {
+        if (expandedPosition != -1) {
+            refreshList(headers)
+            expandedPosition = NO_POSITION
+        }
+    }
+
+    @Synchronized
+    private fun refreshList(newItems: MutableList<GradeDetailsItem>) {
+        val diffCallback = GradeDetailsDiffUtil(items, newItems)
+        val diffResult = DiffUtil.calculateDiff(diffCallback)
+        items = newItems
+        diffResult.dispatchUpdatesTo(this)
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int) = items[position].viewType.id
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.HEADER.id -> HeaderViewHolder(HeaderGradeDetailsBinding.inflate(inflater, parent, false))
+            ViewType.ITEM.id -> ItemViewHolder(ItemGradeDetailsBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(
+                holder = holder,
+                header = items[position].value as GradeDetailsHeader,
+                position = position
+            )
+            is ItemViewHolder -> bindItemViewHolder(
+                holder = holder,
+                grade = items[position].value as Grade
+            )
+        }
+    }
+
+    private fun bindHeaderViewHolder(holder: HeaderViewHolder, header: GradeDetailsHeader, position: Int) {
+        val headerPosition = headers.indexOf(items[position])
+        val adapterPosition = holder.adapterPosition
+
+        with(holder.binding) {
+            gradeHeaderDivider.visibility = if (adapterPosition == 0) View.GONE else View.VISIBLE
+            with(gradeHeaderSubject) {
+                text = header.subject
+                maxLines = if (headerPosition == expandedPosition) 2 else 1
+            }
+            gradeHeaderAverage.text = formatAverage(header.average, root.context.resources)
+            gradeHeaderPointsSum.text = root.context.getString(R.string.grade_points_sum, header.pointsSum)
+            gradeHeaderPointsSum.visibility = if (!header.pointsSum.isNullOrEmpty()) View.VISIBLE else View.GONE
+            gradeHeaderNumber.text = root.context.resources.getQuantityString(R.plurals.grade_number_item, header.grades.size, header.grades.size)
+            gradeHeaderNote.visibility = if (header.newGrades > 0) View.VISIBLE else View.GONE
+            if (header.newGrades > 0) gradeHeaderNote.text = header.newGrades.toString(10)
+
+            gradeHeaderContainer.isEnabled = isExpandable
+            gradeHeaderContainer.setOnClickListener {
+                expandedPosition = if (expandedPosition == adapterPosition) -1 else adapterPosition
+
+                if (expandedPosition != NO_POSITION) {
+                    refreshList(headers.toMutableList().apply {
+                        addAll(headerPosition + 1, header.grades)
+                    })
+                    scrollToHeaderWithSubItems(headerPosition, header.grades.size)
+                } else {
+                    refreshList(headers)
+                }
+            }
+        }
+    }
+
+    private fun formatAverage(average: Double?, resources: Resources): String {
+        return if (average == null || average == .0) resources.getString(R.string.grade_no_average)
+        else resources.getString(R.string.grade_average, average)
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun bindItemViewHolder(holder: ItemViewHolder, grade: Grade) {
+        with(holder.binding) {
+            gradeItemValue.run {
+                text = grade.entry
+                setBackgroundResource(grade.getBackgroundColor(colorTheme))
+            }
+            gradeItemDescription.text = when {
+                grade.description.isNotBlank() -> grade.description
+                grade.gradeSymbol.isNotBlank() -> grade.gradeSymbol
+                else -> root.context.getString(R.string.all_no_description)
+            }
+            gradeItemDate.text = grade.date.toFormattedString()
+            gradeItemWeight.text = "${root.context.getString(R.string.grade_weight)}: ${grade.weight}"
+            gradeItemNote.visibility = if (!grade.isRead) View.VISIBLE else View.GONE
+
+            root.setOnClickListener {
+                holder.adapterPosition.let { if (it != NO_POSITION) onClickListener(grade, it) }
+            }
+        }
+    }
+
+    private class HeaderViewHolder(val binding: HeaderGradeDetailsBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class ItemViewHolder(val binding: ItemGradeDetailsBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class GradeDetailsDiffUtil(private val old: List<GradeDetailsItem>, private val new: List<GradeDetailsItem>) :
+        DiffUtil.Callback() {
+
+        override fun getOldListSize() = old.size
+
+        override fun getNewListSize() = new.size
+
+        override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return old[oldItemPosition] == new[newItemPosition]
+        }
+
+        override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return old[oldItemPosition] == new[newItemPosition]
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsDialog.kt
index 0abeaeea0..286194464 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsDialog.kt
@@ -8,29 +8,34 @@ import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.databinding.DialogGradeBinding
 import io.github.wulkanowy.utils.colorStringId
 import io.github.wulkanowy.utils.getBackgroundColor
+import io.github.wulkanowy.utils.getGradeColor
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_grade.*
 
 class GradeDetailsDialog : DialogFragment() {
 
+    private var binding: DialogGradeBinding by lifecycleAwareVariable()
+
     private lateinit var grade: Grade
 
     private lateinit var colorScheme: String
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
+
         private const val COLOR_SCHEME_KEY = "Scheme"
 
-        fun newInstance(grade: Grade, colorScheme: String): GradeDetailsDialog {
-            return GradeDetailsDialog().apply {
+        fun newInstance(grade: Grade, colorScheme: String) =
+            GradeDetailsDialog().apply {
                 arguments = Bundle().apply {
                     putSerializable(ARGUMENT_KEY, grade)
                     putString(COLOR_SCHEME_KEY, colorScheme)
                 }
             }
-        }
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -42,43 +47,52 @@ class GradeDetailsDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_grade, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogGradeBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        gradeDialogSubject.text = grade.subject
-        gradeDialogWeightValue.text = grade.weight
-        gradeDialogDateValue.text = grade.date.toFormattedString()
-        gradeDialogColorValue.text = getString(grade.colorStringId)
+        with(binding) {
+            gradeDialogSubject.text = grade.subject
 
-        gradeDialogCommentValue.apply {
-            if (grade.comment.isBlank()) {
-                visibility = GONE
-                gradeDialogComment.visibility = GONE
-            } else text = grade.comment
-        }
-
-        gradeDialogValue.run {
-            text = grade.entry
-            setBackgroundResource(grade.getBackgroundColor(colorScheme))
-        }
-
-        gradeDialogTeacherValue.text = if (grade.teacher.isBlank()) {
-            getString(R.string.all_no_data)
-        } else grade.teacher
-
-        gradeDialogDescriptionValue.text = grade.run {
-            when {
-                description.isBlank() && gradeSymbol.isNotBlank() -> gradeSymbol
-                description.isBlank() && gradeSymbol.isBlank() -> getString(R.string.all_no_description)
-                gradeSymbol.isNotBlank() && description.isNotBlank() -> "$gradeSymbol - $description"
-                else -> description
+            gradeDialogColorAndWeightValue.run {
+                text = context.getString(R.string.grade_weight_value, grade.weight)
+                setBackgroundResource(grade.getGradeColor())
             }
-        }
 
-        gradeDialogClose.setOnClickListener { dismiss() }
+            gradeDialogDateValue.text = grade.date.toFormattedString()
+            gradeDialogColorValue.text = getString(grade.colorStringId)
+
+            gradeDialogCommentValue.apply {
+                if (grade.comment.isBlank()) {
+                    visibility = GONE
+                    gradeDialogComment.visibility = GONE
+                } else text = grade.comment
+            }
+
+            gradeDialogValue.run {
+                text = grade.entry
+                setBackgroundResource(grade.getBackgroundColor(colorScheme))
+            }
+
+            gradeDialogTeacherValue.text = if (grade.teacher.isBlank()) {
+                getString(R.string.all_no_data)
+            } else grade.teacher
+
+            gradeDialogDescriptionValue.text = grade.run {
+                when {
+                    description.isBlank() && gradeSymbol.isNotBlank() -> gradeSymbol
+                    description.isBlank() && gradeSymbol.isBlank() -> getString(R.string.all_no_description)
+                    gradeSymbol.isNotBlank() && description.isNotBlank() -> "$gradeSymbol - $description"
+                    else -> description
+                }
+            }
+
+            gradeDialogClose.setOnClickListener { dismiss() }
+        }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsFragment.kt
index d50fd0575..9d4da767d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsFragment.kt
@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.grade.details
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
@@ -9,83 +8,70 @@ import android.view.View
 import android.view.View.GONE
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IExpandable
-import eu.davidea.flexibleadapter.items.IFlexible
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.databinding.FragmentGradeDetailsBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.grade.GradeView
 import io.github.wulkanowy.ui.modules.main.MainActivity
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_grade_details.*
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeChildView {
+@AndroidEntryPoint
+class GradeDetailsFragment :
+    BaseFragment<FragmentGradeDetailsBinding>(R.layout.fragment_grade_details), GradeDetailsView,
+    GradeView.GradeChildView {
 
     @Inject
     lateinit var presenter: GradeDetailsPresenter
 
     @Inject
-    lateinit var gradeDetailsAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var gradeDetailsAdapter: GradeDetailsAdapter
+
+    private var gradeDetailsMenu: Menu? = null
 
     companion object {
         fun newInstance() = GradeDetailsFragment()
     }
 
-    override val emptyAverageString: String
-        get() = getString(R.string.grade_no_average)
-
-    override val averageString: String
-        get() = getString(R.string.grade_average)
-
-    override val weightString: String
-        get() = getString(R.string.grade_weight)
-
-    override val noDescriptionString: String
-        get() = getString(R.string.all_no_description)
-
     override val isViewEmpty
-        get() = gradeDetailsAdapter.isEmpty
+        get() = gradeDetailsAdapter.itemCount == 0
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_grade_details, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = gradeDetailsRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentGradeDetailsBinding.bind(view)
+        messageContainer = binding.gradeDetailsRecycler
         presenter.onAttachView(this)
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         inflater.inflate(R.menu.action_menu_grade_details, menu)
+        gradeDetailsMenu = menu
+        presenter.updateMarkAsDoneButton()
     }
 
     override fun initView() {
-        gradeDetailsAdapter.run {
-            isAutoCollapseOnExpand = true
-            isAutoScrollOnExpand = true
-            setOnItemClickListener { presenter.onGradeItemSelected(it) }
-        }
+        gradeDetailsAdapter.onClickListener = presenter::onGradeItemSelected
 
-        gradeDetailsRecycler.run {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
-            adapter = gradeDetailsAdapter
-            addItemDecoration(GradeDetailsHeaderItemDecoration(context)
-                .withDefaultDivider(R.layout.header_grade_details)
-            )
+        with(binding) {
+            with(gradeDetailsRecycler) {
+                layoutManager = LinearLayoutManager(context)
+                adapter = gradeDetailsAdapter
+            }
+            gradeDetailsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            gradeDetailsSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            gradeDetailsSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            gradeDetailsErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeDetailsErrorDetails.setOnClickListener { presenter.onDetailsClick() }
         }
-        gradeDetailsSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -93,16 +79,23 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
         else false
     }
 
-    override fun updateData(data: List<GradeDetailsHeader>) {
-        gradeDetailsAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<GradeDetailsItem>, isGradeExpandable: Boolean, gradeColorTheme: String) {
+        with(gradeDetailsAdapter) {
+            colorTheme = gradeColorTheme
+            setDataItems(data, isGradeExpandable)
+            notifyDataSetChanged()
+        }
     }
 
-    override fun updateItem(item: AbstractFlexibleItem<*>) {
-        gradeDetailsAdapter.updateItem(item)
+    override fun updateItem(item: Grade, position: Int) {
+        gradeDetailsAdapter.updateDetailsItem(position, item)
     }
 
     override fun clearView() {
-        gradeDetailsAdapter.clear()
+        with(gradeDetailsAdapter) {
+            setDataItems(mutableListOf())
+            notifyDataSetChanged()
+        }
     }
 
     override fun collapseAllItems() {
@@ -110,35 +103,43 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
     }
 
     override fun scrollToStart() {
-        gradeDetailsRecycler.scrollToPosition(0)
+        binding.gradeDetailsRecycler.smoothScrollToPosition(0)
     }
 
-    override fun getHeaderOfItem(item: AbstractFlexibleItem<*>): IExpandable<*, out IFlexible<*>>? {
-        return gradeDetailsAdapter.getExpandableOf(item)
+    override fun getHeaderOfItem(subject: String): GradeDetailsItem {
+        return gradeDetailsAdapter.getHeaderItem(subject)
     }
 
-    override fun getGradeNumberString(number: Int): String {
-        return resources.getQuantityString(R.plurals.grade_number_item, number, number)
+    override fun updateHeaderItem(item: GradeDetailsItem) {
+        gradeDetailsAdapter.updateHeaderItem(item)
     }
 
     override fun showProgress(show: Boolean) {
-        gradeDetailsProgress.visibility = if (show) VISIBLE else GONE
+        binding.gradeDetailsProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        gradeDetailsSwipe.isEnabled = enable
+        binding.gradeDetailsSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        gradeDetailsRecycler.visibility = if (show) VISIBLE else INVISIBLE
+        binding.gradeDetailsRecycler.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showEmpty(show: Boolean) {
-        gradeDetailsEmpty.visibility = if (show) VISIBLE else INVISIBLE
+        binding.gradeDetailsEmpty.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.gradeDetailsError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.gradeDetailsErrorMessage.text = message
     }
 
     override fun showRefresh(show: Boolean) {
-        gradeDetailsSwipe.isRefreshing = show
+        binding.gradeDetailsSwipe.isRefreshing = show
     }
 
     override fun showGradeDialog(grade: Grade, colorScheme: String) {
@@ -165,8 +166,12 @@ class GradeDetailsFragment : BaseFragment(), GradeDetailsView, GradeView.GradeCh
         (parentFragment as? GradeFragment)?.onChildRefresh()
     }
 
+    override fun enableMarkAsDoneButton(enable: Boolean) {
+        gradeDetailsMenu?.findItem(R.id.gradeDetailsMenuRead)?.isEnabled = enable
+    }
+
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeader.kt
deleted file mode 100644
index e5f6e8249..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeader.kt
+++ /dev/null
@@ -1,90 +0,0 @@
-package io.github.wulkanowy.ui.modules.grade.details
-
-import android.view.View
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractExpandableItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.ExpandableViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.header_grade_details.*
-
-class GradeDetailsHeader(
-    private val subject: String,
-    private val number: String,
-    private val average: String,
-    var newGrades: Int,
-    private val isExpandable: Boolean
-) : AbstractExpandableItem<GradeDetailsHeader.ViewHolder, GradeDetailsItem>() {
-
-    init {
-        isExpanded = !isExpandable
-    }
-
-    override fun getLayoutRes() = R.layout.header_grade_details
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.run {
-            gradeHeaderSubject.apply {
-                text = subject
-                maxLines = if (isExpanded) 2 else 1
-            }
-            gradeHeaderAverage.text = average
-            gradeHeaderNumber.text = number
-            gradeHeaderNote.visibility = if (newGrades > 0) VISIBLE else GONE
-            gradeHeaderContainer.isEnabled = isExpandable
-
-            isViewExpandable = isExpandable
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as GradeDetailsHeader
-
-        if (subject != other.subject) return false
-        if (number != other.number) return false
-        if (average != other.average) return false
-        if (isExpandable != other.isExpandable) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = subject.hashCode()
-        result = 31 * result + number.hashCode()
-        result = 31 * result + average.hashCode()
-        result = 31 * result + isExpandable.hashCode()
-        return result
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) :
-        ExpandableViewHolder(view, adapter), LayoutContainer {
-
-        var isViewExpandable = true
-
-        init {
-            contentView.setOnClickListener(this)
-        }
-
-        override val containerView: View
-            get() = contentView
-
-        override fun isViewCollapsibleOnClick() = isViewExpandable
-
-        override fun isViewExpandableOnClick() = isViewExpandable
-
-        override fun onClick(view: View?) {
-            super.onClick(view)
-            mAdapter.getItem(adapterPosition)?.let { mAdapter.updateItem(it) }
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeaderItemDecoration.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeaderItemDecoration.kt
deleted file mode 100644
index 39a911e62..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsHeaderItemDecoration.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-package io.github.wulkanowy.ui.modules.grade.details
-
-import android.content.Context
-import android.graphics.Canvas
-import androidx.recyclerview.widget.RecyclerView
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-
-class GradeDetailsHeaderItemDecoration(context: Context) : FlexibleItemDecoration(context) {
-
-    override fun drawVertical(canvas: Canvas, parent: RecyclerView) {
-        canvas.save()
-        val left: Int
-        val right: Int
-        if (parent.clipToPadding) {
-            left = parent.paddingLeft
-            right = parent.width - parent.paddingRight
-            canvas.clipRect(left, parent.paddingTop, right,
-                parent.height - parent.paddingBottom)
-        } else {
-            left = 0
-            right = parent.width
-        }
-
-        val itemCount = parent.childCount
-        for (i in 1 until itemCount) {
-            val child = parent.getChildAt(i)
-            val viewHolder = parent.getChildViewHolder(child)
-            if (shouldDrawDivider(viewHolder)) {
-                parent.getDecoratedBoundsWithMargins(child, mBounds)
-                val bottom = mBounds.top + Math.round(child.translationY)
-                val top = bottom - mDivider.intrinsicHeight
-                mDivider.setBounds(left, top, right, bottom)
-                mDivider.draw(canvas)
-            }
-        }
-        canvas.restore()
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
index 1e47eca5d..479aff801 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsItem.kt
@@ -1,74 +1,20 @@
 package io.github.wulkanowy.ui.modules.grade.details
 
-import android.annotation.SuppressLint
-import android.view.View
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_grade_details.*
-
-class GradeDetailsItem(
-    val grade: Grade,
-    private val valueBgColor: Int,
-    private val weightString: String,
-    private val noDescriptionString: String
-) : AbstractFlexibleItem<GradeDetailsItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_grade_details
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.run {
-            gradeItemValue.run {
-                text = grade.entry
-                setBackgroundResource(valueBgColor)
-            }
-            gradeItemDescription.text = when {
-                grade.description.isNotBlank() -> grade.description
-                grade.gradeSymbol.isNotBlank() -> grade.gradeSymbol
-                else -> noDescriptionString
-            }
-            gradeItemDate.text = grade.date.toFormattedString()
-            gradeItemWeight.text = "$weightString: ${grade.weight}"
-            gradeItemNote.visibility = if (!grade.isRead) VISIBLE else GONE
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as GradeDetailsItem
-
-        if (grade != other.grade) return false
-        if (grade.id != other.grade.id) return false
-        if (weightString != other.weightString) return false
-        if (valueBgColor != other.valueBgColor) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = grade.hashCode()
-        result = 31 * result + grade.id.toInt()
-        result = 31 * result + weightString.hashCode()
-        result = 31 * result + valueBgColor
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
+enum class ViewType(val id: Int) {
+    HEADER(1),
+    ITEM(2)
+}
+
+data class GradeDetailsItem(
+    val value: Any,
+    val viewType: ViewType
+)
+
+data class GradeDetailsHeader(
+    val subject: String,
+    val average: Double?,
+    val pointsSum: String?,
+    val grades: List<GradeDetailsItem>
+) {
+    var newGrades = 0
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
index 29911a541..6d86c7bb2 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
@@ -1,82 +1,96 @@
 package io.github.wulkanowy.ui.modules.grade.details
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import android.annotation.SuppressLint
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.repositories.grade.GradeRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.GradeRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.getBackgroundColor
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.ALPHABETIC
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.DATE
+import io.github.wulkanowy.ui.modules.grade.GradeSubject
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class GradeDetailsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val gradeRepository: GradeRepository,
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository) {
+
+    private var newGradesAmount: Int = 0
 
     private var currentSemesterId = 0
 
+    private lateinit var lastError: Throwable
+
     override fun onAttachView(view: GradeDetailsView) {
         super.onAttachView(view)
         view.initView()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
     }
 
     fun onParentViewLoadData(semesterId: Int, forceRefresh: Boolean) {
         currentSemesterId = semesterId
+
         loadData(semesterId, forceRefresh)
+        if (!forceRefresh) view?.showErrorView(false)
     }
 
-    fun onGradeItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is GradeDetailsItem) {
-            Timber.i("Select grade item ${item.grade.id}")
-            view?.apply {
-                showGradeDialog(item.grade, preferencesRepository.gradeColorTheme)
-                if (!item.grade.isRead) {
-                    item.grade.isRead = true
-                    updateItem(item)
-                    getHeaderOfItem(item)?.let { header ->
-                        if (header is GradeDetailsHeader) {
-                            header.newGrades--
-                            updateItem(header)
-                        }
-                    }
-                    updateGrade(item.grade)
+    fun onGradeItemSelected(grade: Grade, position: Int) {
+        Timber.i("Select grade item ${grade.id}, position: $position")
+        view?.apply {
+            showGradeDialog(grade, preferencesRepository.gradeColorTheme)
+            if (!grade.isRead) {
+                grade.isRead = true
+                updateItem(grade, position)
+                getHeaderOfItem(grade.subject).let { header ->
+                    (header.value as GradeDetailsHeader).newGrades--
+                    updateHeaderItem(header)
                 }
+                newGradesAmount--
+                updateMarkAsDoneButton()
+                updateGrade(grade)
             }
         }
     }
 
     fun onMarkAsReadSelected(): Boolean {
-        Timber.i("Select mark grades as read")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getSemesters(it) }
-            .flatMap { gradeRepository.getUnreadGrades(it.first { item -> item.semesterId == currentSemesterId }) }
-            .map { it.map { grade -> grade.apply { isRead = true } } }
-            .flatMapCompletable {
-                Timber.i("Mark as read ${it.size} grades")
-                gradeRepository.updateGrades(it)
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            val semesters = semesterRepository.getSemesters(student)
+            val semester = semesters.first { item -> item.semesterId == currentSemesterId }
+            val unreadGrades = gradeRepository.getUnreadGrades(semester).first()
+
+            Timber.i("Mark as read ${unreadGrades.size} grades")
+            gradeRepository.updateGrades(unreadGrades.map { it.apply { isRead = true } })
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Select mark grades as read")
+                Status.SUCCESS -> {
+                    Timber.i("Mark as read result: Success")
+                    loadData(currentSemesterId, false)
+                }
+                Status.ERROR -> {
+                    Timber.i("Mark as read result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
             }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                Timber.i("Mark as read result: Success")
-                loadData(currentSemesterId, false)
-            }, {
-                Timber.i("Mark as read result: An exception occurred")
-                errorHandler.dispatch(it)
-            }))
+        }.launch("mark")
         return true
     }
 
@@ -85,6 +99,18 @@ class GradeDetailsPresenter @Inject constructor(
         view?.notifyParentRefresh()
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        view?.notifyParentRefresh()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onParentViewReselected() {
         view?.run {
             if (!isViewEmpty) {
@@ -103,90 +129,134 @@ class GradeDetailsPresenter @Inject constructor(
             showEmpty(false)
             clearView()
         }
-        disposable.clear()
+        cancelJobs("load")
+    }
+
+    fun updateMarkAsDoneButton() {
+        view?.enableMarkAsDoneButton(newGradesAmount > 0)
     }
 
     private fun loadData(semesterId: Int, forceRefresh: Boolean) {
         Timber.i("Loading grade details data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getSemesters(it).map { semester -> it to semester } }
-            .flatMap { (student, semesters) ->
-                averageProvider.getGradeAverage(student, semesters, semesterId, forceRefresh)
-                    .flatMap { averages ->
-                        gradeRepository.getGrades(student, semesters.first { it.semesterId == semesterId }, forceRefresh)
-                            .map { it.sortedByDescending { grade -> grade.date } }
-                            .map { it.groupBy { grade -> grade.subject }.toSortedMap() }
-                            .map { createGradeItems(it, averages) }
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            averageProvider.getGradesDetailsWithAverage(student, semesterId, forceRefresh)
+        }.onEach {
+            Timber.d("Loading grade details status: ${it.status}, data: ${it.data != null}")
+            when (it.status) {
+                Status.LOADING -> {
+                    val items = createGradeItems(it.data.orEmpty())
+                    if (items.isNotEmpty()) {
+                        Timber.i("Loading grade details result: load cached data")
+                        view?.run {
+                            updateNewGradesAmount(it.data.orEmpty())
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showEmpty(false)
+                            showContent(true)
+                            updateData(
+                                data = items,
+                                isGradeExpandable = preferencesRepository.isGradeExpandable,
+                                gradeColorTheme = preferencesRepository.gradeColorTheme
+                            )
+                            notifyParentDataLoaded(semesterId)
+                        }
                     }
-            }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    showRefresh(false)
-                    showProgress(false)
-                    enableSwipe(true)
-                    notifyParentDataLoaded(semesterId)
                 }
-            }
-            .subscribe({
-                Timber.i("Loading grade details result: Success")
-                view?.run {
-                    showEmpty(it.isEmpty())
-                    showContent(it.isNotEmpty())
-                    updateData(it)
-                }
-                analytics.logEvent("load_grade_details", "items" to it.size, "force_refresh" to forceRefresh)
-            }) {
-                Timber.i("Loading grade details result: An exception occurred")
-                view?.run { showEmpty(isViewEmpty) }
-                errorHandler.dispatch(it)
-            })
-    }
-
-    private fun createGradeItems(items: Map<String, List<Grade>>, averages: Map<String, Double>): List<GradeDetailsHeader> {
-        val isGradeExpandable = preferencesRepository.isGradeExpandable
-        val gradeColorTheme = preferencesRepository.gradeColorTheme
-
-        val noDescriptionString = view?.noDescriptionString.orEmpty()
-        val weightString = view?.weightString.orEmpty()
-
-        return items.map {
-            GradeDetailsHeader(
-                subject = it.key,
-                average = formatAverage(averages[it.key]),
-                number = view?.getGradeNumberString(it.value.size).orEmpty(),
-                newGrades = it.value.filter { grade -> !grade.isRead }.size,
-                isExpandable = isGradeExpandable
-            ).apply {
-                subItems = it.value.map { item ->
-                    GradeDetailsItem(
-                        grade = item,
-                        valueBgColor = item.getBackgroundColor(gradeColorTheme),
-                        weightString = weightString,
-                        noDescriptionString = noDescriptionString
+                Status.SUCCESS -> {
+                    Timber.i("Loading grade details result: Success")
+                    updateNewGradesAmount(it.data!!)
+                    updateMarkAsDoneButton()
+                    val items = createGradeItems(it.data)
+                    view?.run {
+                        showEmpty(items.isEmpty())
+                        showErrorView(false)
+                        showContent(items.isNotEmpty())
+                        updateData(
+                            data = items,
+                            isGradeExpandable = preferencesRepository.isGradeExpandable,
+                            gradeColorTheme = preferencesRepository.gradeColorTheme
+                        )
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "grade_details",
+                        "items" to it.data.size
                     )
                 }
+                Status.ERROR -> {
+                    Timber.i("Loading grade details result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
             }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded(semesterId)
+            }
+        }.launch()
+    }
+
+    private fun updateNewGradesAmount(grades: List<GradeSubject>) {
+        newGradesAmount =
+            grades.sumBy { item -> item.grades.sumBy { grade -> if (!grade.isRead) 1 else 0 } }
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun formatAverage(average: Double?): String {
-        return view?.run {
-            if (average == null || average == .0) emptyAverageString
-            else averageString.format(average)
-        }.orEmpty()
+    @SuppressLint("DefaultLocale")
+    private fun createGradeItems(items: List<GradeSubject>): List<GradeDetailsItem> {
+        return items
+            .let { gradesWithAverages ->
+                if (!preferencesRepository.showSubjectsWithoutGrades) {
+                    gradesWithAverages.filter { it.grades.isNotEmpty() }
+                } else gradesWithAverages
+            }
+            .let {
+                when (preferencesRepository.gradeSortingMode) {
+                    DATE -> it.sortedByDescending { gradeDetailsWithAverage -> gradeDetailsWithAverage.grades.firstOrNull()?.date }
+                    ALPHABETIC -> it.sortedBy { gradeDetailsWithAverage -> gradeDetailsWithAverage.subject.toLowerCase() }
+                }
+            }
+            .map { (subject, average, points, _, grades) ->
+                val subItems = grades
+                    .sortedByDescending { it.date }
+                    .map { GradeDetailsItem(it, ViewType.ITEM) }
+
+                listOf(GradeDetailsItem(GradeDetailsHeader(
+                    subject = subject,
+                    average = average,
+                    pointsSum = points,
+                    grades = subItems
+                ).apply {
+                    newGrades = grades.filter { grade -> !grade.isRead }.size
+                }, ViewType.HEADER)) + if (preferencesRepository.isGradeExpandable) emptyList() else subItems
+            }.flatten()
     }
 
     private fun updateGrade(grade: Grade) {
-        Timber.i("Attempt to update grade ${grade.id}")
-        disposable.add(gradeRepository.updateGrade(grade)
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({ Timber.i("Update grade result: Success") })
-            { error ->
-                Timber.i("Update grade result: An exception occurred")
-                errorHandler.dispatch(error)
-            })
+        flowWithResource { gradeRepository.updateGrade(grade) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Attempt to update grade ${grade.id}")
+                Status.SUCCESS -> Timber.i("Update grade result: Success")
+                Status.ERROR -> {
+                    Timber.i("Update grade result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("update")
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsView.kt
index 88b83bda9..e71fcc3c8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsView.kt
@@ -1,8 +1,5 @@
 package io.github.wulkanowy.ui.modules.grade.details
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IExpandable
-import eu.davidea.flexibleadapter.items.IFlexible
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.ui.base.BaseView
 
@@ -10,19 +7,13 @@ interface GradeDetailsView : BaseView {
 
     val isViewEmpty: Boolean
 
-    val emptyAverageString: String
-
-    val averageString: String
-
-    val weightString: String
-
-    val noDescriptionString: String
-
     fun initView()
 
-    fun updateData(data: List<GradeDetailsHeader>)
+    fun updateData(data: List<GradeDetailsItem>, isGradeExpandable: Boolean, gradeColorTheme: String)
 
-    fun updateItem(item: AbstractFlexibleItem<*>)
+    fun updateItem(item: Grade, position: Int)
+
+    fun updateHeaderItem(item: GradeDetailsItem)
 
     fun clearView()
 
@@ -38,6 +29,10 @@ interface GradeDetailsView : BaseView {
 
     fun showProgress(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun enableSwipe(enable: Boolean)
 
     fun showRefresh(show: Boolean)
@@ -46,7 +41,7 @@ interface GradeDetailsView : BaseView {
 
     fun notifyParentRefresh()
 
-    fun getGradeNumberString(number: Int): String
+    fun enableMarkAsDoneButton(enable: Boolean)
 
-    fun getHeaderOfItem(item: AbstractFlexibleItem<*>): IExpandable<*, out IFlexible<*>>?
+    fun getHeaderOfItem(subject: String): GradeDetailsItem
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsAdapter.kt
new file mode 100644
index 000000000..bf0b20142
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsAdapter.kt
@@ -0,0 +1,304 @@
+package io.github.wulkanowy.ui.modules.grade.statistics
+
+import android.graphics.Color
+import android.view.LayoutInflater
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import androidx.core.content.ContextCompat
+import androidx.recyclerview.widget.RecyclerView
+import com.github.mikephil.charting.components.Legend
+import com.github.mikephil.charting.components.LegendEntry
+import com.github.mikephil.charting.data.BarData
+import com.github.mikephil.charting.data.BarDataSet
+import com.github.mikephil.charting.data.BarEntry
+import com.github.mikephil.charting.data.PieData
+import com.github.mikephil.charting.data.PieDataSet
+import com.github.mikephil.charting.data.PieEntry
+import com.github.mikephil.charting.formatter.ValueFormatter
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import io.github.wulkanowy.data.db.entities.GradePointsStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+import io.github.wulkanowy.data.pojos.GradeStatisticsItem
+import io.github.wulkanowy.databinding.ItemGradeStatisticsBarBinding
+import io.github.wulkanowy.databinding.ItemGradeStatisticsHeaderBinding
+import io.github.wulkanowy.databinding.ItemGradeStatisticsPieBinding
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+class GradeStatisticsAdapter @Inject constructor() :
+    RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    var currentDataType = GradeStatisticsItem.DataType.PARTIAL
+
+    var items = emptyList<GradeStatisticsItem>()
+
+    var theme: String = "vulcan"
+
+    var showAllSubjectsOnList: Boolean = false
+
+    var onDataTypeChangeListener: () -> Unit = {}
+
+    private val vulcanGradeColors = listOf(
+        6 to R.color.grade_vulcan_six,
+        5 to R.color.grade_vulcan_five,
+        4 to R.color.grade_vulcan_four,
+        3 to R.color.grade_vulcan_three,
+        2 to R.color.grade_vulcan_two,
+        1 to R.color.grade_vulcan_one
+    )
+
+    private val materialGradeColors = listOf(
+        6 to R.color.grade_material_six,
+        5 to R.color.grade_material_five,
+        4 to R.color.grade_material_four,
+        3 to R.color.grade_material_three,
+        2 to R.color.grade_material_two,
+        1 to R.color.grade_material_one
+    )
+
+    private val gradePointsColors = listOf(
+        Color.parseColor("#37c69c"),
+        Color.parseColor("#d8b12a")
+    )
+
+    private val gradeLabels = listOf(
+        "6, 6-", "5, 5-, 5+", "4, 4-, 4+", "3, 3-, 3+", "2, 2-, 2+", "1, 1+"
+    )
+
+    override fun getItemCount() =
+        (if (showAllSubjectsOnList) items.size else (if (items.isEmpty()) 0 else 1)) + 1
+
+    override fun getItemViewType(position: Int) =
+        if (position == 0) {
+            ViewType.HEADER.id
+        } else {
+            when (items[position - 1].type) {
+                GradeStatisticsItem.DataType.PARTIAL -> ViewType.PARTIAL.id
+                GradeStatisticsItem.DataType.POINTS -> ViewType.POINTS.id
+                GradeStatisticsItem.DataType.SEMESTER -> ViewType.SEMESTER.id
+            }
+        }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+        return when (viewType) {
+            ViewType.PARTIAL.id -> PartialViewHolder(
+                ItemGradeStatisticsPieBinding.inflate(inflater, parent, false)
+            )
+            ViewType.SEMESTER.id -> SemesterViewHolder(
+                ItemGradeStatisticsPieBinding.inflate(inflater, parent, false)
+            )
+            ViewType.POINTS.id -> PointsViewHolder(
+                ItemGradeStatisticsBarBinding.inflate(inflater, parent, false)
+            )
+            ViewType.HEADER.id -> HeaderViewHolder(
+                ItemGradeStatisticsHeaderBinding.inflate(inflater, parent, false)
+            )
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val index = position - 1
+
+        when (holder) {
+            is PartialViewHolder -> bindPartialChart(holder.binding, items[index].partial!!)
+            is SemesterViewHolder -> bindSemesterChart(holder.binding, items[index].semester!!)
+            is PointsViewHolder -> bindBarChart(holder.binding, items[index].points!!)
+            is HeaderViewHolder -> bindHeader(holder.binding)
+        }
+    }
+
+    private fun bindHeader(binding: ItemGradeStatisticsHeaderBinding) {
+        binding.gradeStatisticsTypeSwitch.check(
+            when (currentDataType) {
+                GradeStatisticsItem.DataType.PARTIAL -> R.id.gradeStatisticsTypePartial
+                GradeStatisticsItem.DataType.SEMESTER -> R.id.gradeStatisticsTypeSemester
+                GradeStatisticsItem.DataType.POINTS -> R.id.gradeStatisticsTypePoints
+            }
+        )
+
+        binding.gradeStatisticsTypeSwitch.setOnCheckedChangeListener { _, checkedId ->
+            currentDataType = when (checkedId) {
+                R.id.gradeStatisticsTypePartial -> GradeStatisticsItem.DataType.PARTIAL
+                R.id.gradeStatisticsTypeSemester -> GradeStatisticsItem.DataType.SEMESTER
+                R.id.gradeStatisticsTypePoints -> GradeStatisticsItem.DataType.POINTS
+                else -> GradeStatisticsItem.DataType.PARTIAL
+            }
+            onDataTypeChangeListener()
+        }
+    }
+
+    private fun bindPartialChart(
+        binding: ItemGradeStatisticsPieBinding,
+        partials: GradePartialStatistics
+    ) {
+        bindPieChart(binding, partials.subject, partials.classAverage, partials.classAmounts)
+    }
+
+    private fun bindSemesterChart(
+        binding: ItemGradeStatisticsPieBinding,
+        semester: GradeSemesterStatistics
+    ) {
+        bindPieChart(binding, semester.subject, semester.average, semester.amounts)
+    }
+
+    private fun bindPieChart(
+        binding: ItemGradeStatisticsPieBinding,
+        subject: String,
+        average: String,
+        amounts: List<Int>
+    ) {
+        with(binding.gradeStatisticsPieTitle) {
+            text = subject
+            visibility = if (items.size == 1 || !showAllSubjectsOnList) GONE else VISIBLE
+        }
+
+        val gradeColors = when (theme) {
+            "vulcan" -> vulcanGradeColors
+            else -> materialGradeColors
+        }
+
+        val dataset = PieDataSet(
+            amounts.mapIndexed { grade, amount ->
+                PieEntry(amount.toFloat(), (grade + 1).toString())
+            }.reversed().filterNot { it.value == 0f },
+            binding.root.context.getString(R.string.grade_statistics_legend)
+        )
+
+        with(dataset) {
+            valueTextSize = 12f
+            sliceSpace = 1f
+            valueTextColor = Color.WHITE
+            val grades = amounts.mapIndexed { grade, amount -> (grade + 1) to amount }
+                .filterNot { it.second == 0 }
+            setColors(grades.reversed().map { (grade, _) ->
+                gradeColors.single { color -> color.first == grade }.second
+            }.toIntArray(), binding.root.context)
+        }
+
+        with(binding.gradeStatisticsPie) {
+            setTouchEnabled(false)
+            if (amounts.size == 1) animateXY(1000, 1000)
+            data = PieData(dataset).apply {
+                setValueFormatter(object : ValueFormatter() {
+                    override fun getPieLabel(value: Float, pieEntry: PieEntry): String {
+                        return resources.getQuantityString(
+                            R.plurals.grade_number_item,
+                            value.toInt(),
+                            value.toInt()
+                        )
+                    }
+                })
+            }
+            with(legend) {
+                textColor = context.getThemeAttrColor(android.R.attr.textColorPrimary)
+                setCustom(gradeLabels.mapIndexed { i, it ->
+                    LegendEntry().apply {
+                        label = it
+                        formColor = ContextCompat.getColor(context, gradeColors[i].second)
+                        form = Legend.LegendForm.SQUARE
+                    }
+                })
+            }
+
+            val numberOfGradesString = amounts.fold(0) { acc, it -> acc + it }
+                .let { resources.getQuantityString(R.plurals.grade_number_item, it, it) }
+            val averageString =
+                binding.root.context.getString(R.string.grade_statistics_average, average)
+
+            minAngleForSlices = 25f
+            description.isEnabled = false
+            centerText =
+                numberOfGradesString + ("\n\n" + averageString).takeIf { average.isNotBlank() }
+                    .orEmpty()
+
+            setHoleColor(context.getThemeAttrColor(android.R.attr.windowBackground))
+            setCenterTextColor(context.getThemeAttrColor(android.R.attr.textColorPrimary))
+            invalidate()
+        }
+    }
+
+    private fun bindBarChart(
+        binding: ItemGradeStatisticsBarBinding,
+        points: GradePointsStatistics
+    ) {
+        with(binding.gradeStatisticsBarTitle) {
+            text = points.subject
+            visibility = if (items.size == 1) GONE else VISIBLE
+        }
+
+        val dataset = BarDataSet(
+            listOf(
+                BarEntry(1f, points.others.toFloat()),
+                BarEntry(2f, points.student.toFloat())
+            ), binding.root.context.getString(R.string.grade_statistics_legend)
+        )
+
+        with(dataset) {
+            valueTextSize = 12f
+            valueTextColor = binding.root.context.getThemeAttrColor(android.R.attr.textColorPrimary)
+            valueFormatter = object : ValueFormatter() {
+                override fun getBarLabel(barEntry: BarEntry) = "${barEntry.y}%"
+            }
+            colors = gradePointsColors
+        }
+
+        with(binding.gradeStatisticsBar) {
+            setTouchEnabled(false)
+            if (items.size == 1) animateXY(1000, 1000)
+            data = BarData(dataset).apply {
+                barWidth = 0.5f
+                setFitBars(true)
+            }
+            legend.setCustom(listOf(
+                LegendEntry().apply {
+                    label = binding.root.context.getString(R.string.grade_statistics_average_class)
+                    formColor = gradePointsColors[0]
+                    form = Legend.LegendForm.SQUARE
+                },
+                LegendEntry().apply {
+                    label =
+                        binding.root.context.getString(R.string.grade_statistics_average_student)
+                    formColor = gradePointsColors[1]
+                    form = Legend.LegendForm.SQUARE
+                }
+            ))
+            legend.textColor = context.getThemeAttrColor(android.R.attr.textColorPrimary)
+
+            description.isEnabled = false
+
+            binding.root.context.getThemeAttrColor(android.R.attr.textColorPrimary).let {
+                axisLeft.textColor = it
+                axisRight.textColor = it
+            }
+            xAxis.setDrawLabels(false)
+            xAxis.setDrawGridLines(false)
+            with(axisLeft) {
+                axisMinimum = 0f
+                axisMaximum = 100f
+                labelCount = 11
+            }
+            with(axisRight) {
+                axisMinimum = 0f
+                axisMaximum = 100f
+                labelCount = 11
+            }
+            invalidate()
+        }
+    }
+
+    private class PartialViewHolder(val binding: ItemGradeStatisticsPieBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class SemesterViewHolder(val binding: ItemGradeStatisticsPieBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class PointsViewHolder(val binding: ItemGradeStatisticsBarBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class HeaderViewHolder(val binding: ItemGradeStatisticsHeaderBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt
index 4b6c16759..0adac300a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsFragment.kt
@@ -1,35 +1,33 @@
 package io.github.wulkanowy.ui.modules.grade.statistics
 
-import android.graphics.Color.WHITE
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
 import android.widget.ArrayAdapter
 import android.widget.TextView
-import androidx.core.content.ContextCompat
-import com.github.mikephil.charting.components.Legend
-import com.github.mikephil.charting.components.LegendEntry
-import com.github.mikephil.charting.data.PieData
-import com.github.mikephil.charting.data.PieDataSet
-import com.github.mikephil.charting.data.PieEntry
-import com.github.mikephil.charting.formatter.ValueFormatter
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.pojos.GradeStatisticsItem
+import io.github.wulkanowy.databinding.FragmentGradeStatisticsBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.grade.GradeView
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.setOnItemSelectedListener
-import kotlinx.android.synthetic.main.fragment_grade_statistics.*
 import javax.inject.Inject
 
-class GradeStatisticsFragment : BaseFragment(), GradeStatisticsView, GradeView.GradeChildView {
+@AndroidEntryPoint
+class GradeStatisticsFragment :
+    BaseFragment<FragmentGradeStatisticsBinding>(R.layout.fragment_grade_statistics),
+    GradeStatisticsView, GradeView.GradeChildView {
 
     @Inject
     lateinit var presenter: GradeStatisticsPresenter
 
+    @Inject
+    lateinit var statisticsAdapter: GradeStatisticsAdapter
+
     private lateinit var subjectsAdapter: ArrayAdapter<String>
 
     companion object {
@@ -38,63 +36,48 @@ class GradeStatisticsFragment : BaseFragment(), GradeStatisticsView, GradeView.G
         fun newInstance() = GradeStatisticsFragment()
     }
 
-    override val isViewEmpty get() = gradeStatisticsChart.isEmpty
+    override val isViewEmpty get() = statisticsAdapter.items.isEmpty()
 
-    private lateinit var gradeColors: List<Pair<Int, Int>>
+    override val currentType get() = statisticsAdapter.currentDataType
 
-    private val vulcanGradeColors = listOf(
-        6 to R.color.grade_vulcan_six,
-        5 to R.color.grade_vulcan_five,
-        4 to R.color.grade_vulcan_four,
-        3 to R.color.grade_vulcan_three,
-        2 to R.color.grade_vulcan_two,
-        1 to R.color.grade_vulcan_one
-    )
-
-    private val materialGradeColors = listOf(
-        6 to R.color.grade_material_six,
-        5 to R.color.grade_material_five,
-        4 to R.color.grade_material_four,
-        3 to R.color.grade_material_three,
-        2 to R.color.grade_material_two,
-        1 to R.color.grade_material_one
-    )
-
-    private val gradeLabels = listOf(
-        "6, 6-", "5, 5-, 5+", "4, 4-, 4+", "3, 3-, 3+", "2, 2-, 2+", "1, 1+"
-    )
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_grade_statistics, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = gradeStatisticsChart
-        presenter.onAttachView(this, savedInstanceState?.getBoolean(SAVED_CHART_TYPE))
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentGradeStatisticsBinding.bind(view)
+        messageContainer = binding.gradeStatisticsSwipe
+        presenter.onAttachView(
+            this,
+            savedInstanceState?.getSerializable(SAVED_CHART_TYPE) as? GradeStatisticsItem.DataType
+        )
     }
 
     override fun initView() {
-        with(gradeStatisticsChart) {
-            description.isEnabled = false
-            setHoleColor(context.getThemeAttrColor(android.R.attr.windowBackground))
-            setCenterTextColor(context.getThemeAttrColor(android.R.attr.textColorPrimary))
-            animateXY(1000, 1000)
-            minAngleForSlices = 25f
-            legend.textColor = context.getThemeAttrColor(android.R.attr.textColorPrimary)
+        statisticsAdapter.onDataTypeChangeListener = presenter::onTypeChange
+
+        with(binding.gradeStatisticsRecycler) {
+            layoutManager = LinearLayoutManager(requireContext())
+            adapter = statisticsAdapter
         }
 
-        subjectsAdapter = ArrayAdapter(requireContext(), android.R.layout.simple_spinner_item, mutableListOf())
+        subjectsAdapter =
+            ArrayAdapter(requireContext(), android.R.layout.simple_spinner_item, mutableListOf())
         subjectsAdapter.setDropDownViewResource(R.layout.item_attendance_summary_subject)
 
-        with(gradeStatisticsSubjects) {
+        with(binding.gradeStatisticsSubjects) {
             adapter = subjectsAdapter
             setOnItemSelectedListener<TextView> { presenter.onSubjectSelected(it?.text?.toString()) }
         }
 
-        gradeStatisticsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        with(binding) {
+            gradeStatisticsSubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
 
-        gradeStatisticsSubjectsContainer.setElevationCompat(requireContext().dpToPx(1f))
+            gradeStatisticsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            gradeStatisticsSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            gradeStatisticsSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh)
+            )
+            gradeStatisticsErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeStatisticsErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
     override fun updateSubjects(data: ArrayList<String>) {
@@ -105,72 +88,53 @@ class GradeStatisticsFragment : BaseFragment(), GradeStatisticsView, GradeView.G
         }
     }
 
-    override fun updateData(items: List<GradeStatistics>, theme: String) {
-        gradeColors = when (theme) {
-            "vulcan" -> vulcanGradeColors
-            else -> materialGradeColors
-        }
-
-        gradeStatisticsChart.run {
-            data = PieData(PieDataSet(items.map {
-                PieEntry(it.amount.toFloat(), it.grade.toString())
-            }, "Legenda").apply {
-                valueTextSize = 12f
-                sliceSpace = 1f
-                valueTextColor = WHITE
-                setColors(items.map {
-                    gradeColors.single { color -> color.first == it.grade }.second
-                }.toIntArray(), context)
-            }).apply {
-                setTouchEnabled(false)
-                setValueFormatter(object : ValueFormatter() {
-                    override fun getPieLabel(value: Float, pieEntry: PieEntry): String {
-                        return resources.getQuantityString(R.plurals.grade_number_item, value.toInt(), value.toInt())
-                    }
-                })
-                centerText = items.fold(0) { acc, it -> acc + it.amount }
-                    .let { resources.getQuantityString(R.plurals.grade_number_item, it, it) }
-            }
-            legend.apply {
-                setCustom(gradeLabels.mapIndexed { i, it ->
-                    LegendEntry().apply {
-                        label = it
-                        formColor = ContextCompat.getColor(context, gradeColors[i].second)
-                        form = Legend.LegendForm.SQUARE
-                    }
-                })
-            }
-            invalidate()
+    override fun updateData(
+        newItems: List<GradeStatisticsItem>,
+        newTheme: String,
+        showAllSubjectsOnStatisticsList: Boolean
+    ) {
+        with(statisticsAdapter) {
+            showAllSubjectsOnList = showAllSubjectsOnStatisticsList
+            theme = newTheme
+            items = newItems
+            notifyDataSetChanged()
         }
     }
 
     override fun showSubjects(show: Boolean) {
-        gradeStatisticsSubjectsContainer.visibility = if (show) View.VISIBLE else View.INVISIBLE
-        gradeStatisticsTypeSwitch.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.gradeStatisticsSubjectsContainer.visibility = if (show) View.VISIBLE else View.GONE
     }
 
     override fun clearView() {
-        gradeStatisticsChart.clear()
+        statisticsAdapter.items = emptyList()
     }
 
-    override fun showContent(show: Boolean) {
-        gradeStatisticsChart.visibility = if (show) View.VISIBLE else View.GONE
+    override fun resetView() {
+        binding.gradeStatisticsRecycler.scrollToPosition(0)
     }
 
     override fun showEmpty(show: Boolean) {
-        gradeStatisticsEmpty.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.gradeStatisticsEmpty.visibility = if (show) View.VISIBLE else View.INVISIBLE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.gradeStatisticsError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.gradeStatisticsErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        gradeStatisticsProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.gradeStatisticsProgress.visibility = if (show) View.VISIBLE else View.GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        gradeStatisticsSwipe.isEnabled = enable
+        binding.gradeStatisticsSwipe.isEnabled = enable
     }
 
     override fun showRefresh(show: Boolean) {
-        gradeStatisticsSwipe.isRefreshing = show
+        binding.gradeStatisticsSwipe.isRefreshing = show
     }
 
     override fun onParentLoadData(semesterId: Int, forceRefresh: Boolean) {
@@ -178,7 +142,7 @@ class GradeStatisticsFragment : BaseFragment(), GradeStatisticsView, GradeView.G
     }
 
     override fun onParentReselected() {
-        //
+        presenter.onParentViewReselected()
     }
 
     override fun onParentChangeSemester() {
@@ -193,20 +157,13 @@ class GradeStatisticsFragment : BaseFragment(), GradeStatisticsView, GradeView.G
         (parentFragment as? GradeFragment)?.onChildRefresh()
     }
 
-    override fun onResume() {
-        super.onResume()
-        gradeStatisticsTypeSwitch.setOnCheckedChangeListener { _, checkedId ->
-            presenter.onTypeChange(checkedId == R.id.gradeStatisticsTypeSemester)
-        }
-    }
-
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
-        outState.putBoolean(SAVED_CHART_TYPE, presenter.currentIsSemester)
+        outState.putSerializable(SAVED_CHART_TYPE, presenter.currentType)
     }
 
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
index 0259557a7..53eccad65 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
@@ -1,28 +1,31 @@
 package io.github.wulkanowy.ui.modules.grade.statistics
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Subject
-import io.github.wulkanowy.data.repositories.gradestatistics.GradeStatisticsRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.data.repositories.subject.SubjectRepository
+import io.github.wulkanowy.data.pojos.GradeStatisticsItem
+import io.github.wulkanowy.data.repositories.GradeStatisticsRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class GradeStatisticsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val gradeStatisticsRepository: GradeStatisticsRepository,
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
 
@@ -30,31 +33,42 @@ class GradeStatisticsPresenter @Inject constructor(
 
     private var currentSubjectName: String = "Wszystkie"
 
-    var currentIsSemester = false
+    private lateinit var lastError: Throwable
+
+    var currentType: GradeStatisticsItem.DataType = GradeStatisticsItem.DataType.PARTIAL
         private set
 
-    fun onAttachView(view: GradeStatisticsView, isSemester: Boolean?) {
+    fun onAttachView(view: GradeStatisticsView, type: GradeStatisticsItem.DataType?) {
         super.onAttachView(view)
-        currentIsSemester = isSemester ?: false
+        currentType = type ?: GradeStatisticsItem.DataType.PARTIAL
         view.initView()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
     }
 
     fun onParentViewLoadData(semesterId: Int, forceRefresh: Boolean) {
         currentSemesterId = semesterId
         loadSubjects()
-        loadData(semesterId, currentSubjectName, currentIsSemester, forceRefresh)
+        if (!forceRefresh) view?.showErrorView(false)
+        loadDataByType(semesterId, currentSubjectName, currentType, forceRefresh)
+    }
+
+    fun onParentViewReselected() {
+        view?.run {
+            if (!isViewEmpty) resetView()
+        }
     }
 
     fun onParentViewChangeSemester() {
+        clearDataInView()
         view?.run {
             showProgress(true)
             enableSwipe(false)
             showRefresh(false)
-            showContent(false)
+            showErrorView(false)
             showEmpty(false)
             clearView()
         }
-        disposable.clear()
+        cancelJobs("load")
     }
 
     fun onSwipeRefresh() {
@@ -62,86 +76,205 @@ class GradeStatisticsPresenter @Inject constructor(
         view?.notifyParentRefresh()
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        view?.notifyParentRefresh()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onSubjectSelected(name: String?) {
         Timber.i("Select grade stats subject $name")
+        clearDataInView()
         view?.run {
-            showContent(false)
             showProgress(true)
             enableSwipe(false)
             showEmpty(false)
+            showErrorView(false)
             clearView()
         }
         (subjects.singleOrNull { it.name == name }?.name)?.let {
-            if (it != currentSubjectName) loadData(currentSemesterId, it, currentIsSemester)
+            if (it != currentSubjectName) loadDataByType(currentSemesterId, it, currentType)
         }
     }
 
-    fun onTypeChange(isSemester: Boolean) {
-        Timber.i("Select grade stats semester: $isSemester")
-        disposable.clear()
+    fun onTypeChange() {
+        val type = view?.currentType ?: GradeStatisticsItem.DataType.POINTS
+        Timber.i("Select grade stats semester: $type")
+        cancelJobs("load")
+        clearDataInView()
         view?.run {
-            showContent(false)
             showProgress(true)
             enableSwipe(false)
             showEmpty(false)
+            showErrorView(false)
             clearView()
         }
-        loadData(currentSemesterId, currentSubjectName, isSemester)
+        loadDataByType(currentSemesterId, currentSubjectName, type)
     }
 
     private fun loadSubjects() {
-        Timber.i("Loading grade stats subjects started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .flatMap { subjectRepository.getSubjects(it) }
-            .doOnSuccess { subjects = it }
-            .map { ArrayList(it.map { subject -> subject.name }) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                Timber.i("Loading grade stats subjects result: Success")
-                view?.run {
-                    updateSubjects(it)
-                    showSubjects(true)
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            subjectRepository.getSubjects(student, semester)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading grade stats subjects started")
+                Status.SUCCESS -> {
+                    subjects = it.data!!
+
+                    Timber.i("Loading grade stats subjects result: Success")
+                    view?.run {
+                        view?.updateSubjects(ArrayList(it.data.map { subject -> subject.name }))
+                        showSubjects(!preferencesRepository.showAllSubjectsOnStatisticsList)
+                    }
                 }
-            }, {
-                Timber.e("Loading grade stats subjects result: An exception occurred")
-                errorHandler.dispatch(it)
-            })
+                Status.ERROR -> {
+                    Timber.i("Loading grade stats subjects result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("subjects")
+    }
+
+    private fun loadDataByType(
+        semesterId: Int,
+        subjectName: String,
+        type: GradeStatisticsItem.DataType,
+        forceRefresh: Boolean = false
+    ) {
+        Timber.i("Loading grade stats data started")
+
+        currentSubjectName =
+            if (preferencesRepository.showAllSubjectsOnStatisticsList) "Wszystkie" else subjectName
+        currentType = type
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semesters = semesterRepository.getSemesters(student)
+            val semester = semesters.first { item -> item.semesterId == semesterId }
+
+            with(gradeStatisticsRepository) {
+                when (type) {
+                    GradeStatisticsItem.DataType.PARTIAL -> {
+                        getGradesPartialStatistics(
+                            student = student,
+                            semester = semester,
+                            subjectName = currentSubjectName,
+                            forceRefresh = forceRefresh
+                        )
+                    }
+                    GradeStatisticsItem.DataType.SEMESTER -> {
+                        getGradesSemesterStatistics(
+                            student = student,
+                            semester = semester,
+                            subjectName = currentSubjectName,
+                            forceRefresh = forceRefresh
+                        )
+                    }
+                    GradeStatisticsItem.DataType.POINTS -> {
+                        getGradesPointsStatistics(
+                            student = student,
+                            semester = semester,
+                            subjectName = currentSubjectName,
+                            forceRefresh = forceRefresh
+                        )
+                    }
+                }
+            }
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    val isNoContent = it.data == null || checkIsNoContent(it.data, type)
+                    if (!isNoContent) {
+                        view?.run {
+                            showEmpty(isNoContent)
+                            showErrorView(false)
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            updateData(
+                                if (isNoContent) emptyList() else it.data!!,
+                                preferencesRepository.gradeColorTheme,
+                                preferencesRepository.showAllSubjectsOnStatisticsList
+                            )
+                            showSubjects(!preferencesRepository.showAllSubjectsOnStatisticsList)
+                        }
+                    }
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Loading grade stats result: Success")
+                    view?.run {
+                        val isNoContent = checkIsNoContent(it.data!!, type)
+                        showEmpty(isNoContent)
+                        showErrorView(false)
+                        updateData(
+                            if (isNoContent) emptyList() else it.data,
+                            preferencesRepository.gradeColorTheme,
+                            preferencesRepository.showAllSubjectsOnStatisticsList
+                        )
+                        showSubjects(!preferencesRepository.showAllSubjectsOnStatisticsList)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "grade_statistics",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading grade stats result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded(semesterId)
+            }
+        }.launch("load")
+    }
+
+    private fun checkIsNoContent(
+        items: List<GradeStatisticsItem>,
+        type: GradeStatisticsItem.DataType
+    ): Boolean {
+        return items.isEmpty() || when (type) {
+            GradeStatisticsItem.DataType.SEMESTER -> {
+                items.firstOrNull()?.semester?.amounts.orEmpty().sum() == 0
+            }
+            GradeStatisticsItem.DataType.PARTIAL -> {
+                items.firstOrNull()?.partial?.classAmounts.orEmpty().sum() == 0
+            }
+            GradeStatisticsItem.DataType.POINTS -> {
+                items.firstOrNull()?.points?.let { points -> points.student == .0 && points.others == .0 } ?: false
+            }
+        }
+    }
+
+    private fun clearDataInView() {
+        view?.updateData(
+            emptyList(),
+            preferencesRepository.gradeColorTheme,
+            preferencesRepository.showAllSubjectsOnStatisticsList
         )
     }
 
-    private fun loadData(semesterId: Int, subjectName: String, isSemester: Boolean, forceRefresh: Boolean = false) {
-        Timber.i("Loading grade stats data started")
-        currentSubjectName = subjectName
-        currentIsSemester = isSemester
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getSemesters(it) }
-            .flatMap { gradeStatisticsRepository.getGradesStatistics(it.first { item -> item.semesterId == semesterId }, subjectName, isSemester, forceRefresh) }
-            .map { list -> list.sortedByDescending { it.grade } }
-            .map { list -> list.filter { it.amount != 0 } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    showRefresh(false)
-                    showProgress(false)
-                    enableSwipe(true)
-                    notifyParentDataLoaded(semesterId)
-                }
-            }
-            .subscribe({
-                Timber.i("Loading grade stats result: Success")
-                view?.run {
-                    showEmpty(it.isEmpty())
-                    showContent(it.isNotEmpty())
-                    updateData(it, preferencesRepository.gradeColorTheme)
-                }
-                analytics.logEvent("load_grade_statistics", "items" to it.size, "force_refresh" to forceRefresh)
-            }) {
-                Timber.e("Loading grade stats result: An exception occurred")
-                view?.run { showEmpty(isViewEmpty) }
-                errorHandler.dispatch(it)
-            })
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsView.kt
index edb2552e0..405118178 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsView.kt
@@ -1,17 +1,23 @@
 package io.github.wulkanowy.ui.modules.grade.statistics
 
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.pojos.GradeStatisticsItem
 import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeStatisticsView : BaseView {
 
     val isViewEmpty: Boolean
 
+    val currentType: GradeStatisticsItem.DataType
+
     fun initView()
 
     fun updateSubjects(data: ArrayList<String>)
 
-    fun updateData(items: List<GradeStatistics>, theme: String)
+    fun updateData(
+        newItems: List<GradeStatisticsItem>,
+        newTheme: String,
+        showAllSubjectsOnStatisticsList: Boolean
+    )
 
     fun showSubjects(show: Boolean)
 
@@ -21,10 +27,14 @@ interface GradeStatisticsView : BaseView {
 
     fun clearView()
 
-    fun showContent(show: Boolean)
+    fun resetView()
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/ViewType.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/ViewType.kt
new file mode 100644
index 000000000..f695eaf9d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/ViewType.kt
@@ -0,0 +1,8 @@
+package io.github.wulkanowy.ui.modules.grade.statistics
+
+enum class ViewType(val id: Int) {
+    SEMESTER(1),
+    PARTIAL(2),
+    POINTS(3),
+    HEADER(4)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryAdapter.kt
new file mode 100644
index 000000000..edc2a9e19
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryAdapter.kt
@@ -0,0 +1,92 @@
+package io.github.wulkanowy.ui.modules.grade.summary
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.databinding.ItemGradeSummaryBinding
+import io.github.wulkanowy.databinding.ScrollableHeaderGradeSummaryBinding
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.calcAverage
+import io.github.wulkanowy.utils.changeModifier
+import java.util.Locale
+import javax.inject.Inject
+
+class GradeSummaryAdapter @Inject constructor(
+    private val preferencesRepository: PreferencesRepository
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        HEADER(1),
+        ITEM(2)
+    }
+
+    var items = emptyList<GradeSummary>()
+
+    override fun getItemCount() = items.size + if (items.isNotEmpty()) 1 else 0
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.HEADER.id
+        else -> ViewType.ITEM.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.HEADER.id -> HeaderViewHolder(ScrollableHeaderGradeSummaryBinding.inflate(inflater, parent, false))
+            ViewType.ITEM.id -> ItemViewHolder(ItemGradeSummaryBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, items[position - 1])
+        }
+    }
+
+    private fun bindHeaderViewHolder(binding: ScrollableHeaderGradeSummaryBinding) {
+        if (items.isEmpty()) return
+
+        with(binding) {
+            gradeSummaryScrollableHeaderFinal.text = formatAverage(items.calcAverage(preferencesRepository.gradePlusModifier, preferencesRepository.gradeMinusModifier))
+            gradeSummaryScrollableHeaderCalculated.text = formatAverage(items
+                .filter { value -> value.average != 0.0 }
+                .map { values -> values.average }
+                .reversed() // fix average precision
+                .average()
+            )
+        }
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun bindItemViewHolder(binding: ItemGradeSummaryBinding, item: GradeSummary) {
+        with(binding) {
+            gradeSummaryItemTitle.text = item.subject
+            gradeSummaryItemPoints.text = item.pointsSum
+            gradeSummaryItemAverage.text = formatAverage(item.average, "")
+            gradeSummaryItemPredicted.text = "${item.predictedGrade} ${item.proposedPoints}".trim()
+            gradeSummaryItemFinal.text = "${item.finalGrade} ${item.finalPoints}".trim()
+
+            gradeSummaryItemPointsContainer.visibility = if (item.pointsSum.isBlank()) View.GONE else View.VISIBLE
+        }
+    }
+
+    private fun formatAverage(average: Double, defaultValue: String = "-- --"): String {
+        return if (average == 0.0) defaultValue
+        else String.format(Locale.FRANCE, "%.2f", average)
+    }
+
+    private class HeaderViewHolder(val binding: ScrollableHeaderGradeSummaryBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class ItemViewHolder(val binding: ItemGradeSummaryBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryFragment.kt
index 7699a6411..0ac16fb36 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryFragment.kt
@@ -1,36 +1,38 @@
 package io.github.wulkanowy.ui.modules.grade.summary
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.GradeSummary
+import io.github.wulkanowy.databinding.FragmentGradeSummaryBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
 import io.github.wulkanowy.ui.modules.grade.GradeView
-import kotlinx.android.synthetic.main.fragment_grade_summary.*
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeChildView {
+@AndroidEntryPoint
+class GradeSummaryFragment :
+    BaseFragment<FragmentGradeSummaryBinding>(R.layout.fragment_grade_summary), GradeSummaryView,
+    GradeView.GradeChildView {
 
     @Inject
     lateinit var presenter: GradeSummaryPresenter
 
     @Inject
-    lateinit var gradeSummaryAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var gradeSummaryAdapter: GradeSummaryAdapter
 
     companion object {
         fun newInstance() = GradeSummaryFragment()
     }
 
     override val isViewEmpty
-        get() = gradeSummaryAdapter.isEmpty
+        get() = gradeSummaryAdapter.items.isEmpty()
 
     override val predictedString
         get() = getString(R.string.grade_summary_predicted_grade)
@@ -38,60 +40,71 @@ class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeCh
     override val finalString
         get() = getString(R.string.grade_summary_final_grade)
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_grade_summary, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = gradeSummaryRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentGradeSummaryBinding.bind(view)
+        messageContainer = binding.gradeSummaryRecycler
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        gradeSummaryAdapter.setDisplayHeadersAtStartUp(true)
-
-        gradeSummaryRecycler.run {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.gradeSummaryRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = gradeSummaryAdapter
         }
-        gradeSummarySwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+        with(binding) {
+            gradeSummarySwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            gradeSummarySwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            gradeSummarySwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            gradeSummaryErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeSummaryErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
-    override fun updateData(data: List<GradeSummaryItem>, header: GradeSummaryScrollableHeader) {
-        gradeSummaryAdapter.apply {
-            updateDataSet(data, true)
-            removeAllScrollableHeaders()
-            addScrollableHeader(header)
+    override fun updateData(data: List<GradeSummary>) {
+        with(gradeSummaryAdapter) {
+            items = data
+            notifyDataSetChanged()
         }
     }
 
     override fun clearView() {
-        gradeSummaryAdapter.clear()
+        with(gradeSummaryAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun resetView() {
-        gradeSummaryRecycler.scrollToPosition(0)
+        binding.gradeSummaryRecycler.scrollToPosition(0)
     }
 
     override fun showContent(show: Boolean) {
-        gradeSummaryRecycler.visibility = if (show) VISIBLE else INVISIBLE
+        binding.gradeSummaryRecycler.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showEmpty(show: Boolean) {
-        gradeSummaryEmpty.visibility = if (show) VISIBLE else INVISIBLE
+        binding.gradeSummaryEmpty.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.gradeSummaryError.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.gradeSummaryErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        gradeSummaryProgress.visibility = if (show) VISIBLE else GONE
+        binding.gradeSummaryProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        gradeSummarySwipe.isEnabled = enable
+        binding.gradeSummarySwipe.isEnabled = enable
     }
 
     override fun showRefresh(show: Boolean) {
-        gradeSummarySwipe.isRefreshing = show
+        binding.gradeSummarySwipe.isRefreshing = show
     }
 
     override fun onParentLoadData(semesterId: Int, forceRefresh: Boolean) {
@@ -115,7 +128,7 @@ class GradeSummaryFragment : BaseFragment(), GradeSummaryView, GradeView.GradeCh
     }
 
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryItem.kt
deleted file mode 100644
index 95c32d176..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryItem.kt
+++ /dev/null
@@ -1,64 +0,0 @@
-package io.github.wulkanowy.ui.modules.grade.summary
-
-import android.annotation.SuppressLint
-import android.view.View
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_grade_summary.*
-
-class GradeSummaryItem(
-    val summary: GradeSummary,
-    private val average: String
-) : AbstractFlexibleItem<GradeSummaryItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_grade_summary
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.run {
-            gradeSummaryItemTitle.text = summary.subject
-            gradeSummaryItemPoints.text = summary.pointsSum
-            gradeSummaryItemAverage.text = average
-            gradeSummaryItemPredicted.text = "${summary.predictedGrade} ${summary.proposedPoints}".trim()
-            gradeSummaryItemFinal.text = "${summary.finalGrade} ${summary.finalPoints}".trim()
-
-            gradeSummaryItemPointsContainer.visibility = if (summary.pointsSum.isBlank()) GONE else VISIBLE
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as GradeSummaryItem
-
-        if (average != other.average) return false
-        if (summary != other.summary) return false
-        if (summary.id != other.summary.id) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = summary.hashCode()
-        result = 31 * result + summary.id.hashCode()
-        result = 31 * result + average.hashCode()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
index 3f8fd0edb..7adfd7e58 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
@@ -1,69 +1,103 @@
 package io.github.wulkanowy.ui.modules.grade.summary
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.repositories.gradessummary.GradeSummaryRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.calcAverage
+import io.github.wulkanowy.ui.modules.grade.GradeSubject
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.lang.String.format
-import java.util.Locale.FRANCE
 import javax.inject.Inject
 
 class GradeSummaryPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
-    private val gradeSummaryRepository: GradeSummaryRepository,
-    private val semesterRepository: SemesterRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
 
     override fun onAttachView(view: GradeSummaryView) {
         super.onAttachView(view)
         view.initView()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
     }
 
     fun onParentViewLoadData(semesterId: Int, forceRefresh: Boolean) {
         Timber.i("Loading grade summary data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getSemesters(it).map { semesters -> it to semesters } }
-            .flatMap { (student, semesters) ->
-                gradeSummaryRepository.getGradesSummary(semesters.first { it.semesterId == semesterId }, forceRefresh)
-                    .map { it.sortedBy { subject -> subject.subject } }
-                    .flatMap { gradesSummary ->
-                        averageProvider.getGradeAverage(student, semesters, semesterId, forceRefresh)
-                            .map { averages -> createGradeSummaryItemsAndHeader(gradesSummary, averages) }
+
+        loadData(semesterId, forceRefresh)
+        if (!forceRefresh) view?.showErrorView(false)
+    }
+
+    private fun loadData(semesterId: Int, forceRefresh: Boolean) {
+        Timber.i("Loading grade summary started")
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            averageProvider.getGradesDetailsWithAverage(student, semesterId, forceRefresh)
+        }.onEach {
+            Timber.d("Loading grade summary status: ${it.status}, data: ${it.data != null}")
+            when (it.status) {
+                Status.LOADING -> {
+                    val items = createGradeSummaryItems(it.data.orEmpty())
+                    if (items.isNotEmpty()) {
+                        Timber.i("Loading grade summary result: load cached data")
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showEmpty(false)
+                            showContent(true)
+                            updateData(items)
+                        }
                     }
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Loading grade summary result: Success")
+                    val items = createGradeSummaryItems(it.data!!)
+                    view?.run {
+                        showEmpty(items.isEmpty())
+                        showContent(items.isNotEmpty())
+                        showErrorView(false)
+                        updateData(items)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "grade_summary",
+                        "items" to it.data.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading grade summary result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
             }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    showRefresh(false)
-                    showProgress(false)
-                    enableSwipe(true)
-                    notifyParentDataLoaded(semesterId)
-                }
-            }.subscribe({ (gradeSummaryItems, gradeSummaryHeader) ->
-                Timber.i("Loading grade summary result: Success")
-                view?.run {
-                    showEmpty(gradeSummaryItems.isEmpty())
-                    showContent(gradeSummaryItems.isNotEmpty())
-                    updateData(gradeSummaryItems, gradeSummaryHeader)
-                }
-                analytics.logEvent("load_grade_summary", "items" to gradeSummaryItems.size, "force_refresh" to forceRefresh)
-            }) {
-                Timber.i("Loading grade summary result: An exception occurred")
-                view?.run { showEmpty(isViewEmpty) }
-                errorHandler.dispatch(it)
-            })
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded(semesterId)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
     }
 
     fun onSwipeRefresh() {
@@ -71,6 +105,18 @@ class GradeSummaryPresenter @Inject constructor(
         view?.notifyParentRefresh()
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        view?.notifyParentRefresh()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onParentViewReselected() {
         view?.run {
             if (!isViewEmpty) resetView()
@@ -86,35 +132,22 @@ class GradeSummaryPresenter @Inject constructor(
             showEmpty(false)
             clearView()
         }
-        disposable.clear()
+        cancelJobs("load")
     }
 
-    private fun createGradeSummaryItemsAndHeader(gradesSummary: List<GradeSummary>, averages: Map<String, Double>)
-        : Pair<List<GradeSummaryItem>, GradeSummaryScrollableHeader> {
-        return averages.filterValues { value -> value != 0.0 }
-            .let { filteredAverages ->
-                gradesSummary.filter { !checkEmpty(it, filteredAverages) }
-                    .map {
-                        GradeSummaryItem(
-                            summary = it,
-                            average = formatAverage(filteredAverages.getOrElse(it.subject) { 0.0 }, "")
-                        )
-                    }.let {
-                        it to GradeSummaryScrollableHeader(
-                            formatAverage(gradesSummary.calcAverage()),
-                            formatAverage(filteredAverages.values.average()))
-                    }
-            }
+    private fun createGradeSummaryItems(items: List<GradeSubject>): List<GradeSummary> {
+        return items
+            .filter { !checkEmpty(it) }
+            .sortedBy { it.subject }
+            .map { it.summary.copy(average = it.average) }
     }
 
-    private fun checkEmpty(gradeSummary: GradeSummary, averages: Map<String, Double>): Boolean {
+    private fun checkEmpty(gradeSummary: GradeSubject): Boolean {
         return gradeSummary.run {
-            finalGrade.isBlank() && predictedGrade.isBlank() && averages[subject] == null
+            summary.finalGrade.isBlank()
+                && summary.predictedGrade.isBlank()
+                && average == .0
+                && points.isBlank()
         }
     }
-
-    private fun formatAverage(average: Double, defaultValue: String = "-- --"): String {
-        return if (average == 0.0) defaultValue
-        else format(FRANCE, "%.2f", average)
-    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryScrollableHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryScrollableHeader.kt
deleted file mode 100644
index f1c535c71..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryScrollableHeader.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.ui.modules.grade.summary
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.scrollable_header_grade_summary.*
-
-class GradeSummaryScrollableHeader(private val finalAverage: String, private val calculatedAverage: String)
-    : AbstractFlexibleItem<GradeSummaryScrollableHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.scrollable_header_grade_summary
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: ViewHolder?,
-                                position: Int, payloads: MutableList<Any>?) {
-        holder?.apply {
-            gradeSummaryScrollableHeaderFinal.text = finalAverage
-            gradeSummaryScrollableHeaderCalculated.text = calculatedAverage
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as GradeSummaryScrollableHeader
-
-        if (calculatedAverage != other.calculatedAverage) return false
-        if (finalAverage != other.finalAverage) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = calculatedAverage.hashCode()
-        result = 31 * result + finalAverage.hashCode()
-        return result
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
-            LayoutContainer {
-
-        override val containerView: View?
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryView.kt
index 9e9c6e58f..974d91415 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryView.kt
@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.grade.summary
 
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.ui.base.BaseView
 
 interface GradeSummaryView : BaseView {
@@ -12,7 +13,7 @@ interface GradeSummaryView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<GradeSummaryItem>, header: GradeSummaryScrollableHeader)
+    fun updateData(data: List<GradeSummary>)
 
     fun resetView()
 
@@ -26,6 +27,10 @@ interface GradeSummaryView : BaseView {
 
     fun showContent(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showEmpty(show: Boolean)
 
     fun notifyParentDataLoaded(semesterId: Int)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkAdapter.kt
new file mode 100644
index 000000000..8ae06aeb5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkAdapter.kt
@@ -0,0 +1,67 @@
+package io.github.wulkanowy.ui.modules.homework
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.databinding.HeaderHomeworkBinding
+import io.github.wulkanowy.databinding.ItemHomeworkBinding
+import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.weekDayName
+import java.time.LocalDate
+import javax.inject.Inject
+
+class HomeworkAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    var items = emptyList<HomeworkItem<*>>()
+
+    var onClickListener: (Homework) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int) = items[position].viewType.id
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            HomeworkItem.ViewType.HEADER.id -> HeaderViewHolder(HeaderHomeworkBinding.inflate(inflater, parent, false))
+            HomeworkItem.ViewType.ITEM.id -> ItemViewHolder(ItemHomeworkBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding, items[position].value as LocalDate)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, items[position].value as Homework)
+        }
+    }
+
+    @SuppressLint("DefaultLocale")
+    private fun bindHeaderViewHolder(binding: HeaderHomeworkBinding, date: LocalDate) {
+        with(binding) {
+            homeworkHeaderDay.text = date.weekDayName.capitalize()
+            homeworkHeaderDate.text = date.toFormattedString()
+        }
+    }
+
+    private fun bindItemViewHolder(binding: ItemHomeworkBinding, homework: Homework) {
+        with(binding) {
+            homeworkItemSubject.text = homework.subject
+            homeworkItemTeacher.text = homework.teacher
+            homeworkItemContent.text = homework.content
+            homeworkItemCheckImage.visibility = if (homework.isDone) View.VISIBLE else View.GONE
+            homeworkItemAttachmentImage.visibility = if (!homework.isDone && homework.attachments.isNotEmpty()) View.VISIBLE else View.GONE
+
+            root.setOnClickListener { onClickListener(homework) }
+        }
+    }
+
+    class HeaderViewHolder(val binding: HeaderHomeworkBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class ItemViewHolder(val binding: ItemHomeworkBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkDialog.kt
deleted file mode 100644
index 427841886..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkDialog.kt
+++ /dev/null
@@ -1,49 +0,0 @@
-package io.github.wulkanowy.ui.modules.homework
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.fragment.app.DialogFragment
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Homework
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_homework.*
-
-class HomeworkDialog : DialogFragment() {
-
-    private lateinit var homework: Homework
-
-    companion object {
-        private const val ARGUMENT_KEY = "Item"
-
-        fun newInstance(homework: Homework): HomeworkDialog {
-            return HomeworkDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, homework) }
-            }
-        }
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setStyle(STYLE_NO_TITLE, 0)
-        arguments?.run {
-            homework = getSerializable(HomeworkDialog.ARGUMENT_KEY) as Homework
-        }
-    }
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_homework, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-
-        homeworkDialogDate.text = homework.date.toFormattedString()
-        homeworkDialogEntryDate.text = homework.entryDate.toFormattedString()
-        homeworkDialogSubject.text = homework.subject
-        homeworkDialogTeacher.text = homework.teacher
-        homeworkDialogContent.text = homework.content
-        homeworkDialogClose.setOnClickListener { dismiss() }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt
index 8195dd20b..1d9434dc7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkFragment.kt
@@ -1,30 +1,32 @@
 package io.github.wulkanowy.ui.modules.homework
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.databinding.FragmentHomeworkBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.homework.details.HomeworkDetailsDialog
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
 import io.github.wulkanowy.utils.dpToPx
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_homework.*
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class HomeworkFragment : BaseFragment(), HomeworkView, MainView.TitledView {
+@AndroidEntryPoint
+class HomeworkFragment : BaseFragment<FragmentHomeworkBinding>(R.layout.fragment_homework),
+    HomeworkView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: HomeworkPresenter
 
     @Inject
-    lateinit var homeworkAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var homeworkAdapter: HomeworkAdapter
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
@@ -34,78 +36,94 @@ class HomeworkFragment : BaseFragment(), HomeworkView, MainView.TitledView {
 
     override val titleStringId get() = R.string.homework_title
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_homework, container, false)
-    }
+    override val isViewEmpty get() = homeworkAdapter.items.isEmpty()
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = homeworkRecycler
-        presenter.onAttachView(this, savedInstanceState?.getLong(HomeworkFragment.SAVED_DATE_KEY))
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentHomeworkBinding.bind(view)
+        messageContainer = binding.homeworkRecycler
+        presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
     }
 
     override fun initView() {
-        homeworkAdapter.setOnItemClickListener(presenter::onHomeworkItemSelected)
+        homeworkAdapter.onClickListener = presenter::onHomeworkItemSelected
 
-        with(homeworkRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.homeworkRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = homeworkAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false))
+            addItemDecoration(DividerItemDecoration(context))
         }
 
-        homeworkSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-        homeworkPreviousButton.setOnClickListener { presenter.onPreviousDay() }
-        homeworkNextButton.setOnClickListener { presenter.onNextDay() }
+        with(binding) {
+            homeworkSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            homeworkSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            homeworkSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            homeworkErrorRetry.setOnClickListener { presenter.onRetry() }
+            homeworkErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
-        homeworkNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            homeworkPreviousButton.setOnClickListener { presenter.onPreviousDay() }
+            homeworkNextButton.setOnClickListener { presenter.onNextDay() }
+
+            homeworkNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
     }
 
-    override fun updateData(data: List<HomeworkItem>) {
-        homeworkAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<HomeworkItem<*>>) {
+        with(homeworkAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun clearData() {
-        homeworkAdapter.clear()
+        with(homeworkAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateNavigationWeek(date: String) {
-        homeworkNavDate.text = date
+        binding.homeworkNavDate.text = date
     }
 
-    override fun isViewEmpty() = homeworkAdapter.isEmpty
-
-    override fun hideRefresh() {
-        homeworkSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.homeworkSwipe.isRefreshing = show
     }
 
     override fun showEmpty(show: Boolean) {
-        homeworkEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        binding.homeworkEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.homeworkError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.homeworkErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        homeworkProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.homeworkProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        homeworkSwipe.isEnabled = enable
+        binding.homeworkSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        homeworkRecycler.visibility = if (show) View.VISIBLE else View.GONE
+        binding.homeworkRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showPreButton(show: Boolean) {
-        homeworkPreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.homeworkPreviousButton.visibility = if (show) VISIBLE else View.INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        homeworkNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.homeworkNextButton.visibility = if (show) VISIBLE else View.INVISIBLE
     }
 
     override fun showTimetableDialog(homework: Homework) {
-        (activity as? MainActivity)?.showDialogFragment(HomeworkDialog.newInstance(homework))
+        (activity as? MainActivity)?.showDialogFragment(HomeworkDetailsDialog.newInstance(homework))
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkHeader.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkHeader.kt
deleted file mode 100644
index 490237883..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkHeader.kt
+++ /dev/null
@@ -1,54 +0,0 @@
-package io.github.wulkanowy.ui.modules.homework
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractHeaderItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.ExpandableViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.utils.toFormattedString
-import io.github.wulkanowy.utils.weekDayName
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.header_homework.*
-import org.threeten.bp.LocalDate
-
-class HomeworkHeader(private val date: LocalDate) : AbstractHeaderItem<HomeworkHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.header_homework
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(
-        adapter: FlexibleAdapter<IFlexible<*>>?, holder: HomeworkHeader.ViewHolder,
-        position: Int, payloads: MutableList<Any>?
-    ) {
-        holder.run {
-            homeworkHeaderDay.text = date.weekDayName.capitalize()
-            homeworkHeaderDate.text = date.toFormattedString()
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as HomeworkHeader
-
-        if (date != other.date) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return date.hashCode()
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : ExpandableViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkItem.kt
index 2de9233f2..7e0039583 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkItem.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkItem.kt
@@ -1,50 +1,9 @@
 package io.github.wulkanowy.ui.modules.homework
 
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractSectionableItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Homework
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_homework.*
+data class HomeworkItem<out T>(val value: T, val viewType: ViewType) {
 
-class HomeworkItem(header: HomeworkHeader, val homework: Homework) :
-    AbstractSectionableItem<HomeworkItem.ViewHolder, HomeworkHeader>(header) {
-
-    override fun getLayoutRes() = R.layout.item_homework
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            homeworkItemSubject.text = homework.subject
-            homeworkItemTeacher.text = homework.teacher
-            homeworkItemContent.text = homework.content
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as HomeworkItem
-
-        if (homework != other.homework) return false
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = homework.hashCode()
-        result = 31 * result + homework.id.toInt()
-        return result
-    }
-
-    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
+    enum class ViewType(val id: Int) {
+        HEADER(1),
+        ITEM(2)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
index 6829031c1..11c54dc24 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
@@ -1,136 +1,176 @@
 package io.github.wulkanowy.ui.modules.homework
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Homework
-import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.HomeworkRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.toFormattedString
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.ofEpochDay
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.util.concurrent.TimeUnit
+import java.time.LocalDate
+import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class HomeworkPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<HomeworkView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<HomeworkView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay
 
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: HomeworkView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Homework view was initialized")
-        loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        loadData()
         if (currentDate.isHolidays) setBaseDateOnHolidays()
-        reloadView()
     }
 
     fun onPreviousDay() {
-        loadData(currentDate.minusDays(7))
-        reloadView()
+        reloadView(currentDate.minusDays(7))
+        loadData()
     }
 
     fun onNextDay() {
-        loadData(currentDate.plusDays(7))
-        reloadView()
+        reloadView(currentDate.plusDays(7))
+        loadData()
     }
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the homework")
-        loadData(currentDate, true)
+        loadData(true)
     }
 
-    fun onHomeworkItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is HomeworkItem) {
-            Timber.i("Select homework item ${item.homework.id}")
-            view?.showTimetableDialog(item.homework)
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
         }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onHomeworkItemSelected(homework: Homework) {
+        Timber.i("Select homework item ${homework.id}")
+        view?.showTimetableDialog(homework)
     }
 
     private fun setBaseDateOnHolidays() {
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-                currentDate = baseDate
-                reloadNavigation()
-            }) {
-                Timber.i("Loading semester result: An exception occurred")
-            })
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
     }
 
-    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading homework data started")
-        currentDate = date
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .delay(200, TimeUnit.MILLISECONDS)
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .flatMap { homeworkRepository.getHomework(it, currentDate, currentDate, forceRefresh) }
-                .map { it.groupBy { homework -> homework.date }.toSortedMap() }
-                .map { createHomeworkItem(it) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            homeworkRepository.getHomework(student, semester, currentDate, currentDate, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(createHomeworkItem(it.data))
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading homework result: Success")
                     view?.apply {
-                        updateData(it)
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
+                        updateData(createHomeworkItem(it.data!!))
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.isNotEmpty())
                     }
-                    analytics.logEvent("load_homework", "items" to it.size, "force_refresh" to forceRefresh)
-                }) {
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "homework",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Loading homework result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty()) }
-                    errorHandler.dispatch(it)
-                })
-        }
-    }
-
-    private fun createHomeworkItem(items: Map<LocalDate, List<Homework>>): List<HomeworkItem> {
-        return items.flatMap {
-            HomeworkHeader(it.key).let { header ->
-                it.value.reversed().map { item -> HomeworkItem(header, item) }
+                    errorHandler.dispatch(it.error!!)
+                }
             }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun reloadView() {
+    private fun createHomeworkItem(items: List<Homework>): List<HomeworkItem<*>> {
+        return items.groupBy { it.date }.toSortedMap().map { (date, exams) ->
+            listOf(HomeworkItem(date, HomeworkItem.ViewType.HEADER)) + exams.reversed().map { exam ->
+                HomeworkItem(exam, HomeworkItem.ViewType.ITEM)
+            }
+        }.flatten()
+    }
+
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+
         Timber.i("Reload homework view with the date ${currentDate.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
@@ -141,7 +181,7 @@ class HomeworkPresenter @Inject constructor(
             showPreButton(!currentDate.minusDays(7).isHolidays)
             showNextButton(!currentDate.plusDays(7).isHolidays)
             updateNavigationWeek("${currentDate.monday.toFormattedString("dd.MM")} - " +
-                currentDate.friday.toFormattedString("dd.MM"))
+                currentDate.sunday.toFormattedString("dd.MM"))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkView.kt
index 977a5b73f..a1d6a04a9 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkView.kt
@@ -5,20 +5,24 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface HomeworkView : BaseView {
 
+    val isViewEmpty: Boolean
+
     fun initView()
 
-    fun updateData(data: List<HomeworkItem>)
+    fun updateData(data: List<HomeworkItem<*>>)
 
     fun clearData()
 
     fun updateNavigationWeek(date: String)
 
-    fun isViewEmpty(): Boolean
-
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt
new file mode 100644
index 000000000..cd9a7e851
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt
@@ -0,0 +1,106 @@
+package io.github.wulkanowy.ui.modules.homework.details
+
+import android.view.LayoutInflater
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.databinding.ItemHomeworkDialogAttachmentBinding
+import io.github.wulkanowy.databinding.ItemHomeworkDialogAttachmentsHeaderBinding
+import io.github.wulkanowy.databinding.ItemHomeworkDialogDetailsBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class HomeworkDetailsAdapter @Inject constructor() :
+    RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        DETAILS(1),
+        ATTACHMENTS_HEADER(2),
+        ATTACHMENT(3)
+    }
+
+    private var attachments = emptyList<Pair<String, String>>()
+
+    var homework: Homework? = null
+        set(value) {
+            field = value
+            attachments = value?.attachments.orEmpty()
+        }
+
+    var isHomeworkFullscreen = false
+
+    var onAttachmentClickListener: (url: String) -> Unit = {}
+
+    var onFullScreenClickListener = {}
+
+    var onFullScreenExitClickListener = {}
+
+    override fun getItemCount() = 1 + if (attachments.isNotEmpty()) attachments.size + 1 else 0
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.DETAILS.id
+        1 -> ViewType.ATTACHMENTS_HEADER.id
+        else -> ViewType.ATTACHMENT.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.ATTACHMENTS_HEADER.id -> AttachmentsHeaderViewHolder(ItemHomeworkDialogAttachmentsHeaderBinding.inflate(inflater, parent, false))
+            ViewType.ATTACHMENT.id -> AttachmentViewHolder(ItemHomeworkDialogAttachmentBinding.inflate(inflater, parent, false))
+            else -> DetailsViewHolder(ItemHomeworkDialogDetailsBinding.inflate(inflater, parent, false))
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is DetailsViewHolder -> bindDetailsViewHolder(holder)
+            is AttachmentViewHolder -> bindAttachmentViewHolder(holder, position - 2)
+        }
+    }
+
+    private fun bindDetailsViewHolder(holder: DetailsViewHolder) {
+        with(holder.binding) {
+            homeworkDialogDate.text = homework?.date?.toFormattedString()
+            homeworkDialogEntryDate.text = homework?.entryDate?.toFormattedString()
+            homeworkDialogSubject.text = homework?.subject
+            homeworkDialogTeacher.text = homework?.teacher
+            homeworkDialogContent.text = homework?.content
+            homeworkDialogFullScreen.visibility = if (isHomeworkFullscreen) GONE else VISIBLE
+            homeworkDialogFullScreenExit.visibility = if (isHomeworkFullscreen) VISIBLE else GONE
+            homeworkDialogFullScreen.setOnClickListener {
+                homeworkDialogFullScreen.visibility = GONE
+                homeworkDialogFullScreenExit.visibility = VISIBLE
+                onFullScreenClickListener()
+            }
+            homeworkDialogFullScreenExit.setOnClickListener {
+                homeworkDialogFullScreen.visibility = VISIBLE
+                homeworkDialogFullScreenExit.visibility = GONE
+                onFullScreenExitClickListener()
+            }
+        }
+    }
+
+    private fun bindAttachmentViewHolder(holder: AttachmentViewHolder, position: Int) {
+        val item = attachments[position]
+
+        with(holder.binding) {
+            homeworkDialogAttachment.text = item.second
+            root.setOnClickListener {
+                onAttachmentClickListener(item.first)
+            }
+        }
+    }
+
+    class DetailsViewHolder(val binding: ItemHomeworkDialogDetailsBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class AttachmentsHeaderViewHolder(val binding: ItemHomeworkDialogAttachmentsHeaderBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class AttachmentViewHolder(val binding: ItemHomeworkDialogAttachmentBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt
new file mode 100644
index 000000000..93045a481
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt
@@ -0,0 +1,100 @@
+package io.github.wulkanowy.ui.modules.homework.details
+
+import android.annotation.SuppressLint
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.view.ViewGroup.LayoutParams.MATCH_PARENT
+import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.databinding.DialogHomeworkBinding
+import io.github.wulkanowy.ui.base.BaseDialogFragment
+import io.github.wulkanowy.utils.openInternetBrowser
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class HomeworkDetailsDialog : BaseDialogFragment<DialogHomeworkBinding>(), HomeworkDetailsView {
+
+    @Inject
+    lateinit var presenter: HomeworkDetailsPresenter
+
+    @Inject
+    lateinit var detailsAdapter: HomeworkDetailsAdapter
+
+    private lateinit var homework: Homework
+
+    companion object {
+
+        private const val ARGUMENT_KEY = "Item"
+
+        fun newInstance(homework: Homework) = HomeworkDetailsDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, homework) }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setStyle(STYLE_NO_TITLE, 0)
+        arguments?.run {
+            homework = getSerializable(ARGUMENT_KEY) as Homework
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogHomeworkBinding.inflate(inflater).apply { binding = this }.root
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    @SuppressLint("SetTextI18n")
+    override fun initView() {
+        with(binding) {
+            homeworkDialogRead.text =
+                view?.context?.getString(if (homework.isDone) R.string.homework_mark_as_undone else R.string.homework_mark_as_done)
+            homeworkDialogRead.setOnClickListener { presenter.toggleDone(homework) }
+            homeworkDialogClose.setOnClickListener { dismiss() }
+        }
+
+        if (presenter.isHomeworkFullscreen) {
+            dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+        } else {
+            dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+        }
+
+        with(binding.homeworkDialogRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = detailsAdapter.apply {
+                onAttachmentClickListener = { context.openInternetBrowser(it, ::showMessage) }
+                onFullScreenClickListener = {
+                    dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+                    presenter.isHomeworkFullscreen = true
+                }
+                onFullScreenExitClickListener = {
+                    dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+                    presenter.isHomeworkFullscreen = false
+                }
+                isHomeworkFullscreen = presenter.isHomeworkFullscreen
+                homework = this@HomeworkDetailsDialog.homework
+            }
+        }
+    }
+
+    override fun updateMarkAsDoneLabel(isDone: Boolean) {
+        binding.homeworkDialogRead.text =
+            view?.context?.getString(if (isDone) R.string.homework_mark_as_undone else R.string.homework_mark_as_done)
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
new file mode 100644
index 000000000..ca6fc71ee
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
@@ -0,0 +1,52 @@
+package io.github.wulkanowy.ui.modules.homework.details
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.Homework
+import io.github.wulkanowy.data.repositories.HomeworkRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class HomeworkDetailsPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val homeworkRepository: HomeworkRepository,
+    private val analytics: AnalyticsHelper,
+    private val preferencesRepository: PreferencesRepository
+) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository) {
+
+    var isHomeworkFullscreen
+        get() = preferencesRepository.isHomeworkFullscreen
+        set(value) {
+            preferencesRepository.isHomeworkFullscreen = value
+        }
+
+    override fun onAttachView(view: HomeworkDetailsView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Homework details view was initialized")
+    }
+
+    fun toggleDone(homework: Homework) {
+        flowWithResource { homeworkRepository.toggleDone(homework) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Homework details update start")
+                Status.SUCCESS -> {
+                    Timber.i("Homework details update: Success")
+                    view?.updateMarkAsDoneLabel(homework.isDone)
+                    analytics.logEvent("homework_mark_as_done")
+                }
+                Status.ERROR -> {
+                    Timber.i("Homework details update result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("toggle")
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsView.kt
new file mode 100644
index 000000000..697f22335
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsView.kt
@@ -0,0 +1,10 @@
+package io.github.wulkanowy.ui.modules.homework.details
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface HomeworkDetailsView : BaseView {
+
+    fun initView()
+
+    fun updateMarkAsDoneLabel(isDone: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
index 5e707b8a6..8d96a498f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt
@@ -3,63 +3,99 @@ package io.github.wulkanowy.ui.modules.login
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
+import android.view.MenuItem
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ActivityLoginBinding
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
+import io.github.wulkanowy.ui.modules.login.advanced.LoginAdvancedFragment
 import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
+import io.github.wulkanowy.ui.modules.login.recover.LoginRecoverFragment
 import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
 import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
+import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.setOnSelectPageListener
-import kotlinx.android.synthetic.main.activity_login.*
 import javax.inject.Inject
 
-class LoginActivity : BaseActivity<LoginPresenter>(), LoginView {
+@AndroidEntryPoint
+class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), LoginView {
 
     @Inject
     override lateinit var presenter: LoginPresenter
 
+    private val loginAdapter = BaseFragmentPagerAdapter(supportFragmentManager)
+
     @Inject
-    lateinit var loginAdapter: BaseFragmentPagerAdapter
+    lateinit var updateHelper: UpdateHelper
 
     companion object {
+
         fun getStartIntent(context: Context) = Intent(context, LoginActivity::class.java)
     }
 
-    override val currentViewIndex: Int
-        get() = loginViewpager.currentItem
+    override val currentViewIndex get() = binding.loginViewpager.currentItem
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_login)
-        messageContainer = loginContainer
+        setContentView(ActivityLoginBinding.inflate(layoutInflater).apply { binding = this }.root)
+        setSupportActionBar(binding.loginToolbar)
+        messageContainer = binding.loginContainer
+        updateHelper.messageContainer = binding.loginContainer
 
         presenter.onAttachView(this)
+        updateHelper.checkAndInstallUpdates(this)
     }
 
-    override fun initAdapter() {
-        loginAdapter.apply {
-            containerId = loginViewpager.id
-            addFragments(listOf(
-                LoginFormFragment.newInstance(),
-                LoginSymbolFragment.newInstance(),
-                LoginStudentSelectFragment.newInstance()
-            ))
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    //https://developer.android.com/guide/playcore/in-app-updates#status_callback
+    @Suppress("DEPRECATION")
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
+    }
+
+    override fun initView() {
+        with(requireNotNull(supportActionBar)) {
+            setDisplayHomeAsUpEnabled(true)
+            setDisplayShowTitleEnabled(false)
         }
 
-        loginViewpager.run {
+        with(loginAdapter) {
+            containerId = binding.loginViewpager.id
+            addFragments(
+                listOf(
+                    LoginFormFragment.newInstance(),
+                    LoginSymbolFragment.newInstance(),
+                    LoginStudentSelectFragment.newInstance(),
+                    LoginAdvancedFragment.newInstance(),
+                    LoginRecoverFragment.newInstance()
+                )
+            )
+        }
+
+        with(binding.loginViewpager) {
             offscreenPageLimit = 2
             adapter = loginAdapter
-            setOnSelectPageListener { presenter.onViewSelected(it) }
+            setOnSelectPageListener(presenter::onViewSelected)
         }
     }
 
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) onBackPressed()
+        return true
+    }
+
     override fun switchView(index: Int) {
-        loginViewpager.setCurrentItem(index, false)
+        binding.loginViewpager.setCurrentItem(index, false)
     }
 
     override fun showActionBar(show: Boolean) {
-        supportActionBar?.apply { if (show) show() else hide() }
+        supportActionBar?.run { if (show) show() else hide() }
     }
 
     override fun onBackPressed() {
@@ -67,18 +103,32 @@ class LoginActivity : BaseActivity<LoginPresenter>(), LoginView {
     }
 
     override fun notifyInitSymbolFragment(loginData: Triple<String, String, String>) {
-        (loginAdapter.getFragmentInstance(1) as? LoginSymbolFragment)?.onParentInitSymbolFragment(loginData)
+        (loginAdapter.getFragmentInstance(1) as? LoginSymbolFragment)?.onParentInitSymbolFragment(
+            loginData
+        )
     }
 
-    override fun notifyInitStudentSelectFragment(students: List<Student>) {
-        (loginAdapter.getFragmentInstance(2) as? LoginStudentSelectFragment)?.onParentInitStudentSelectFragment(students)
+    override fun notifyInitStudentSelectFragment(studentsWithSemesters: List<StudentWithSemesters>) {
+        (loginAdapter.getFragmentInstance(2) as? LoginStudentSelectFragment)
+            ?.onParentInitStudentSelectFragment(studentsWithSemesters)
     }
 
-    fun onFormFragmentAccountLogged(students: List<Student>, loginData: Triple<String, String, String>) {
-        presenter.onFormViewAccountLogged(students, loginData)
+    fun onFormFragmentAccountLogged(
+        studentsWithSemesters: List<StudentWithSemesters>,
+        loginData: Triple<String, String, String>
+    ) {
+        presenter.onFormViewAccountLogged(studentsWithSemesters, loginData)
     }
 
-    fun onSymbolFragmentAccountLogged(students: List<Student>) {
-        presenter.onSymbolViewAccountLogged(students)
+    fun onSymbolFragmentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>) {
+        presenter.onSymbolViewAccountLogged(studentsWithSemesters)
+    }
+
+    fun onAdvancedLoginClick() {
+        presenter.onAdvancedLoginClick()
+    }
+
+    fun onRecoverClick() {
+        presenter.onRecoverClick()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
index a70ff2d65..ed4563246 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginErrorHandler.kt
@@ -2,25 +2,35 @@ package io.github.wulkanowy.ui.modules.login
 
 import android.content.res.Resources
 import android.database.sqlite.SQLiteConstraintException
-import com.readystatesoftware.chuck.api.ChuckCollector
 import io.github.wulkanowy.R
-import io.github.wulkanowy.api.login.BadCredentialsException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidPinException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidSymbolException
+import io.github.wulkanowy.sdk.mobile.exception.InvalidTokenException
+import io.github.wulkanowy.sdk.mobile.exception.TokenDeadException
+import io.github.wulkanowy.sdk.scrapper.login.BadCredentialsException
 import io.github.wulkanowy.ui.base.ErrorHandler
 import javax.inject.Inject
 
-class LoginErrorHandler @Inject constructor(
-    resources: Resources,
-    chuckCollector: ChuckCollector
-) : ErrorHandler(resources, chuckCollector) {
+class LoginErrorHandler @Inject constructor(resources: Resources) : ErrorHandler(resources) {
 
     var onBadCredentials: () -> Unit = {}
 
+    var onInvalidToken: (String) -> Unit = {}
+
+    var onInvalidPin: (String) -> Unit = {}
+
+    var onInvalidSymbol: (String) -> Unit = {}
+
     var onStudentDuplicate: (String) -> Unit = {}
 
     override fun proceed(error: Throwable) {
         when (error) {
             is BadCredentialsException -> onBadCredentials()
             is SQLiteConstraintException -> onStudentDuplicate(resources.getString(R.string.login_duplicate_student))
+            is TokenDeadException -> onInvalidToken(resources.getString(R.string.login_expired_token))
+            is InvalidTokenException -> onInvalidToken(resources.getString(R.string.login_invalid_token))
+            is InvalidPinException -> onInvalidPin(resources.getString(R.string.login_invalid_pin))
+            is InvalidSymbolException -> onInvalidSymbol(resources.getString(R.string.login_invalid_symbol))
             else -> super.proceed(error)
         }
     }
@@ -28,5 +38,9 @@ class LoginErrorHandler @Inject constructor(
     override fun clear() {
         super.clear()
         onBadCredentials = {}
+        onStudentDuplicate = {}
+        onInvalidToken = {}
+        onInvalidPin = {}
+        onInvalidSymbol = {}
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginModule.kt
deleted file mode 100644
index a0b98be72..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginModule.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-package io.github.wulkanowy.ui.modules.login
-
-import dagger.Module
-import dagger.Provides
-import dagger.android.ContributesAndroidInjector
-import io.github.wulkanowy.di.scopes.PerActivity
-import io.github.wulkanowy.di.scopes.PerFragment
-import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
-import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
-import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
-import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
-
-@Suppress("unused")
-@Module
-internal abstract class LoginModule {
-
-    @Module
-    companion object {
-
-        @JvmStatic
-        @PerActivity
-        @Provides
-        fun provideLoginAdapter(activity: LoginActivity) = BaseFragmentPagerAdapter(activity.supportFragmentManager)
-    }
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindLoginFormFragment(): LoginFormFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindLoginSymbolFragment(): LoginSymbolFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindLoginSelectStudentFragment(): LoginStudentSelectFragment
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
index 87827152e..aa1e7eced 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
@@ -1,55 +1,61 @@
 package io.github.wulkanowy.ui.modules.login
 
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class LoginPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<LoginView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: LoginView) {
         super.onAttachView(view)
-        view.run {
-            initAdapter()
+        with(view) {
+            initView()
             showActionBar(false)
         }
         Timber.i("Login view was initialized")
     }
 
-    fun onFormViewAccountLogged(students: List<Student>, loginData: Triple<String, String, String>) {
+    fun onFormViewAccountLogged(studentsWithSemesters: List<StudentWithSemesters>, loginData: Triple<String, String, String>) {
         view?.apply {
-            if (students.isEmpty()) {
+            if (studentsWithSemesters.isEmpty()) {
                 Timber.i("Switch to symbol form")
                 notifyInitSymbolFragment(loginData)
                 switchView(1)
             } else {
                 Timber.i("Switch to student select")
-                notifyInitStudentSelectFragment(students)
+                notifyInitStudentSelectFragment(studentsWithSemesters)
                 switchView(2)
             }
         }
     }
 
-    fun onSymbolViewAccountLogged(students: List<Student>) {
+    fun onSymbolViewAccountLogged(studentsWithSemesters: List<StudentWithSemesters>) {
         view?.apply {
             Timber.i("Switch to student select")
-            notifyInitStudentSelectFragment(students)
+            notifyInitStudentSelectFragment(studentsWithSemesters)
             switchView(2)
         }
     }
 
+    fun onAdvancedLoginClick() {
+        view?.switchView(3)
+    }
+
+    fun onRecoverClick() {
+        view?.switchView(4)
+    }
+
     fun onViewSelected(index: Int) {
         view?.apply {
             when (index) {
-                0, 1 -> showActionBar(false)
-                2 -> showActionBar(true)
+                0 -> showActionBar(false)
+                1, 2, 3, 4 -> showActionBar(true)
             }
         }
     }
@@ -58,7 +64,7 @@ class LoginPresenter @Inject constructor(
         Timber.i("Back pressed in login view")
         view?.apply {
             when (currentViewIndex) {
-                1, 2 -> switchView(0)
+                1, 2, 3, 4 -> switchView(0)
                 else -> default()
             }
         }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginView.kt
index 58d356bbd..2a5cf316a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginView.kt
@@ -1,13 +1,13 @@
 package io.github.wulkanowy.ui.modules.login
 
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface LoginView : BaseView {
 
     val currentViewIndex: Int
 
-    fun initAdapter()
+    fun initView()
 
     fun switchView(index: Int)
 
@@ -15,5 +15,5 @@ interface LoginView : BaseView {
 
     fun notifyInitSymbolFragment(loginData: Triple<String, String, String>)
 
-    fun notifyInitStudentSelectFragment(students: List<Student>)
+    fun notifyInitStudentSelectFragment(studentsWithSemesters: List<StudentWithSemesters>)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
new file mode 100644
index 000000000..9231914c8
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedFragment.kt
@@ -0,0 +1,315 @@
+package io.github.wulkanowy.ui.modules.login.advanced
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.widget.ArrayAdapter
+import androidx.core.widget.doOnTextChanged
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentLoginAdvancedBinding
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.ui.modules.login.form.LoginSymbolAdapter
+import io.github.wulkanowy.utils.hideSoftInput
+import io.github.wulkanowy.utils.setOnEditorDoneSignIn
+import io.github.wulkanowy.utils.showSoftInput
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class LoginAdvancedFragment :
+    BaseFragment<FragmentLoginAdvancedBinding>(R.layout.fragment_login_advanced),
+    LoginAdvancedView {
+
+    @Inject
+    lateinit var presenter: LoginAdvancedPresenter
+
+    companion object {
+        fun newInstance() = LoginAdvancedFragment()
+    }
+
+    override val formLoginType: String
+        get() = when (binding.loginTypeSwitch.checkedRadioButtonId) {
+            R.id.loginTypeApi -> "API"
+            R.id.loginTypeScrapper -> "SCRAPPER"
+            else -> "HYBRID"
+        }
+
+    override val formUsernameValue: String
+        get() = binding.loginFormUsername.text.toString().trim()
+
+    override val formPassValue: String
+        get() = binding.loginFormPass.text.toString().trim()
+
+    private lateinit var hostKeys: Array<String>
+
+    private lateinit var hostValues: Array<String>
+
+    private lateinit var hostSymbols: Array<String>
+
+    override val formHostValue: String
+        get() = hostValues.getOrNull(hostKeys.indexOf(binding.loginFormHost.text.toString())).orEmpty()
+
+    override val formHostSymbol: String
+        get() = hostSymbols.getOrNull(hostKeys.indexOf(binding.loginFormHost.text.toString())).orEmpty()
+
+    override val formPinValue: String
+        get() = binding.loginFormPin.text.toString().trim()
+
+    override val formSymbolValue: String
+        get() = binding.loginFormSymbol.text.toString().trim()
+
+    override val formTokenValue: String
+        get() = binding.loginFormToken.text.toString().trim()
+
+    override val nicknameLabel: String
+        get() = getString(R.string.login_nickname_hint)
+
+    override val emailLabel: String
+        get() = getString(R.string.login_email_hint)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLoginAdvancedBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        hostKeys = resources.getStringArray(R.array.hosts_keys)
+        hostValues = resources.getStringArray(R.array.hosts_values)
+        hostSymbols = resources.getStringArray(R.array.hosts_symbols)
+
+        with(binding) {
+            loginFormUsername.doOnTextChanged { _, _, _, _ -> presenter.onUsernameTextChanged() }
+            loginFormPass.doOnTextChanged { _, _, _, _ -> presenter.onPassTextChanged() }
+            loginFormPin.doOnTextChanged { _, _, _, _ -> presenter.onPinTextChanged() }
+            loginFormSymbol.doOnTextChanged { _, _, _, _ -> presenter.onSymbolTextChanged() }
+            loginFormToken.doOnTextChanged { _, _, _, _ -> presenter.onTokenTextChanged() }
+            loginFormHost.setOnItemClickListener { _, _, _, _ -> presenter.onHostSelected() }
+            loginFormSignIn.setOnClickListener { presenter.onSignInClick() }
+
+            loginTypeSwitch.setOnCheckedChangeListener { _, checkedId ->
+                presenter.onLoginModeSelected(when (checkedId) {
+                    R.id.loginTypeApi -> Sdk.Mode.API
+                    R.id.loginTypeScrapper -> Sdk.Mode.SCRAPPER
+                    else -> Sdk.Mode.HYBRID
+                })
+            }
+
+            loginFormPin.setOnEditorDoneSignIn { loginFormSignIn.callOnClick() }
+            loginFormPass.setOnEditorDoneSignIn { loginFormSignIn.callOnClick() }
+
+            loginFormSymbol.setAdapter(ArrayAdapter(requireContext(), android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))
+        }
+
+        with(binding.loginFormHost) {
+            setText(hostKeys.getOrNull(0).orEmpty())
+            setAdapter(LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
+            setOnClickListener { if (binding.loginFormContainer.visibility == GONE) dismissDropDown() }
+        }
+    }
+
+    override fun showMobileApiWarningMessage() {
+        binding.loginFormAdvancedWarningInfo.text = getString(R.string.login_advanced_warning_mobile_api)
+    }
+
+    override fun showScraperWarningMessage() {
+        binding.loginFormAdvancedWarningInfo.text = getString(R.string.login_advanced_warning_scraper)
+    }
+
+    override fun showHybridWarningMessage() {
+        binding.loginFormAdvancedWarningInfo.text = getString(R.string.login_advanced_warning_hybrid)
+    }
+
+    override fun setDefaultCredentials(username: String, pass: String, symbol: String, token: String, pin: String) {
+        with(binding) {
+            loginFormUsername.setText(username)
+            loginFormPass.setText(pass)
+            loginFormToken.setText(token)
+            loginFormSymbol.setText(symbol)
+            loginFormPin.setText(pin)
+        }
+    }
+
+    override fun setUsernameLabel(label: String) {
+        binding.loginFormUsernameLayout.hint = label
+    }
+
+    override fun setSymbol(symbol: String) {
+        binding.loginFormSymbol.setText(symbol)
+    }
+
+    override fun setErrorUsernameRequired() {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setErrorLoginRequired() {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_invalid_login)
+        }
+    }
+
+    override fun setErrorEmailRequired() {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_invalid_email)
+        }
+    }
+
+    override fun setErrorPassRequired(focus: Boolean) {
+        with(binding.loginFormPassLayout) {
+            if (focus) requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setErrorPassInvalid(focus: Boolean) {
+        with(binding.loginFormPassLayout) {
+            if (focus) requestFocus()
+            error = getString(R.string.login_invalid_password)
+        }
+    }
+
+    override fun setErrorPassIncorrect() {
+        with(binding.loginFormPassLayout) {
+            requestFocus()
+            error = getString(R.string.login_incorrect_password)
+        }
+    }
+
+    override fun setErrorPinRequired() {
+        with(binding.loginFormPinLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setErrorPinInvalid(message: String) {
+        with(binding.loginFormPinLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
+    override fun setErrorSymbolRequired() {
+        with(binding.loginFormSymbolLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setErrorSymbolInvalid(message: String) {
+        with(binding.loginFormSymbolLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
+    override fun setErrorTokenRequired() {
+        with(binding.loginFormTokenLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setErrorTokenInvalid(message: String) {
+        with(binding.loginFormTokenLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
+    override fun clearUsernameError() {
+        binding.loginFormUsernameLayout.error = null
+    }
+
+    override fun clearPassError() {
+        binding.loginFormPassLayout.error = null
+    }
+
+    override fun clearPinKeyError() {
+        binding.loginFormPinLayout.error = null
+    }
+
+    override fun clearSymbolError() {
+        binding.loginFormSymbolLayout.error = null
+    }
+
+    override fun clearTokenError() {
+        binding.loginFormTokenLayout.error = null
+    }
+
+    override fun showOnlyHybridModeInputs() {
+        with(binding) {
+            loginFormUsernameLayout.visibility = VISIBLE
+            loginFormPassLayout.visibility = VISIBLE
+            loginFormHostLayout.visibility = VISIBLE
+            loginFormPinLayout.visibility = GONE
+            loginFormSymbolLayout.visibility = VISIBLE
+            loginFormTokenLayout.visibility = GONE
+        }
+    }
+
+    override fun showOnlyScrapperModeInputs() {
+        with(binding) {
+            loginFormUsernameLayout.visibility = VISIBLE
+            loginFormPassLayout.visibility = VISIBLE
+            loginFormHostLayout.visibility = VISIBLE
+            loginFormPinLayout.visibility = GONE
+            loginFormSymbolLayout.visibility = VISIBLE
+            loginFormTokenLayout.visibility = GONE
+        }
+    }
+
+    override fun showOnlyMobileApiModeInputs() {
+        with(binding) {
+            loginFormUsernameLayout.visibility = GONE
+            loginFormPassLayout.visibility = GONE
+            loginFormHostLayout.visibility = GONE
+            loginFormPinLayout.visibility = VISIBLE
+            loginFormSymbolLayout.visibility = VISIBLE
+            loginFormTokenLayout.visibility = VISIBLE
+        }
+    }
+
+    override fun showSoftKeyboard() {
+        activity?.showSoftInput()
+    }
+
+    override fun hideSoftKeyboard() {
+        activity?.hideSoftInput()
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.loginFormProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.loginFormContainer.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>) {
+        (activity as? LoginActivity)?.onFormFragmentAccountLogged(studentsWithSemesters, Triple(
+            binding.loginFormUsername.text.toString(),
+            binding.loginFormPass.text.toString(),
+            resources.getStringArray(R.array.hosts_values)[1]
+        ))
+    }
+
+    override fun onResume() {
+        super.onResume()
+        presenter.updateUsernameLabel()
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
new file mode 100644
index 000000000..891a6b0bb
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
@@ -0,0 +1,239 @@
+package io.github.wulkanowy.ui.modules.login.advanced
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.ifNullOrBlank
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class LoginAdvancedPresenter @Inject constructor(
+    studentRepository: StudentRepository,
+    private val loginErrorHandler: LoginErrorHandler,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LoginAdvancedView>(loginErrorHandler, studentRepository) {
+
+    override fun onAttachView(view: LoginAdvancedView) {
+        super.onAttachView(view)
+        view.run {
+            initView()
+            showOnlyScrapperModeInputs()
+            with(loginErrorHandler) {
+                onBadCredentials = ::onBadCredentials
+                onInvalidToken = ::onInvalidToken
+                onInvalidSymbol = ::onInvalidSymbol
+                onInvalidPin = ::onInvalidPin
+            }
+        }
+    }
+
+    private fun onBadCredentials() {
+        view?.run {
+            setErrorPassIncorrect()
+            showSoftKeyboard()
+            Timber.i("Entered wrong username or password")
+        }
+    }
+
+    private fun onInvalidToken(message: String) {
+        view?.run {
+            setErrorTokenInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid token")
+        }
+    }
+
+    private fun onInvalidSymbol(message: String) {
+        view?.run {
+            setErrorSymbolInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid symbol")
+        }
+    }
+
+    private fun onInvalidPin(message: String) {
+        view?.run {
+            setErrorPinInvalid(message)
+            showSoftKeyboard()
+            Timber.i("Entered invalid PIN")
+        }
+    }
+
+    fun updateUsernameLabel() {
+        view?.apply {
+            setUsernameLabel(if ("vulcan" in formHostValue || "fakelog" in formHostValue) emailLabel else nicknameLabel)
+        }
+    }
+
+    fun onHostSelected() {
+        view?.apply {
+            clearPassError()
+            clearUsernameError()
+            if (formHostValue.contains("fakelog")) {
+                setDefaultCredentials("jan@fakelog.cf", "jan123", "powiatwulkanowy", "FK100000", "999999")
+            }
+            setSymbol(formHostSymbol)
+            updateUsernameLabel()
+        }
+    }
+
+    fun onLoginModeSelected(type: Sdk.Mode) {
+        view?.run {
+            when (type) {
+                Sdk.Mode.API -> {
+                    showOnlyMobileApiModeInputs()
+                    showMobileApiWarningMessage()
+                }
+                Sdk.Mode.SCRAPPER -> {
+                    showOnlyScrapperModeInputs()
+                    showScraperWarningMessage()
+                }
+                Sdk.Mode.HYBRID -> {
+                    showOnlyHybridModeInputs()
+                    showHybridWarningMessage()
+                }
+            }
+        }
+    }
+
+    fun onPassTextChanged() {
+        view?.clearPassError()
+    }
+
+    fun onUsernameTextChanged() {
+        view?.clearUsernameError()
+    }
+
+    fun onPinTextChanged() {
+        view?.clearPinKeyError()
+    }
+
+    fun onSymbolTextChanged() {
+        view?.clearSymbolError()
+    }
+
+    fun onTokenTextChanged() {
+        view?.clearTokenError()
+    }
+
+    fun onSignInClick() {
+        if (!validateCredentials()) return
+
+        flowWithResource { getStudentsAppropriatesToLoginType() }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Login started")
+                    hideSoftKeyboard()
+                    showProgress(true)
+                    showContent(false)
+                }
+                Status.SUCCESS -> {
+                    Timber.i("Login result: Success")
+                    analytics.logEvent("registration_form",
+                        "success" to true,
+                        "students" to it.data!!.size,
+                        "error" to "No error"
+                    )
+                    view?.notifyParentAccountLogged(it.data)
+                }
+                Status.ERROR -> {
+                    Timber.i("Login result: An exception occurred")
+                    analytics.logEvent(
+                        "registration_form",
+                        "success" to false, "students" to -1,
+                        "error" to it.error!!.message.ifNullOrBlank { "No message" }
+                    )
+                    loginErrorHandler.dispatch(it.error)
+                }
+            }
+        }.afterLoading {
+            view?.apply {
+                showProgress(false)
+                showContent(true)
+            }
+        }.launch("login")
+    }
+
+    private suspend fun getStudentsAppropriatesToLoginType(): List<StudentWithSemesters> {
+        val email = view?.formUsernameValue.orEmpty()
+        val password = view?.formPassValue.orEmpty()
+        val endpoint = view?.formHostValue.orEmpty()
+
+        val pin = view?.formPinValue.orEmpty()
+        val symbol = view?.formSymbolValue.orEmpty()
+        val token = view?.formTokenValue.orEmpty()
+
+        return when (Sdk.Mode.valueOf(view?.formLoginType.orEmpty())) {
+            Sdk.Mode.API -> studentRepository.getStudentsApi(pin, symbol, token)
+            Sdk.Mode.SCRAPPER -> studentRepository.getStudentsScrapper(email, password, endpoint, symbol)
+            Sdk.Mode.HYBRID -> studentRepository.getStudentsHybrid(email, password, endpoint, symbol)
+        }
+    }
+
+    private fun validateCredentials(): Boolean {
+        val login = view?.formUsernameValue.orEmpty()
+        val password = view?.formPassValue.orEmpty()
+
+        val host = view?.formHostValue.orEmpty()
+
+        val pin = view?.formPinValue.orEmpty()
+        val symbol = view?.formSymbolValue.orEmpty()
+        val token = view?.formTokenValue.orEmpty()
+
+        var isCorrect = true
+
+        when (Sdk.Mode.valueOf(view?.formLoginType ?: "")) {
+            Sdk.Mode.API -> {
+                if (pin.isEmpty()) {
+                    view?.setErrorPinRequired()
+                    isCorrect = false
+                }
+
+                if (symbol.isEmpty()) {
+                    view?.setErrorSymbolRequired()
+                    isCorrect = false
+                }
+
+                if (token.isEmpty()) {
+                    view?.setErrorTokenRequired()
+                    isCorrect = false
+                }
+            }
+            Sdk.Mode.HYBRID, Sdk.Mode.SCRAPPER -> {
+                if (login.isEmpty()) {
+                    view?.setErrorUsernameRequired()
+                    isCorrect = false
+                } else {
+                    if ("@" in login && "standard" !in host) {
+                        view?.setErrorLoginRequired()
+                        isCorrect = false
+                    }
+
+                    if ("@" !in login && "standard" in host) {
+                        view?.setErrorEmailRequired()
+                        isCorrect = false
+                    }
+                }
+
+                if (password.isEmpty()) {
+                    view?.setErrorPassRequired(focus = isCorrect)
+                    isCorrect = false
+                }
+
+                if (password.length < 6 && password.isNotEmpty()) {
+                    view?.setErrorPassInvalid(focus = isCorrect)
+                    isCorrect = false
+                }
+            }
+        }
+
+        return isCorrect
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt
new file mode 100644
index 000000000..029a6b4d4
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedView.kt
@@ -0,0 +1,91 @@
+package io.github.wulkanowy.ui.modules.login.advanced
+
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.ui.base.BaseView
+
+interface LoginAdvancedView : BaseView {
+
+    val formUsernameValue: String
+
+    val formPassValue: String
+
+    val formHostValue: String
+
+    val formHostSymbol: String
+
+    val formLoginType: String
+
+    val formPinValue: String
+
+    val formSymbolValue: String
+
+    val formTokenValue: String
+
+    val nicknameLabel: String
+
+    val emailLabel: String
+
+    fun initView()
+
+    fun showMobileApiWarningMessage()
+
+    fun showScraperWarningMessage()
+
+    fun showHybridWarningMessage()
+
+    fun setDefaultCredentials(username: String, pass: String, symbol: String, token: String, pin: String)
+
+    fun setUsernameLabel(label: String)
+
+    fun setSymbol(symbol: String)
+
+    fun setErrorUsernameRequired()
+
+    fun setErrorLoginRequired()
+
+    fun setErrorEmailRequired()
+
+    fun setErrorPassRequired(focus: Boolean)
+
+    fun setErrorPassInvalid(focus: Boolean)
+
+    fun setErrorPassIncorrect()
+
+    fun clearUsernameError()
+
+    fun clearPassError()
+
+    fun clearPinKeyError()
+
+    fun clearSymbolError()
+
+    fun clearTokenError()
+
+    fun showSoftKeyboard()
+
+    fun hideSoftKeyboard()
+
+    fun showProgress(show: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>)
+
+    fun setErrorPinRequired()
+
+    fun setErrorPinInvalid(message: String)
+
+    fun setErrorSymbolRequired()
+
+    fun setErrorSymbolInvalid(message: String)
+
+    fun setErrorTokenRequired()
+
+    fun setErrorTokenInvalid(message: String)
+
+    fun showOnlyHybridModeInputs()
+
+    fun showOnlyScrapperModeInputs()
+
+    fun showOnlyMobileApiModeInputs()
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt
index 94259aa8a..4e09bd4d6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormFragment.kt
@@ -2,27 +2,27 @@ package io.github.wulkanowy.ui.modules.login.form
 
 import android.annotation.SuppressLint
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
-import android.view.inputmethod.EditorInfo.IME_NULL
-import android.widget.ArrayAdapter
 import androidx.core.widget.doOnTextChanged
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentLoginFormBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.hideSoftInput
+import io.github.wulkanowy.utils.openEmailClient
 import io.github.wulkanowy.utils.openInternetBrowser
+import io.github.wulkanowy.utils.setOnEditorDoneSignIn
 import io.github.wulkanowy.utils.showSoftInput
-import kotlinx.android.synthetic.main.fragment_login_form.*
 import javax.inject.Inject
 
-class LoginFormFragment : BaseFragment(), LoginFormView {
+@AndroidEntryPoint
+class LoginFormFragment : BaseFragment<FragmentLoginFormBinding>(R.layout.fragment_login_form),
+    LoginFormView {
 
     @Inject
     lateinit var presenter: LoginFormPresenter
@@ -34,89 +34,135 @@ class LoginFormFragment : BaseFragment(), LoginFormView {
         fun newInstance() = LoginFormFragment()
     }
 
-    override val formNameValue get() = loginFormName.text.toString()
+    override val formUsernameValue: String
+        get() = binding.loginFormUsername.text.toString()
 
-    override val formPassValue get() = loginFormPass.text.toString()
+    override val formPassValue: String
+        get() = binding.loginFormPass.text.toString()
 
-    override val formHostValue
-        get() = hostValues.getOrNull(hostKeys.indexOf(loginFormHost.text.toString()))
+    override val formHostValue: String
+        get() = hostValues.getOrNull(hostKeys.indexOf(binding.loginFormHost.text.toString())).orEmpty()
+
+    override val formHostSymbol: String
+        get() = hostSymbols.getOrNull(hostKeys.indexOf(binding.loginFormHost.text.toString())).orEmpty()
+
+    override val nicknameLabel: String
+        get() = getString(R.string.login_nickname_hint)
+
+    override val emailLabel: String
+        get() = getString(R.string.login_email_hint)
 
     private lateinit var hostKeys: Array<String>
 
     private lateinit var hostValues: Array<String>
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_login_form, container, false)
-    }
+    private lateinit var hostSymbols: Array<String>
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLoginFormBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        hostKeys = resources.getStringArray(R.array.endpoints_keys)
-        hostValues = resources.getStringArray(R.array.endpoints_values)
+        hostKeys = resources.getStringArray(R.array.hosts_keys)
+        hostValues = resources.getStringArray(R.array.hosts_values)
+        hostSymbols = resources.getStringArray(R.array.hosts_symbols)
 
-        loginFormName.doOnTextChanged { _, _, _, _ -> presenter.onNameTextChanged() }
-        loginFormPass.doOnTextChanged { _, _, _, _ -> presenter.onPassTextChanged() }
-        loginFormHost.setOnItemClickListener { _, _, _, _ -> presenter.onHostSelected() }
-        loginFormSignIn.setOnClickListener { presenter.onSignInClick() }
-        loginFormPrivacyLink.setOnClickListener { presenter.onPrivacyLinkClick() }
-
-        loginFormPass.setOnEditorActionListener { _, id, _ ->
-            if (id == IME_ACTION_DONE || id == IME_NULL) loginFormSignIn.callOnClick() else false
+        with(binding) {
+            loginFormUsername.doOnTextChanged { _, _, _, _ -> presenter.onUsernameTextChanged() }
+            loginFormPass.doOnTextChanged { _, _, _, _ -> presenter.onPassTextChanged() }
+            loginFormHost.setOnItemClickListener { _, _, _, _ -> presenter.onHostSelected() }
+            loginFormSignIn.setOnClickListener { presenter.onSignInClick() }
+            loginFormAdvancedButton.setOnClickListener { presenter.onAdvancedLoginClick() }
+            loginFormPrivacyLink.setOnClickListener { presenter.onPrivacyLinkClick() }
+            loginFormFaq.setOnClickListener { presenter.onFaqClick() }
+            loginFormContactEmail.setOnClickListener { presenter.onEmailClick() }
+            loginFormRecoverLink.setOnClickListener { presenter.onRecoverClick() }
+            loginFormPass.setOnEditorDoneSignIn { loginFormSignIn.callOnClick() }
         }
 
-        with(loginFormHost) {
-            //Bug with filter in ExposedDropdownMenu on restoring state
-            isSaveEnabled = false
-
-            setText(hostKeys.getOrElse(0) { "" })
-            setAdapter(ArrayAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
-            keyListener = null
+        with(binding.loginFormHost) {
+            setText(hostKeys.getOrNull(0).orEmpty())
+            setAdapter(LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys))
+            setOnClickListener { if (binding.loginFormContainer.visibility == GONE) dismissDropDown() }
         }
     }
 
-    override fun setCredentials(name: String, pass: String) {
-        loginFormName.setText(name)
-        loginFormPass.setText(pass)
+    override fun getHostsValues(): List<String> = hostValues.toList()
+
+    override fun setCredentials(username: String, pass: String) {
+        with(binding) {
+            loginFormUsername.setText(username)
+            loginFormPass.setText(pass)
+        }
     }
 
-    override fun setErrorNameRequired() {
-        with(loginFormNameLayout) {
+    override fun setHost(host: String) {
+        binding.loginFormHost.setText(
+            hostKeys.getOrNull(hostValues.indexOf(host)).orEmpty()
+        )
+    }
+
+    override fun setUsernameLabel(label: String) {
+        binding.loginFormUsernameLayout.hint = label
+    }
+
+    override fun setErrorUsernameRequired() {
+        with(binding.loginFormUsernameLayout) {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
+    override fun setErrorLoginRequired() {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_invalid_login)
+        }
+    }
+
+    override fun setErrorEmailRequired() {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_invalid_email)
+        }
+    }
+
     override fun setErrorPassRequired(focus: Boolean) {
-        with(loginFormPassLayout) {
+        with(binding.loginFormPassLayout) {
             if (focus) requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
     override fun setErrorPassInvalid(focus: Boolean) {
-        with(loginFormPassLayout) {
+        with(binding.loginFormPassLayout) {
             if (focus) requestFocus()
             error = getString(R.string.login_invalid_password)
         }
     }
 
     override fun setErrorPassIncorrect() {
-        with(loginFormPassLayout) {
+        with(binding.loginFormPassLayout) {
             requestFocus()
             error = getString(R.string.login_incorrect_password)
         }
     }
 
-    override fun clearNameError() {
-        loginFormNameLayout.error = null
+    override fun setErrorEmailInvalid(domain: String) {
+        with(binding.loginFormUsernameLayout) {
+            requestFocus()
+            error = getString(R.string.login_invalid_custom_email,domain)
+        }
+    }
+
+    override fun clearUsernameError() {
+        binding.loginFormUsernameLayout.error = null
     }
 
     override fun clearPassError() {
-        loginFormPassLayout.error = null
+        binding.loginFormPassLayout.error = null
     }
 
     override fun showSoftKeyboard() {
@@ -128,40 +174,64 @@ class LoginFormFragment : BaseFragment(), LoginFormView {
     }
 
     override fun showProgress(show: Boolean) {
-        loginFormProgress.visibility = if (show) VISIBLE else GONE
+        binding.loginFormProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showContent(show: Boolean) {
-        loginFormContainer.visibility = if (show) VISIBLE else GONE
+        binding.loginFormContainer.visibility = if (show) VISIBLE else GONE
     }
 
     @SuppressLint("SetTextI18n")
     override fun showVersion() {
-        with(loginFormVersion) {
-            visibility = VISIBLE
-            text = "${getString(R.string.app_name)} ${appInfo.versionName}"
-        }
+        binding.loginFormVersion.text = "v${appInfo.versionName}"
     }
 
-    override fun showPrivacyPolicy() {
-        loginFormPrivacyLink.visibility = VISIBLE
-    }
-
-    override fun notifyParentAccountLogged(students: List<Student>) {
-        (activity as? LoginActivity)?.onFormFragmentAccountLogged(students,
-            Triple(
-                loginFormName.text.toString(),
-                loginFormPass.text.toString(),
-                resources.getStringArray(R.array.endpoints_values)[1]
-            ))
+    override fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>, loginData: Triple<String, String, String>) {
+        (activity as? LoginActivity)?.onFormFragmentAccountLogged(studentsWithSemesters, loginData)
     }
 
     override fun openPrivacyPolicyPage() {
         context?.openInternetBrowser("https://wulkanowy.github.io/polityka-prywatnosci.html", ::showMessage)
     }
 
+    override fun showContact(show: Boolean) {
+        binding.loginFormContact.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun openAdvancedLogin() {
+        (activity as? LoginActivity)?.onAdvancedLoginClick()
+    }
+
+    override fun onRecoverClick() {
+        (activity as? LoginActivity)?.onRecoverClick()
+    }
+
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
+    }
+
+    override fun openFaqPage() {
+        context?.openInternetBrowser("https://wulkanowy.github.io/czesto-zadawane-pytania/dlaczego-nie-moge-sie-zalogowac", ::showMessage)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        presenter.updateUsernameLabel()
+    }
+
+    override fun openEmail(lastError: String) {
+        context?.openEmailClient(
+            chooserTitle = requireContext().getString(R.string.login_email_intent_title),
+            email = "wulkanowyinc@gmail.com",
+            subject = requireContext().getString(R.string.login_email_subject),
+            body = requireContext().getString(R.string.login_email_text,
+                "${appInfo.systemManufacturer} ${appInfo.systemModel}",
+                appInfo.systemVersion.toString(),
+                appInfo.versionName,
+                "$formHostValue/$formHostSymbol",
+                lastError
+            )
+        )
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
index 6949200c6..99dcf1bb3 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
@@ -1,28 +1,33 @@
 package io.github.wulkanowy.ui.modules.login.form
 
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import androidx.core.net.toUri
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
+import java.net.URL
 import javax.inject.Inject
 
 class LoginFormPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper,
-    private val appInfo: AppInfo
-) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository) {
+
+    private var lastError: Throwable? = null
 
     override fun onAttachView(view: LoginFormView) {
         super.onAttachView(view)
         view.run {
             initView()
-            if (appInfo.isDebug) showVersion() else showPrivacyPolicy()
+            showContact(false)
+            showVersion()
 
             loginErrorHandler.onBadCredentials = {
                 setErrorPassIncorrect()
@@ -36,11 +41,24 @@ class LoginFormPresenter @Inject constructor(
         view?.openPrivacyPolicyPage()
     }
 
+    fun onAdvancedLoginClick() {
+        view?.openAdvancedLogin()
+    }
+
     fun onHostSelected() {
         view?.apply {
             clearPassError()
-            clearNameError()
-            if (formHostValue?.contains("fakelog") == true) setCredentials("jan@fakelog.cf", "jan123")
+            clearUsernameError()
+            if (formHostValue.contains("fakelog")) {
+                setCredentials("jan@fakelog.cf", "jan123")
+            }
+            updateUsernameLabel()
+        }
+    }
+
+    fun updateUsernameLabel() {
+        view?.run {
+            setUsernameLabel(if ("email" !in formHostValue) nicknameLabel else emailLabel)
         }
     }
 
@@ -48,51 +66,110 @@ class LoginFormPresenter @Inject constructor(
         view?.clearPassError()
     }
 
-    fun onNameTextChanged() {
-        view?.clearNameError()
+    fun onUsernameTextChanged() {
+        view?.clearUsernameError()
+
+        val username = view?.formUsernameValue.orEmpty().trim()
+        if ("@" in username && "@vulcan" !in username) {
+            val hosts = view?.getHostsValues().orEmpty().map { it.toUri().host to it }.toMap()
+            val usernameHost = username.substringAfter("@")
+
+            hosts[usernameHost]?.let {
+                view?.setHost(it)
+            }
+        }
     }
 
     fun onSignInClick() {
-        val email = view?.formNameValue.orEmpty()
-        val password = view?.formPassValue.orEmpty()
-        val endpoint = view?.formHostValue.orEmpty()
+        val email = view?.formUsernameValue.orEmpty().trim()
+        val password = view?.formPassValue.orEmpty().trim()
+        val host = view?.formHostValue.orEmpty().trim()
+        val symbol = view?.formHostSymbol.orEmpty().trim()
 
-        if (!validateCredentials(email, password)) return
+        if (!validateCredentials(email, password, host)) return
 
-        disposable.add(studentRepository.getStudents(email, password, endpoint)
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doOnSubscribe {
-                view?.apply {
+        flowWithResource {
+            studentRepository.getStudentsScrapper(
+                email,
+                password,
+                host,
+                symbol
+            )
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Login started")
                     hideSoftKeyboard()
                     showProgress(true)
                     showContent(false)
                 }
-                Timber.i("Login started")
-            }
-            .doFinally {
-                view?.apply {
-                    showProgress(false)
-                    showContent(true)
+                Status.SUCCESS -> {
+                    Timber.i("Login result: Success")
+                    analytics.logEvent(
+                        "registration_form",
+                        "success" to true,
+                        "students" to it.data!!.size,
+                        "scrapperBaseUrl" to host,
+                        "error" to "No error"
+                    )
+                    view?.notifyParentAccountLogged(it.data, Triple(email, password, host))
+                }
+                Status.ERROR -> {
+                    Timber.i("Login result: An exception occurred")
+                    analytics.logEvent(
+                        "registration_form",
+                        "success" to false,
+                        "students" to -1,
+                        "scrapperBaseUrl" to host,
+                        "error" to it.error!!.message.ifNullOrBlank { "No message" })
+                    loginErrorHandler.dispatch(it.error)
+                    lastError = it.error
+                    view?.showContact(true)
                 }
             }
-            .subscribe({
-                Timber.i("Login result: Success")
-                analytics.logEvent("registration_form", "success" to true, "students" to it.size, "endpoint" to endpoint, "error" to "No error")
-                view?.notifyParentAccountLogged(it)
-            }, {
-                Timber.i("Login result: An exception occurred")
-                analytics.logEvent("registration_form", "success" to false, "students" to -1, "endpoint" to endpoint, "error" to it.message.ifNullOrBlank { "No message" })
-                loginErrorHandler.dispatch(it)
-            }))
+        }.afterLoading {
+            view?.apply {
+                showProgress(false)
+                showContent(true)
+            }
+        }.launch("login")
     }
 
-    private fun validateCredentials(login: String, password: String): Boolean {
+    fun onFaqClick() {
+        view?.openFaqPage()
+    }
+
+    fun onEmailClick() {
+        view?.openEmail(lastError?.message.ifNullOrBlank { "none" })
+    }
+
+    fun onRecoverClick() {
+        view?.onRecoverClick()
+    }
+
+    private fun validateCredentials(login: String, password: String, host: String): Boolean {
         var isCorrect = true
 
         if (login.isEmpty()) {
-            view?.setErrorNameRequired()
+            view?.setErrorUsernameRequired()
             isCorrect = false
+        } else {
+            if ("@" in login && "login" in host) {
+                view?.setErrorLoginRequired()
+                isCorrect = false
+            }
+            if ("@" !in login && "email" in host) {
+                view?.setErrorEmailRequired()
+                isCorrect = false
+            }
+            if ("@" in login && "||" !in login && "login" !in host && "email" !in host) {
+                val emailHost = login.substringAfter("@")
+                val emailDomain = URL(host).host
+                if (emailHost != emailDomain) {
+                    view?.setErrorEmailInvalid(domain = emailDomain)
+                    isCorrect = false
+                }
+            }
         }
 
         if (password.isEmpty()) {
@@ -104,6 +181,7 @@ class LoginFormPresenter @Inject constructor(
             view?.setErrorPassInvalid(focus = isCorrect)
             isCorrect = false
         }
+
         return isCorrect
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt
index 2532547a0..079629ef6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormView.kt
@@ -1,21 +1,37 @@
 package io.github.wulkanowy.ui.modules.login.form
 
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface LoginFormView : BaseView {
 
     fun initView()
 
-    val formNameValue: String
+    val formUsernameValue: String
 
     val formPassValue: String
 
-    val formHostValue: String?
+    val formHostValue: String
 
-    fun setCredentials(name: String, pass: String)
+    val formHostSymbol: String
 
-    fun setErrorNameRequired()
+    val nicknameLabel: String
+
+    val emailLabel: String
+
+    fun getHostsValues(): List<String>
+
+    fun setCredentials(username: String, pass: String)
+
+    fun setHost(host: String)
+
+    fun setUsernameLabel(label: String)
+
+    fun setErrorUsernameRequired()
+
+    fun setErrorLoginRequired()
+
+    fun setErrorEmailRequired()
 
     fun setErrorPassRequired(focus: Boolean)
 
@@ -23,7 +39,9 @@ interface LoginFormView : BaseView {
 
     fun setErrorPassIncorrect()
 
-    fun clearNameError()
+    fun setErrorEmailInvalid(domain: String)
+
+    fun clearUsernameError()
 
     fun clearPassError()
 
@@ -37,9 +55,17 @@ interface LoginFormView : BaseView {
 
     fun showVersion()
 
-    fun showPrivacyPolicy()
-
-    fun notifyParentAccountLogged(students: List<Student>)
+    fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>, loginData: Triple<String, String, String>)
 
     fun openPrivacyPolicyPage()
+
+    fun showContact(show: Boolean)
+
+    fun openFaqPage()
+
+    fun openEmail(lastError: String)
+
+    fun openAdvancedLogin()
+
+    fun onRecoverClick()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginSymbolAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginSymbolAdapter.kt
new file mode 100644
index 000000000..87fa038ec
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginSymbolAdapter.kt
@@ -0,0 +1,16 @@
+package io.github.wulkanowy.ui.modules.login.form
+
+import android.content.Context
+import android.widget.ArrayAdapter
+import android.widget.Filter
+
+class LoginSymbolAdapter(context: Context, resource: Int, objects: Array<out String>) :
+    ArrayAdapter<String>(context, resource, objects) {
+
+    override fun getFilter() = object : Filter() {
+
+        override fun performFiltering(constraint: CharSequence?) = null
+
+        override fun publishResults(constraint: CharSequence?, results: FilterResults?) {}
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverFragment.kt
new file mode 100644
index 000000000..2e2f9f5ce
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverFragment.kt
@@ -0,0 +1,224 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import android.annotation.SuppressLint
+import android.graphics.Color
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.webkit.JavascriptInterface
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.core.view.isVisible
+import androidx.core.widget.doOnTextChanged
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentLoginRecoverBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.ui.modules.login.form.LoginSymbolAdapter
+import io.github.wulkanowy.utils.hideSoftInput
+import io.github.wulkanowy.utils.showSoftInput
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class LoginRecoverFragment :
+    BaseFragment<FragmentLoginRecoverBinding>(R.layout.fragment_login_recover), LoginRecoverView {
+
+    private var _binding: FragmentLoginRecoverBinding? = null
+
+    private val bindingLocal: FragmentLoginRecoverBinding get() = _binding!!
+
+    @Inject
+    lateinit var presenter: LoginRecoverPresenter
+
+    companion object {
+        fun newInstance() = LoginRecoverFragment()
+    }
+
+    private lateinit var hostKeys: Array<String>
+
+    private lateinit var hostValues: Array<String>
+
+    private lateinit var hostSymbols: Array<String>
+
+    override val recoverHostValue: String
+        get() = hostValues.getOrNull(hostKeys.indexOf(bindingLocal.loginRecoverHost.text.toString()))
+            .orEmpty()
+
+    override val formHostSymbol: String
+        get() = hostSymbols.getOrNull(hostKeys.indexOf(bindingLocal.loginRecoverHost.text.toString()))
+            .orEmpty()
+
+    override val recoverNameValue: String
+        get() = bindingLocal.loginRecoverName.text.toString().trim()
+
+    override val emailHintString: String
+        get() = getString(R.string.login_email_hint)
+
+    override val loginPeselEmailHintString: String
+        get() = getString(R.string.login_login_pesel_email_hint)
+
+    override val invalidEmailString: String
+        get() = getString(R.string.login_invalid_email)
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        _binding = FragmentLoginRecoverBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        hostKeys = resources.getStringArray(R.array.hosts_keys)
+        hostValues = resources.getStringArray(R.array.hosts_values)
+        hostSymbols = resources.getStringArray(R.array.hosts_symbols)
+
+        with(bindingLocal) {
+            loginRecoverWebView.setBackgroundColor(Color.TRANSPARENT)
+            loginRecoverName.doOnTextChanged { _, _, _, _ -> presenter.onNameTextChanged() }
+            loginRecoverHost.setOnItemClickListener { _, _, _, _ -> presenter.onHostSelected() }
+            loginRecoverButton.setOnClickListener { presenter.onRecoverClick() }
+            loginRecoverErrorRetry.setOnClickListener { presenter.onRecoverClick() }
+            loginRecoverErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+            loginRecoverLogin.setOnClickListener { (activity as LoginActivity).switchView(0) }
+        }
+
+        with(bindingLocal.loginRecoverHost) {
+            setText(hostKeys.getOrNull(0).orEmpty())
+            setAdapter(
+                LoginSymbolAdapter(context, R.layout.support_simple_spinner_dropdown_item, hostKeys)
+            )
+            setOnClickListener { if (bindingLocal.loginRecoverFormContainer.visibility == GONE) dismissDropDown() }
+        }
+    }
+
+    override fun setDefaultCredentials(username: String) {
+        bindingLocal.loginRecoverName.setText(username)
+    }
+
+    override fun setErrorNameRequired() {
+        with(bindingLocal.loginRecoverNameLayout) {
+            requestFocus()
+            error = getString(R.string.login_field_required)
+        }
+    }
+
+    override fun setUsernameHint(hint: String) {
+        bindingLocal.loginRecoverNameLayout.hint = hint
+    }
+
+    override fun setUsernameError(message: String) {
+        with(bindingLocal.loginRecoverNameLayout) {
+            requestFocus()
+            error = message
+        }
+    }
+
+    override fun clearUsernameError() {
+        bindingLocal.loginRecoverNameLayout.error = null
+    }
+
+    override fun showProgress(show: Boolean) {
+        bindingLocal.loginRecoverProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showRecoverForm(show: Boolean) {
+        bindingLocal.loginRecoverFormContainer.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showCaptcha(show: Boolean) {
+        bindingLocal.loginRecoverCaptchaContainer.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        bindingLocal.loginRecoverError.visibility = if (show) VISIBLE else GONE
+        bindingLocal.loginRecoverErrorDetails.isVisible = true
+    }
+
+    override fun setErrorDetails(message: String) {
+        bindingLocal.loginRecoverErrorMessage.text = message
+    }
+
+    override fun showSuccessView(show: Boolean) {
+        bindingLocal.loginRecoverSuccess.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setSuccessTitle(title: String) {
+        bindingLocal.loginRecoverSuccessTitle.text = title
+    }
+
+    override fun setSuccessMessage(message: String) {
+        bindingLocal.loginRecoverSuccessMessage.text = message
+    }
+
+    override fun showSoftKeyboard() {
+        activity?.showSoftInput()
+    }
+
+    override fun hideSoftKeyboard() {
+        activity?.hideSoftInput()
+    }
+
+    @SuppressLint("SetJavaScriptEnabled", "AddJavascriptInterface")
+    override fun loadReCaptcha(siteKey: String, url: String) {
+        val html = """
+            <div style="position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);" id="recaptcha"></div>
+            <script src="https://www.google.com/recaptcha/api.js?onload=cl&render=explicit&hl=pl" async defer></script>
+            <script>var cl=()=>grecaptcha.render("recaptcha",{
+            sitekey:'$siteKey',
+            callback:e =>Android.captchaCallback(e)})</script>
+        """.trimIndent()
+
+        with(bindingLocal.loginRecoverWebView) {
+            settings.javaScriptEnabled = true
+            webViewClient = object : WebViewClient() {
+                private var recoverWebViewSuccess = true
+
+                override fun onPageFinished(view: WebView?, url: String?) {
+                    if (recoverWebViewSuccess) {
+                        showCaptcha(true)
+                        showProgress(false)
+                    } else {
+                        showProgress(false)
+                        showErrorView(true)
+                        bindingLocal.loginRecoverErrorDetails.isVisible = false
+                    }
+                }
+
+                override fun onReceivedError(
+                    view: WebView,
+                    errorCode: Int,
+                    description: String,
+                    failingUrl: String
+                ) {
+                    recoverWebViewSuccess = false
+                }
+            }
+
+            loadDataWithBaseURL(url, html, "text/html", "UTF-8", null)
+            addJavascriptInterface(object {
+
+                @Suppress("UNUSED")
+                @JavascriptInterface
+                fun captchaCallback(reCaptchaResponse: String) {
+                    activity?.runOnUiThread {
+                        presenter.onReCaptchaVerified(reCaptchaResponse)
+                    }
+                }
+            }, "Android")
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        presenter.updateFields()
+    }
+
+    override fun onDestroyView() {
+        bindingLocal.loginRecoverWebView.destroy()
+        _binding = null
+        presenter.onDetachView()
+
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
new file mode 100644
index 000000000..271e8a8a0
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
@@ -0,0 +1,157 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.RecoverRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.ifNullOrBlank
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class LoginRecoverPresenter @Inject constructor(
+    studentRepository: StudentRepository,
+    private val loginErrorHandler: RecoverErrorHandler,
+    private val analytics: AnalyticsHelper,
+    private val recoverRepository: RecoverRepository
+) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: LoginRecoverView) {
+        super.onAttachView(view)
+        view.initView()
+
+        with(loginErrorHandler) {
+            showErrorMessage = ::showErrorMessage
+            onInvalidUsername = ::onInvalidUsername
+            onInvalidCaptcha = ::onInvalidCaptcha
+        }
+    }
+
+    fun onNameTextChanged() {
+        view?.clearUsernameError()
+    }
+
+    fun onHostSelected() {
+        view?.run {
+            if ("fakelog" in recoverHostValue) setDefaultCredentials("jan@fakelog.cf")
+            clearUsernameError()
+            updateFields()
+        }
+    }
+
+    fun updateFields() {
+        view?.run {
+            setUsernameHint(if ("standard" in recoverHostValue) emailHintString else loginPeselEmailHintString)
+        }
+    }
+
+    fun onRecoverClick() {
+        val username = view?.recoverNameValue.orEmpty()
+        val host = view?.recoverHostValue.orEmpty()
+        val symbol = view?.formHostSymbol.orEmpty()
+
+        if (!validateInput(username, host)) return
+
+        flowWithResource { recoverRepository.getReCaptchaSiteKey(host, symbol.ifBlank { "Default" }) }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    hideSoftKeyboard()
+                    showRecoverForm(false)
+                    showProgress(true)
+                    showErrorView(false)
+                    showCaptcha(false)
+                }
+                Status.SUCCESS -> view?.run {
+                    loadReCaptcha(url = it.data!!.first, siteKey = it.data.second)
+                    showProgress(false)
+                    showErrorView(false)
+                    showCaptcha(true)
+                }
+                Status.ERROR -> {
+                    Timber.i("Obtain captcha site key result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launch("captcha")
+    }
+
+    private fun validateInput(username: String, host: String): Boolean {
+        var isCorrect = true
+
+        if (username.isEmpty()) {
+            view?.setErrorNameRequired()
+            isCorrect = false
+        }
+
+        if ("standard" in host && "@" !in username) {
+            view?.setUsernameError(view?.invalidEmailString.orEmpty())
+            isCorrect = false
+        }
+
+        return isCorrect
+    }
+
+    fun onReCaptchaVerified(reCaptchaResponse: String) {
+        val username = view?.recoverNameValue.orEmpty()
+        val host = view?.recoverHostValue.orEmpty()
+        val symbol = view?.formHostSymbol.ifNullOrBlank { "Default" }
+
+        flowWithResource { recoverRepository.sendRecoverRequest(host, symbol, username, reCaptchaResponse) }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    showProgress(true)
+                    showRecoverForm(false)
+                    showCaptcha(false)
+                }
+                Status.SUCCESS -> view?.run {
+                    showSuccessView(true)
+                    setSuccessTitle(it.data!!.substringBefore(". "))
+                    setSuccessMessage(it.data.substringAfter(". "))
+                    analytics.logEvent("account_recover", "register" to host, "symbol" to symbol, "success" to true)
+                }
+                Status.ERROR -> {
+                    Timber.i("Send recover request result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                    analytics.logEvent("account_recover", "register" to host, "symbol" to symbol, "success" to false)
+                }
+            }
+        }.afterLoading {
+            view?.showProgress(false)
+        }.launch("verified")
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun showErrorMessage(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            showProgress(false)
+            setErrorDetails(message)
+            showErrorView(true)
+        }
+    }
+
+    private fun onInvalidUsername(message: String) {
+        view?.run {
+            setUsernameError(message)
+            showRecoverForm(true)
+        }
+    }
+
+    private fun onInvalidCaptcha(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            setErrorDetails(message)
+            showCaptcha(false)
+            showRecoverForm(false)
+            showErrorView(true)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverView.kt
new file mode 100644
index 000000000..2e21d3351
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverView.kt
@@ -0,0 +1,52 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface LoginRecoverView : BaseView {
+
+    val recoverHostValue: String
+
+    val formHostSymbol: String
+
+    val recoverNameValue: String
+
+    val emailHintString: String
+
+    val loginPeselEmailHintString: String
+
+    val invalidEmailString: String
+
+    fun initView()
+
+    fun setDefaultCredentials(username: String)
+
+    fun clearUsernameError()
+
+    fun setErrorNameRequired()
+
+    fun setUsernameHint(hint: String)
+
+    fun setUsernameError(message: String)
+
+    fun showSoftKeyboard()
+
+    fun hideSoftKeyboard()
+
+    fun showProgress(show: Boolean)
+
+    fun showRecoverForm(show: Boolean)
+
+    fun showCaptcha(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showSuccessView(show: Boolean)
+
+    fun setSuccessMessage(message: String)
+
+    fun setSuccessTitle(title: String)
+
+    fun loadReCaptcha(siteKey: String, url: String)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/RecoverErrorHandler.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/RecoverErrorHandler.kt
new file mode 100644
index 000000000..8619369dd
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/RecoverErrorHandler.kt
@@ -0,0 +1,28 @@
+package io.github.wulkanowy.ui.modules.login.recover
+
+import android.content.res.Resources
+import io.github.wulkanowy.sdk.scrapper.exception.InvalidCaptchaException
+import io.github.wulkanowy.sdk.scrapper.exception.InvalidEmailException
+import io.github.wulkanowy.sdk.scrapper.exception.NoAccountFoundException
+import io.github.wulkanowy.ui.base.ErrorHandler
+import javax.inject.Inject
+
+class RecoverErrorHandler @Inject constructor(resources: Resources) : ErrorHandler(resources) {
+
+    var onInvalidUsername: (String) -> Unit = {}
+
+    var onInvalidCaptcha: (String, Throwable) -> Unit = { _, _ -> }
+
+    override fun proceed(error: Throwable) {
+        when (error) {
+            is InvalidEmailException, is NoAccountFoundException -> onInvalidUsername(error.localizedMessage.orEmpty())
+            is InvalidCaptchaException -> onInvalidCaptcha(error.localizedMessage.orEmpty(), error)
+            else -> super.proceed(error)
+        }
+    }
+
+    override fun clear() {
+        super.clear()
+        onInvalidUsername = {}
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectAdapter.kt
new file mode 100644
index 000000000..c046c2ff5
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectAdapter.kt
@@ -0,0 +1,66 @@
+package io.github.wulkanowy.ui.modules.login.studentselect
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ItemLoginStudentSelectBinding
+import javax.inject.Inject
+
+class LoginStudentSelectAdapter @Inject constructor() :
+    RecyclerView.Adapter<LoginStudentSelectAdapter.ItemViewHolder>() {
+
+    private val checkedList = mutableMapOf<Int, Boolean>()
+
+    var items = emptyList<Pair<StudentWithSemesters, Boolean>>()
+        set(value) {
+            field = value
+            checkedList.clear()
+        }
+
+    var onClickListener: (StudentWithSemesters, alreadySaved: Boolean) -> Unit = { _, _ -> }
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemLoginStudentSelectBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val (studentAndSemesters, alreadySaved) = items[position]
+        val student = studentAndSemesters.student
+        val semesters = studentAndSemesters.semesters
+        val diary = semesters.maxByOrNull { it.semesterId }
+
+        with(holder.binding) {
+            loginItemName.text = "${student.studentName} ${diary?.diaryName.orEmpty()}"
+            loginItemSchool.text = student.schoolName
+            loginItemName.isEnabled = !alreadySaved
+            loginItemSchool.isEnabled = !alreadySaved
+            loginItemSignedIn.visibility = if (alreadySaved) View.VISIBLE else View.GONE
+
+            with(loginItemCheck) {
+                isEnabled = !alreadySaved
+                keyListener = null
+                isChecked = checkedList[position] ?: false
+            }
+
+            root.setOnClickListener {
+                onClickListener(studentAndSemesters, alreadySaved)
+
+                with(loginItemCheck) {
+                    if (isEnabled) {
+                        isChecked = !isChecked
+                        checkedList[position] = isChecked
+                    }
+                }
+            }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemLoginStudentSelectBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt
index 5c48cf2fb..e71fc0f6f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt
@@ -1,30 +1,35 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentLoginStudentSelectBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_login_student_select.*
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.openEmailClient
+import io.github.wulkanowy.utils.openInternetBrowser
 import java.io.Serializable
 import javax.inject.Inject
 
-class LoginStudentSelectFragment : BaseFragment(), LoginStudentSelectView {
+@AndroidEntryPoint
+class LoginStudentSelectFragment :
+    BaseFragment<FragmentLoginStudentSelectBinding>(R.layout.fragment_login_student_select),
+    LoginStudentSelectView {
 
     @Inject
     lateinit var presenter: LoginStudentSelectPresenter
 
     @Inject
-    lateinit var loginAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var loginAdapter: LoginStudentSelectAdapter
+
+    @Inject
+    lateinit var appInfo: AppInfo
 
     companion object {
         const val SAVED_STUDENTS = "STUDENTS"
@@ -32,27 +37,32 @@ class LoginStudentSelectFragment : BaseFragment(), LoginStudentSelectView {
         fun newInstance() = LoginStudentSelectFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_login_student_select, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLoginStudentSelectBinding.bind(view)
         presenter.onAttachView(this, savedInstanceState?.getSerializable(SAVED_STUDENTS))
     }
 
     override fun initView() {
-        loginStudentSelectSignIn.setOnClickListener { presenter.onSignIn() }
-        loginAdapter.apply { setOnItemClickListener { presenter.onItemSelected(it) } }
+        loginAdapter.onClickListener = presenter::onItemSelected
 
-        loginStudentSelectRecycler.apply {
-            adapter = loginAdapter
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding) {
+            loginStudentSelectSignIn.setOnClickListener { presenter.onSignIn() }
+            loginStudentSelectContactDiscord.setOnClickListener { presenter.onDiscordClick() }
+            loginStudentSelectContactEmail.setOnClickListener { presenter.onEmailClick() }
+
+            with(loginStudentSelectRecycler) {
+                layoutManager = LinearLayoutManager(context)
+                adapter = loginAdapter
+            }
         }
     }
 
-    override fun updateData(data: List<LoginStudentSelectItem>) {
-        loginAdapter.updateDataSet(data)
+    override fun updateData(data: List<Pair<StudentWithSemesters, Boolean>>) {
+        with(loginAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun openMainView() {
@@ -60,19 +70,19 @@ class LoginStudentSelectFragment : BaseFragment(), LoginStudentSelectView {
     }
 
     override fun showProgress(show: Boolean) {
-        loginStudentSelectProgress.visibility = if (show) VISIBLE else GONE
+        binding.loginStudentSelectProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showContent(show: Boolean) {
-        loginStudentSelectContent.visibility = if (show) VISIBLE else GONE
+        binding.loginStudentSelectContent.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSignIn(enable: Boolean) {
-        loginStudentSelectSignIn.isEnabled = enable
+        binding.loginStudentSelectSignIn.isEnabled = enable
     }
 
-    fun onParentInitStudentSelectFragment(students: List<Student>) {
-        presenter.onParentInitStudentSelectView(students)
+    fun onParentInitStudentSelectFragment(studentsWithSemesters: List<StudentWithSemesters>) {
+        presenter.onParentInitStudentSelectView(studentsWithSemesters)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -80,8 +90,30 @@ class LoginStudentSelectFragment : BaseFragment(), LoginStudentSelectView {
         outState.putSerializable(SAVED_STUDENTS, presenter.students as Serializable)
     }
 
+    override fun showContact(show: Boolean) {
+        binding.loginStudentSelectContact.visibility = if (show) VISIBLE else GONE
+    }
+
     override fun onDestroyView() {
         presenter.onDetachView()
         super.onDestroyView()
     }
+
+    override fun openDiscordInvite() {
+        context?.openInternetBrowser("https://discord.gg/vccAQBr", ::showMessage)
+    }
+
+    override fun openEmail(lastError: String) {
+        context?.openEmailClient(
+            chooserTitle = requireContext().getString(R.string.login_email_intent_title),
+            email = "wulkanowyinc@gmail.com",
+            subject = requireContext().getString(R.string.login_email_subject),
+            body = requireContext().getString(R.string.login_email_text, appInfo.systemModel,
+                appInfo.systemVersion.toString(),
+                appInfo.versionName,
+                "Select users to log in",
+                lastError
+            )
+        )
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectItem.kt
deleted file mode 100644
index fa21cff94..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectItem.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package io.github.wulkanowy.ui.modules.login.studentselect
-
-import android.annotation.SuppressLint
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_login_student_select.*
-
-class LoginStudentSelectItem(val student: Student) : AbstractFlexibleItem<LoginStudentSelectItem.ItemViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_login_student_select
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ItemViewHolder {
-        return ItemViewHolder(view, adapter)
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ItemViewHolder, position: Int, payloads: MutableList<Any>) {
-        holder.apply {
-            loginItemName.text = "${student.studentName} ${student.className}"
-            loginItemSchool.text = student.schoolName
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as LoginStudentSelectItem
-
-        if (student != other.student) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return student.hashCode()
-    }
-
-    class ItemViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-
-        override val containerView: View
-            get() = itemView
-
-        init {
-            loginItemCheck.keyListener = null
-        }
-
-        override fun onClick(view: View?) {
-            super.onClick(view)
-            loginItemCheck.apply { isChecked = !isChecked }
-        }
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
index e02227cbc..c344bf441 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
@@ -1,32 +1,36 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import java.io.Serializable
 import javax.inject.Inject
 
 class LoginStudentSelectPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
-    var students = emptyList<Student>()
+    private var lastError: Throwable? = null
 
-    private var selectedStudents = mutableListOf<Student>()
+    var students = emptyList<StudentWithSemesters>()
+
+    private val selectedStudents = mutableListOf<StudentWithSemesters>()
 
     fun onAttachView(view: LoginStudentSelectView, students: Serializable?) {
         super.onAttachView(view)
-        view.run {
+        with(view) {
             initView()
+            showContact(false)
             enableSignIn(false)
             loginErrorHandler.onStudentDuplicate = {
                 showMessage(it)
@@ -35,7 +39,7 @@ class LoginStudentSelectPresenter @Inject constructor(
         }
 
         if (students is List<*> && students.isNotEmpty()) {
-            loadData(students.filterIsInstance<Student>())
+            loadData(students.filterIsInstance<StudentWithSemesters>())
         }
     }
 
@@ -43,52 +47,101 @@ class LoginStudentSelectPresenter @Inject constructor(
         registerStudents(selectedStudents)
     }
 
-    fun onParentInitStudentSelectView(students: List<Student>) {
-        loadData(students)
-        if (students.size == 1) registerStudents(students)
+    fun onParentInitStudentSelectView(studentsWithSemesters: List<StudentWithSemesters>) {
+        loadData(studentsWithSemesters)
+        if (studentsWithSemesters.size == 1) registerStudents(studentsWithSemesters)
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is LoginStudentSelectItem) {
-            selectedStudents.removeAll { it == item.student }
-                .let { if (!it) selectedStudents.add(item.student) }
+    fun onItemSelected(studentWithSemester: StudentWithSemesters, alreadySaved: Boolean) {
+        if (alreadySaved) return
 
-            view?.enableSignIn(selectedStudents.isNotEmpty())
-        }
+        selectedStudents
+            .removeAll { it == studentWithSemester }
+            .let { if (!it) selectedStudents.add(studentWithSemester) }
+
+        view?.enableSignIn(selectedStudents.isNotEmpty())
     }
 
-    private fun loadData(students: List<Student>) {
-        this.students = students
-        view?.apply {
-            updateData(students.map { LoginStudentSelectItem(it) })
-        }
+    private fun compareStudents(a: Student, b: Student): Boolean {
+        return a.email == b.email
+            && a.symbol == b.symbol
+            && a.studentId == b.studentId
+            && a.schoolSymbol == b.schoolSymbol
+            && a.classId == b.classId
     }
 
-    private fun registerStudents(students: List<Student>) {
-        disposable.add(studentRepository.saveStudents(students)
-            .map { students.first().apply { id = it.first() } }
-            .flatMapCompletable { studentRepository.switchStudent(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doOnSubscribe {
-                view?.apply {
+    private fun loadData(studentsWithSemesters: List<StudentWithSemesters>) {
+        resetSelectedState()
+        this.students = studentsWithSemesters
+
+        flowWithResource { studentRepository.getSavedStudents(false) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Login student select students load started")
+                Status.SUCCESS -> view?.updateData(studentsWithSemesters.map { studentWithSemesters ->
+                    studentWithSemesters to it.data!!.any { item -> compareStudents(studentWithSemesters.student, item.student) }
+                })
+                Status.ERROR -> {
+                    errorHandler.dispatch(it.error!!)
+                    lastError = it.error
+                    view?.updateData(studentsWithSemesters.map { student -> student to false })
+                }
+            }
+        }.launch()
+    }
+
+    private fun resetSelectedState() {
+        selectedStudents.clear()
+        view?.enableSignIn(false)
+    }
+
+    private fun registerStudents(studentsWithSemesters: List<StudentWithSemesters>) {
+        flowWithResource {
+            val savedStudents = studentRepository.saveStudents(studentsWithSemesters)
+            val firstRegistered = studentsWithSemesters.first().apply { student.id = savedStudents.first() }
+            studentRepository.switchStudent(firstRegistered)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Registration started")
                     showProgress(true)
                     showContent(false)
                 }
-                Timber.i("Registration started")
-            }
-            .subscribe({
-                students.forEach { analytics.logEvent("registration_student_select", "success" to true, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to "No error") }
-                Timber.i("Registration result: Success")
-                view?.openMainView()
-            }, { error ->
-                students.forEach { analytics.logEvent("registration_student_select", "success" to false, "endpoint" to it.endpoint, "symbol" to it.symbol, "error" to error.message.ifNullOrBlank { "No message" }) }
-                Timber.i("Registration result: An exception occurred ")
-                loginErrorHandler.dispatch(error)
-                view?.apply {
-                    showProgress(false)
-                    showContent(true)
+                Status.SUCCESS -> {
+                    Timber.i("Registration result: Success")
+                    view?.openMainView()
+                    logRegisterEvent(studentsWithSemesters)
                 }
-            }))
+                Status.ERROR -> {
+                    Timber.i("Registration result: An exception occurred ")
+                    view?.apply {
+                        showProgress(false)
+                        showContent(true)
+                        showContact(true)
+                    }
+                    lastError = it.error
+                    loginErrorHandler.dispatch(it.error!!)
+                    logRegisterEvent(studentsWithSemesters, it.error)
+                }
+            }
+        }.launch("register")
+    }
+
+    fun onDiscordClick() {
+        view?.openDiscordInvite()
+    }
+
+    fun onEmailClick() {
+        view?.openEmail(lastError?.message.ifNullOrBlank { "empty" })
+    }
+
+    private fun logRegisterEvent(studentsWithSemesters: List<StudentWithSemesters>, error: Throwable? = null) {
+        studentsWithSemesters.forEach { student ->
+            analytics.logEvent(
+                "registration_student_select",
+                "success" to (error != null),
+                "scrapperBaseUrl" to student.student.scrapperBaseUrl,
+                "symbol" to student.student.symbol,
+                "error" to (error?.message?.ifBlank { "No message" } ?: "No error"))
+        }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectView.kt
index 3967313c3..f2acd76c5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectView.kt
@@ -1,12 +1,13 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface LoginStudentSelectView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<LoginStudentSelectItem>)
+    fun updateData(data: List<Pair<StudentWithSemesters, Boolean>>)
 
     fun openMainView()
 
@@ -15,4 +16,10 @@ interface LoginStudentSelectView : BaseView {
     fun showContent(show: Boolean)
 
     fun enableSignIn(enable: Boolean)
+
+    fun showContact(show: Boolean)
+
+    fun openDiscordInvite()
+
+    fun openEmail(lastError: String)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolFragment.kt
index f4f0eb9e8..e2c37db61 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolFragment.kt
@@ -1,29 +1,36 @@
 package io.github.wulkanowy.ui.modules.login.symbol
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo.IME_ACTION_DONE
 import android.view.inputmethod.EditorInfo.IME_NULL
 import android.widget.ArrayAdapter
 import androidx.core.widget.doOnTextChanged
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.FragmentLoginSymbolBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.login.LoginActivity
+import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.hideSoftInput
+import io.github.wulkanowy.utils.openEmailClient
+import io.github.wulkanowy.utils.openInternetBrowser
 import io.github.wulkanowy.utils.showSoftInput
-import kotlinx.android.synthetic.main.fragment_login_symbol.*
 import javax.inject.Inject
 
-class LoginSymbolFragment : BaseFragment(), LoginSymbolView {
+@AndroidEntryPoint
+class LoginSymbolFragment :
+    BaseFragment<FragmentLoginSymbolBinding>(R.layout.fragment_login_symbol), LoginSymbolView {
 
     @Inject
     lateinit var presenter: LoginSymbolPresenter
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
     companion object {
         private const val SAVED_LOGIN_DATA = "LOGIN_DATA"
 
@@ -31,27 +38,28 @@ class LoginSymbolFragment : BaseFragment(), LoginSymbolView {
     }
 
     override val symbolNameError: CharSequence?
-        get() = loginSymbolNameLayout.error
+        get() = binding.loginSymbolNameLayout.error
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_login_symbol, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLoginSymbolBinding.bind(view)
         presenter.onAttachView(this, savedInstanceState?.getSerializable(SAVED_LOGIN_DATA))
     }
 
     override fun initView() {
-        loginSymbolSignIn.setOnClickListener { presenter.attemptLogin(loginSymbolName.text.toString()) }
+        with(binding) {
+            loginSymbolSignIn.setOnClickListener { presenter.attemptLogin(loginSymbolName.text.toString()) }
+            loginSymbolFaq.setOnClickListener { presenter.onFaqClick() }
+            loginSymbolContactEmail.setOnClickListener { presenter.onEmailClick() }
 
-        loginSymbolName.doOnTextChanged { _, _, _, _ -> presenter.onSymbolTextChanged() }
+            loginSymbolName.doOnTextChanged { _, _, _, _ -> presenter.onSymbolTextChanged() }
 
-        loginSymbolName.apply {
-            setOnEditorActionListener { _, id, _ ->
-                if (id == IME_ACTION_DONE || id == IME_NULL) loginSymbolSignIn.callOnClick() else false
+            loginSymbolName.apply {
+                setOnEditorActionListener { _, id, _ ->
+                    if (id == IME_ACTION_DONE || id == IME_NULL) loginSymbolSignIn.callOnClick() else false
+                }
+                setAdapter(ArrayAdapter(context, android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))
             }
-            setAdapter(ArrayAdapter(context, android.R.layout.simple_list_item_1, resources.getStringArray(R.array.symbols_values)))
         }
     }
 
@@ -60,25 +68,25 @@ class LoginSymbolFragment : BaseFragment(), LoginSymbolView {
     }
 
     override fun setErrorSymbolIncorrect() {
-        loginSymbolNameLayout.apply {
+        binding.loginSymbolNameLayout.apply {
             requestFocus()
             error = getString(R.string.login_incorrect_symbol)
         }
     }
 
     override fun setErrorSymbolRequire() {
-        loginSymbolNameLayout.apply {
+        binding.loginSymbolNameLayout.apply {
             requestFocus()
             error = getString(R.string.login_field_required)
         }
     }
 
     override fun clearSymbolError() {
-        loginSymbolNameLayout.error = null
+        binding.loginSymbolNameLayout.error = null
     }
 
     override fun clearAndFocusSymbol() {
-        loginSymbolNameLayout.apply {
+        binding.loginSymbolNameLayout.apply {
             editText?.text = null
             requestFocus()
         }
@@ -93,15 +101,15 @@ class LoginSymbolFragment : BaseFragment(), LoginSymbolView {
     }
 
     override fun showProgress(show: Boolean) {
-        loginSymbolProgress.visibility = if (show) VISIBLE else GONE
+        binding.loginSymbolProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showContent(show: Boolean) {
-        loginSymbolContainer.visibility = if (show) VISIBLE else GONE
+        binding.loginSymbolContainer.visibility = if (show) VISIBLE else GONE
     }
 
-    override fun notifyParentAccountLogged(students: List<Student>) {
-        (activity as? LoginActivity)?.onSymbolFragmentAccountLogged(students)
+    override fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>) {
+        (activity as? LoginActivity)?.onSymbolFragmentAccountLogged(studentsWithSemesters)
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -109,8 +117,31 @@ class LoginSymbolFragment : BaseFragment(), LoginSymbolView {
         outState.putSerializable(SAVED_LOGIN_DATA, presenter.loginData)
     }
 
+    override fun showContact(show: Boolean) {
+        binding.loginSymbolContact.visibility = if (show) VISIBLE else GONE
+    }
+
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
+    }
+
+    override fun openFaqPage() {
+        context?.openInternetBrowser("https://wulkanowy.github.io/czesto-zadawane-pytania/co-to-jest-symbol", ::showMessage)
+    }
+
+    override fun openEmail(host: String, lastError: String) {
+        context?.openEmailClient(
+            chooserTitle = requireContext().getString(R.string.login_email_intent_title),
+            email = "wulkanowyinc@gmail.com",
+            subject = requireContext().getString(R.string.login_email_subject),
+            body = requireContext().getString(R.string.login_email_text,
+                "${appInfo.systemManufacturer} ${appInfo.systemModel}",
+                appInfo.systemVersion.toString(),
+                appInfo.versionName,
+                "$host/${binding.loginSymbolName.text}",
+                lastError
+            )
+        )
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
index 5a7a37776..4593d880a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
@@ -1,29 +1,35 @@
 package io.github.wulkanowy.ui.modules.login.symbol
 
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
-import io.reactivex.Single
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import java.io.Serializable
 import javax.inject.Inject
 
 class LoginSymbolPresenter @Inject constructor(
     studentRepository: StudentRepository,
-    schedulers: SchedulersProvider,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository) {
+
+    private var lastError: Throwable? = null
 
     var loginData: Triple<String, String, String>? = null
 
     @Suppress("UNCHECKED_CAST")
     fun onAttachView(view: LoginSymbolView, savedLoginData: Serializable?) {
         super.onAttachView(view)
-        view.initView()
+        view.run {
+            initView()
+            showContact(false)
+        }
         if (savedLoginData is Triple<*, *, *>) {
             loginData = savedLoginData as Triple<String, String, String>
         }
@@ -34,46 +40,62 @@ class LoginSymbolPresenter @Inject constructor(
     }
 
     fun attemptLogin(symbol: String) {
+        if (loginData == null) throw IllegalArgumentException("Login data is null")
+
         if (symbol.isBlank()) {
             view?.setErrorSymbolRequire()
             return
         }
 
-        disposable.add(
-            Single.fromCallable { if (loginData == null) throw IllegalArgumentException("Login data is null") else loginData }
-                .flatMap { studentRepository.getStudents(it.first, it.second, it.third, symbol) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doOnSubscribe {
-                    view?.apply {
-                        hideSoftKeyboard()
-                        showProgress(true)
-                        showContent(false)
-                    }
+        flowWithResource { studentRepository.getStudentsScrapper(loginData!!.first, loginData!!.second, loginData!!.third, symbol) }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
                     Timber.i("Login with symbol started")
+                    hideSoftKeyboard()
+                    showProgress(true)
+                    showContent(false)
                 }
-                .doFinally {
-                    view?.apply {
-                        showProgress(false)
-                        showContent(true)
-                    }
-                }
-                .subscribe({
-                    analytics.logEvent("registration_symbol", "success" to true, "students" to it.size, "endpoint" to loginData?.third, "symbol" to symbol, "error" to "No error")
-                    view?.apply {
-                        if (it.isEmpty()) {
+                Status.SUCCESS -> {
+                    view?.run {
+                        if (it.data!!.isEmpty()) {
                             Timber.i("Login with symbol result: Empty student list")
                             setErrorSymbolIncorrect()
+                            view?.showContact(true)
                         } else {
                             Timber.i("Login with symbol result: Success")
-                            notifyParentAccountLogged(it)
+                            notifyParentAccountLogged(it.data)
                         }
                     }
-                }, {
+                    analytics.logEvent(
+                        "registration_symbol",
+                        "success" to true,
+                        "students" to it.data!!.size,
+                        "scrapperBaseUrl" to loginData?.third,
+                        "symbol" to symbol,
+                        "error" to "No error"
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Login with symbol result: An exception occurred")
-                    analytics.logEvent("registration_symbol", "success" to false, "students" to -1, "endpoint" to loginData?.third, "symbol" to symbol, "error" to it.message.ifNullOrBlank { "No message" })
-                    loginErrorHandler.dispatch(it)
-                }))
+                    analytics.logEvent(
+                        "registration_symbol",
+                        "success" to false,
+                        "students" to -1,
+                        "scrapperBaseUrl" to loginData?.third,
+                        "symbol" to symbol,
+                        "error" to it.error!!.message.ifNullOrBlank { "No message" }
+                    )
+                    loginErrorHandler.dispatch(it.error)
+                    lastError = it.error
+                    view?.showContact(true)
+                }
+            }
+        }.afterLoading {
+            view?.apply {
+                showProgress(false)
+                showContent(true)
+            }
+        }.launch("login")
     }
 
     fun onParentInitSymbolView(loginData: Triple<String, String, String>) {
@@ -83,4 +105,12 @@ class LoginSymbolPresenter @Inject constructor(
             showSoftKeyboard()
         }
     }
+
+    fun onFaqClick() {
+        view?.openFaqPage()
+    }
+
+    fun onEmailClick() {
+        view?.openEmail(loginData?.third.orEmpty(), lastError?.message.ifNullOrBlank { "empty" })
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolView.kt
index 2e5143ef1..830c77d17 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolView.kt
@@ -1,6 +1,6 @@
 package io.github.wulkanowy.ui.modules.login.symbol
 
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface LoginSymbolView : BaseView {
@@ -25,5 +25,11 @@ interface LoginSymbolView : BaseView {
 
     fun showContent(show: Boolean)
 
-    fun notifyParentAccountLogged(students: List<Student>)
+    fun notifyParentAccountLogged(studentsWithSemesters: List<StudentWithSemesters>)
+
+    fun showContact(show: Boolean)
+
+    fun openFaqPage()
+
+    fun openEmail(host: String, lastError: String)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberFragment.kt
index 00204a876..0a73fe15d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberFragment.kt
@@ -1,17 +1,24 @@
 package io.github.wulkanowy.ui.modules.luckynumber
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.databinding.FragmentLuckyNumberBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.luckynumber.history.LuckyNumberHistoryFragment
+import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import kotlinx.android.synthetic.main.fragment_lucky_number.*
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class LuckyNumberFragment : BaseFragment(), LuckyNumberView, MainView.TitledView {
+@AndroidEntryPoint
+class LuckyNumberFragment :
+    BaseFragment<FragmentLuckyNumberBinding>(R.layout.fragment_lucky_number), LuckyNumberView,
+    MainView.TitledView {
 
     @Inject
     lateinit var presenter: LuckyNumberPresenter
@@ -23,49 +30,64 @@ class LuckyNumberFragment : BaseFragment(), LuckyNumberView, MainView.TitledView
     override val titleStringId: Int
         get() = R.string.lucky_number_title
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_lucky_number, container, false)
-    }
+    override val isViewEmpty get() = binding.luckyNumberText.text.isBlank()
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLuckyNumberBinding.bind(view)
+        messageContainer = binding.luckyNumberSwipe
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        luckyNumberSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+        with(binding) {
+            luckyNumberSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            luckyNumberSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            luckyNumberSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            luckyNumberHistoryButton.setOnClickListener { openLuckyNumberHistory() }
+            luckyNumberErrorRetry.setOnClickListener { presenter.onRetry() }
+            luckyNumberErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
     }
 
     override fun updateData(data: LuckyNumber) {
-        luckyNumberText.text = data.luckyNumber.toString()
+        binding.luckyNumberText.text = data.luckyNumber.toString()
     }
 
     override fun hideRefresh() {
-        luckyNumberSwipe.isRefreshing = false
+        binding.luckyNumberSwipe.isRefreshing = false
     }
 
     override fun showEmpty(show: Boolean) {
-        luckyNumberEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        binding.luckyNumberEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.luckyNumberError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.luckyNumberErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        luckyNumberProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.luckyNumberProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        luckyNumberSwipe.isEnabled = enable
+        binding.luckyNumberSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        luckyNumberContent.visibility = if (show) View.VISIBLE else View.GONE
+        binding.luckyNumberContent.visibility = if (show) VISIBLE else GONE
     }
 
-    override fun isViewEmpty(): Boolean {
-        return luckyNumberText.text.isBlank()
+    override fun openLuckyNumberHistory() {
+        (activity as? MainActivity)?.pushView(LuckyNumberHistoryFragment.newInstance())
     }
 
     override fun onDestroyView() {
-        super.onDestroyView()
         presenter.onDetachView()
+        super.onDestroyView()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
index ee7260e6f..fd0598d8f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
@@ -1,23 +1,25 @@
 package io.github.wulkanowy.ui.modules.luckynumber
 
-import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.LuckyNumberRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class LuckyNumberPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val luckyNumberRepository: LuckyNumberRepository,
-    private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
 
     override fun onAttachView(view: LuckyNumberView) {
         super.onAttachView(view)
@@ -27,45 +29,62 @@ class LuckyNumberPresenter @Inject constructor(
             enableSwipe(false)
         }
         Timber.i("Lucky number view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData()
     }
 
     private fun loadData(forceRefresh: Boolean = false) {
-        Timber.i("Loading lucky number started")
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .flatMapMaybe { luckyNumberRepository.getLuckyNumber(it, forceRefresh) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            luckyNumberRepository.getLuckyNumber(student, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading lucky number started")
+                Status.SUCCESS -> {
+                    if (it.data != null) {
+                        Timber.i("Loading lucky number result: Success")
+                        view?.apply {
+                            updateData(it.data)
+                            showContent(true)
+                            showEmpty(false)
+                            showErrorView(false)
+                        }
+                        analytics.logEvent(
+                            "load_item",
+                            "type" to "lucky_number",
+                            "number" to it.data.luckyNumber
+                        )
+                    } else {
+                        Timber.i("Loading lucky number result: No lucky number found")
+                        view?.run {
+                            showContent(false)
+                            showEmpty(true)
+                            showErrorView(false)
+                        }
                     }
                 }
-                .subscribe({
-                    Timber.i("Loading lucky number result: Success")
-                    view?.apply {
-                        updateData(it)
-                        showContent(true)
-                        showEmpty(false)
-                    }
-                    analytics.logEvent("load_lucky_number", "lucky_number" to it.luckyNumber, "force_refresh" to forceRefresh)
-                }, {
+                Status.ERROR -> {
                     Timber.i("Loading lucky number result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty()) }
-                    errorHandler.dispatch(it)
-                }, {
-                    Timber.i("Loading lucky number result: No lucky number found")
-                    view?.run {
-                        showContent(false)
-                        showEmpty(true)
-                    }
-                })
-            )
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
@@ -73,4 +92,16 @@ class LuckyNumberPresenter @Inject constructor(
         Timber.i("Force refreshing the lucky number")
         loadData(true)
     }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberView.kt
index 9ead2b1f7..0c05a1566 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberView.kt
@@ -5,6 +5,8 @@ import io.github.wulkanowy.ui.base.BaseView
 
 interface LuckyNumberView : BaseView {
 
+    val isViewEmpty: Boolean
+
     fun initView()
 
     fun updateData(data: LuckyNumber)
@@ -13,11 +15,15 @@ interface LuckyNumberView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
 
     fun showContent(show: Boolean)
 
-    fun isViewEmpty(): Boolean
+    fun openLuckyNumberHistory()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryAdapter.kt
new file mode 100644
index 000000000..7c09c96fe
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryAdapter.kt
@@ -0,0 +1,36 @@
+package io.github.wulkanowy.ui.modules.luckynumber.history
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.databinding.ItemLuckyNumberHistoryBinding
+import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.weekDayName
+import java.util.Locale
+import javax.inject.Inject
+
+class LuckyNumberHistoryAdapter @Inject constructor() :
+    RecyclerView.Adapter<LuckyNumberHistoryAdapter.ItemViewHolder>() {
+
+    var items = emptyList<LuckyNumber>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemLuckyNumberHistoryBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("DefaultLocale")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+        with(holder.binding) {
+            luckyNumberHistoryWeekName.text = item.date.weekDayName.capitalize()
+            luckyNumberHistoryDate.text = item.date.toFormattedString()
+            luckyNumberHistory.text = item.luckyNumber.toString()
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemLuckyNumberHistoryBinding) : RecyclerView.ViewHolder(binding.root)
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
new file mode 100644
index 000000000..6e991ba13
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryFragment.kt
@@ -0,0 +1,134 @@
+package io.github.wulkanowy.ui.modules.luckynumber.history
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.databinding.FragmentLuckyNumberHistoryBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.getThemeAttrColor
+import java.time.LocalDate
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class LuckyNumberHistoryFragment :
+    BaseFragment<FragmentLuckyNumberHistoryBinding>(R.layout.fragment_lucky_number_history), LuckyNumberHistoryView,
+    MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: LuckyNumberHistoryPresenter
+
+    @Inject
+    lateinit var luckyNumberHistoryAdapter: LuckyNumberHistoryAdapter
+
+    companion object {
+        fun newInstance() = LuckyNumberHistoryFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.lucky_number_history_title
+
+    override val isViewEmpty get() = luckyNumberHistoryAdapter.items.isEmpty()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentLuckyNumberHistoryBinding.bind(view)
+        messageContainer = binding.luckyNumberHistoryRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.luckyNumberHistoryRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = luckyNumberHistoryAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            luckyNumberHistoryNavDate.setOnClickListener { presenter.onPickDate() }
+            luckyNumberHistoryErrorRetry.setOnClickListener { presenter.onRetry() }
+            luckyNumberHistoryErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
+            luckyNumberHistoryPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
+            luckyNumberHistoryNextButton.setOnClickListener { presenter.onNextWeek() }
+
+            luckyNumberHistoryNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
+    }
+
+    override fun updateData(data: List<LuckyNumber>) {
+        with(luckyNumberHistoryAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearData() {
+        with(luckyNumberHistoryAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.luckyNumberHistoryEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.luckyNumberHistoryError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.luckyNumberHistoryErrorMessage.text = message
+    }
+
+    override fun updateNavigationWeek(date: String) {
+        binding.luckyNumberHistoryNavDate.text = date
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.luckyNumberHistoryProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showPreButton(show: Boolean) {
+        binding.luckyNumberHistoryPreviousButton.visibility = if (show) VISIBLE else View.INVISIBLE
+    }
+
+    override fun showNextButton(show: Boolean) {
+        binding.luckyNumberHistoryNextButton.visibility = if (show) VISIBLE else View.INVISIBLE
+    }
+
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            vibrate(false)
+            show(this@LuckyNumberHistoryFragment.parentFragmentManager, null)
+        }
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.luckyNumberHistoryRecycler.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryPresenter.kt
new file mode 100644
index 000000000..556dda759
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryPresenter.kt
@@ -0,0 +1,151 @@
+package io.github.wulkanowy.ui.modules.luckynumber.history
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.LuckyNumberRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.isHolidays
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.previousOrSameSchoolDay
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import java.time.LocalDate
+import javax.inject.Inject
+
+class LuckyNumberHistoryPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val luckyNumberRepository: LuckyNumberRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<LuckyNumberHistoryView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    var currentDate: LocalDate = LocalDate.now().previousOrSameSchoolDay
+
+    override fun onAttachView(view: LuckyNumberHistoryView) {
+        super.onAttachView(view)
+        view.run {
+            initView()
+            reloadNavigation()
+            showContent(false)
+        }
+        Timber.i("Lucky number history view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    private fun loadData() {
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            luckyNumberRepository.getLuckyNumberHistory(student, currentDate.monday, currentDate.sunday)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading lucky number history started")
+                Status.SUCCESS -> {
+                    if (!it.data?.first().isNullOrEmpty()) {
+                        Timber.i("Loading lucky number result: Success")
+                        view?.apply {
+                            updateData(it.data!!.first())
+                            showContent(true)
+                            showEmpty(false)
+                            showErrorView(false)
+                            showProgress(false)
+                        }
+                        analytics.logEvent(
+                            "load_items",
+                            "type" to "lucky_number_history",
+                            "numbers" to it.data
+                        )
+                    } else {
+                        Timber.i("Loading lucky number history result: No lucky numbers found")
+                        view?.run {
+                            showContent(false)
+                            showEmpty(true)
+                            showErrorView(false)
+                        }
+                    }
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading lucky number history result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showProgress(false)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+        Timber.i("Reload lucky number history view with the date ${currentDate.toFormattedString()}")
+        view?.apply {
+            showProgress(true)
+            showContent(false)
+            showEmpty(false)
+            showErrorView(false)
+            clearData()
+            reloadNavigation()
+        }
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun reloadNavigation() {
+        view?.apply {
+            showPreButton(!currentDate.minusDays(7).isHolidays)
+            showNextButton(!currentDate.plusDays(7).isHolidays)
+            updateNavigationWeek("${currentDate.monday.toFormattedString("dd.MM")} - " +
+                currentDate.sunday.toFormattedString("dd.MM"))
+        }
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        reloadView(LocalDate.of(year, month, day))
+        loadData()
+    }
+
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onPreviousWeek() {
+        reloadView(currentDate.minusDays(7))
+        loadData()
+    }
+
+    fun onNextWeek() {
+        reloadView(currentDate.plusDays(7))
+        loadData()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryView.kt
new file mode 100644
index 000000000..331e4ff86
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryView.kt
@@ -0,0 +1,36 @@
+package io.github.wulkanowy.ui.modules.luckynumber.history
+
+import io.github.wulkanowy.data.db.entities.LuckyNumber
+import io.github.wulkanowy.ui.base.BaseView
+import java.time.LocalDate
+
+interface LuckyNumberHistoryView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<LuckyNumber>)
+
+    fun clearData()
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun updateNavigationWeek(date: String)
+
+    fun showProgress(show: Boolean)
+
+    fun showPreButton(show: Boolean)
+
+    fun showNextButton(show: Boolean)
+
+    fun showDatePickerDialog(currentDate: LocalDate)
+
+    fun showContent(show: Boolean)
+
+    fun onDestroyView()
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureActivity.kt
index 3dd0e5dfa..024beff85 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureActivity.kt
@@ -4,31 +4,43 @@ import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
 import android.content.Intent
+import android.os.Build
 import android.os.Bundle
 import android.widget.Toast
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.appcompat.app.AlertDialog
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ActivityWidgetConfigureBinding
 import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.WidgetConfigureAdapter
 import io.github.wulkanowy.ui.modules.login.LoginActivity
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.activity_widget_configure.*
+import io.github.wulkanowy.utils.AppInfo
 import javax.inject.Inject
 
-class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigurePresenter>(),
+@AndroidEntryPoint
+class LuckyNumberWidgetConfigureActivity :
+    BaseActivity<LuckyNumberWidgetConfigurePresenter, ActivityWidgetConfigureBinding>(),
     LuckyNumberWidgetConfigureView {
 
     @Inject
-    lateinit var configureAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var configureAdapter: WidgetConfigureAdapter
 
     @Inject
     override lateinit var presenter: LuckyNumberWidgetConfigurePresenter
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    private var dialog: AlertDialog? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setResult(RESULT_CANCELED)
-        setContentView(R.layout.activity_widget_configure)
+        setContentView(
+            ActivityWidgetConfigureBinding.inflate(layoutInflater).apply { binding = this }.root
+        )
 
         intent.extras.let {
             presenter.onAttachView(this, it?.getInt(EXTRA_APPWIDGET_ID))
@@ -36,15 +48,36 @@ class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigu
     }
 
     override fun initView() {
-        widgetConfigureRecycler.apply {
+        with(binding.widgetConfigureRecycler) {
             adapter = configureAdapter
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+            layoutManager = LinearLayoutManager(context)
         }
-        configureAdapter.setOnItemClickListener { presenter.onItemSelect(it) }
+
+        configureAdapter.onClickListener = presenter::onItemSelect
     }
 
-    override fun updateData(data: List<LuckyNumberWidgetConfigureItem>) {
-        configureAdapter.updateDataSet(data)
+    override fun showThemeDialog() {
+        var items = arrayOf(
+            getString(R.string.widget_timetable_theme_light),
+            getString(R.string.widget_timetable_theme_dark)
+        )
+        if (appInfo.systemVersion >= Build.VERSION_CODES.Q) items += (getString(R.string.widget_timetable_theme_system))
+
+        dialog = AlertDialog.Builder(this, R.style.WulkanowyTheme_WidgetAccountSwitcher)
+            .setTitle(R.string.widget_timetable_theme_title)
+            .setOnDismissListener { presenter.onDismissThemeView() }
+            .setSingleChoiceItems(items, -1) { _, which ->
+                presenter.onThemeSelect(which)
+            }
+            .show()
+    }
+
+    override fun updateData(data: List<StudentWithSemesters>, selectedStudentId: Long) {
+        with(configureAdapter) {
+            selectedId = selectedStudentId
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateLuckyNumberWidget(widgetId: Int) {
@@ -70,4 +103,9 @@ class LuckyNumberWidgetConfigureActivity : BaseActivity<LuckyNumberWidgetConfigu
     override fun openLoginView() {
         startActivity(LoginActivity.getStartIntent(this))
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        dialog?.dismiss()
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureItem.kt
deleted file mode 100644
index e260b7fcb..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureItem.kt
+++ /dev/null
@@ -1,60 +0,0 @@
-package io.github.wulkanowy.ui.modules.luckynumberwidget
-
-import android.annotation.SuppressLint
-import android.view.View
-import androidx.core.graphics.ColorUtils
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetConfigureItem
-import io.github.wulkanowy.utils.getThemeAttrColor
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_account.*
-
-class LuckyNumberWidgetConfigureItem(var student: Student, val isCurrent: Boolean) :
-    AbstractFlexibleItem<LuckyNumberWidgetConfigureItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_account
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        val context = holder.contentView.context
-
-        val colorImage = if (isCurrent) context.getThemeAttrColor(R.attr.colorPrimary)
-        else ColorUtils.setAlphaComponent(context.getThemeAttrColor(R.attr.colorOnSurface), 153)
-
-        with(holder) {
-            accountItemName.text = "${student.studentName} ${student.className}"
-            accountItemSchool.text = student.schoolName
-            accountItemImage.setColorFilter(colorImage)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as TimetableWidgetConfigureItem
-
-        if (student != other.student) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = student.hashCode()
-        result = 31 * result + student.id.toInt()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
index 6f4394ed2..5b6af69ac 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
@@ -1,24 +1,28 @@
 package io.github.wulkanowy.ui.modules.luckynumberwidget
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getStudentWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getThemeWidgetKey
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
 import javax.inject.Inject
 
 class LuckyNumberWidgetConfigurePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val sharedPref: SharedPrefProvider
-) : BasePresenter<LuckyNumberWidgetConfigureView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LuckyNumberWidgetConfigureView>(errorHandler, studentRepository) {
 
     private var appWidgetId: Int? = null
 
+    private var selectedStudent: Student? = null
+
     fun onAttachView(view: LuckyNumberWidgetConfigureView, appWidgetId: Int?) {
         super.onAttachView(view)
         this.appWidgetId = appWidgetId
@@ -26,35 +30,53 @@ class LuckyNumberWidgetConfigurePresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelect(item: AbstractFlexibleItem<*>) {
-        if (item is LuckyNumberWidgetConfigureItem) {
-            registerStudent(item.student)
+    fun onItemSelect(student: Student) {
+        selectedStudent = student
+        view?.showThemeDialog()
+    }
+
+    fun onThemeSelect(index: Int) {
+        appWidgetId?.let {
+            sharedPref.putLong(getThemeWidgetKey(it), index.toLong())
         }
+        registerStudent(selectedStudent)
+    }
+
+    fun onDismissThemeView() {
+        view?.finishView()
     }
 
     private fun loadData() {
-        disposable.add(studentRepository.getSavedStudents(false)
-            .map { it to appWidgetId?.let { id -> sharedPref.getLong(getStudentWidgetKey(id), 0) } }
-            .map { (students, currentStudentId) ->
-                students.map { student -> LuckyNumberWidgetConfigureItem(student, student.id == currentStudentId) }
-            }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                when {
-                    it.isEmpty() -> view?.openLoginView()
-                    it.size == 1 -> registerStudent(it.single().student)
-                    else -> view?.updateData(it)
+        flowWithResource { studentRepository.getSavedStudents(false) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Lucky number widget configure students data load")
+                Status.SUCCESS -> {
+                    val selectedStudentId = appWidgetId?.let { id ->
+                        sharedPref.getLong(getStudentWidgetKey(id), 0)
+                    } ?: -1
+
+                    when {
+                        it.data!!.isEmpty() -> view?.openLoginView()
+                        it.data.size == 1 -> {
+                            selectedStudent = it.data.single().student
+                            view?.showThemeDialog()
+                        }
+                        else -> view?.updateData(it.data, selectedStudentId)
+                    }
                 }
-            }, { errorHandler.dispatch(it) }))
+                Status.ERROR -> errorHandler.dispatch(it.error!!)
+            }
+        }.launch()
     }
 
-    private fun registerStudent(student: Student) {
-        appWidgetId?.also {
-            sharedPref.putLong(getStudentWidgetKey(it), student.id)
-            view?.apply {
-                updateLuckyNumberWidget(it)
-                setSuccessResult(it)
+    private fun registerStudent(student: Student?) {
+        requireNotNull(student)
+
+        appWidgetId?.let { id ->
+            sharedPref.putLong(getStudentWidgetKey(id), student.id)
+            view?.run {
+                updateLuckyNumberWidget(id)
+                setSuccessResult(id)
             }
         }
         view?.finishView()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureView.kt
index 49c3f1dcd..b4556f7ef 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigureView.kt
@@ -1,13 +1,15 @@
 package io.github.wulkanowy.ui.modules.luckynumberwidget
 
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
-import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetConfigureItem
 
 interface LuckyNumberWidgetConfigureView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<LuckyNumberWidgetConfigureItem>)
+    fun showThemeDialog()
+
+    fun updateData(data: List<StudentWithSemesters>, selectedStudentId: Long)
 
     fun updateLuckyNumberWidget(widgetId: Int)
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
index 895fe5714..49a199431 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
@@ -1,119 +1,147 @@
 package io.github.wulkanowy.ui.modules.luckynumberwidget
 
-import android.annotation.TargetApi
 import android.app.PendingIntent
 import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.appwidget.AppWidgetManager
-import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_DELETED
-import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_OPTIONS_CHANGED
-import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE
-import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
-import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
-import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_OPTIONS
 import android.appwidget.AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT
-import android.appwidget.AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH
-import android.content.BroadcastReceiver
+import android.appwidget.AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH
+import android.appwidget.AppWidgetProvider
 import android.content.Context
-import android.content.Intent
-import android.os.Build
+import android.content.res.Configuration
+import android.os.Bundle
 import android.view.View.GONE
 import android.view.View.VISIBLE
 import android.widget.RemoteViews
-import dagger.android.AndroidInjection
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.LuckyNumberRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Maybe
+import io.github.wulkanowy.utils.toFirstResult
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import javax.inject.Inject
 
-class LuckyNumberWidgetProvider : BroadcastReceiver() {
+@AndroidEntryPoint
+class LuckyNumberWidgetProvider : AppWidgetProvider() {
 
     @Inject
     lateinit var studentRepository: StudentRepository
 
-    @Inject
-    lateinit var semesterRepository: SemesterRepository
-
     @Inject
     lateinit var luckyNumberRepository: LuckyNumberRepository
 
-    @Inject
-    lateinit var schedulers: SchedulersProvider
-
-    @Inject
-    lateinit var appWidgetManager: AppWidgetManager
-
     @Inject
     lateinit var sharedPref: SharedPrefProvider
 
     companion object {
+
         fun getStudentWidgetKey(appWidgetId: Int) = "lucky_number_widget_student_$appWidgetId"
+
+        fun getThemeWidgetKey(appWidgetId: Int) = "lucky_number_widget_theme_$appWidgetId"
+
+        fun getHeightWidgetKey(appWidgetId: Int) = "lucky_number_widget_height_$appWidgetId"
+
+        fun getWidthWidgetKey(appWidgetId: Int) = "lucky_number_widget_width_$appWidgetId"
     }
 
-    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
-    override fun onReceive(context: Context, intent: Intent) {
-        AndroidInjection.inject(this, context)
-        when (intent.action) {
-            ACTION_APPWIDGET_UPDATE -> onUpdate(context, intent)
-            ACTION_APPWIDGET_DELETED -> onDelete(intent)
-            ACTION_APPWIDGET_OPTIONS_CHANGED -> onOptionsChange(context, intent)
+    override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray?) {
+        super.onUpdate(context, appWidgetManager, appWidgetIds)
+        appWidgetIds?.forEach { appWidgetId ->
+
+            val luckyNumber = getLuckyNumber(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)
+            val appIntent = PendingIntent.getActivity(context, MainView.Section.LUCKY_NUMBER.id,
+                MainActivity.getStartIntent(context, MainView.Section.LUCKY_NUMBER, true), FLAG_UPDATE_CURRENT)
+
+            val remoteView = RemoteViews(context.packageName, getCorrectLayoutId(appWidgetId, context)).apply {
+                setTextViewText(R.id.luckyNumberWidgetNumber, luckyNumber?.luckyNumber?.toString() ?: "#")
+                setOnClickPendingIntent(R.id.luckyNumberWidgetContainer, appIntent)
+            }
+
+            setStyles(remoteView, appWidgetId)
+            appWidgetManager.updateAppWidget(appWidgetId, remoteView)
         }
     }
 
-    private fun onUpdate(context: Context, intent: Intent) {
-        intent.getIntArrayExtra(EXTRA_APPWIDGET_IDS)?.forEach { appWidgetId ->
-            RemoteViews(context.packageName, R.layout.widget_luckynumber).apply {
-                setTextViewText(R.id.luckyNumberWidgetNumber,
-                    getLuckyNumber(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)?.luckyNumber?.toString() ?: "#"
-                )
-                setOnClickPendingIntent(R.id.luckyNumberWidgetContainer,
-                    PendingIntent.getActivity(context, MainView.Section.LUCKY_NUMBER.id,
-                        MainActivity.getStartIntent(context, MainView.Section.LUCKY_NUMBER, true), FLAG_UPDATE_CURRENT))
-            }.also {
-                setStyles(it, intent)
-                appWidgetManager.updateAppWidget(appWidgetId, it)
+    override fun onDeleted(context: Context?, appWidgetIds: IntArray?) {
+        super.onDeleted(context, appWidgetIds)
+        appWidgetIds?.forEach { appWidgetId ->
+            with(sharedPref) {
+                delete(getHeightWidgetKey(appWidgetId))
+                delete(getStudentWidgetKey(appWidgetId))
+                delete(getThemeWidgetKey(appWidgetId))
+                delete(getWidthWidgetKey(appWidgetId))
             }
         }
     }
 
-    private fun onDelete(intent: Intent) {
-        intent.getIntExtra(EXTRA_APPWIDGET_ID, 0).let {
-            if (it != 0) sharedPref.delete(getStudentWidgetKey(it))
+    override fun onAppWidgetOptionsChanged(context: Context, appWidgetManager: AppWidgetManager, appWidgetId: Int, newOptions: Bundle?) {
+        super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions)
+
+        val remoteView = RemoteViews(context.packageName, getCorrectLayoutId(appWidgetId, context))
+
+        setStyles(remoteView, appWidgetId, newOptions)
+        appWidgetManager.updateAppWidget(appWidgetId, remoteView)
+    }
+
+    private fun setStyles(views: RemoteViews, appWidgetId: Int, options: Bundle? = null) {
+        val width = options?.getInt(OPTION_APPWIDGET_MIN_WIDTH) ?: sharedPref.getLong(getWidthWidgetKey(appWidgetId), 74).toInt()
+        val height = options?.getInt(OPTION_APPWIDGET_MAX_HEIGHT) ?: sharedPref.getLong(getHeightWidgetKey(appWidgetId), 74).toInt()
+
+        with(sharedPref) {
+            putLong(getWidthWidgetKey(appWidgetId), width.toLong())
+            putLong(getHeightWidgetKey(appWidgetId), height.toLong())
+        }
+
+        val rows = getCellsForSize(height)
+        val cols = getCellsForSize(width)
+
+        Timber.d("New lucky number widget measurement: %dx%d", width, height)
+        Timber.d("Widget size: $cols x $rows")
+
+        when {
+            1 == cols && 1 == rows -> views.setVisibility(imageTop = false, imageLeft = false)
+            1 == cols && 1 < rows -> views.setVisibility(imageTop = true, imageLeft = false)
+            1 < cols && 1 == rows -> views.setVisibility(imageTop = false, imageLeft = true)
+            1 == cols && 1 == rows -> views.setVisibility(imageTop = true, imageLeft = false)
+            2 == cols && 1 == rows -> views.setVisibility(imageTop = false, imageLeft = true)
+            else -> views.setVisibility(imageTop = false, imageLeft = false, title = true)
         }
     }
 
-    private fun getLuckyNumber(studentId: Long, appWidgetId: Int): LuckyNumber? {
-        return try {
-            studentRepository.isStudentSaved()
-                .filter { true }
-                .flatMap { studentRepository.getSavedStudents().toMaybe() }
-                .flatMap { students ->
-                    students.singleOrNull { student -> student.id == studentId }
-                        .let { student ->
-                            when {
-                                student != null -> Maybe.just(student)
-                                studentId != 0L -> {
-                                    studentRepository.isCurrentStudentSet()
-                                        .filter { true }
-                                        .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
-                                        .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                }
-                                else -> Maybe.empty()
-                            }
-                        }
+    private fun RemoteViews.setVisibility(imageTop: Boolean, imageLeft: Boolean, title: Boolean = false) {
+        setViewVisibility(R.id.luckyNumberWidgetImageTop, if (imageTop) VISIBLE else GONE)
+        setViewVisibility(R.id.luckyNumberWidgetImageLeft, if (imageLeft) VISIBLE else GONE)
+        setViewVisibility(R.id.luckyNumberWidgetTitle, if (title) VISIBLE else GONE)
+        setViewVisibility(R.id.luckyNumberWidgetNumber, VISIBLE)
+    }
+
+    private fun getCellsForSize(size: Int): Int {
+        var n = 2
+        while (74 * n - 30 < size) ++n
+        return n - 1
+    }
+
+    private fun getLuckyNumber(studentId: Long, appWidgetId: Int) = runBlocking {
+        try {
+            val students = studentRepository.getSavedStudents()
+            val student = students.singleOrNull { it.student.id == studentId }?.student
+            val currentStudent = when {
+                student != null -> student
+                studentId != 0L && studentRepository.isCurrentStudentSet() -> {
+                    studentRepository.getCurrentStudent(false).also {
+                        sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id)
+                    }
                 }
-                .flatMap { semesterRepository.getCurrentSemester(it).toMaybe() }
-                .flatMap { luckyNumberRepository.getLuckyNumber(it) }
-                .subscribeOn(schedulers.backgroundThread)
-                .blockingGet()
+                else -> null
+            }
+
+            currentStudent?.let {
+                luckyNumberRepository.getLuckyNumber(it, false).toFirstResult().data
+            }
         } catch (e: Exception) {
             if (e.cause !is NoCurrentStudentException) {
                 Timber.e(e, "An error has occurred in lucky number provider")
@@ -122,65 +150,14 @@ class LuckyNumberWidgetProvider : BroadcastReceiver() {
         }
     }
 
-    private fun onOptionsChange(context: Context, intent: Intent) {
-        intent.extras?.let { extras ->
-            RemoteViews(context.packageName, R.layout.widget_luckynumber).apply {
-                setStyles(this, intent)
-                appWidgetManager.updateAppWidget(extras.getInt(EXTRA_APPWIDGET_ID), this)
-            }
-        }
-    }
+    private fun getCorrectLayoutId(appWidgetId: Int, context: Context): Int {
+        val savedTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
+        val isSystemDarkMode = context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK == Configuration.UI_MODE_NIGHT_YES
 
-    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
-    private fun setStyles(views: RemoteViews, intent: Intent) {
-        val options = intent.extras?.getBundle(EXTRA_APPWIDGET_OPTIONS)
-
-        val maxWidth = options?.getInt(OPTION_APPWIDGET_MAX_WIDTH) ?: 150
-        val maxHeight = options?.getInt(OPTION_APPWIDGET_MAX_HEIGHT) ?: 40
-
-        Timber.d("New lucky number widget measurement: %dx%d", maxWidth, maxHeight)
-
-        when {
-            // 1x1
-            maxWidth < 150 && maxHeight < 110 -> {
-                Timber.d("Lucky number widget size: 1x1")
-                views.run {
-                    setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetNumber, VISIBLE)
-                }
-            }
-            // 1x2
-            maxWidth < 150 && maxHeight > 110 -> {
-                Timber.d("Lucky number widget size: 1x2")
-                views.run {
-                    setViewVisibility(R.id.luckyNumberWidgetImageTop, VISIBLE)
-                    setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetNumber, VISIBLE)
-                }
-            }
-            // 2x1
-            maxWidth >= 150 && maxHeight <= 110 -> {
-                Timber.d("Lucky number widget size: 2x1")
-                views.run {
-                    setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetImageLeft, VISIBLE)
-                    setViewVisibility(R.id.luckyNumberWidgetTitle, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetNumber, VISIBLE)
-                }
-            }
-            // 2x2 and bigger
-            else -> {
-                Timber.d("Lucky number widget size: 2x2 and bigger")
-                views.run {
-                    setViewVisibility(R.id.luckyNumberWidgetImageTop, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetImageLeft, GONE)
-                    setViewVisibility(R.id.luckyNumberWidgetTitle, VISIBLE)
-                    setViewVisibility(R.id.luckyNumberWidgetNumber, VISIBLE)
-                }
-            }
+        return if (savedTheme == 1L || (savedTheme == 2L && isSystemDarkMode)) {
+            R.layout.widget_luckynumber_dark
+        } else {
+            R.layout.widget_luckynumber
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt
index 4c7f77593..37c6c6e75 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt
@@ -1,27 +1,43 @@
 package io.github.wulkanowy.ui.modules.main
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.graphics.drawable.Icon
+import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Build.VERSION_CODES.LOLLIPOP
+import android.os.Build.VERSION_CODES.P
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
-import androidx.core.graphics.ColorUtils
+import android.view.ViewGroup
+import androidx.annotation.RequiresApi
+import androidx.core.content.getSystemService
 import androidx.core.view.ViewCompat
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
+import androidx.core.view.updateMargins
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
 import com.aurelhubert.ahbottomnavigation.AHBottomNavigation.TitleState.ALWAYS_SHOW
 import com.aurelhubert.ahbottomnavigation.AHBottomNavigationItem
 import com.google.android.material.elevation.ElevationOverlayProvider
 import com.ncapdevi.fragnav.FragNavController
 import com.ncapdevi.fragnav.FragNavController.Companion.HIDE
-import dagger.Lazy
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ActivityMainBinding
 import io.github.wulkanowy.ui.base.BaseActivity
-import io.github.wulkanowy.ui.modules.account.AccountDialog
+import io.github.wulkanowy.ui.modules.account.accountquick.AccountQuickDialog
 import io.github.wulkanowy.ui.modules.attendance.AttendanceFragment
 import io.github.wulkanowy.ui.modules.exam.ExamFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
@@ -31,33 +47,51 @@ import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.more.MoreFragment
 import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.UpdateHelper
+import io.github.wulkanowy.utils.createNameInitialsDrawable
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.nickOrName
 import io.github.wulkanowy.utils.safelyPopFragments
 import io.github.wulkanowy.utils.setOnViewChangeListener
-import kotlinx.android.synthetic.main.activity_main.*
+import timber.log.Timber
 import javax.inject.Inject
 
-class MainActivity : BaseActivity<MainPresenter>(), MainView {
+@AndroidEntryPoint
+class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainView,
+    PreferenceFragmentCompat.OnPreferenceStartFragmentCallback {
 
     @Inject
     override lateinit var presenter: MainPresenter
 
     @Inject
-    lateinit var navController: FragNavController
+    lateinit var analytics: AnalyticsHelper
 
     @Inject
-    lateinit var overlayProvider: Lazy<ElevationOverlayProvider>
+    lateinit var updateHelper: UpdateHelper
+
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    private var accountMenu: MenuItem? = null
+
+    private val overlayProvider by lazy { ElevationOverlayProvider(this) }
+
+    private val navController =
+        FragNavController(supportFragmentManager, R.id.mainFragmentContainer)
 
     companion object {
         const val EXTRA_START_MENU = "extraStartMenu"
 
-        fun getStartIntent(context: Context, startMenu: MainView.Section? = null, clear: Boolean = false): Intent {
-            return Intent(context, MainActivity::class.java)
-                .apply {
-                    if (clear) flags = FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK
-                    startMenu?.let { putExtra(EXTRA_START_MENU, it) }
-                }
+        fun getStartIntent(
+            context: Context,
+            startMenu: MainView.Section? = null,
+            clear: Boolean = false
+        ) = Intent(context, MainActivity::class.java).apply {
+            if (clear) flags = FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK
+            startMenu?.let { putExtra(EXTRA_START_MENU, it.id) }
         }
     }
 
@@ -65,7 +99,12 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
 
     override val currentStackSize get() = navController.currentStack?.size
 
-    override val currentViewTitle get() = (navController.currentFrag as? MainView.TitledView)?.titleStringId?.let { getString(it) }
+    override val currentViewTitle
+        get() = (navController.currentFrag as? MainView.TitledView)?.titleStringId?.let {
+            getString(it)
+        }
+
+    override val currentViewSubtitle get() = (navController.currentFrag as? MainView.TitledView)?.subtitleString
 
     override var startMenuIndex = 0
 
@@ -78,42 +117,130 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
         MainView.Section.LUCKY_NUMBER.id to LuckyNumberFragment.newInstance()
     )
 
+    @SuppressLint("NewApi")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
-        setSupportActionBar(mainToolbar)
-        messageContainer = mainFragmentContainer
+        setContentView(ActivityMainBinding.inflate(layoutInflater).apply { binding = this }.root)
+        setSupportActionBar(binding.mainToolbar)
+        messageContainer = binding.mainFragmentContainer
+        updateHelper.messageContainer = binding.mainFragmentContainer
 
-        presenter.onAttachView(this, intent.getSerializableExtra(EXTRA_START_MENU) as? MainView.Section)
+        val section = MainView.Section.values()
+            .singleOrNull { it.id == intent.getIntExtra(EXTRA_START_MENU, -1) }
+
+        presenter.onAttachView(this, section)
 
         with(navController) {
             initialize(startMenuIndex, savedInstanceState)
             pushFragment(moreMenuFragments[startMenuMoreIndex])
         }
+
+        if (appInfo.systemVersion >= Build.VERSION_CODES.N_MR1) {
+            initShortcuts()
+        }
+
+        updateHelper.checkAndInstallUpdates(this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    //https://developer.android.com/guide/playcore/in-app-updates#status_callback
+    @Suppress("DEPRECATION")
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.N_MR1)
+    fun initShortcuts() {
+        val shortcutsList = mutableListOf<ShortcutInfo>()
+
+        listOf(
+            Triple(
+                getString(R.string.grade_title),
+                R.drawable.ic_shortcut_grade,
+                MainView.Section.GRADE
+            ),
+            Triple(
+                getString(R.string.attendance_title),
+                R.drawable.ic_shortcut_attendance,
+                MainView.Section.ATTENDANCE
+            ),
+            Triple(
+                getString(R.string.exam_title),
+                R.drawable.ic_shortcut_exam,
+                MainView.Section.EXAM
+            ),
+            Triple(
+                getString(R.string.timetable_title),
+                R.drawable.ic_shortcut_timetable,
+                MainView.Section.TIMETABLE
+            )
+        ).forEach { (title, icon, enum) ->
+            shortcutsList.add(
+                ShortcutInfo.Builder(applicationContext, title)
+                    .setShortLabel(title)
+                    .setLongLabel(title)
+                    .setIcon(Icon.createWithResource(applicationContext, icon))
+                    .setIntents(
+                        arrayOf(
+                            Intent(applicationContext, MainActivity::class.java)
+                                .setAction(Intent.ACTION_VIEW),
+                            Intent(applicationContext, MainActivity::class.java)
+                                .putExtra(EXTRA_START_MENU, enum.id)
+                                .setAction(Intent.ACTION_VIEW)
+                                .addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)
+                        )
+                    )
+                    .build()
+            )
+        }
+
+        getSystemService<ShortcutManager>()?.dynamicShortcuts = shortcutsList
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
         menuInflater.inflate(R.menu.action_menu_main, menu)
+        accountMenu = menu?.findItem(R.id.mainMenuAccount)
+
+        presenter.onActionMenuCreated()
         return true
     }
 
+    @SuppressLint("NewApi")
     override fun initView() {
-        with(mainToolbar) {
+        with(binding.mainToolbar) {
             if (SDK_INT >= LOLLIPOP) stateListAnimator = null
-            setBackgroundColor(overlayProvider.get().getSurfaceColorWithOverlayIfNeeded(dpToPx(4f)))
+            setBackgroundColor(
+                overlayProvider.compositeOverlayWithThemeSurfaceColorIfNeeded(dpToPx(4f))
+            )
         }
 
-        with(mainBottomNav) {
-            addItems(listOf(
-                AHBottomNavigationItem(R.string.grade_title, R.drawable.ic_main_grade, 0),
-                AHBottomNavigationItem(R.string.attendance_title, R.drawable.ic_main_attendance, 0),
-                AHBottomNavigationItem(R.string.exam_title, R.drawable.ic_main_exam, 0),
-                AHBottomNavigationItem(R.string.timetable_title, R.drawable.ic_main_timetable, 0),
-                AHBottomNavigationItem(R.string.more_title, R.drawable.ic_main_more, 0)
-            ))
+        with(binding.mainBottomNav) {
+            addItems(
+                listOf(
+                    AHBottomNavigationItem(R.string.grade_title, R.drawable.ic_main_grade, 0),
+                    AHBottomNavigationItem(
+                        R.string.attendance_title,
+                        R.drawable.ic_main_attendance,
+                        0
+                    ),
+                    AHBottomNavigationItem(R.string.exam_title, R.drawable.ic_main_exam, 0),
+                    AHBottomNavigationItem(
+                        R.string.timetable_title,
+                        R.drawable.ic_main_timetable,
+                        0
+                    ),
+                    AHBottomNavigationItem(R.string.more_title, R.drawable.ic_main_more, 0)
+                )
+            )
             accentColor = getThemeAttrColor(R.attr.colorPrimary)
-            inactiveColor = ColorUtils.setAlphaComponent(getThemeAttrColor(R.attr.colorOnSurface), 153)
-            defaultBackgroundColor = overlayProvider.get().getSurfaceColorWithOverlayIfNeeded(dpToPx(8f))
+            inactiveColor = getThemeAttrColor(R.attr.colorOnSurface, 153)
+            defaultBackgroundColor =
+                overlayProvider.compositeOverlayWithThemeSurfaceColorIfNeeded(dpToPx(8f))
             titleState = ALWAYS_SHOW
             currentItem = startMenuIndex
             isBehaviorTranslationEnabled = false
@@ -122,7 +249,31 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
         }
 
         with(navController) {
-            setOnViewChangeListener(presenter::onViewChange)
+            setOnViewChangeListener { section, name ->
+                if (section == MainView.Section.ACCOUNT || section == MainView.Section.STUDENT_INFO) {
+                    binding.mainBottomNav.isVisible = false
+                    binding.mainFragmentContainer.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+                        updateMargins(bottom = 0)
+                    }
+
+                    if (appInfo.systemVersion >= P) {
+                        window.navigationBarColor = getThemeAttrColor(R.attr.colorSurface)
+                    }
+                } else {
+                    binding.mainBottomNav.isVisible = true
+                    binding.mainFragmentContainer.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+                        updateMargins(bottom = dpToPx(56f).toInt())
+                    }
+
+                    if (appInfo.systemVersion >= P) {
+                        window.navigationBarColor =
+                            getThemeAttrColor(android.R.attr.navigationBarColor)
+                    }
+                }
+
+                analytics.setCurrentScreen(this@MainActivity, name)
+                presenter.onViewChange(section)
+            }
             fragmentHideStrategy = HIDE
             rootFragments = listOf(
                 GradeFragment.newInstance(),
@@ -134,8 +285,18 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
         }
     }
 
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        return if (item?.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
+    override fun onPreferenceStartFragment(
+        caller: PreferenceFragmentCompat,
+        pref: Preference
+    ): Boolean {
+        val fragment =
+            supportFragmentManager.fragmentFactory.instantiate(classLoader, pref.fragment)
+        pushView(fragment)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
         else false
     }
 
@@ -144,6 +305,9 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
     }
 
     override fun switchMenuView(position: Int) {
+        if (supportFragmentManager.isStateSaved) return
+
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.switchTab(position)
     }
 
@@ -151,31 +315,57 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
         supportActionBar?.title = title
     }
 
+    override fun setViewSubTitle(subtitle: String?) {
+        supportActionBar?.subtitle = subtitle
+    }
+
     override fun showHomeArrow(show: Boolean) {
         supportActionBar?.setDisplayHomeAsUpEnabled(show)
     }
 
-    override fun showAccountPicker() {
-        navController.showDialogFragment(AccountDialog.newInstance())
+    override fun showAccountPicker(studentWithSemesters: List<StudentWithSemesters>) {
+        showDialogFragment(AccountQuickDialog.newInstance(studentWithSemesters))
     }
 
     override fun showActionBarElevation(show: Boolean) {
-        ViewCompat.setElevation(mainToolbar, if (show) dpToPx(4f) else 0f)
+        ViewCompat.setElevation(binding.mainToolbar, if (show) dpToPx(4f) else 0f)
     }
 
     override fun notifyMenuViewReselected() {
         (navController.currentStack?.getOrNull(0) as? MainView.MainChildView)?.onFragmentReselected()
     }
 
+    override fun notifyMenuViewChanged() {
+        Timber.d("Menu view changed")
+        (navController.currentStack?.getOrNull(0) as? MainView.MainChildView)?.onFragmentChanged()
+    }
+
+    @Suppress("DEPRECATION")
     fun showDialogFragment(dialog: DialogFragment) {
+        if (supportFragmentManager.isStateSaved) return
+
+        //Deprecated method is used here to avoid fragnav bug
+        if (navController.currentDialogFrag?.fragmentManager == null) {
+            FragNavController::class.java.getDeclaredField("mCurrentDialogFrag").apply {
+                isAccessible = true
+                set(navController, null)
+            }
+        }
+
         navController.showDialogFragment(dialog)
     }
 
     fun pushView(fragment: Fragment) {
+        if (supportFragmentManager.isStateSaved) return
+
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.pushFragment(fragment)
     }
 
     override fun popView(depth: Int) {
+        if (supportFragmentManager.isStateSaved) return
+
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.safelyPopFragments(depth)
     }
 
@@ -183,6 +373,13 @@ class MainActivity : BaseActivity<MainPresenter>(), MainView {
         presenter.onBackPressed { super.onBackPressed() }
     }
 
+    override fun showStudentAvatar(student: Student) {
+        accountMenu?.run {
+            icon = createNameInitialsDrawable(student.nickOrName, student.avatarColor, 0.44f)
+            title = getString(R.string.main_account_picker)
+        }
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         navController.onSaveInstanceState(outState)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainModule.kt
deleted file mode 100644
index 9444d58df..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainModule.kt
+++ /dev/null
@@ -1,123 +0,0 @@
-package io.github.wulkanowy.ui.modules.main
-
-import com.google.android.material.elevation.ElevationOverlayProvider
-import com.ncapdevi.fragnav.FragNavController
-import dagger.Module
-import dagger.Provides
-import dagger.android.ContributesAndroidInjector
-import io.github.wulkanowy.R
-import io.github.wulkanowy.di.scopes.PerFragment
-import io.github.wulkanowy.ui.modules.about.AboutFragment
-import io.github.wulkanowy.ui.modules.about.license.LicenseFragment
-import io.github.wulkanowy.ui.modules.about.license.LicenseModule
-import io.github.wulkanowy.ui.modules.account.AccountDialog
-import io.github.wulkanowy.ui.modules.attendance.AttendanceFragment
-import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
-import io.github.wulkanowy.ui.modules.exam.ExamFragment
-import io.github.wulkanowy.ui.modules.grade.GradeFragment
-import io.github.wulkanowy.ui.modules.grade.GradeModule
-import io.github.wulkanowy.ui.modules.homework.HomeworkFragment
-import io.github.wulkanowy.ui.modules.luckynumber.LuckyNumberFragment
-import io.github.wulkanowy.ui.modules.message.MessageFragment
-import io.github.wulkanowy.ui.modules.message.MessageModule
-import io.github.wulkanowy.ui.modules.message.preview.MessagePreviewFragment
-import io.github.wulkanowy.ui.modules.mobiledevice.MobileDeviceFragment
-import io.github.wulkanowy.ui.modules.mobiledevice.MobileDeviceModule
-import io.github.wulkanowy.ui.modules.mobiledevice.token.MobileDeviceTokenDialog
-import io.github.wulkanowy.ui.modules.more.MoreFragment
-import io.github.wulkanowy.ui.modules.note.NoteFragment
-import io.github.wulkanowy.ui.modules.settings.SettingsFragment
-import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
-import io.github.wulkanowy.ui.modules.timetable.completed.CompletedLessonsFragment
-
-@Suppress("unused")
-@Module
-abstract class MainModule {
-
-    @Module
-    companion object {
-
-        @JvmStatic
-        @Provides
-        fun provideFragNavController(activity: MainActivity): FragNavController {
-            return FragNavController(activity.supportFragmentManager, R.id.mainFragmentContainer)
-        }
-
-        //In activities must be injected as Lazy
-        @JvmStatic
-        @Provides
-        fun provideElevationOverlayProvider(activity: MainActivity) = ElevationOverlayProvider(activity)
-    }
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindAttendanceFragment(): AttendanceFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindAttendanceSummaryFragment(): AttendanceSummaryFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindExamFragment(): ExamFragment
-
-    @PerFragment
-    @ContributesAndroidInjector(modules = [GradeModule::class])
-    abstract fun bindGradeFragment(): GradeFragment
-
-    @PerFragment
-    @ContributesAndroidInjector(modules = [MessageModule::class])
-    abstract fun bindMessagesFragment(): MessageFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindMessagePreviewFragment(): MessagePreviewFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindMoreFragment(): MoreFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindTimetableFragment(): TimetableFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindAboutFragment(): AboutFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindSettingsFragment(): SettingsFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindNoteFragment(): NoteFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindHomeworkFragment(): HomeworkFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindLuckyNumberFragment(): LuckyNumberFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindCompletedLessonsFragment(): CompletedLessonsFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindAccountDialog(): AccountDialog
-
-    @PerFragment
-    @ContributesAndroidInjector(modules = [MobileDeviceModule::class])
-    abstract fun bindMobileDevices(): MobileDeviceFragment
-
-    @PerFragment
-    @ContributesAndroidInjector
-    abstract fun bindMobileDeviceDialog(): MobileDeviceTokenDialog
-
-    @PerFragment
-    @ContributesAndroidInjector(modules = [LicenseModule::class])
-    abstract fun bindLicenseFragment(): LicenseFragment
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
index 07e4c8d0e..ffcfcb614 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
@@ -1,25 +1,30 @@
 package io.github.wulkanowy.ui.modules.main
 
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.main.MainView.Section.GRADE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.MESSAGE
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.ui.modules.main.MainView.Section.SCHOOL
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class MainPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val prefRepository: PreferencesRepository,
     private val syncManager: SyncManager,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MainView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper,
+) : BasePresenter<MainView>(errorHandler, studentRepository) {
+
+    var studentsWitSemesters: List<StudentWithSemesters>? = null
 
     fun onAttachView(view: MainView, initMenu: MainView.Section?) {
         super.onAttachView(view)
@@ -32,14 +37,37 @@ class MainPresenter @Inject constructor(
             Timber.i("Main view was initialized with $startMenuIndex menu index and $startMenuMoreIndex more index")
         }
 
-        syncManager.startSyncWorker()
+        syncManager.startPeriodicSyncWorker()
         analytics.logEvent("app_open", "destination" to initMenu?.name)
     }
 
+    fun onActionMenuCreated() {
+        if (!studentsWitSemesters.isNullOrEmpty()) {
+            showCurrentStudentAvatar()
+            return
+        }
+
+        flowWithResource { studentRepository.getSavedStudents(false) }
+            .onEach { resource ->
+                when (resource.status) {
+                    Status.LOADING -> Timber.i("Loading student avatar data started")
+                    Status.SUCCESS -> {
+                        studentsWitSemesters = resource.data
+                        showCurrentStudentAvatar()
+                    }
+                    Status.ERROR -> {
+                        Timber.i("Loading student avatar result: An exception occurred")
+                        errorHandler.dispatch(resource.error!!)
+                    }
+                }
+            }.launch("avatar")
+    }
+
     fun onViewChange(section: MainView.Section?) {
         view?.apply {
-            showActionBarElevation(section != GRADE && section != MESSAGE)
+            showActionBarElevation(section != GRADE && section != MESSAGE && section != SCHOOL)
             currentViewTitle?.let { setViewTitle(it) }
+            currentViewSubtitle?.let { setViewSubTitle(it.ifBlank { null }) }
             currentStackSize?.let {
                 if (it > 1) showHomeArrow(true)
                 else showHomeArrow(false)
@@ -48,8 +76,10 @@ class MainPresenter @Inject constructor(
     }
 
     fun onAccountManagerSelected(): Boolean {
+        if (studentsWitSemesters.isNullOrEmpty()) return true
+
         Timber.i("Select account manager")
-        view?.showAccountPicker()
+        view?.showAccountPicker(studentsWitSemesters!!)
         return true
     }
 
@@ -74,12 +104,20 @@ class MainPresenter @Inject constructor(
                 notifyMenuViewReselected()
                 false
             } else {
+                notifyMenuViewChanged()
                 switchMenuView(index)
                 true
             }
         } == true
     }
 
+    private fun showCurrentStudentAvatar() {
+        val currentStudent =
+            studentsWitSemesters?.singleOrNull { it.student.isCurrent }?.student ?: return
+
+        view?.showStudentAvatar(currentStudent)
+    }
+
     private fun getProperViewIndexes(initMenu: MainView.Section?): Pair<Int, Int> {
         return when (initMenu?.id) {
             in 0..3 -> initMenu!!.id to -1
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainView.kt
index c53adc5b9..a4b7d094b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainView.kt
@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.modules.main
 
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface MainView : BaseView {
@@ -12,6 +14,8 @@ interface MainView : BaseView {
 
     val currentViewTitle: String?
 
+    val currentViewSubtitle: String?
+
     val currentStackSize: Int?
 
     fun initView()
@@ -20,24 +24,36 @@ interface MainView : BaseView {
 
     fun showHomeArrow(show: Boolean)
 
-    fun showAccountPicker()
+    fun showAccountPicker(studentWithSemesters: List<StudentWithSemesters>)
 
     fun showActionBarElevation(show: Boolean)
 
     fun notifyMenuViewReselected()
 
+    fun notifyMenuViewChanged()
+
     fun setViewTitle(title: String)
 
+    fun setViewSubTitle(subtitle: String?)
+
     fun popView(depth: Int = 1)
 
+    fun showStudentAvatar(student: Student)
+
     interface MainChildView {
 
         fun onFragmentReselected()
+
+        fun onFragmentChanged() {}
     }
 
     interface TitledView {
 
         val titleStringId: Int
+
+        var subtitleString: String
+            get() = ""
+            set(_) {}
     }
 
     enum class Section(val id: Int) {
@@ -51,6 +67,9 @@ interface MainView : BaseView {
         NOTE(7),
         LUCKY_NUMBER(8),
         SETTINGS(9),
-        ABOUT(10)
+        ABOUT(10),
+        SCHOOL(11),
+        ACCOUNT(12),
+        STUDENT_INFO(13)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt
index 7a3e135dd..72fc627f8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageFragment.kt
@@ -1,16 +1,15 @@
 package io.github.wulkanowy.ui.modules.message
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.repositories.message.MessageFolder.RECEIVED
-import io.github.wulkanowy.data.repositories.message.MessageFolder.SENT
-import io.github.wulkanowy.data.repositories.message.MessageFolder.TRASHED
+import io.github.wulkanowy.data.enums.MessageFolder.RECEIVED
+import io.github.wulkanowy.data.enums.MessageFolder.SENT
+import io.github.wulkanowy.data.enums.MessageFolder.TRASHED
+import io.github.wulkanowy.databinding.FragmentMessageBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
 import io.github.wulkanowy.ui.modules.main.MainView
@@ -18,16 +17,16 @@ import io.github.wulkanowy.ui.modules.message.send.SendMessageActivity
 import io.github.wulkanowy.ui.modules.message.tab.MessageTabFragment
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.setOnSelectPageListener
-import kotlinx.android.synthetic.main.fragment_message.*
 import javax.inject.Inject
 
-class MessageFragment : BaseFragment(), MessageView, MainView.TitledView {
+@AndroidEntryPoint
+class MessageFragment : BaseFragment<FragmentMessageBinding>(R.layout.fragment_message),
+    MessageView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: MessagePresenter
 
-    @Inject
-    lateinit var pagerAdapter: BaseFragmentPagerAdapter
+    private val pagerAdapter by lazy { BaseFragmentPagerAdapter(childFragmentManager) }
 
     companion object {
         fun newInstance() = MessageFragment()
@@ -35,20 +34,17 @@ class MessageFragment : BaseFragment(), MessageView, MainView.TitledView {
 
     override val titleStringId get() = R.string.message_title
 
-    override val currentPageIndex get() = messageViewPager.currentItem
+    override val currentPageIndex get() = binding.messageViewPager.currentItem
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_message, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentMessageBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
         with(pagerAdapter) {
-            containerId = messageViewPager.id
+            containerId = binding.messageViewPager.id
             addFragmentsWithTitle(mapOf(
                 MessageTabFragment.newInstance(RECEIVED) to getString(R.string.message_inbox),
                 MessageTabFragment.newInstance(SENT) to getString(R.string.message_sent),
@@ -56,31 +52,29 @@ class MessageFragment : BaseFragment(), MessageView, MainView.TitledView {
             ))
         }
 
-        with(messageViewPager) {
+        with(binding.messageViewPager) {
             adapter = pagerAdapter
             offscreenPageLimit = 2
             setOnSelectPageListener(presenter::onPageSelected)
         }
 
-        with(messageTabLayout) {
-            setupWithViewPager(messageViewPager)
+        with(binding.messageTabLayout) {
+            setupWithViewPager(binding.messageViewPager)
             setElevationCompat(context.dpToPx(4f))
         }
 
-        openSendMessageButton.setOnClickListener { presenter.onSendMessageButtonClicked() }
+        binding.openSendMessageButton.setOnClickListener { presenter.onSendMessageButtonClicked() }
     }
 
     override fun showContent(show: Boolean) {
-        messageViewPager.visibility = if (show) VISIBLE else INVISIBLE
-        messageTabLayout.visibility = if (show) VISIBLE else INVISIBLE
+        with(binding) {
+            messageViewPager.visibility = if (show) VISIBLE else INVISIBLE
+            messageTabLayout.visibility = if (show) VISIBLE else INVISIBLE
+        }
     }
 
     override fun showProgress(show: Boolean) {
-        messageProgress.visibility = if (show) VISIBLE else INVISIBLE
-    }
-
-    fun onDeleteMessage(message: Message) {
-        presenter.onDeleteMessage(message)
+        binding.messageProgress.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     fun onChildFragmentLoaded() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageItem.kt
deleted file mode 100644
index 26568e22f..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageItem.kt
+++ /dev/null
@@ -1,62 +0,0 @@
-package io.github.wulkanowy.ui.modules.message
-
-import android.graphics.Typeface.BOLD
-import android.graphics.Typeface.NORMAL
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_message.*
-
-class MessageItem(val message: Message, private val noSubjectString: String) :
-    AbstractFlexibleItem<MessageItem.ViewHolder>() {
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun getLayoutRes() = R.layout.item_message
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            val style = if (message.unread) BOLD else NORMAL
-
-            messageItemAuthor.run {
-                text = if (message.recipient.isNotBlank()) message.recipient else message.sender
-                setTypeface(null, style)
-            }
-            messageItemSubject.run {
-                text = if (message.subject.isNotBlank()) message.subject else noSubjectString
-                setTypeface(null, style)
-            }
-            messageItemDate.run {
-                text = message.date.toFormattedString()
-                setTypeface(null, style)
-            }
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as MessageItem
-
-        if (message != other.message) return false
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return message.hashCode()
-    }
-
-    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageModule.kt
deleted file mode 100644
index c772466fc..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessageModule.kt
+++ /dev/null
@@ -1,27 +0,0 @@
-package io.github.wulkanowy.ui.modules.message
-
-import dagger.Module
-import dagger.Provides
-import dagger.android.ContributesAndroidInjector
-import io.github.wulkanowy.di.scopes.PerChildFragment
-import io.github.wulkanowy.di.scopes.PerFragment
-import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
-import io.github.wulkanowy.ui.modules.message.tab.MessageTabFragment
-
-@Suppress("unused")
-@Module
-abstract class MessageModule {
-
-    @Module
-    companion object {
-
-        @JvmStatic
-        @PerFragment
-        @Provides
-        fun provideMessageAdapter(fragment: MessageFragment) = BaseFragmentPagerAdapter(fragment.childFragmentManager)
-    }
-
-    @PerChildFragment
-    @ContributesAndroidInjector
-    abstract fun bindMessageTabFragment(): MessageTabFragment
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
index 0f5598b23..7b8c3d0f5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
@@ -1,29 +1,26 @@
 package io.github.wulkanowy.ui.modules.message
 
-import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Completable
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import timber.log.Timber
-import java.util.concurrent.TimeUnit.MILLISECONDS
 import javax.inject.Inject
 
 class MessagePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<MessageView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MessageView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MessageView) {
         super.onAttachView(view)
-        disposable.add(Completable.timer(150, MILLISECONDS, schedulers.mainThread)
-            .subscribe {
-                view.initView()
-                Timber.i("Message view was initialized")
-                loadData()
-            })
+        launch {
+            delay(150)
+            view.initView()
+            Timber.i("Message view was initialized")
+            loadData()
+        }
     }
 
     fun onPageSelected(index: Int) {
@@ -46,15 +43,6 @@ class MessagePresenter @Inject constructor(
         }
     }
 
-    fun onDeleteMessage(message: Message) {
-        view?.notifyChildMessageDeleted(
-            when (message.removed) {
-                true -> 2
-                else -> message.folderId - 1
-            }
-        )
-    }
-
     fun onSendMessageButtonClicked() {
         view?.openSendMessage()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewAdapter.kt
new file mode 100644
index 000000000..206a74602
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewAdapter.kt
@@ -0,0 +1,91 @@
+package io.github.wulkanowy.ui.modules.message.preview
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageAttachment
+import io.github.wulkanowy.data.db.entities.MessageWithAttachment
+import io.github.wulkanowy.databinding.ItemMessageAttachmentBinding
+import io.github.wulkanowy.databinding.ItemMessageDividerBinding
+import io.github.wulkanowy.databinding.ItemMessagePreviewBinding
+import io.github.wulkanowy.utils.openInternetBrowser
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class MessagePreviewAdapter @Inject constructor() :
+    RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    enum class ViewType(val id: Int) {
+        MESSAGE(1),
+        DIVIDER(2),
+        ATTACHMENT(3)
+    }
+
+    var messageWithAttachment: MessageWithAttachment? = null
+        set(value) {
+            field = value
+            attachments = value?.attachments.orEmpty()
+        }
+
+    private var attachments: List<MessageAttachment> = emptyList()
+
+    override fun getItemCount() = if (messageWithAttachment == null) 0 else attachments.size + 1 + if (attachments.isNotEmpty()) 1 else 0
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.MESSAGE.id
+        1 -> ViewType.DIVIDER.id
+        else -> ViewType.ATTACHMENT.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.MESSAGE.id -> MessageViewHolder(ItemMessagePreviewBinding.inflate(inflater, parent, false))
+            ViewType.DIVIDER.id -> DividerViewHolder(ItemMessageDividerBinding.inflate(inflater, parent, false))
+            ViewType.ATTACHMENT.id -> AttachmentViewHolder(ItemMessageAttachmentBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is MessageViewHolder -> bindMessage(holder, requireNotNull(messageWithAttachment).message)
+            is AttachmentViewHolder -> bindAttachment(holder, requireNotNull(messageWithAttachment).attachments[position - 2])
+        }
+    }
+
+    @SuppressLint("SetTextI18n")
+    private fun bindMessage(holder: MessageViewHolder, message: Message) {
+        with(holder.binding) {
+            messagePreviewSubject.text = message.subject.ifBlank { root.context.getString(R.string.message_no_subject) }
+            messagePreviewDate.text = root.context.getString(R.string.message_date, message.date.toFormattedString("yyyy-MM-dd HH:mm:ss"))
+            messagePreviewContent.text = message.content
+            messagePreviewFromSender.text = message.sender
+            messagePreviewToRecipient.text = message.recipient
+        }
+    }
+
+    private fun bindAttachment(holder: AttachmentViewHolder, attachment: MessageAttachment) {
+        with(holder.binding) {
+            messagePreviewAttachment.visibility = View.VISIBLE
+            messagePreviewAttachment.text = attachment.filename
+            root.setOnClickListener {
+                root.context.openInternetBrowser(attachment.url) { }
+            }
+        }
+    }
+
+    class MessageViewHolder(val binding: ItemMessagePreviewBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class DividerViewHolder(val binding: ItemMessageDividerBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    class AttachmentViewHolder(val binding: ItemMessageAttachmentBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
index 93ef502f9..74f8f57ec 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt
@@ -1,51 +1,79 @@
 package io.github.wulkanowy.ui.modules.message.preview
 
-import android.annotation.SuppressLint
+import android.os.Build
 import android.os.Bundle
-import android.view.LayoutInflater
+import android.print.PrintAttributes
+import android.print.PrintManager
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.annotation.RequiresApi
+import androidx.core.content.getSystemService
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageWithAttachment
+import io.github.wulkanowy.databinding.FragmentMessagePreviewBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.message.send.SendMessageActivity
-import kotlinx.android.synthetic.main.fragment_message_preview.*
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.shareText
 import javax.inject.Inject
 
-class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.TitledView {
+@AndroidEntryPoint
+class MessagePreviewFragment :
+    BaseFragment<FragmentMessagePreviewBinding>(R.layout.fragment_message_preview),
+    MessagePreviewView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: MessagePreviewPresenter
 
+    @Inject
+    lateinit var previewAdapter: MessagePreviewAdapter
+
+    @Inject
+    lateinit var appInfo: AppInfo
+
     private var menuReplyButton: MenuItem? = null
 
     private var menuForwardButton: MenuItem? = null
 
     private var menuDeleteButton: MenuItem? = null
 
+    private var menuShareButton: MenuItem? = null
+
+    private var menuPrintButton: MenuItem? = null
+
     override val titleStringId: Int
         get() = R.string.message_title
 
-    override val noSubjectString: String
-        get() = getString(R.string.message_no_subject)
-
     override val deleteMessageSuccessString: String
         get() = getString(R.string.message_delete_success)
 
+    override val messageNoSubjectString: String
+        get() = getString(R.string.message_no_subject)
+
+    override val printHTML: String
+        get() = requireContext().assets.open("message-print-page.html").bufferedReader().use { it.readText() }
+
+    override val messageNotExists: String
+        get() = getString(R.string.message_not_exists)
+
     companion object {
         const val MESSAGE_ID_KEY = "message_id"
 
-        fun newInstance(messageId: Long): MessagePreviewFragment {
+        fun newInstance(message: Message): MessagePreviewFragment {
             return MessagePreviewFragment().apply {
-                arguments = Bundle().apply { putLong(MESSAGE_ID_KEY, messageId) }
+                arguments = Bundle().apply { putSerializable(MESSAGE_ID_KEY, message) }
             }
         }
     }
@@ -55,14 +83,20 @@ class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.Titl
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_message_preview, container, false)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentMessagePreviewBinding.bind(view)
+        messageContainer = binding.messagePreviewContainer
+        presenter.onAttachView(this, (savedInstanceState ?: arguments)?.getSerializable(MESSAGE_ID_KEY) as? Message)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = messagePreviewContainer
-        presenter.onAttachView(this, (savedInstanceState ?: arguments)?.getLong(MESSAGE_ID_KEY) ?: 0L)
+    override fun initView() {
+        binding.messagePreviewErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
+        with(binding.messagePreviewRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = previewAdapter
+        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -70,6 +104,8 @@ class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.Titl
         menuReplyButton = menu.findItem(R.id.messagePreviewMenuReply)
         menuForwardButton = menu.findItem(R.id.messagePreviewMenuForward)
         menuDeleteButton = menu.findItem(R.id.messagePreviewMenuDelete)
+        menuShareButton = menu.findItem(R.id.messagePreviewMenuShare)
+        menuPrintButton = menu.findItem(R.id.messagePreviewMenuPrint)
         presenter.onCreateOptionsMenu()
     }
 
@@ -78,44 +114,33 @@ class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.Titl
             R.id.messagePreviewMenuReply -> presenter.onReply()
             R.id.messagePreviewMenuForward -> presenter.onForward()
             R.id.messagePreviewMenuDelete -> presenter.onMessageDelete()
+            R.id.messagePreviewMenuShare -> presenter.onShare()
+            R.id.messagePreviewMenuPrint -> presenter.onPrint()
             else -> false
         }
     }
 
-    override fun setSubject(subject: String) {
-        messagePreviewSubject.text = subject
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun setRecipient(recipient: String) {
-        messagePreviewAuthor.text = "${getString(R.string.message_to)} $recipient"
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun setSender(sender: String) {
-        messagePreviewAuthor.text = "${getString(R.string.message_from)} $sender"
-    }
-
-    override fun setDate(date: String) {
-        messagePreviewDate.text = getString(R.string.message_date, date)
-    }
-
-    override fun setContent(content: String) {
-        messagePreviewContent.text = content
+    override fun setMessageWithAttachment(item: MessageWithAttachment) {
+        with(previewAdapter) {
+            messageWithAttachment = item
+            notifyDataSetChanged()
+        }
     }
 
     override fun showProgress(show: Boolean) {
-        messagePreviewProgress.visibility = if (show) VISIBLE else GONE
+        binding.messagePreviewProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showContent(show: Boolean) {
-        messagePreviewContentContainer.visibility = if (show) VISIBLE else GONE
+        binding.messagePreviewRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showOptions(show: Boolean) {
         menuReplyButton?.isVisible = show
         menuForwardButton?.isVisible = show
         menuDeleteButton?.isVisible = show
+        menuShareButton?.isVisible = show
+        menuPrintButton?.isVisible = show && appInfo.systemVersion >= Build.VERSION_CODES.LOLLIPOP
     }
 
     override fun setDeletedOptionsLabels() {
@@ -126,8 +151,16 @@ class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.Titl
         menuDeleteButton?.setTitle(R.string.message_move_to_bin)
     }
 
-    override fun showMessageError() {
-        messagePreviewError.visibility = VISIBLE
+    override fun showErrorView(show: Boolean) {
+        binding.messagePreviewError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.messagePreviewErrorMessage.text = message
+    }
+
+    override fun setErrorRetryCallback(callback: () -> Unit) {
+        binding.messagePreviewErrorRetry.setOnClickListener { callback() }
     }
 
     override fun openMessageReply(message: Message?) {
@@ -138,17 +171,45 @@ class MessagePreviewFragment : BaseFragment(), MessagePreviewView, MainView.Titl
         context?.let { it.startActivity(SendMessageActivity.getStartIntent(it, message)) }
     }
 
+    override fun shareText(text: String, subject: String) {
+        context?.shareText(text, subject)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
+    override fun printDocument(html: String, jobName: String) {
+        val webView = WebView(requireContext())
+        webView.webViewClient = object : WebViewClient() {
+
+            override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest) = false
+
+            override fun onPageFinished(view: WebView, url: String) {
+                createWebPrintJob(view, jobName)
+            }
+        }
+
+        webView.loadDataWithBaseURL("file:///android_asset/", html, "text/HTML", "UTF-8", null)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
+    private fun createWebPrintJob(webView: WebView, jobName: String) {
+        activity?.getSystemService<PrintManager>()?.let { printManager ->
+            val printAdapter = webView.createPrintDocumentAdapter(jobName)
+
+            printManager.print(
+                jobName,
+                printAdapter,
+                PrintAttributes.Builder().build()
+            )
+        }
+    }
+
     override fun popView() {
         (activity as MainActivity).popView()
     }
 
-    override fun notifyParentMessageDeleted(message: Message) {
-        fragmentManager?.fragments?.forEach { if (it is MessageFragment) it.onDeleteMessage(message) }
-    }
-
     override fun onSaveInstanceState(outState: Bundle) {
+        outState.putSerializable(MESSAGE_ID_KEY, presenter.message)
         super.onSaveInstanceState(outState)
-        outState.putLong(MESSAGE_ID_KEY, presenter.messageId)
     }
 
     override fun onDestroyView() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
index a230c0b3a..702e54676 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
@@ -1,64 +1,99 @@
 package io.github.wulkanowy.ui.modules.message.preview
 
+import android.annotation.SuppressLint
+import android.os.Build
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.repositories.message.MessageRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.db.entities.MessageAttachment
+import io.github.wulkanowy.data.enums.MessageFolder
+import io.github.wulkanowy.data.repositories.MessageRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class MessagePreviewPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper,
+    private var appInfo: AppInfo
+) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository) {
 
-    var messageId = 0L
+    var message: Message? = null
 
-    private var message: Message? = null
+    var attachments: List<MessageAttachment>? = null
 
-    fun onAttachView(view: MessagePreviewView, id: Long) {
+    private lateinit var lastError: Throwable
+
+    private var retryCallback: () -> Unit = {}
+
+    fun onAttachView(view: MessagePreviewView, message: Message?) {
         super.onAttachView(view)
-        loadData(id)
+        view.initView()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        this.message = message
+        loadData(requireNotNull(message))
     }
 
-    private fun loadData(id: Long) {
-        Timber.i("Loading message $id preview started")
-        messageId = id
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .flatMap { messageRepository.getMessage(it, messageId, true) }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally { view?.showProgress(false) }
-                .subscribe({ message ->
-                    Timber.i("Loading message $id preview result: Success ")
-                    this@MessagePreviewPresenter.message = message
-                    view?.run {
-                        message.let {
-                            setSubject(if (it.subject.isNotBlank()) it.subject else noSubjectString)
-                            setDate(it.date.toFormattedString("yyyy-MM-dd HH:mm:ss"))
-                            setContent(it.content.orEmpty())
-                            initOptions()
+    private fun onMessageLoadRetry(message: Message) {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(message)
+    }
 
-                            if (it.recipient.isNotBlank()) setRecipient(it.recipient)
-                            else setSender(it.sender)
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData(message: Message) {
+        flowWithResourceIn {
+            val student = studentRepository.getStudentById(message.studentId)
+            messageRepository.getMessage(student, message, true)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading message ${message.messageId} preview started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading message ${message.messageId} preview result: Success ")
+                    if (it.data != null) {
+                        this@MessagePreviewPresenter.message = it.data.message
+                        this@MessagePreviewPresenter.attachments = it.data.attachments
+                        view?.apply {
+                            setMessageWithAttachment(it.data)
+                            showContent(true)
+                            initOptions()
+                        }
+                        analytics.logEvent(
+                            "load_item",
+                            "type" to "message_preview",
+                            "length" to it.data.message.content.length
+                        )
+                    } else {
+                        view?.run {
+                            showMessage(messageNotExists)
+                            popView()
                         }
                     }
-                    analytics.logEvent("load_message_preview", "length" to message.content?.length)
-                }) {
-                    Timber.i("Loading message $id preview result: An exception occurred ")
-                    view?.showMessageError()
-                    errorHandler.dispatch(it)
-                })
-        }
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading message ${message.messageId} preview result: An exception occurred ")
+                    retryCallback = { onMessageLoadRetry(message) }
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.showProgress(false)
+        }.launch()
     }
 
     fun onReply(): Boolean {
@@ -75,34 +110,101 @@ class MessagePreviewPresenter @Inject constructor(
         } else false
     }
 
-    private fun deleteMessage() {
-        message?.let { message ->
-            disposable.add(messageRepository.deleteMessage(message)
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doOnSubscribe {
-                    view?.run {
-                        showContent(false)
-                        showProgress(true)
-                        showOptions(false)
+    fun onShare(): Boolean {
+        message?.let {
+            var text = "Temat: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}\n" + when (it.sender.isNotEmpty()) {
+                true -> "Od: ${it.sender}\n"
+                false -> "Do: ${it.recipient}\n"
+            } + "Data: ${it.date.toFormattedString("yyyy-MM-dd HH:mm:ss")}\n\n${it.content}"
+
+            attachments?.let { attachments ->
+                if (attachments.isNotEmpty()) {
+                    text += "\n\nZałączniki:"
+
+                    attachments.forEach { attachment ->
+                        text += "\n${attachment.filename}: ${attachment.url}"
                     }
                 }
-                .doFinally {
-                    view?.showProgress(false)
-                }
-                .subscribe({
+            }
+
+            view?.shareText(text, "FW: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }}")
+            return true
+        }
+        return false
+    }
+
+    @SuppressLint("NewApi")
+    fun onPrint(): Boolean {
+        if (appInfo.systemVersion < Build.VERSION_CODES.LOLLIPOP) return false
+        message?.let {
+            val dateString = it.date.toFormattedString("yyyy-MM-dd HH:mm:ss")
+            val infoContent = "<div><h4>Data wysłania</h4>$dateString</div>" + when {
+                it.sender.isNotEmpty() -> "<div><h4>Od</h4>${it.sender}</div>"
+                else -> "<div><h4>Do</h4>${it.recipient}</div>"
+            }
+
+            val messageContent = "<p>${it.content}</p>"
+                .replace(Regex("[\\n\\r]{2,}"), "</p><p>")
+                .replace(Regex("[\\n\\r]"), "<br>")
+
+            val jobName = "Wiadomość " + when {
+                it.sender.isNotEmpty() -> "od ${it.sender}"
+                else -> "do ${it.recipient}"
+            } + " $dateString: ${it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() }} | Wulkanowy"
+
+            view?.apply {
+                val html = printHTML
+                    .replace("%SUBJECT%", it.subject.ifBlank { view?.messageNoSubjectString.orEmpty() })
+                    .replace("%CONTENT%", messageContent)
+                    .replace("%INFO%", infoContent)
+                printDocument(html, jobName)
+            }
+            return true
+        }
+        return false
+    }
+
+    private fun deleteMessage() {
+        message ?: return
+
+        view?.run {
+            showContent(false)
+            showProgress(true)
+            showOptions(false)
+            showErrorView(false)
+        }
+
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            messageRepository.deleteMessage(student, message!!)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Message ${message?.id} delete started")
+                Status.SUCCESS -> {
+                    Timber.d("Message ${message?.id} delete success")
                     view?.run {
-                        notifyParentMessageDeleted(message)
                         showMessage(deleteMessageSuccessString)
                         popView()
                     }
-                }, { error ->
-                    view?.showMessageError()
-                    errorHandler.dispatch(error)
-                }, {
-                    view?.showMessageError()
-                })
-            )
+                }
+                Status.ERROR -> {
+                    Timber.d("Message ${message?.id} delete failed")
+                    retryCallback = { onMessageDelete() }
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.showProgress(false)
+        }.launch("delete")
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            lastError = error
+            setErrorDetails(message)
+            showContent(false)
+            showErrorView(true)
+            setErrorRetryCallback { retryCallback() }
         }
     }
 
@@ -115,7 +217,7 @@ class MessagePreviewPresenter @Inject constructor(
         view?.apply {
             showOptions(message != null)
             message?.let {
-                when (it.removed) {
+                when (it.folderId == MessageFolder.TRASHED.id) {
                     true -> setDeletedOptionsLabels()
                     false -> setNotDeletedOptionsLabels()
                 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt
index 373dee11e..583ba6878 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewView.kt
@@ -1,41 +1,49 @@
 package io.github.wulkanowy.ui.modules.message.preview
 
+import android.os.Build
+import androidx.annotation.RequiresApi
 import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageWithAttachment
 import io.github.wulkanowy.ui.base.BaseView
 
 interface MessagePreviewView : BaseView {
 
-    val noSubjectString: String
-
     val deleteMessageSuccessString: String
 
-    fun setSubject(subject: String)
+    val messageNoSubjectString: String
 
-    fun setRecipient(recipient: String)
+    val printHTML: String
 
-    fun setSender(sender: String)
+    val messageNotExists: String
 
-    fun setDate(date: String)
+    fun initView()
 
-    fun setContent(content: String)
+    fun setMessageWithAttachment(item: MessageWithAttachment)
 
     fun showProgress(show: Boolean)
 
     fun showContent(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun setErrorRetryCallback(callback: () -> Unit)
+
     fun showOptions(show: Boolean)
 
     fun setDeletedOptionsLabels()
 
     fun setNotDeletedOptionsLabels()
 
-    fun showMessageError()
-
     fun openMessageReply(message: Message?)
 
     fun openMessageForward(message: Message?)
 
-    fun popView()
+    fun shareText(text: String, subject: String)
 
-    fun notifyParentMessageDeleted(message: Message)
+    @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
+    fun printDocument(html: String, jobName: String)
+
+    fun popView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt
index 7b15da713..59944d41d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessageActivity.kt
@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.message.send
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.graphics.Rect
@@ -11,17 +12,19 @@ import android.view.View.GONE
 import android.view.View.VISIBLE
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.databinding.ActivitySendMessageBinding
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.hideSoftInput
 import io.github.wulkanowy.utils.showSoftInput
-import kotlinx.android.synthetic.main.activity_send_message.*
 import javax.inject.Inject
 
-class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageView {
+@AndroidEntryPoint
+class SendMessageActivity : BaseActivity<SendMessagePresenter, ActivitySendMessageBinding>(), SendMessageView {
 
     @Inject
     override lateinit var presenter: SendMessagePresenter
@@ -41,17 +44,17 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
     }
 
     override val isDropdownListVisible: Boolean
-        get() = sendMessageTo.isDropdownListVisible
+        get() = binding.sendMessageTo.isDropdownListVisible
 
     @Suppress("UNCHECKED_CAST")
     override val formRecipientsData: List<RecipientChipItem>
-        get() = sendMessageTo.addedChipItems as List<RecipientChipItem>
+        get() = binding.sendMessageTo.addedChipItems as List<RecipientChipItem>
 
     override val formSubjectValue: String
-        get() = sendMessageSubject.text.toString()
+        get() = binding.sendMessageSubject.text.toString()
 
     override val formContentValue: String
-        get() = sendMessageMessageContent.text.toString()
+        get() = binding.sendMessageMessageContent.text.toString()
 
     override val messageRequiredRecipients: String
         get() = getString(R.string.message_required_recipients)
@@ -62,20 +65,23 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
     override val messageSuccess: String
         get() = getString(R.string.message_send_successful)
 
-    override fun onCreate(savedInstanceState: Bundle?) {
+    public override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_send_message)
-        setSupportActionBar(sendMessageToolbar)
+        setContentView(ActivitySendMessageBinding.inflate(layoutInflater).apply { binding = this }.root)
+        setSupportActionBar(binding.sendMessageToolbar)
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
-        messageContainer = sendMessageContainer
+        messageContainer = binding.sendMessageContainer
 
         presenter.onAttachView(this, intent.getSerializableExtra(EXTRA_MESSAGE) as? Message, intent.getSerializableExtra(EXTRA_REPLY) as? Boolean)
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     override fun initView() {
         setUpExtendedHitArea()
-        sendMessageScroll.setOnTouchListener { _, _ -> presenter.onTouchScroll() }
-        sendMessageTo.onTextChangeListener = presenter::onRecipientsTextChange
+        with(binding) {
+            sendMessageScroll.setOnTouchListener { _, _ -> presenter.onTouchScroll() }
+            sendMessageTo.onTextChangeListener = presenter::onRecipientsTextChange
+        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
@@ -83,8 +89,8 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
         return true
     }
 
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        return if (item?.itemId == R.id.sendMessageMenuSend) presenter.onSend()
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.sendMessageMenuSend) presenter.onSend()
         else false
     }
 
@@ -93,27 +99,27 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
     }
 
     override fun setReportingUnit(unit: ReportingUnit) {
-        sendMessageFrom.text = unit.senderName
+        binding.sendMessageFrom.text = unit.senderName
     }
 
     override fun setRecipients(recipients: List<RecipientChipItem>) {
-        sendMessageTo.filterableChipItems = recipients
+        binding.sendMessageTo.filterableChipItems = recipients
     }
 
     override fun setSelectedRecipients(recipients: List<RecipientChipItem>) {
-        sendMessageTo.addChips(recipients)
+        binding.sendMessageTo.addChips(recipients)
     }
 
     override fun showProgress(show: Boolean) {
-        sendMessageProgress.visibility = if (show) VISIBLE else GONE
+        binding.sendMessageProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showContent(show: Boolean) {
-        sendMessageContent.visibility = if (show) VISIBLE else GONE
+        binding.sendMessageContent.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showEmpty(show: Boolean) {
-        sendMessageEmpty.visibility = if (show) VISIBLE else GONE
+        binding.sendMessageEmpty.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showActionBar(show: Boolean) {
@@ -121,11 +127,11 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
     }
 
     override fun setSubject(subject: String) {
-        sendMessageSubject.setText(subject)
+        binding.sendMessageSubject.setText(subject)
     }
 
     override fun setContent(content: String) {
-        sendMessageMessageContent.setText(content)
+        binding.sendMessageMessageContent.setText(content)
     }
 
     override fun showMessage(text: String) {
@@ -137,40 +143,42 @@ class SendMessageActivity : BaseActivity<SendMessagePresenter>(), SendMessageVie
     }
 
     override fun hideDropdownList() {
-        sendMessageTo.hideDropdownList()
+        binding.sendMessageTo.hideDropdownList()
     }
 
     override fun scrollToRecipients() {
-        sendMessageScroll.post {
-            sendMessageScroll.scrollTo(0, sendMessageTo.bottom - dpToPx(53f).toInt())
+        with(binding.sendMessageScroll) {
+            post {
+                scrollTo(0, binding.sendMessageTo.bottom - dpToPx(53f).toInt())
+            }
         }
     }
 
     override fun popView() {
-        onBackPressed()
+        finish()
     }
 
     private fun setUpExtendedHitArea() {
         fun extendHitArea() {
             val containerHitRect = Rect().apply {
-                sendMessageContent.getHitRect(this)
+                binding.sendMessageContent.getHitRect(this)
             }
 
             val contentHitRect = Rect().apply {
-                sendMessageMessageContent.getHitRect(this)
+                binding.sendMessageMessageContent.getHitRect(this)
             }
 
             contentHitRect.top = contentHitRect.bottom
             contentHitRect.bottom = containerHitRect.bottom
 
-            sendMessageContent.touchDelegate = TouchDelegate(contentHitRect, sendMessageMessageContent)
+            binding.sendMessageContent.touchDelegate = TouchDelegate(contentHitRect, binding.sendMessageMessageContent)
         }
 
-        sendMessageMessageContent.post {
-            sendMessageMessageContent.addOnLayoutChangeListener { _, _, _, _, _, _, _, _, _ ->
+        with(binding.sendMessageMessageContent) {
+            post {
+                addOnLayoutChangeListener { _, _, _, _, _, _, _, _, _ -> extendHitArea() }
                 extendHitArea()
             }
-            extendHitArea()
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
index 3b89b5cae..77bd0f5e6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
@@ -1,25 +1,25 @@
 package io.github.wulkanowy.ui.modules.message.send
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.Recipient
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.github.wulkanowy.data.repositories.message.MessageRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.recipient.RecipientRepository
-import io.github.wulkanowy.data.repositories.reportingunit.ReportingUnitRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.MessageRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.RecipientRepository
+import io.github.wulkanowy.data.repositories.ReportingUnitRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.toFormattedString
-import io.reactivex.Completable
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class SendMessagePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
@@ -27,15 +27,15 @@ class SendMessagePresenter @Inject constructor(
     private val reportingUnitRepository: ReportingUnitRepository,
     private val recipientRepository: RecipientRepository,
     private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<SendMessageView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<SendMessageView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: SendMessageView, message: Message?, reply: Boolean?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Send message view was initialized")
         loadData(message, reply)
-        view.apply {
+        with(view) {
             message?.let {
                 setSubject(when (reply) {
                     true -> "RE: "
@@ -93,89 +93,89 @@ class SendMessagePresenter @Inject constructor(
     }
 
     private fun loadData(message: Message?, reply: Boolean?) {
-        var reportingUnit: ReportingUnit? = null
-        var recipientChips: List<RecipientChipItem> = emptyList()
-        var selectedRecipientChips: List<RecipientChipItem> = emptyList()
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            val unit = reportingUnitRepository.getReportingUnit(student, semester.unitId)
 
-        Timber.i("Loading recipients started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it).map { semester -> it to semester } }
-            .flatMapCompletable { (student, semester) ->
-                reportingUnitRepository.getReportingUnit(student, semester.unitId)
-                    .doOnSuccess { reportingUnit = it }
-                    .flatMap { recipientRepository.getRecipients(student, 2, it).toMaybe() }
-                    .doOnSuccess {
-                        Timber.i("Loading recipients result: Success, fetched %d recipients", it.size)
-                        recipientChips = createChips(it)
-                    }
-                    .flatMapCompletable {
-                        if (message == null || reply != true) Completable.complete()
-                        else recipientRepository.getMessageRecipients(student, message)
-                            .doOnSuccess {
-                                Timber.i("Loaded message recipients to reply result: Success, fetched %d recipients", it.size)
-                                selectedRecipientChips = createChips(it)
-                            }
-                            .ignoreElement()
-                    }
-            }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doOnSubscribe {
-                view?.run {
+            Timber.i("Loading recipients started")
+            val recipients = when {
+                unit != null -> recipientRepository.getRecipients(student, unit, 2)
+                else -> listOf()
+            }.let { createChips(it) }
+            Timber.i("Loading recipients result: Success, fetched %d recipients", recipients.size)
+
+            Timber.i("Loading message recipients started")
+            val messageRecipients = when {
+                message != null && reply == true -> recipientRepository.getMessageRecipients(student, message)
+                else -> emptyList()
+            }.let { createChips(it) }
+            Timber.i("Loaded message recipients to reply result: Success, fetched %d recipients", messageRecipients.size)
+
+            Triple(unit, recipients, messageRecipients)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Loading recipients started")
                     showProgress(true)
                     showContent(false)
                 }
-            }
-            .doFinally { view?.run { showProgress(false) } }
-            .subscribe({
-                view?.run {
-                    if (reportingUnit !== null) {
-                        reportingUnit?.let { setReportingUnit(it) }
-                        setRecipients(recipientChips)
-                        if (selectedRecipientChips.isNotEmpty()) setSelectedRecipients(selectedRecipientChips)
-                        showContent(true)
-                    } else {
-                        Timber.e("Loading recipients result: Can't find the reporting unit")
-                        view?.showEmpty(true)
+                Status.SUCCESS -> it.data!!.let { (reportingUnit, recipientChips, selectedRecipientChips) ->
+                    view?.run {
+                        if (reportingUnit != null) {
+                            setReportingUnit(reportingUnit)
+                            setRecipients(recipientChips)
+                            if (selectedRecipientChips.isNotEmpty()) setSelectedRecipients(selectedRecipientChips)
+                            showContent(true)
+                        } else {
+                            Timber.i("Loading recipients result: Can't find the reporting unit")
+                            view?.showEmpty(true)
+                        }
                     }
                 }
-            }, {
-                Timber.e("Loading recipients result: An exception occurred")
-                view?.showContent(true)
-                errorHandler.dispatch(it)
-            }))
+                Status.ERROR -> {
+                    Timber.i("Loading recipients result: An exception occurred")
+                    view?.showContent(true)
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run { showProgress(false) }
+        }.launch()
     }
 
     private fun sendMessage(subject: String, content: String, recipients: List<Recipient>) {
-        Timber.i("Sending message started")
-        disposable.add(messageRepository.sendMessage(subject, content, recipients)
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doOnSubscribe {
-                view?.run {
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            messageRepository.sendMessage(student, subject, content, recipients)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> view?.run {
+                    Timber.i("Sending message started")
                     showSoftInput(false)
                     showContent(false)
                     showProgress(true)
                     showActionBar(false)
                 }
+                Status.SUCCESS -> {
+                    Timber.i("Sending message result: Success")
+                    view?.run {
+                        showMessage(messageSuccess)
+                        popView()
+                    }
+                    analytics.logEvent("send_message", "recipients" to recipients.size)
+                }
+                Status.ERROR -> {
+                    Timber.i("Sending message result: An exception occurred")
+                    view?.run {
+                        showContent(true)
+                        showProgress(false)
+                        showActionBar(true)
+                    }
+                    errorHandler.dispatch(it.error!!)
+                }
             }
-            .subscribe({
-                Timber.i("Sending message result: Success")
-                analytics.logEvent("send_message", "recipients" to recipients.size)
-                view?.run {
-                    showMessage(messageSuccess)
-                    popView()
-                }
-            }, {
-                Timber.i("Sending message result: An exception occurred")
-                view?.run {
-                    showContent(true)
-                    showProgress(false)
-                    showActionBar(true)
-                }
-                errorHandler.dispatch(it)
-            })
-        )
+        }.launch("send")
     }
 
     private fun createChips(recipients: List<Recipient>): List<RecipientChipItem> {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabAdapter.kt
new file mode 100644
index 000000000..f0f65e087
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabAdapter.kt
@@ -0,0 +1,81 @@
+package io.github.wulkanowy.ui.modules.message.tab
+
+import android.graphics.Typeface
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.NO_POSITION
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.enums.MessageFolder
+import io.github.wulkanowy.databinding.ItemMessageBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class MessageTabAdapter @Inject constructor() :
+    RecyclerView.Adapter<MessageTabAdapter.ItemViewHolder>() {
+
+    var onClickListener: (Message, position: Int) -> Unit = { _, _ -> }
+
+    var onChangesDetectedListener = {}
+
+    private var items = mutableListOf<Message>()
+
+    fun setDataItems(data: List<Message>) {
+        if (items.size != data.size) onChangesDetectedListener()
+        val diffResult = DiffUtil.calculateDiff(MessageTabDiffUtil(items, data))
+        items = data.toMutableList()
+        diffResult.dispatchUpdatesTo(this)
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemMessageBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            val style = if (item.unread) Typeface.BOLD else Typeface.NORMAL
+
+            messageItemAuthor.run {
+                text = if (item.folderId == MessageFolder.SENT.id) item.recipient else item.sender
+                setTypeface(null, style)
+            }
+            messageItemSubject.run {
+                text = if (item.subject.isNotBlank()) item.subject else context.getString(R.string.message_no_subject)
+                setTypeface(null, style)
+            }
+            messageItemDate.run {
+                text = item.date.toFormattedString()
+                setTypeface(null, style)
+            }
+            messageItemAttachmentIcon.visibility = if (item.hasAttachments) View.VISIBLE else View.GONE
+
+            root.setOnClickListener {
+                holder.adapterPosition.let { if (it != NO_POSITION) onClickListener(item, it) }
+            }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemMessageBinding) : RecyclerView.ViewHolder(binding.root)
+
+    private class MessageTabDiffUtil(private val old: List<Message>, private val new: List<Message>) :
+        DiffUtil.Callback() {
+        override fun getOldListSize(): Int = old.size
+
+        override fun getNewListSize(): Int = new.size
+
+        override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return old[oldItemPosition].id == new[newItemPosition].id
+        }
+
+        override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int): Boolean {
+            return old[oldItemPosition] == new[newItemPosition]
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabFragment.kt
index 326cd6a75..f08059f2c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabFragment.kt
@@ -1,34 +1,37 @@
 package io.github.wulkanowy.ui.modules.message.tab
 
 import android.os.Bundle
-import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.appcompat.widget.SearchView
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.repositories.message.MessageFolder
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.enums.MessageFolder
+import io.github.wulkanowy.databinding.FragmentMessageTabBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.message.MessageFragment
-import io.github.wulkanowy.ui.modules.message.MessageItem
 import io.github.wulkanowy.ui.modules.message.preview.MessagePreviewFragment
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_message_tab.*
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
+import kotlinx.coroutines.FlowPreview
 import javax.inject.Inject
 
-class MessageTabFragment : BaseFragment(), MessageTabView {
+@AndroidEntryPoint
+class MessageTabFragment : BaseFragment<FragmentMessageTabBinding>(R.layout.fragment_message_tab),
+    MessageTabView {
 
     @Inject
     lateinit var presenter: MessageTabPresenter
 
     @Inject
-    lateinit var tabAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var tabAdapter: MessageTabAdapter
 
     companion object {
         const val MESSAGE_TAB_FOLDER_ID = "message_tab_folder_id"
@@ -42,72 +45,98 @@ class MessageTabFragment : BaseFragment(), MessageTabView {
         }
     }
 
-    override val noSubjectString: String
-        get() = getString(R.string.message_no_subject)
-
     override val isViewEmpty
-        get() = tabAdapter.isEmpty
+        get() = tabAdapter.itemCount == 0
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_message_tab, container, false)
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
     }
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = messageTabRecycler
+    @FlowPreview
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentMessageTabBinding.bind(view)
+        messageContainer = binding.messageTabRecycler
         presenter.onAttachView(this, MessageFolder.valueOf(
             (savedInstanceState ?: arguments)?.getString(MESSAGE_TAB_FOLDER_ID).orEmpty()
         ))
     }
 
     override fun initView() {
-        tabAdapter.setOnItemClickListener { presenter.onMessageItemSelected(it) }
-
-        messageTabRecycler.run {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
-            adapter = tabAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false)
-            )
+        with(tabAdapter) {
+            onClickListener = presenter::onMessageItemSelected
+            onChangesDetectedListener = ::resetListPosition
+        }
+
+        with(binding.messageTabRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = tabAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+        with(binding) {
+            messageTabSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            messageTabSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            messageTabSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            messageTabErrorRetry.setOnClickListener { presenter.onRetry() }
+            messageTabErrorDetails.setOnClickListener { presenter.onDetailsClick() }
         }
-        messageTabSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
     }
 
-    override fun updateData(data: List<MessageItem>) {
-        tabAdapter.updateDataSet(data)
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        super.onCreateOptionsMenu(menu, inflater)
+        inflater.inflate(R.menu.action_menu_message_tab, menu)
+
+        val searchView = menu.findItem(R.id.action_search).actionView as SearchView
+        searchView.queryHint = getString(R.string.all_search_hint)
+        searchView.maxWidth = Int.MAX_VALUE
+        searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
+            override fun onQueryTextSubmit(query: String) = false
+            override fun onQueryTextChange(query: String): Boolean {
+                presenter.onSearchQueryTextChange(query)
+                return true
+            }
+        })
     }
 
-    override fun updateItem(item: AbstractFlexibleItem<*>) {
-        tabAdapter.updateItem(item)
-    }
-
-    override fun clearView() {
-        tabAdapter.clear()
+    override fun updateData(data: List<Message>) {
+        tabAdapter.setDataItems(data)
     }
 
     override fun showProgress(show: Boolean) {
-        messageTabProgress.visibility = if (show) VISIBLE else GONE
+        binding.messageTabProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        messageTabSwipe.isEnabled = enable
+        binding.messageTabSwipe.isEnabled = enable
+    }
+
+    override fun resetListPosition() {
+        binding.messageTabRecycler.scrollToPosition(0)
     }
 
     override fun showContent(show: Boolean) {
-        messageTabRecycler.visibility = if (show) VISIBLE else INVISIBLE
+        binding.messageTabRecycler.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showEmpty(show: Boolean) {
-        messageTabEmpty.visibility = if (show) VISIBLE else INVISIBLE
+        binding.messageTabEmpty.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.messageTabError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.messageTabErrorMessage.text = message
     }
 
     override fun showRefresh(show: Boolean) {
-        messageTabSwipe.isRefreshing = show
+        binding.messageTabSwipe.isRefreshing = show
     }
 
-    override fun openMessage(messageId: Long) {
-        (activity as? MainActivity)?.pushView(MessagePreviewFragment.newInstance(messageId))
+    override fun openMessage(message: Message) {
+        (activity as? MainActivity)?.pushView(MessagePreviewFragment.newInstance(message))
     }
 
     override fun notifyParentDataLoaded() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
index af5762939..c560a77de 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
@@ -1,31 +1,56 @@
 package io.github.wulkanowy.ui.modules.message.tab
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Message
-import io.github.wulkanowy.data.repositories.message.MessageFolder
-import io.github.wulkanowy.data.repositories.message.MessageRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.enums.MessageFolder
+import io.github.wulkanowy.data.repositories.MessageRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.ui.modules.message.MessageItem
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.consumeAsFlow
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.launch
+import me.xdrop.fuzzywuzzy.FuzzySearch
 import timber.log.Timber
+import java.util.Locale
 import javax.inject.Inject
+import kotlin.math.pow
 
 class MessageTabPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MessageTabView>(errorHandler, studentRepository, schedulers) {
+    private val semesterRepository: SemesterRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<MessageTabView>(errorHandler, studentRepository) {
 
     lateinit var folder: MessageFolder
 
+    private lateinit var lastError: Throwable
+
+    private var lastSearchQuery = ""
+
+    private var messages = emptyList<Message>()
+
+    private val searchChannel = Channel<String>()
+
+    @FlowPreview
     fun onAttachView(view: MessageTabView, folder: MessageFolder) {
         super.onAttachView(view)
         view.initView()
+        initializeSearchStream()
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         this.folder = folder
     }
 
@@ -34,70 +59,170 @@ class MessageTabPresenter @Inject constructor(
         onParentViewLoadData(true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onDeleteMessage() {
-        loadData(false)
+        loadData(true)
     }
 
     fun onParentViewLoadData(forceRefresh: Boolean) {
         loadData(forceRefresh)
     }
 
-    fun onMessageItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item is MessageItem) {
-            Timber.i("Select message ${item.message.id} item")
-            view?.run {
-                openMessage(item.message.id)
-                if (item.message.unread) {
-                    item.message.unread = false
-                    updateItem(item)
-                    updateMessage(item.message)
-                }
-            }
-        }
+    fun onMessageItemSelected(message: Message, position: Int) {
+        Timber.i("Select message ${message.id} item (position: $position)")
+        view?.openMessage(message)
     }
 
     private fun loadData(forceRefresh: Boolean) {
         Timber.i("Loading $folder message data started")
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .flatMap { messageRepository.getMessages(it, folder, forceRefresh) }
-                .map { items -> items.map { MessageItem(it, view?.noSubjectString.orEmpty()) } }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        showRefresh(false)
-                        showProgress(false)
-                        enableSwipe(true)
-                        notifyParentDataLoaded()
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            messageRepository.getMessages(student, semester, folder, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            messages = it.data
+                            updateData(getFilteredData(lastSearchQuery))
+                            notifyParentDataLoaded()
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading $folder message result: Success")
-                    view?.run {
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
-                        updateData(it)
-                    }
-                    analytics.logEvent("load_messages", "items" to it.size, "folder" to folder.name)
-                }) {
+                    messages = it.data!!
+                    updateData(getFilteredData(lastSearchQuery))
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "messages",
+                        "items" to it.data.size,
+                        "folder" to folder.name
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Loading $folder message result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    errorHandler.dispatch(it)
-                })
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded()
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun updateMessage(message: Message) {
-        Timber.i("Attempt to update message ${message.id}")
-        disposable.add(messageRepository.updateMessage(message)
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({ Timber.d("Update message ${message.id} result: Success") })
-            { error ->
-                Timber.i("Update message ${message.id} result: An exception occurred")
-                errorHandler.dispatch(error)
-            })
+    fun onSearchQueryTextChange(query: String) {
+        launch {
+            searchChannel.send(query)
+        }
+    }
+
+    @FlowPreview
+    private fun initializeSearchStream() {
+        launch {
+            searchChannel.consumeAsFlow()
+                .debounce(250)
+                .map { query ->
+                    lastSearchQuery = query
+                    getFilteredData(query)
+                }
+                .catch { Timber.e(it) }
+                .collect {
+                    Timber.d("Applying filter. Full list: ${messages.size}, filtered: ${it.size}")
+                    updateData(it)
+                    view?.resetListPosition()
+                }
+        }
+    }
+
+    private fun getFilteredData(query: String): List<Message> {
+        return if (query.trim().isEmpty()) {
+            messages.sortedByDescending { it.date }
+        } else {
+            messages
+                .map { it to calculateMatchRatio(it, query) }
+                .sortedByDescending { it.second }
+                .filter { it.second > 5000 }
+                .map { it.first }
+        }
+    }
+
+    private fun updateData(data: List<Message>) {
+        view?.run {
+            showEmpty(data.isEmpty())
+            showContent(data.isNotEmpty())
+            showErrorView(false)
+            updateData(data)
+        }
+    }
+
+    private fun calculateMatchRatio(message: Message, query: String): Int {
+        val subjectRatio = FuzzySearch.tokenSortPartialRatio(
+            query.toLowerCase(Locale.getDefault()),
+            message.subject
+        )
+
+        val senderOrRecipientRatio = FuzzySearch.tokenSortPartialRatio(
+            query.toLowerCase(Locale.getDefault()),
+            if (message.sender.isNotEmpty()) message.sender.toLowerCase(Locale.getDefault())
+            else message.recipient.toLowerCase(Locale.getDefault())
+        )
+
+        val dateRatio = listOf(
+            FuzzySearch.ratio(
+                query.toLowerCase(Locale.getDefault()),
+                message.date.toFormattedString("dd.MM").toLowerCase(Locale.getDefault())
+            ),
+            FuzzySearch.ratio(
+                query.toLowerCase(Locale.getDefault()),
+                message.date.toFormattedString("dd.MM.yyyy").toLowerCase(Locale.getDefault())
+            ),
+            FuzzySearch.ratio(
+                query.toLowerCase(Locale.getDefault()),
+                message.date.toFormattedString("d MMMM").toLowerCase(Locale.getDefault())
+            ),
+            FuzzySearch.ratio(
+                query.toLowerCase(Locale.getDefault()),
+                message.date.toFormattedString("d MMMM yyyy").toLowerCase(Locale.getDefault())
+            )
+        ).maxOrNull() ?: 0
+
+
+        return (subjectRatio.toDouble().pow(2)
+            + senderOrRecipientRatio.toDouble().pow(2)
+            + dateRatio.toDouble().pow(2) * 2
+            ).toInt()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabView.kt
index 967863de4..fe9b60077 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabView.kt
@@ -1,22 +1,17 @@
 package io.github.wulkanowy.ui.modules.message.tab
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.ui.base.BaseView
-import io.github.wulkanowy.ui.modules.message.MessageItem
 
 interface MessageTabView : BaseView {
 
-    val noSubjectString: String
-
     val isViewEmpty: Boolean
 
     fun initView()
 
-    fun updateData(data: List<MessageItem>)
+    fun resetListPosition()
 
-    fun updateItem(item: AbstractFlexibleItem<*>)
-
-    fun clearView()
+    fun updateData(data: List<Message>)
 
     fun showProgress(show: Boolean)
 
@@ -26,9 +21,13 @@ interface MessageTabView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showRefresh(show: Boolean)
 
-    fun openMessage(messageId: Long)
+    fun openMessage(message: Message)
 
     fun notifyParentDataLoaded()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceAdapter.kt
index 27c72ce69..4bc3097d6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceAdapter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceAdapter.kt
@@ -1,10 +1,38 @@
 package io.github.wulkanowy.ui.modules.mobiledevice
 
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.IFlexible
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.data.db.entities.MobileDevice
+import io.github.wulkanowy.databinding.ItemMobileDeviceBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
 
-class MobileDeviceAdapter<T : IFlexible<*>> : FlexibleAdapter<T>(null, null, true) {
+class MobileDeviceAdapter @Inject constructor() :
+    RecyclerView.Adapter<MobileDeviceAdapter.ItemViewHolder>() {
+
+    var items = mutableListOf<MobileDevice>()
 
     var onDeviceUnregisterListener: (device: MobileDevice, position: Int) -> Unit = { _, _ -> }
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemMobileDeviceBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val device = items[position]
+
+        with(holder.binding) {
+            mobileDeviceItemDate.text = device.date.toFormattedString("dd.MM.yyyy HH:mm:ss")
+            mobileDeviceItemName.text = device.name
+            mobileDeviceItemUnregister.setOnClickListener {
+                onDeviceUnregisterListener(device, position)
+            }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemMobileDeviceBinding) :
+        RecyclerView.ViewHolder(binding.root)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceFragment.kt
index 1d9104a81..f8e367c57 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceFragment.kt
@@ -1,31 +1,34 @@
 package io.github.wulkanowy.ui.modules.mobiledevice
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.helpers.UndoHelper
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.core.view.postDelayed
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.snackbar.Snackbar
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.MobileDevice
+import io.github.wulkanowy.databinding.FragmentMobileDeviceBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.mobiledevice.token.MobileDeviceTokenDialog
-import kotlinx.android.synthetic.main.fragment_mobile_device.*
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class MobileDeviceFragment : BaseFragment(), MobileDeviceView, MainView.TitledView {
+@AndroidEntryPoint
+class MobileDeviceFragment :
+    BaseFragment<FragmentMobileDeviceBinding>(R.layout.fragment_mobile_device), MobileDeviceView,
+    MainView.TitledView {
 
     @Inject
     lateinit var presenter: MobileDevicePresenter
 
     @Inject
-    lateinit var devicesAdapter: MobileDeviceAdapter<AbstractFlexibleItem<*>>
+    lateinit var devicesAdapter: MobileDeviceAdapter
 
     companion object {
         fun newInstance() = MobileDeviceFragment()
@@ -35,82 +38,97 @@ class MobileDeviceFragment : BaseFragment(), MobileDeviceView, MainView.TitledVi
         get() = R.string.mobile_devices_title
 
     override val isViewEmpty: Boolean
-        get() = devicesAdapter.isEmpty
+        get() = devicesAdapter.items.isEmpty()
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_mobile_device, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = mobileDevicesRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentMobileDeviceBinding.bind(view)
+        messageContainer = binding.mobileDevicesRecycler
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        with(mobileDevicesRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        devicesAdapter.onDeviceUnregisterListener = presenter::onUnregisterDevice
+
+        with(binding.mobileDevicesRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = devicesAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false)
-            )
+            addItemDecoration(DividerItemDecoration(context))
         }
+
+        with(binding) {
+            mobileDevicesSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            mobileDevicesSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            mobileDevicesSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            mobileDevicesErrorRetry.setOnClickListener { presenter.onRetry() }
+            mobileDevicesErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+            mobileDeviceAddButton.setOnClickListener { presenter.onRegisterDevice() }
+        }
+    }
+
+    override fun updateData(data: List<MobileDevice>) {
         with(devicesAdapter) {
-            isPermanentDelete = false
-            onDeviceUnregisterListener = presenter::onUnregisterDevice
+            items = data.toMutableList()
+            notifyDataSetChanged()
         }
-        mobileDevicesSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
-        mobileDeviceAddButton.setOnClickListener { presenter.onRegisterDevice() }
     }
 
-    override fun updateData(data: List<MobileDeviceItem>) {
-        devicesAdapter.updateDataSet(data)
-    }
-
-    override fun restoreDeleteItem() {
-        devicesAdapter.restoreDeletedItems()
-    }
-
-    override fun clearData() {
-        devicesAdapter.clear()
-    }
-
-    override fun showUndo(position: Int, device: MobileDevice) {
-        val onActionListener = object : UndoHelper.OnActionListener {
-            override fun onActionConfirmed(action: Int, event: Int) {
-                presenter.onUnregisterConfirmed(device)
-            }
-
-            override fun onActionCanceled(action: Int, positions: MutableList<Int>?) {
-                presenter.onUnregisterCancelled()
-            }
+    override fun deleteItem(device: MobileDevice, position: Int) {
+        with(devicesAdapter) {
+            items.removeAt(position)
+            notifyItemRemoved(position)
+            notifyItemRangeChanged(position, itemCount)
         }
-
-        UndoHelper(devicesAdapter, onActionListener)
-            .withConsecutive(false)
-            .withAction(UndoHelper.Action.REMOVE)
-            .start(listOf(position), mobileDevicesRecycler, R.string.mobile_device_removed, R.string.all_undo, 3000)
     }
 
-    override fun hideRefresh() {
-        mobileDevicesSwipe.isRefreshing = false
+    override fun restoreDeleteItem(device: MobileDevice, position: Int) {
+        with(devicesAdapter) {
+            items.add(position, device)
+            notifyItemInserted(position)
+            notifyItemRangeChanged(position, itemCount)
+        }
+    }
+
+    override fun showUndo(device: MobileDevice, position: Int) {
+        var confirmed = true
+
+        Snackbar.make(binding.mobileDevicesRecycler, getString(R.string.mobile_device_removed), 3000)
+            .setAction(R.string.all_undo) {
+                confirmed = false
+                presenter.onUnregisterCancelled(device, position)
+            }.show()
+
+        view?.postDelayed(3000) {
+            if (confirmed) presenter.onUnregisterConfirmed(device)
+        }
+    }
+
+    override fun showRefresh(show: Boolean) {
+        binding.mobileDevicesSwipe.isRefreshing = show
     }
 
     override fun showProgress(show: Boolean) {
-        mobileDevicesProgress.visibility = if (show) VISIBLE else GONE
+        binding.mobileDevicesProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showEmpty(show: Boolean) {
-        mobileDevicesEmpty.visibility = if (show) VISIBLE else GONE
+        binding.mobileDevicesEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.mobileDevicesError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.mobileDevicesErrorMessage.text = message
     }
 
     override fun enableSwipe(enable: Boolean) {
-        mobileDevicesSwipe.isEnabled = enable
+        binding.mobileDevicesSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        mobileDevicesRecycler.visibility = if (show) VISIBLE else GONE
+        binding.mobileDevicesRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showTokenDialog() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceItem.kt
deleted file mode 100644
index 436c2d0e2..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceItem.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.ui.modules.mobiledevice
-
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_mobile_device.*
-
-class MobileDeviceItem(val device: MobileDevice) : AbstractFlexibleItem<MobileDeviceItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_mobile_device
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            mobileDeviceItemDate.text = device.date.toFormattedString("dd.MM.yyyy HH:mm:ss")
-            mobileDeviceItemName.text = device.name
-            mobileDeviceItemUnregister.setOnClickListener {
-                (adapter as MobileDeviceAdapter).onDeviceUnregisterListener(device, holder.flexibleAdapterPosition)
-            }
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as MobileDeviceItem
-
-        if (device.id != other.device.id) return false
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = device.hashCode()
-        result = 31 * result + device.id.toInt()
-        return result
-    }
-
-    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceModule.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceModule.kt
deleted file mode 100644
index 59bbaa9f8..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceModule.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package io.github.wulkanowy.ui.modules.mobiledevice
-
-import dagger.Module
-import dagger.Provides
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-
-@Module
-class MobileDeviceModule {
-
-    @Provides
-    fun provideMobileDeviceFlexibleAdapter() = MobileDeviceAdapter<AbstractFlexibleItem<*>>()
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
index 71359a52a..9591867df 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
@@ -1,29 +1,36 @@
 package io.github.wulkanowy.ui.modules.mobiledevice
 
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.data.repositories.mobiledevice.MobileDeviceRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.MobileDeviceRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class MobileDevicePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MobileDeviceView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<MobileDeviceView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
 
     override fun onAttachView(view: MobileDeviceView) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Mobile device view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData()
     }
 
@@ -31,32 +38,75 @@ class MobileDevicePresenter @Inject constructor(
         loadData(true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading mobile devices data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .flatMap { mobileDeviceRepository.getDevices(it, forceRefresh) }
-            .map { items -> items.map { MobileDeviceItem(it) } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    hideRefresh()
-                    showProgress(false)
-                    enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            mobileDeviceRepository.getDevices(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data)
+                        }
+                    }
                 }
-            }.subscribe({
-                Timber.i("Loading mobile devices result: Success")
-                view?.run {
-                    updateData(it)
-                    showContent(it.isNotEmpty())
-                    showEmpty(it.isEmpty())
+                Status.SUCCESS -> {
+                    Timber.i("Loading mobile devices result: Success")
+                    view?.run {
+                        updateData(it.data!!)
+                        showContent(it.data.isNotEmpty())
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "devices",
+                        "items" to it.data!!.size
+                    )
                 }
-                analytics.logEvent("load_devices", "items" to it.size, "force_refresh" to forceRefresh)
-            }) {
-                Timber.i("Loading mobile devices result: An exception occurred")
-                errorHandler.dispatch(it)
-            })
+                Status.ERROR -> {
+                    Timber.i("Loading mobile devices result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
     }
 
     fun onRegisterDevice() {
@@ -65,46 +115,39 @@ class MobileDevicePresenter @Inject constructor(
 
     fun onUnregisterDevice(device: MobileDevice, position: Int) {
         view?.run {
-            showUndo(position, device)
+            deleteItem(device, position)
+            showUndo(device, position)
             showEmpty(isViewEmpty)
         }
     }
 
-    fun onUnregisterCancelled() {
+    fun onUnregisterCancelled(device: MobileDevice, position: Int) {
         view?.run {
-            restoreDeleteItem()
+            restoreDeleteItem(device, position)
             showEmpty(isViewEmpty)
         }
     }
 
     fun onUnregisterConfirmed(device: MobileDevice) {
-        Timber.i("Unregister device started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .flatMap { semester ->
-                mobileDeviceRepository.unregisterDevice(semester, device)
-                    .flatMap { mobileDeviceRepository.getDevices(semester, it) }
-            }
-            .map { items -> items.map { MobileDeviceItem(it) } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    showProgress(false)
-                    enableSwipe(true)
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            mobileDeviceRepository.unregisterDevice(student, semester, device)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Unregister device started")
+                Status.SUCCESS -> {
+                    Timber.i("Unregister device result: Success")
+                    view?.run {
+                        showProgress(false)
+                        enableSwipe(true)
+                    }
+                }
+                Status.ERROR -> {
+                    Timber.i("Unregister device result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
                 }
             }
-            .subscribe({
-                Timber.i("Unregister device result: Success")
-                view?.run {
-                    updateData(it)
-                    showContent(it.isNotEmpty())
-                    showEmpty(it.isEmpty())
-                }
-            }) {
-                Timber.i("Unregister device result: An exception occurred")
-                errorHandler.dispatch(it)
-            }
-        )
+        }.launchIn(this)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceView.kt
index 58804e245..b94646a7b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDeviceView.kt
@@ -9,13 +9,15 @@ interface MobileDeviceView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<MobileDeviceItem>)
+    fun updateData(data: List<MobileDevice>)
 
-    fun restoreDeleteItem()
+    fun deleteItem(device: MobileDevice, position: Int)
 
-    fun hideRefresh()
+    fun restoreDeleteItem(device: MobileDevice, position: Int)
 
-    fun clearData()
+    fun showUndo(device: MobileDevice, position: Int)
+
+    fun showRefresh(show: Boolean)
 
     fun showProgress(show: Boolean)
 
@@ -25,7 +27,9 @@ interface MobileDeviceView : BaseView {
 
     fun showEmpty(show: Boolean)
 
-    fun showUndo(position: Int, device: MobileDevice)
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
 
     fun showTokenDialog()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenDialog.kt
index a41101284..6357c495a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenDialog.kt
@@ -1,5 +1,7 @@
 package io.github.wulkanowy.ui.modules.mobiledevice.token
 
+import android.content.ClipData
+import android.content.ClipboardManager
 import android.graphics.BitmapFactory
 import android.os.Bundle
 import android.util.Base64
@@ -9,21 +11,24 @@ import android.view.View.GONE
 import android.view.View.VISIBLE
 import android.view.ViewGroup
 import android.widget.Toast
-import dagger.android.support.DaggerDialogFragment
+import androidx.core.content.getSystemService
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.pojos.MobileDeviceToken
-import io.github.wulkanowy.data.repositories.mobiledevice.MobileDeviceRemote
-import io.github.wulkanowy.ui.base.BaseActivity
-import kotlinx.android.synthetic.main.dialog_mobile_device.*
+import io.github.wulkanowy.databinding.DialogMobileDeviceBinding
+import io.github.wulkanowy.ui.base.BaseDialogFragment
 import javax.inject.Inject
 
-class MobileDeviceTokenDialog : DaggerDialogFragment(), MobileDeviceTokenVIew {
+@AndroidEntryPoint
+class MobileDeviceTokenDialog : BaseDialogFragment<DialogMobileDeviceBinding>(),
+    MobileDeviceTokenVIew {
 
     @Inject
     lateinit var presenter: MobileDeviceTokenPresenter
 
     companion object {
-        fun newInstance(): MobileDeviceTokenDialog = MobileDeviceTokenDialog()
+
+        fun newInstance() = MobileDeviceTokenDialog()
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -31,57 +36,58 @@ class MobileDeviceTokenDialog : DaggerDialogFragment(), MobileDeviceTokenVIew {
         setStyle(STYLE_NO_TITLE, 0)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_mobile_device, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogMobileDeviceBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        mobileDeviceDialogClose.setOnClickListener { dismiss() }
+        binding.mobileDeviceDialogClose.setOnClickListener { dismiss() }
     }
 
     override fun updateData(token: MobileDeviceToken) {
-        mobileDeviceDialogToken.text = token.token
-        mobileDeviceDialogSymbol.text = token.symbol
-        mobileDeviceDialogPin.text = token.pin
+        with(binding.mobileDeviceDialogToken) {
+            text = token.token
+            setOnClickListener { clickCopy(token.token) }
+        }
+        with(binding.mobileDeviceDialogSymbol) {
+            text = token.symbol
+            setOnClickListener { clickCopy(token.symbol) }
+        }
+        with(binding.mobileDeviceDialogPin) {
+            text = token.pin
+            setOnClickListener { clickCopy(token.pin) }
+        }
 
-        mobileDeviceQr.setImageBitmap(Base64.decode(token.qr, Base64.DEFAULT).let {
+        binding.mobileDeviceQr.setImageBitmap(Base64.decode(token.qr, Base64.DEFAULT).let {
             BitmapFactory.decodeByteArray(it, 0, it.size)
         })
     }
 
+    private fun clickCopy(text: String) {
+        val clip = ClipData.newPlainText("wulkanowy", text)
+        activity?.getSystemService<ClipboardManager>()?.setPrimaryClip(clip)
+        Toast.makeText(context, R.string.all_copied, Toast.LENGTH_LONG).show()
+    }
+
     override fun hideLoading() {
-        mobileDeviceDialogProgress.visibility = GONE
+        binding.mobileDeviceDialogProgress.visibility = GONE
     }
 
     override fun showContent() {
-        mobileDeviceDialogContent.visibility = VISIBLE
+        binding.mobileDeviceDialogContent.visibility = VISIBLE
     }
 
     override fun closeDialog() {
         dismiss()
     }
 
-    override fun showError(text: String, error: Throwable) {
-        showMessage(text)
-    }
-
-    override fun showMessage(text: String) {
-        Toast.makeText(context, text, Toast.LENGTH_LONG).show()
-    }
-
-    override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
-    }
-
-    override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
-    }
-
     override fun onDestroyView() {
         presenter.onDetachView()
         super.onDestroyView()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
index a778cbeda..5e7110ee5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
@@ -1,23 +1,25 @@
 package io.github.wulkanowy.ui.modules.mobiledevice.token
 
-import io.github.wulkanowy.data.repositories.mobiledevice.MobileDeviceRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.MobileDeviceRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class MobileDeviceTokenPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MobileDeviceTokenVIew>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<MobileDeviceTokenVIew>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MobileDeviceTokenVIew) {
         super.onAttachView(view)
@@ -27,25 +29,29 @@ class MobileDeviceTokenPresenter @Inject constructor(
     }
 
     private fun loadData() {
-        Timber.i("Mobile device registration data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .flatMap { mobileDeviceRepository.getToken(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally { view?.hideLoading() }
-            .subscribe({
-                Timber.i("Mobile device registration result: Success")
-                view?.run {
-                    updateData(it)
-                    showContent()
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            mobileDeviceRepository.getToken(student, semester)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Mobile device registration data started")
+                Status.SUCCESS -> {
+                    Timber.i("Mobile device registration result: Success")
+                    view?.run {
+                        updateData(it.data!!)
+                        showContent()
+                    }
+                    analytics.logEvent("device_register", "symbol" to it.data!!.token.substring(0, 3))
+                }
+                Status.ERROR -> {
+                    Timber.i("Mobile device registration result: An exception occurred")
+                    view?.closeDialog()
+                    errorHandler.dispatch(it.error!!)
                 }
-                analytics.logEvent("device_register", "symbol" to it.token.substring(0, 3))
-            }) {
-                Timber.i("Mobile device registration result: An exception occurred")
-                view?.closeDialog()
-                errorHandler.dispatch(it)
             }
-        )
+        }.afterLoading {
+            view?.hideLoading()
+        }.launch()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreAdapter.kt
new file mode 100644
index 000000000..70587b0cf
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreAdapter.kt
@@ -0,0 +1,34 @@
+package io.github.wulkanowy.ui.modules.more
+
+import android.graphics.drawable.Drawable
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.databinding.ItemMoreBinding
+import javax.inject.Inject
+
+class MoreAdapter @Inject constructor() : RecyclerView.Adapter<MoreAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Pair<String, Drawable?>>()
+
+    var onClickListener: (name: String) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemMoreBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val (title, drawable) = items[position]
+
+        with(holder.binding) {
+            moreItemTitle.text = title
+            moreItemImage.setImageDrawable(drawable)
+
+            root.setOnClickListener { onClickListener(title) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemMoreBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
index e21b4d16a..c4a14a521 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt
@@ -2,15 +2,14 @@ package io.github.wulkanowy.ui.modules.more
 
 import android.graphics.drawable.Drawable
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentMoreBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.about.AboutFragment
+import io.github.wulkanowy.ui.modules.conference.ConferenceFragment
 import io.github.wulkanowy.ui.modules.homework.HomeworkFragment
 import io.github.wulkanowy.ui.modules.luckynumber.LuckyNumberFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
@@ -18,19 +17,20 @@ import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.mobiledevice.MobileDeviceFragment
 import io.github.wulkanowy.ui.modules.note.NoteFragment
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersFragment
 import io.github.wulkanowy.ui.modules.settings.SettingsFragment
 import io.github.wulkanowy.utils.getCompatDrawable
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_more.*
 import javax.inject.Inject
 
-class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.MainChildView {
+@AndroidEntryPoint
+class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more), MoreView,
+    MainView.TitledView, MainView.MainChildView {
 
     @Inject
     lateinit var presenter: MorePresenter
 
     @Inject
-    lateinit var moreAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var moreAdapter: MoreAdapter
 
     companion object {
         fun newInstance() = MoreFragment()
@@ -54,26 +54,26 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
     override val mobileDevicesRes: Pair<String, Drawable?>?
         get() = context?.run { getString(R.string.mobile_devices_title) to getCompatDrawable(R.drawable.ic_more_mobile_devices) }
 
+    override val conferencesRes: Pair<String, Drawable?>?
+        get() = context?.run { getString(R.string.conferences_title) to getCompatDrawable(R.drawable.ic_more_conferences) }
+
+    override val schoolAndTeachersRes: Pair<String, Drawable?>?
+        get() = context?.run { getString(R.string.schoolandteachers_title) to getCompatDrawable((R.drawable.ic_more_schoolandteachers)) }
+
     override val settingsRes: Pair<String, Drawable?>?
         get() = context?.run { getString(R.string.settings_title) to getCompatDrawable(R.drawable.ic_more_settings) }
 
-    override val aboutRes: Pair<String, Drawable?>?
-        get() = context?.run { getString(R.string.about_title) to getCompatDrawable(R.drawable.ic_all_about) }
-
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_more, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentMoreBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        moreAdapter.setOnItemClickListener { presenter.onItemSelected(it) }
+        moreAdapter.onClickListener = presenter::onItemSelected
 
-        moreRecycler.apply {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.moreRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = moreAdapter
         }
     }
@@ -82,8 +82,11 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         if (::presenter.isInitialized) presenter.onViewReselected()
     }
 
-    override fun updateData(data: List<MoreItem>) {
-        moreAdapter.updateDataSet(data)
+    override fun updateData(data: List<Pair<String, Drawable?>>) {
+        with(moreAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun openMessagesView() {
@@ -106,12 +109,16 @@ class MoreFragment : BaseFragment(), MoreView, MainView.TitledView, MainView.Mai
         (activity as? MainActivity)?.pushView(MobileDeviceFragment.newInstance())
     }
 
-    override fun openSettingsView() {
-        (activity as? MainActivity)?.pushView(SettingsFragment.newInstance())
+    override fun openConferencesView() {
+        (activity as? MainActivity)?.pushView(ConferenceFragment.newInstance())
     }
 
-    override fun openAboutView() {
-        (activity as? MainActivity)?.pushView(AboutFragment.newInstance())
+    override fun openSchoolAndTeachersView() {
+        (activity as? MainActivity)?.pushView(SchoolAndTeachersFragment.newInstance())
+    }
+
+    override fun openSettingsView() {
+        (activity as? MainActivity)?.pushView(SettingsFragment.newInstance())
     }
 
     override fun popView(depth: Int) {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreItem.kt
deleted file mode 100644
index 85b604e77..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreItem.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package io.github.wulkanowy.ui.modules.more
-
-import android.graphics.drawable.Drawable
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_more.*
-
-class MoreItem(val title: String, private val drawable: Drawable?) : AbstractFlexibleItem<MoreItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_more
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            moreItemTitle.text = title
-            moreItemImage.setImageDrawable(drawable)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as MoreItem
-
-        if (title != other.title) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return title.hashCode()
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
index 893677255..6079141f4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
@@ -1,18 +1,15 @@
 package io.github.wulkanowy.ui.modules.more
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class MorePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<MoreView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MoreView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MoreView) {
         super.onAttachView(view)
@@ -21,18 +18,18 @@ class MorePresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item !is MoreItem) return
-        Timber.i("Select more item \"${item.title}\"")
+    fun onItemSelected(title: String) {
+        Timber.i("Select more item \"${title}\"")
         view?.run {
-            when (item.title) {
+            when (title) {
                 messagesRes?.first -> openMessagesView()
                 homeworkRes?.first -> openHomeworkView()
                 noteRes?.first -> openNoteView()
                 luckyNumberRes?.first -> openLuckyNumberView()
                 mobileDevicesRes?.first -> openMobileDevicesView()
+                conferencesRes?.first -> openConferencesView()
+                schoolAndTeachersRes?.first -> openSchoolAndTeachersView()
                 settingsRes?.first -> openSettingsView()
-                aboutRes?.first -> openAboutView()
             }
         }
     }
@@ -46,14 +43,15 @@ class MorePresenter @Inject constructor(
         Timber.i("Load items for more view")
         view?.run {
             updateData(listOfNotNull(
-                messagesRes?.let { MoreItem(it.first, it.second) },
-                homeworkRes?.let { MoreItem(it.first, it.second) },
-                noteRes?.let { MoreItem(it.first, it.second) },
-                luckyNumberRes?.let { MoreItem(it.first, it.second) },
-                mobileDevicesRes?.let { MoreItem(it.first, it.second) },
-                settingsRes?.let { MoreItem(it.first, it.second) },
-                aboutRes?.let { MoreItem(it.first, it.second) })
-            )
+                messagesRes,
+                homeworkRes,
+                noteRes,
+                luckyNumberRes,
+                mobileDevicesRes,
+                conferencesRes,
+                schoolAndTeachersRes,
+                settingsRes
+            ))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
index e82c75545..0543742e4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt
@@ -15,18 +15,18 @@ interface MoreView : BaseView {
 
     val mobileDevicesRes: Pair<String, Drawable?>?
 
-    val settingsRes: Pair<String, Drawable?>?
+    val conferencesRes: Pair<String, Drawable?>?
 
-    val aboutRes: Pair<String, Drawable?>?
+    val schoolAndTeachersRes: Pair<String, Drawable?>?
+
+    val settingsRes: Pair<String, Drawable?>?
 
     fun initView()
 
-    fun updateData(data: List<MoreItem>)
+    fun updateData(data: List<Pair<String, Drawable?>>)
 
     fun openSettingsView()
 
-    fun openAboutView()
-
     fun popView(depth: Int)
 
     fun openMessagesView()
@@ -38,4 +38,8 @@ interface MoreView : BaseView {
     fun openLuckyNumberView()
 
     fun openMobileDevicesView()
+
+    fun openConferencesView()
+
+    fun openSchoolAndTeachersView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteAdapter.kt
new file mode 100644
index 000000000..48482cb75
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteAdapter.kt
@@ -0,0 +1,60 @@
+package io.github.wulkanowy.ui.modules.note
+
+import android.annotation.SuppressLint
+import android.graphics.Typeface
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.content.ContextCompat
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.databinding.ItemNoteBinding
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class NoteAdapter @Inject constructor() : RecyclerView.Adapter<NoteAdapter.ItemViewHolder>() {
+
+    var items = mutableListOf<Note>()
+
+    var onClickListener: (Note, position: Int) -> Unit = { _, _ -> }
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemNoteBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            with(noteItemDate) {
+                text = item.date.toFormattedString()
+                setTypeface(null, if (item.isRead) Typeface.NORMAL else Typeface.BOLD)
+            }
+            with(noteItemType) {
+                text = item.category
+                setTypeface(null, if (item.isRead) Typeface.NORMAL else Typeface.BOLD)
+            }
+            with(noteItemPoints) {
+                text = "${if (item.points > 0) "+" else ""}${item.points}"
+                visibility = if (item.isPointsShow) View.VISIBLE else View.GONE
+                setTextColor(when (NoteCategory.getByValue(item.categoryType)) {
+                    NoteCategory.POSITIVE -> ContextCompat.getColor(context, R.color.note_positive)
+                    NoteCategory.NEGATIVE -> ContextCompat.getColor(context, R.color.note_negative)
+                    else -> context.getThemeAttrColor(android.R.attr.textColorPrimary)
+                })
+            }
+            noteItemTeacher.text = item.teacher
+            noteItemContent.text = item.content
+
+            root.setOnClickListener { onClickListener(item, position) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemNoteBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteDialog.kt
index 492aeab26..4cb1cda02 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteDialog.kt
@@ -1,26 +1,32 @@
 package io.github.wulkanowy.ui.modules.note
 
+import android.annotation.SuppressLint
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.DialogFragment
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.databinding.DialogNoteBinding
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_note.*
 
 class NoteDialog : DialogFragment() {
 
+    private var binding: DialogNoteBinding by lifecycleAwareVariable()
+
     private lateinit var note: Note
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
 
-        fun newInstance(exam: Note): NoteDialog {
-            return NoteDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
-            }
+        fun newInstance(exam: Note) = NoteDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
         }
     }
 
@@ -32,17 +38,42 @@ class NoteDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_note, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogNoteBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    @SuppressLint("SetTextI18n")
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        noteDialogDate.text = note.date.toFormattedString()
-        noteDialogCategory.text = note.category
-        noteDialogTeacher.text = note.teacher
-        noteDialogContent.text = note.content
-        noteDialogClose.setOnClickListener { dismiss() }
+        with(binding) {
+            noteDialogDate.text = note.date.toFormattedString()
+            noteDialogCategory.text = note.category
+            noteDialogTeacher.text = note.teacher
+            noteDialogContent.text = note.content
+        }
+
+        if (note.isPointsShow) {
+            with(binding.noteDialogPoints) {
+                text = "${if (note.points > 0) "+" else ""}${note.points}"
+                setTextColor(
+                    when (NoteCategory.getByValue(note.categoryType)) {
+                        NoteCategory.POSITIVE -> ContextCompat.getColor(
+                            requireContext(),
+                            R.color.note_positive
+                        )
+                        NoteCategory.NEGATIVE -> ContextCompat.getColor(
+                            requireContext(),
+                            R.color.note_negative
+                        )
+                        else -> requireContext().getThemeAttrColor(android.R.attr.textColorPrimary)
+                    }
+                )
+            }
+        }
+
+        binding.noteDialogClose.setOnClickListener { dismiss() }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteFragment.kt
index 6117ae244..dd6223448 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteFragment.kt
@@ -1,31 +1,30 @@
 package io.github.wulkanowy.ui.modules.note
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Note
+import io.github.wulkanowy.databinding.FragmentNoteBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_note.*
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-class NoteFragment : BaseFragment(), NoteView, MainView.TitledView {
+@AndroidEntryPoint
+class NoteFragment : BaseFragment<FragmentNoteBinding>(R.layout.fragment_note), NoteView,
+    MainView.TitledView {
 
     @Inject
     lateinit var presenter: NotePresenter
 
     @Inject
-    lateinit var noteAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var noteAdapter: NoteAdapter
 
     companion object {
         fun newInstance() = NoteFragment()
@@ -35,67 +34,82 @@ class NoteFragment : BaseFragment(), NoteView, MainView.TitledView {
         get() = R.string.note_title
 
     override val isViewEmpty: Boolean
-        get() = noteAdapter.isEmpty
+        get() = noteAdapter.items.isEmpty()
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_note, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentNoteBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        noteAdapter.run {
-            setOnItemClickListener { presenter.onNoteItemSelected(it) }
-        }
+        noteAdapter.onClickListener = presenter::onNoteItemSelected
 
-        noteRecycler.run {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.noteRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = noteAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false)
-            )
+            addItemDecoration(DividerItemDecoration(context))
+        }
+        with(binding) {
+            noteSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            noteSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            noteSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            noteErrorRetry.setOnClickListener { presenter.onRetry() }
+            noteErrorDetails.setOnClickListener { presenter.onDetailsClick() }
         }
-        noteSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
     }
 
     override fun showNoteDialog(note: Note) {
         (activity as? MainActivity)?.showDialogFragment(NoteDialog.newInstance(note))
     }
 
-    override fun updateData(data: List<NoteItem>) {
-        noteAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<Note>) {
+        with(noteAdapter) {
+            items = data.toMutableList()
+            notifyDataSetChanged()
+        }
     }
 
-    override fun updateItem(item: AbstractFlexibleItem<*>) {
-        noteAdapter.updateItem(item)
+    override fun updateItem(item: Note, position: Int) {
+        with(noteAdapter) {
+            items[position] = item
+            notifyItemChanged(position)
+        }
     }
 
     override fun clearData() {
-        noteAdapter.clear()
+        with(noteAdapter) {
+            items = mutableListOf()
+            notifyDataSetChanged()
+        }
     }
 
     override fun showEmpty(show: Boolean) {
-        noteEmpty.visibility = if (show) VISIBLE else GONE
+        binding.noteEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.noteError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.noteErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        noteProgress.visibility = if (show) VISIBLE else GONE
+        binding.noteProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        noteSwipe.isEnabled = enable
+        binding.noteSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        noteRecycler.visibility = if (show) VISIBLE else GONE
+        binding.noteRecycler.visibility = if (show) VISIBLE else GONE
     }
 
-    override fun hideRefresh() {
-        noteSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.noteSwipe.isRefreshing = show
     }
 
     override fun onDestroyView() {
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteItem.kt
deleted file mode 100644
index dabeef74a..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteItem.kt
+++ /dev/null
@@ -1,60 +0,0 @@
-package io.github.wulkanowy.ui.modules.note
-
-import android.graphics.Typeface.BOLD
-import android.graphics.Typeface.NORMAL
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Note
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_note.*
-
-class NoteItem(val note: Note) : AbstractFlexibleItem<NoteItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_note
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): NoteItem.ViewHolder {
-        return NoteItem.ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: NoteItem.ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            noteItemDate.apply {
-                text = note.date.toFormattedString()
-                setTypeface(null, if (note.isRead) NORMAL else BOLD)
-            }
-            noteItemType.apply {
-                text = note.category
-                setTypeface(null, if (note.isRead) NORMAL else BOLD)
-            }
-            noteItemTeacher.text = note.teacher
-            noteItemContent.text = note.content
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as NoteItem
-
-        if (note != other.note) return false
-        if (note.id != other.note.id) return false
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = note.hashCode()
-        result = 31 * result + note.id.toInt()
-        return result
-    }
-
-    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
index df98ab889..e80f54946 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
@@ -1,30 +1,36 @@
 package io.github.wulkanowy.ui.modules.note
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Note
-import io.github.wulkanowy.data.repositories.note.NoteRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.NoteRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResource
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class NotePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val noteRepository: NoteRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<NoteView>(errorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<NoteView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
 
     override fun onAttachView(view: NoteView) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Note view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData()
     }
 
@@ -33,60 +39,99 @@ class NotePresenter @Inject constructor(
         loadData(true)
     }
 
-    private fun loadData(forceRefresh: Boolean = false) {
-        Timber.i("Loading note data started")
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it).map { semester -> semester to it } }
-            .flatMap { noteRepository.getNotes(it.second, it.first, forceRefresh) }
-            .map { items -> items.map { NoteItem(it) } }
-            .map { items -> items.sortedByDescending { it.note.date } }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .doFinally {
-                view?.run {
-                    hideRefresh()
-                    showProgress(false)
-                    enableSwipe(true)
-                }
-            }.subscribe({
-                Timber.i("Loading note result: Success")
-                view?.apply {
-                    updateData(it)
-                    showEmpty(it.isEmpty())
-                    showContent(it.isNotEmpty())
-                }
-                analytics.logEvent("load_note", "items" to it.size, "force_refresh" to forceRefresh)
-            }, {
-                Timber.i("Loading note result: An exception occurred")
-                view?.run { showEmpty(isViewEmpty) }
-                errorHandler.dispatch(it)
-            })
-        )
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
     }
 
-    fun onNoteItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is NoteItem) {
-            Timber.i("Select note item ${item.note.id}")
-            view?.run {
-                showNoteDialog(item.note)
-                if (!item.note.isRead) {
-                    item.note.isRead = true
-                    updateItem(item)
-                    updateNote(item.note)
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        Timber.i("Loading note data started")
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            noteRepository.getNotes(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data)
+                        }
+                    }
                 }
+                Status.SUCCESS -> {
+                    Timber.i("Loading note result: Success")
+                    view?.apply {
+                        updateData(it.data!!.sortedByDescending { item -> item.date })
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.isNotEmpty())
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "note",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading note result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    fun onNoteItemSelected(note: Note, position: Int) {
+        Timber.i("Select note item ${note.id}")
+        view?.run {
+            showNoteDialog(note)
+            if (!note.isRead) {
+                note.isRead = true
+                updateItem(note, position)
+                updateNote(note)
             }
         }
     }
 
     private fun updateNote(note: Note) {
-        Timber.i("Attempt to update note ${note.id}")
-        disposable.add(noteRepository.updateNote(note)
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({ Timber.i("Update note result: Success") })
-            { error ->
-                Timber.i("Update note result: An exception occurred")
-                errorHandler.dispatch(error)
-            })
+        flowWithResource { noteRepository.updateNote(note) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Attempt to update note ${note.id}")
+                Status.SUCCESS -> Timber.i("Update note result: Success")
+                Status.ERROR -> {
+                    Timber.i("Update note result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.launchIn(this)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteView.kt
index 9a2c12ebf..9fc0be94c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NoteView.kt
@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.note
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.ui.base.BaseView
 
@@ -10,21 +9,25 @@ interface NoteView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<NoteItem>)
+    fun updateData(data: List<Note>)
 
-    fun updateItem(item: AbstractFlexibleItem<*>)
+    fun updateItem(item: Note, position: Int)
 
     fun clearData()
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
 
     fun showContent(show: Boolean)
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun showNoteDialog(note: Note)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersChildView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersChildView.kt
new file mode 100644
index 000000000..b5eedb6fd
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersChildView.kt
@@ -0,0 +1,8 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers
+
+interface SchoolAndTeachersChildView {
+
+    fun notifyParentDataLoaded()
+
+    fun onParentLoadData(forceRefresh: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersFragment.kt
new file mode 100644
index 000000000..c1c569611
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersFragment.kt
@@ -0,0 +1,87 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentSchoolandteachersBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.base.BaseFragmentPagerAdapter
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.schoolandteachers.school.SchoolFragment
+import io.github.wulkanowy.ui.modules.schoolandteachers.teacher.TeacherFragment
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.setOnSelectPageListener
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class SchoolAndTeachersFragment :
+    BaseFragment<FragmentSchoolandteachersBinding>(R.layout.fragment_schoolandteachers),
+    SchoolAndTeachersView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: SchoolAndTeachersPresenter
+
+    private val pagerAdapter by lazy { BaseFragmentPagerAdapter(childFragmentManager) }
+
+    companion object {
+        fun newInstance() = SchoolAndTeachersFragment()
+    }
+
+    override val titleStringId: Int get() = R.string.schoolandteachers_title
+
+    override val currentPageIndex get() = binding.schoolandteachersViewPager.currentItem
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentSchoolandteachersBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(pagerAdapter) {
+            containerId = binding.schoolandteachersViewPager.id
+            addFragmentsWithTitle(mapOf(
+                SchoolFragment.newInstance() to getString(R.string.school_title),
+                TeacherFragment.newInstance() to getString(R.string.teachers_title)
+            ))
+        }
+
+        with(binding.schoolandteachersViewPager) {
+            adapter = pagerAdapter
+            offscreenPageLimit = 2
+            setOnSelectPageListener(presenter::onPageSelected)
+        }
+
+        with(binding.schoolandteachersTabLayout) {
+            setupWithViewPager(binding.schoolandteachersViewPager)
+            setElevationCompat(context.dpToPx(4f))
+        }
+    }
+
+    override fun showContent(show: Boolean) {
+        with(binding) {
+            schoolandteachersViewPager.visibility = if (show) VISIBLE else INVISIBLE
+            schoolandteachersTabLayout.visibility = if (show) VISIBLE else INVISIBLE
+        }
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.schoolandteachersProgress.visibility = if (show) VISIBLE else INVISIBLE
+    }
+
+    fun onChildFragmentLoaded() {
+        presenter.onChildViewLoaded()
+    }
+
+    override fun notifyChildLoadData(index: Int, forceRefresh: Boolean) {
+        (pagerAdapter.getFragmentInstance(index) as? SchoolAndTeachersChildView)?.onParentLoadData(forceRefresh)
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt
new file mode 100644
index 000000000..915cc4213
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers
+
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import timber.log.Timber
+import javax.inject.Inject
+
+class SchoolAndTeachersPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository
+) : BasePresenter<SchoolAndTeachersView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: SchoolAndTeachersView) {
+        super.onAttachView(view)
+        launch {
+            delay(150)
+            view.initView()
+            Timber.i("Message view was initialized")
+            loadData()
+        }
+    }
+
+    fun onPageSelected(index: Int) {
+        loadChild(index)
+    }
+
+    private fun loadData() {
+        view?.run { loadChild(currentPageIndex) }
+    }
+
+    private fun loadChild(index: Int, forceRefresh: Boolean = false) {
+        Timber.i("Load schoolandteachers child view index: $index")
+        view?.notifyChildLoadData(index, forceRefresh)
+    }
+
+    fun onChildViewLoaded() {
+        view?.apply {
+            showContent(true)
+            showProgress(false)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersView.kt
new file mode 100644
index 000000000..594441ec7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersView.kt
@@ -0,0 +1,16 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface SchoolAndTeachersView : BaseView {
+
+    val currentPageIndex: Int
+
+    fun initView()
+
+    fun showContent(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun notifyChildLoadData(index: Int, forceRefresh: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolFragment.kt
new file mode 100644
index 000000000..fba2f0407
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolFragment.kt
@@ -0,0 +1,115 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.school
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.School
+import io.github.wulkanowy.databinding.FragmentSchoolBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersChildView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersFragment
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.openDialer
+import io.github.wulkanowy.utils.openNavigation
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class SchoolFragment : BaseFragment<FragmentSchoolBinding>(R.layout.fragment_school), SchoolView,
+    MainView.TitledView, SchoolAndTeachersChildView {
+
+    @Inject
+    lateinit var presenter: SchoolPresenter
+
+    override val titleStringId get() = R.string.school_title
+
+    override val isViewEmpty get() = binding.schoolName.text.isBlank()
+
+    companion object {
+        fun newInstance() = SchoolFragment()
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentSchoolBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding) {
+            schoolSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            schoolSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            schoolSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            schoolErrorRetry.setOnClickListener { presenter.onRetry() }
+            schoolErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
+            schoolAddressButton.setOnClickListener { presenter.onAddressSelected() }
+            schoolTelephoneButton.setOnClickListener { presenter.onTelephoneSelected() }
+        }
+    }
+
+    override fun updateData(data: School) {
+        with(binding) {
+            val noDataString = getString(R.string.all_no_data)
+            schoolName.text = data.name.ifBlank { noDataString }
+            schoolAddress.text = data.address.ifBlank { noDataString }
+            schoolAddressButton.visibility = if (data.address.isNotBlank()) VISIBLE else GONE
+            schoolTelephone.text = data.contact.ifBlank { noDataString }
+            schoolTelephoneButton.visibility = if (data.contact.isNotBlank()) VISIBLE else GONE
+            schoolHeadmaster.text = data.headmaster.ifBlank { noDataString }
+            schoolPedagogue.text = data.pedagogue.ifBlank { noDataString }
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.schoolEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.schoolError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.schoolErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.schoolProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.schoolSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.schoolContent.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun hideRefresh() {
+        binding.schoolSwipe.isRefreshing = false
+    }
+
+    override fun notifyParentDataLoaded() {
+        (parentFragment as? SchoolAndTeachersFragment)?.onChildFragmentLoaded()
+    }
+
+    override fun onParentLoadData(forceRefresh: Boolean) {
+        presenter.onParentViewLoadData(forceRefresh)
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+
+    override fun openMapsLocation(location: String) {
+        context?.openNavigation(location)
+    }
+
+    override fun dialPhone(phone: String) {
+        context?.openDialer(phone)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
new file mode 100644
index 000000000..202d4e5d7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
@@ -0,0 +1,117 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.school
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.SchoolRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class SchoolPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val schoolRepository: SchoolRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<SchoolView>(errorHandler, studentRepository) {
+
+    private var address: String? = null
+
+    private var contact: String? = null
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: SchoolView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("School view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onParentViewLoadData(forceRefresh: Boolean) {
+        loadData(forceRefresh)
+    }
+
+    fun onAddressSelected() {
+        address?.let { view?.openMapsLocation(it) }
+    }
+
+    fun onTelephoneSelected() {
+        contact?.let { view?.dialPhone(it) }
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            schoolRepository.getSchoolInfo(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading school info started")
+                Status.SUCCESS -> if (it.data != null) {
+                    Timber.i("Loading teachers result: Success")
+                    view?.run {
+                        address = it.data.address.ifBlank { null }
+                        contact = it.data.contact.ifBlank { null }
+                        updateData(it.data)
+                        showContent(true)
+                        showEmpty(false)
+                        showErrorView(false)
+                    }
+                    analytics.logEvent("load_item", "type" to "school")
+                } else view?.run {
+                    Timber.i("Loading school result: No school info found")
+                    showContent(!isViewEmpty)
+                    showEmpty(isViewEmpty)
+                    showErrorView(false)
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading school result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded()
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+                showContent(false)
+            } else showError(message, error)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolView.kt
new file mode 100644
index 000000000..c42c2f91b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolView.kt
@@ -0,0 +1,32 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.school
+
+import io.github.wulkanowy.data.db.entities.School
+import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersChildView
+
+interface SchoolView : BaseView, SchoolAndTeachersChildView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: School)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun hideRefresh()
+
+    fun openMapsLocation(location: String)
+
+    fun dialPhone(phone: String)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherAdapter.kt
new file mode 100644
index 000000000..8deeae05b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherAdapter.kt
@@ -0,0 +1,40 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.teacher
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Teacher
+import io.github.wulkanowy.databinding.ItemTeacherBinding
+import javax.inject.Inject
+
+class TeacherAdapter @Inject constructor() : RecyclerView.Adapter<TeacherAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Teacher>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemTeacherBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val teacher = items[position]
+
+        with(holder.binding) {
+            teacherItemName.text = teacher.name
+            teacherItemSubject.text = if (teacher.subject.isNotBlank()) teacher.subject else root.context.getString(R.string.teacher_no_subject)
+            if (teacher.shortName.isNotBlank()) {
+                teacherItemShortName.visibility = View.VISIBLE
+                teacherItemShortName.text = "[${teacher.shortName}]"
+            } else {
+                teacherItemShortName.visibility = View.GONE
+            }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemTeacherBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherFragment.kt
new file mode 100644
index 000000000..b052a3833
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherFragment.kt
@@ -0,0 +1,110 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.teacher
+
+import android.os.Bundle
+import android.view.View
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Teacher
+import io.github.wulkanowy.databinding.FragmentTeacherBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersChildView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersFragment
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class TeacherFragment : BaseFragment<FragmentTeacherBinding>(R.layout.fragment_teacher),
+    TeacherView, MainView.TitledView, SchoolAndTeachersChildView {
+
+    @Inject
+    lateinit var presenter: TeacherPresenter
+
+    @Inject
+    lateinit var teacherAdapter: TeacherAdapter
+
+    companion object {
+        fun newInstance() = TeacherFragment()
+    }
+
+    override val titleStringId: Int
+        get() = R.string.teachers_title
+
+    override val noSubjectString get() = getString(R.string.teacher_no_subject)
+
+    override val isViewEmpty: Boolean
+        get() = teacherAdapter.items.isEmpty()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentTeacherBinding.bind(view)
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.teacherRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = teacherAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+        with(binding) {
+            teacherSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            teacherSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            teacherSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            teacherErrorRetry.setOnClickListener { presenter.onRetry() }
+            teacherErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<Teacher>) {
+        with(teacherAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.teacherEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.teacherError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.teacherErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.teacherProgress.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.teacherSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.teacherRecycler.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun hideRefresh() {
+        binding.teacherSwipe.isRefreshing = false
+    }
+
+    override fun notifyParentDataLoaded() {
+        (parentFragment as? SchoolAndTeachersFragment)?.onChildFragmentLoaded()
+    }
+
+    override fun onParentLoadData(forceRefresh: Boolean) {
+        presenter.onParentViewLoadData(forceRefresh)
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
new file mode 100644
index 000000000..c83cfe766
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
@@ -0,0 +1,101 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.teacher
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.TeacherRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class TeacherPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val teacherRepository: TeacherRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<TeacherView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: TeacherView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Teacher view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onParentViewLoadData(forceRefresh: Boolean) {
+        loadData(forceRefresh)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            teacherRepository.getTeachers(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading teachers data started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading teachers result: Success")
+                    view?.run {
+                        updateData(it.data!!.filter { item -> item.name.isNotBlank() })
+                        showContent(it.data.isNotEmpty())
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "teachers",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading teachers result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+                notifyParentDataLoaded()
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherView.kt
new file mode 100644
index 000000000..c655bfad8
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherView.kt
@@ -0,0 +1,30 @@
+package io.github.wulkanowy.ui.modules.schoolandteachers.teacher
+
+import io.github.wulkanowy.data.db.entities.Teacher
+import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersChildView
+
+interface TeacherView : BaseView, SchoolAndTeachersChildView {
+
+    val isViewEmpty: Boolean
+
+    val noSubjectString: String
+
+    fun initView()
+
+    fun updateData(data: List<Teacher>)
+
+    fun hideRefresh()
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsFragment.kt
index cb172b98b..2612fab3a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsFragment.kt
@@ -1,85 +1,22 @@
 package io.github.wulkanowy.ui.modules.settings
 
-import android.content.Context
-import android.content.SharedPreferences
 import android.os.Bundle
-import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
-import dagger.android.support.AndroidSupportInjection
 import io.github.wulkanowy.R
-import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.AppInfo
-import javax.inject.Inject
+import timber.log.Timber
 
-class SettingsFragment : PreferenceFragmentCompat(), SharedPreferences.OnSharedPreferenceChangeListener,
-    MainView.TitledView, SettingsView {
-
-    @Inject
-    lateinit var presenter: SettingsPresenter
-
-    @Inject
-    lateinit var appInfo: AppInfo
+class SettingsFragment : PreferenceFragmentCompat(), MainView.TitledView {
 
     companion object {
+
         fun newInstance() = SettingsFragment()
     }
 
     override val titleStringId get() = R.string.settings_title
 
-    override fun onAttach(context: Context) {
-        AndroidSupportInjection.inject(this)
-        super.onAttach(context)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        presenter.onAttachView(this)
-    }
-
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.scheme_preferences, rootKey)
-        findPreference<Preference>(getString(R.string.pref_key_notification_debug))?.isVisible = appInfo.isDebug
-    }
-
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
-        presenter.onSharedPreferenceChanged(key)
-    }
-
-    override fun recreateView() {
-        activity?.recreate()
-    }
-
-    override fun setServicesSuspended(serviceEnablesKey: String, isHolidays: Boolean) {
-        findPreference<Preference>(serviceEnablesKey)?.apply {
-            summary = if (isHolidays) getString(R.string.pref_services_suspended) else ""
-            isEnabled = !isHolidays
-        }
-    }
-
-    override fun showError(text: String, error: Throwable) {
-        (activity as? BaseActivity<*>)?.showError(text, error)
-    }
-
-    override fun showMessage(text: String) {
-        (activity as? BaseActivity<*>)?.showMessage(text)
-    }
-
-    override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
-    }
-
-    override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
-    }
-
-    override fun onResume() {
-        super.onResume()
-        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
-    }
-
-    override fun onPause() {
-        super.onPause()
-        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+        Timber.i("Settings view was initialized")
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
deleted file mode 100644
index 88d38e0d2..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
+++ /dev/null
@@ -1,46 +0,0 @@
-package io.github.wulkanowy.ui.modules.settings
-
-import com.readystatesoftware.chuck.api.ChuckCollector
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.services.sync.SyncManager
-import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.github.wulkanowy.utils.isHolidays
-import org.threeten.bp.LocalDate.now
-import timber.log.Timber
-import javax.inject.Inject
-
-class SettingsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
-    errorHandler: ErrorHandler,
-    studentRepository: StudentRepository,
-    private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper,
-    private val syncManager: SyncManager,
-    private val chuckCollector: ChuckCollector
-) : BasePresenter<SettingsView>(errorHandler, studentRepository, schedulers) {
-
-    override fun onAttachView(view: SettingsView) {
-        super.onAttachView(view)
-        Timber.i("Settings view was initialized")
-        view.setServicesSuspended(preferencesRepository.serviceEnableKey, now().isHolidays)
-    }
-
-    fun onSharedPreferenceChanged(key: String) {
-        Timber.i("Change settings $key")
-
-        with(preferencesRepository) {
-            when (key) {
-                serviceEnableKey -> with(syncManager) { if (isServiceEnabled) startSyncWorker() else stopSyncWorker() }
-                servicesIntervalKey, servicesOnlyWifiKey -> syncManager.startSyncWorker(true)
-                isDebugNotificationEnableKey -> chuckCollector.showNotification(isDebugNotificationEnable)
-                appThemeKey -> view?.recreateView()
-                else -> Unit
-            }
-        }
-        analytics.logEvent("setting_changed", "name" to key)
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsView.kt
deleted file mode 100644
index 1c4bf3b0b..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsView.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package io.github.wulkanowy.ui.modules.settings
-
-import io.github.wulkanowy.ui.base.BaseView
-
-interface SettingsView : BaseView {
-
-    fun recreateView()
-
-    fun setServicesSuspended(serviceEnablesKey: String, isHolidays: Boolean)
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedFragment.kt
new file mode 100644
index 000000000..524d7ba6d
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedFragment.kt
@@ -0,0 +1,78 @@
+package io.github.wulkanowy.ui.modules.settings.advanced
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import androidx.preference.PreferenceFragmentCompat
+import com.yariksoffice.lingver.Lingver
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.AppInfo
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AdvancedFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, AdvancedView {
+
+    @Inject
+    lateinit var presenter: AdvancedPresenter
+
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    @Inject
+    lateinit var lingver: Lingver
+
+    companion object {
+        fun newInstance() = AdvancedFragment()
+    }
+
+    override val titleStringId get() = R.string.pref_settings_advanced_title
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences_advanced, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+        presenter.onSharedPreferenceChanged(key)
+    }
+
+    override fun showError(text: String, error: Throwable) {
+        (activity as? BaseActivity<*, *>)?.showError(text, error)
+    }
+
+    override fun showMessage(text: String) {
+        (activity as? BaseActivity<*, *>)?.showMessage(text)
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun onResume() {
+        super.onResume()
+        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedPresenter.kt
new file mode 100644
index 000000000..d38f841fe
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedPresenter.kt
@@ -0,0 +1,25 @@
+package io.github.wulkanowy.ui.modules.settings.advanced
+
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import timber.log.Timber
+import javax.inject.Inject
+
+class AdvancedPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val analytics: AnalyticsHelper,
+) : BasePresenter<AdvancedView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: AdvancedView) {
+        super.onAttachView(view)
+        Timber.i("Settings advanced view was initialized")
+    }
+
+    fun onSharedPreferenceChanged(key: String) {
+        Timber.i("Change settings $key")
+        analytics.logEvent("setting_changed", "name" to key)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedView.kt
new file mode 100644
index 000000000..c2e8e52dc
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/advanced/AdvancedView.kt
@@ -0,0 +1,5 @@
+package io.github.wulkanowy.ui.modules.settings.advanced
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AdvancedView : BaseView {}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt
new file mode 100644
index 000000000..5ac801dc6
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt
@@ -0,0 +1,90 @@
+package io.github.wulkanowy.ui.modules.settings.appearance
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import androidx.preference.PreferenceFragmentCompat
+import com.yariksoffice.lingver.Lingver
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.AppInfo
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AppearanceFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, AppearanceView {
+
+    @Inject
+    lateinit var presenter: AppearancePresenter
+
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    @Inject
+    lateinit var lingver: Lingver
+
+    companion object {
+        fun newInstance() = AppearanceFragment()
+    }
+
+    override val titleStringId get() = R.string.pref_settings_appearance_title
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences_appearance, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+        presenter.onSharedPreferenceChanged(key)
+    }
+
+    override fun recreateView() {
+        activity?.recreate()
+    }
+
+    override fun updateLanguage(langCode: String) {
+        lingver.setLocale(requireContext(), langCode)
+    }
+
+    override fun updateLanguageToFollowSystem() {
+        lingver.setFollowSystemLocale(requireContext())
+    }
+
+    override fun showError(text: String, error: Throwable) {
+        (activity as? BaseActivity<*, *>)?.showError(text, error)
+    }
+
+    override fun showMessage(text: String) {
+        (activity as? BaseActivity<*, *>)?.showMessage(text)
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun onResume() {
+        super.onResume()
+        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearancePresenter.kt
new file mode 100644
index 000000000..14592a6cc
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearancePresenter.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.ui.modules.settings.appearance
+
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import timber.log.Timber
+import javax.inject.Inject
+
+class AppearancePresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val preferencesRepository: PreferencesRepository,
+    private val analytics: AnalyticsHelper,
+    private val appInfo: AppInfo
+) : BasePresenter<AppearanceView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: AppearanceView) {
+        super.onAttachView(view)
+        Timber.i("Settings appearance view was initialized")
+    }
+
+    fun onSharedPreferenceChanged(key: String) {
+        Timber.i("Change settings $key")
+
+        preferencesRepository.apply {
+            when (key) {
+                appThemeKey -> view?.recreateView()
+                appLanguageKey -> view?.run {
+                    if (appLanguage == "system") {
+                        updateLanguageToFollowSystem()
+                        analytics.logEvent("language", "setting_changed" to appInfo.systemLanguage)
+                    } else {
+                        updateLanguage(appLanguage)
+                        analytics.logEvent("language", "setting_changed" to appLanguage)
+                    }
+                    recreateView()
+                }
+            }
+        }
+        analytics.logEvent("setting_changed", "name" to key)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceView.kt
new file mode 100644
index 000000000..ecee4f423
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceView.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.ui.modules.settings.appearance
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AppearanceView : BaseView {
+
+    fun recreateView()
+
+    fun updateLanguage(langCode: String)
+
+    fun updateLanguageToFollowSystem()
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsFragment.kt
new file mode 100644
index 000000000..a9641d887
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsFragment.kt
@@ -0,0 +1,130 @@
+package io.github.wulkanowy.ui.modules.settings.notifications
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AlertDialog
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import androidx.recyclerview.widget.RecyclerView
+import com.thelittlefireman.appkillermanager.AppKillerManager
+import com.thelittlefireman.appkillermanager.exceptions.NoActionFoundException
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.openInternetBrowser
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class NotificationsFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, NotificationsView {
+
+    @Inject
+    lateinit var presenter: NotificationsPresenter
+
+    companion object {
+        fun newInstance() = NotificationsFragment()
+    }
+
+    override val titleStringId get() = R.string.pref_settings_notifications_title
+
+    override fun initView(showDebugNotificationSwitch: Boolean) {
+        findPreference<Preference>(getString(R.string.pref_key_notification_debug))?.isVisible =
+            showDebugNotificationSwitch
+
+        findPreference<Preference>(getString(R.string.pref_key_notifications_fix_issues))?.run {
+            isVisible = AppKillerManager.isDeviceSupported()
+                && AppKillerManager.isAnyActionAvailable(requireContext())
+
+            setOnPreferenceClickListener {
+                presenter.onFixSyncIssuesClicked()
+                true
+            }
+        }
+    }
+
+    override fun onCreateRecyclerView(
+        inflater: LayoutInflater?,
+        parent: ViewGroup?,
+        state: Bundle?
+    ): RecyclerView? = super.onCreateRecyclerView(inflater, parent, state)
+        .also {
+            it.itemAnimator = null
+            it.layoutAnimation = null
+        }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences_notifications, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+        presenter.onSharedPreferenceChanged(key)
+    }
+
+    override fun enableNotification(notificationKey: String, enable: Boolean) {
+        findPreference<Preference>(notificationKey)?.run {
+            isEnabled = enable
+            summary = if (enable) null else getString(R.string.pref_notify_disabled_summary)
+        }
+    }
+
+    override fun showError(text: String, error: Throwable) {
+        (activity as? BaseActivity<*, *>)?.showError(text, error)
+    }
+
+    override fun showMessage(text: String) {
+        (activity as? BaseActivity<*, *>)?.showMessage(text)
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun showFixSyncDialog() {
+        AlertDialog.Builder(requireContext())
+            .setTitle(R.string.pref_notify_fix_sync_issues)
+            .setMessage(R.string.pref_notify_fix_sync_issues_message)
+            .setNegativeButton(android.R.string.cancel) { _, _ -> }
+            .setPositiveButton(R.string.pref_notify_fix_sync_issues_settings_button) { _, _ ->
+                try {
+                    AppKillerManager.doActionPowerSaving(requireContext())
+                    AppKillerManager.doActionAutoStart(requireContext())
+                    AppKillerManager.doActionNotification(requireContext())
+                } catch (e: NoActionFoundException) {
+                    requireContext().openInternetBrowser(
+                        "https://dontkillmyapp.com/${AppKillerManager.getDevice()?.manufacturer}",
+                        ::showMessage
+                    )
+                }
+            }
+            .show()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsPresenter.kt
new file mode 100644
index 000000000..981af17de
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsPresenter.kt
@@ -0,0 +1,58 @@
+package io.github.wulkanowy.ui.modules.settings.notifications
+
+import com.chuckerteam.chucker.api.ChuckerCollector
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import timber.log.Timber
+import javax.inject.Inject
+
+class NotificationsPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val preferencesRepository: PreferencesRepository,
+    private val timetableNotificationHelper: TimetableNotificationSchedulerHelper,
+    private val appInfo: AppInfo,
+    private val analytics: AnalyticsHelper,
+    private val chuckerCollector: ChuckerCollector
+) : BasePresenter<NotificationsView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: NotificationsView) {
+        super.onAttachView(view)
+
+        with(view) {
+            enableNotification(
+                preferencesRepository.notificationsEnableKey,
+                preferencesRepository.isServiceEnabled
+            )
+            initView(appInfo.isDebug)
+        }
+        Timber.i("Settings notifications view was initialized")
+    }
+
+    fun onSharedPreferenceChanged(key: String) {
+        Timber.i("Change settings $key")
+
+        preferencesRepository.apply {
+            when (key) {
+                isUpcomingLessonsNotificationsEnableKey -> {
+                    if (!isUpcomingLessonsNotificationsEnable) {
+                        timetableNotificationHelper.cancelNotification()
+                    }
+                }
+                isDebugNotificationEnableKey -> {
+                    chuckerCollector.showNotification = isDebugNotificationEnable
+                }
+            }
+        }
+        analytics.logEvent("setting_changed", "name" to key)
+    }
+
+    fun onFixSyncIssuesClicked() {
+        view?.showFixSyncDialog()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsView.kt
new file mode 100644
index 000000000..2618cde1e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/notifications/NotificationsView.kt
@@ -0,0 +1,12 @@
+package io.github.wulkanowy.ui.modules.settings.notifications
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface NotificationsView : BaseView {
+
+    fun initView(showDebugNotificationSwitch: Boolean)
+
+    fun showFixSyncDialog()
+
+    fun enableNotification(notificationKey: String, enable: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncFragment.kt
new file mode 100644
index 000000000..207fe2ff6
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncFragment.kt
@@ -0,0 +1,100 @@
+package io.github.wulkanowy.ui.modules.settings.sync
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import androidx.preference.Preference
+import androidx.preference.PreferenceFragmentCompat
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.ui.modules.main.MainView
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class SyncFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, SyncView {
+
+    @Inject
+    lateinit var presenter: SyncPresenter
+
+    companion object {
+        fun newInstance() = SyncFragment()
+    }
+
+    override val titleStringId get() = R.string.pref_settings_sync_title
+
+    override val syncSuccessString get() = getString(R.string.pref_services_message_sync_success)
+
+    override val syncFailedString get() = getString(R.string.pref_services_message_sync_failed)
+
+    override fun initView() {
+        findPreference<Preference>(getString(R.string.pref_key_services_force_sync))?.run {
+            onPreferenceClickListener = Preference.OnPreferenceClickListener {
+                presenter.onSyncNowClicked()
+                true
+            }
+        }
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences_sync, rootKey)
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+        presenter.onSharedPreferenceChanged(key)
+    }
+
+    override fun setServicesSuspended(serviceEnablesKey: String, isHolidays: Boolean) {
+        findPreference<Preference>(serviceEnablesKey)?.run {
+            summary = if (isHolidays) getString(R.string.pref_services_suspended) else ""
+            isEnabled = !isHolidays
+        }
+    }
+
+    override fun setSyncInProgress(inProgress: Boolean) {
+        if (activity == null || !isAdded) return
+
+        findPreference<Preference>(getString(R.string.pref_key_services_force_sync))?.run {
+            isEnabled = !inProgress
+            summary = if (inProgress) getString(R.string.pref_services_sync_in_progress) else ""
+        }
+    }
+
+    override fun showError(text: String, error: Throwable) {
+        (activity as? BaseActivity<*, *>)?.showError(text, error)
+    }
+
+    override fun showMessage(text: String) {
+        (activity as? BaseActivity<*, *>)?.showMessage(text)
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun onResume() {
+        super.onResume()
+        preferenceScreen.sharedPreferences.registerOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        preferenceScreen.sharedPreferences.unregisterOnSharedPreferenceChangeListener(this)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncPresenter.kt
new file mode 100644
index 000000000..36b8d792c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncPresenter.kt
@@ -0,0 +1,72 @@
+package io.github.wulkanowy.ui.modules.settings.sync
+
+import androidx.work.WorkInfo
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.services.sync.SyncManager
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.isHolidays
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import java.time.LocalDate.now
+import javax.inject.Inject
+
+class SyncPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val preferencesRepository: PreferencesRepository,
+    private val analytics: AnalyticsHelper,
+    private val syncManager: SyncManager,
+) : BasePresenter<SyncView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: SyncView) {
+        super.onAttachView(view)
+        Timber.i("Settings sync view was initialized")
+        view.setServicesSuspended(preferencesRepository.serviceEnableKey, now().isHolidays)
+        view.initView()
+    }
+
+    fun onSharedPreferenceChanged(key: String) {
+        Timber.i("Change settings $key")
+
+        preferencesRepository.apply {
+            when (key) {
+                serviceEnableKey -> with(syncManager) { if (isServiceEnabled) startPeriodicSyncWorker() else stopSyncWorker() }
+                servicesIntervalKey, servicesOnlyWifiKey -> syncManager.startPeriodicSyncWorker(true)
+            }
+        }
+        analytics.logEvent("setting_changed", "name" to key)
+    }
+
+    fun onSyncNowClicked() {
+        view?.run {
+            syncManager.startOneTimeSyncWorker().onEach { workInfo ->
+                when (workInfo.state) {
+                    WorkInfo.State.ENQUEUED -> {
+                        setSyncInProgress(true)
+                        Timber.i("Setting sync now started")
+                        analytics.logEvent("sync_now", "status" to "started")
+                    }
+                    WorkInfo.State.SUCCEEDED -> {
+                        showMessage(syncSuccessString)
+                        analytics.logEvent("sync_now", "status" to "success")
+                    }
+                    WorkInfo.State.FAILED -> {
+                        showError(
+                            syncFailedString,
+                            Throwable(workInfo.outputData.getString("error"))
+                        )
+                        analytics.logEvent("sync_now", "status" to "failed")
+                    }
+                    else -> Timber.d("Sync now state: ${workInfo.state}")
+                }
+                if (workInfo.state.isFinished) setSyncInProgress(false)
+            }.catch {
+                Timber.e(it, "Sync now failed")
+            }.launch("sync")
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncView.kt
new file mode 100644
index 000000000..9da473ba7
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/sync/SyncView.kt
@@ -0,0 +1,16 @@
+package io.github.wulkanowy.ui.modules.settings.sync
+
+import io.github.wulkanowy.ui.base.BaseView
+
+interface SyncView : BaseView {
+
+    val syncSuccessString: String
+
+    val syncFailedString: String
+
+    fun initView()
+
+    fun setServicesSuspended(serviceEnablesKey: String, isHolidays: Boolean)
+
+    fun setSyncInProgress(inProgress: Boolean)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
index 3e0106d1a..2b96a9a0c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashActivity.kt
@@ -3,19 +3,29 @@ package io.github.wulkanowy.ui.modules.splash
 import android.os.Bundle
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.appcompat.app.AlertDialog
+import androidx.viewbinding.ViewBinding
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.openInternetBrowser
 import javax.inject.Inject
 
-class SplashActivity : BaseActivity<SplashPresenter>(), SplashView {
+@AndroidEntryPoint
+class SplashActivity : BaseActivity<SplashPresenter, ViewBinding>(), SplashView {
+
+    @Inject
+    lateinit var appInfo: AppInfo
 
     @Inject
     override lateinit var presenter: SplashPresenter
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        presenter.onAttachView(this)
+        presenter.onAttachView(this, intent?.getStringExtra("external_url"))
     }
 
     override fun openLoginView() {
@@ -28,7 +38,22 @@ class SplashActivity : BaseActivity<SplashPresenter>(), SplashView {
         finish()
     }
 
+    override fun openExternalUrlAndFinish(url: String) {
+        openInternetBrowser(url, ::showMessage)
+        finish()
+    }
+
     override fun showError(text: String, error: Throwable) {
         Toast.makeText(this, text, LENGTH_LONG).show()
     }
+
+    override fun showKitkatView() {
+        AlertDialog.Builder(this)
+            .setTitle(R.string.drop_kitkat_title)
+            .setMessage(R.string.drop_kitkat_content)
+            .setPositiveButton(android.R.string.ok, null)
+            .setNeutralButton(R.string.drop_kitkat_again) { _, _ -> presenter.onNeutralButtonSelected() }
+            .setOnDismissListener { presenter.onKitkatViewDismissed() }
+            .show()
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
index 44b53c5f9..4590d91a5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
@@ -1,27 +1,60 @@
 package io.github.wulkanowy.ui.modules.splash
 
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import android.os.Build
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
 import javax.inject.Inject
 
 class SplashPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
-    studentRepository: StudentRepository
-) : BasePresenter<SplashView>(errorHandler, studentRepository, schedulers) {
+    studentRepository: StudentRepository,
+    private val preferencesRepository: PreferencesRepository,
+    private val appInfo: AppInfo
+) : BasePresenter<SplashView>(errorHandler, studentRepository) {
 
-    override fun onAttachView(view: SplashView) {
+    private var externalUrl: String? = null
+
+    fun onAttachView(view: SplashView, externalUrl: String?) {
         super.onAttachView(view)
-        disposable.add(studentRepository.isCurrentStudentSet()
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                view.apply {
-                    if (it) openMainView()
-                    else openLoginView()
+        this.externalUrl = externalUrl
+
+        if (appInfo.systemVersion < Build.VERSION_CODES.LOLLIPOP && !preferencesRepository.isKitkatDialogDisabled) {
+            view.showKitkatView()
+        } else {
+            loadCorrectDataOrUser()
+        }
+    }
+
+    private fun loadCorrectDataOrUser() {
+        if (!externalUrl.isNullOrBlank()) {
+            view?.openExternalUrlAndFinish(externalUrl!!)
+            return
+        }
+
+        flowWithResource { studentRepository.isCurrentStudentSet() }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Is current user set check started")
+                Status.SUCCESS -> {
+                    if (it.data!!) view?.openMainView()
+                    else view?.openLoginView()
                 }
-            }, { errorHandler.dispatch(it) }))
+                Status.ERROR -> errorHandler.dispatch(it.error!!)
+            }
+        }.launch()
+    }
+
+    fun onKitkatViewDismissed() {
+        loadCorrectDataOrUser()
+    }
+
+    fun onNeutralButtonSelected() {
+        preferencesRepository.isKitkatDialogDisabled = true
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
index 9efd8123b..c9c5fe9a4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashView.kt
@@ -7,4 +7,8 @@ interface SplashView : BaseView {
     fun openLoginView()
 
     fun openMainView()
+
+    fun openExternalUrlAndFinish(url: String)
+
+    fun showKitkatView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoAdapter.kt
new file mode 100644
index 000000000..602ec07ad
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoAdapter.kt
@@ -0,0 +1,42 @@
+package io.github.wulkanowy.ui.modules.studentinfo
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.databinding.ItemStudentInfoBinding
+import javax.inject.Inject
+
+class StudentInfoAdapter @Inject constructor() :
+    RecyclerView.Adapter<StudentInfoAdapter.ViewHolder>() {
+
+    var items = listOf<Pair<String, String>>()
+
+    var onItemClickListener: (position: Int) -> Unit = {}
+
+    var onItemLongClickListener: (text: String) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+        ItemStudentInfoBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            studentInfoItemTitle.text = item.first
+            studentInfoItemSubtitle.text = item.second
+
+            with(root) {
+                setOnClickListener { onItemClickListener(position) }
+                setOnLongClickListener {
+                    onItemLongClickListener(studentInfoItemSubtitle.text.toString())
+                    true
+                }
+            }
+        }
+    }
+
+    class ViewHolder(val binding: ItemStudentInfoBinding) : RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoFragment.kt
new file mode 100644
index 000000000..6a80b2b95
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoFragment.kt
@@ -0,0 +1,240 @@
+package io.github.wulkanowy.ui.modules.studentinfo
+
+import android.annotation.SuppressLint
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.View
+import android.widget.Toast
+import androidx.core.content.getSystemService
+import androidx.core.view.get
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentGuardian
+import io.github.wulkanowy.data.db.entities.StudentInfo
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.enums.Gender
+import io.github.wulkanowy.databinding.FragmentStudentInfoBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class StudentInfoFragment :
+    BaseFragment<FragmentStudentInfoBinding>(R.layout.fragment_student_info), StudentInfoView,
+    MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: StudentInfoPresenter
+
+    @Inject
+    lateinit var studentInfoAdapter: StudentInfoAdapter
+
+    override val titleStringId: Int
+        get() = R.string.student_info_title
+
+    override val isViewEmpty get() = studentInfoAdapter.items.isEmpty()
+
+    companion object {
+
+        private const val INFO_TYPE_ARGUMENT_KEY = "info_type"
+
+        private const val STUDENT_ARGUMENT_KEY = "student_with_semesters"
+
+        fun newInstance(type: StudentInfoView.Type, studentWithSemesters: StudentWithSemesters) =
+            StudentInfoFragment().apply {
+                arguments = Bundle().apply {
+                    putSerializable(INFO_TYPE_ARGUMENT_KEY, type)
+                    putSerializable(STUDENT_ARGUMENT_KEY, studentWithSemesters)
+                }
+            }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentStudentInfoBinding.bind(view)
+        presenter.onAttachView(
+            this,
+            requireArguments().getSerializable(INFO_TYPE_ARGUMENT_KEY) as StudentInfoView.Type,
+            requireArguments().getSerializable(STUDENT_ARGUMENT_KEY) as StudentWithSemesters
+        )
+    }
+
+    override fun initView() {
+        with(binding) {
+            studentInfoSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            studentInfoSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            studentInfoSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(
+                    R.attr.colorSwipeRefresh
+                )
+            )
+            studentInfoErrorRetry.setOnClickListener { presenter.onRetry() }
+            studentInfoErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+
+        with(studentInfoAdapter) {
+            onItemClickListener = presenter::onItemSelected
+            onItemLongClickListener = presenter::onItemLongClick
+        }
+
+        with(binding.studentInfoRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            addItemDecoration(DividerItemDecoration(context, RecyclerView.VERTICAL))
+            setHasFixedSize(true)
+            adapter = studentInfoAdapter
+        }
+    }
+
+    override fun updateData(data: List<Pair<String, String>>) {
+        with(studentInfoAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        menu[0].isVisible = false
+    }
+
+    override fun showPersonalTypeData(studentInfo: StudentInfo) {
+        updateData(
+            listOf(
+                getString(R.string.student_info_first_name) to studentInfo.firstName,
+                getString(R.string.student_info_second_name) to studentInfo.secondName,
+                getString(R.string.student_info_last_name) to studentInfo.surname,
+                getString(R.string.student_info_gender) to getString(if (studentInfo.gender == Gender.MALE) R.string.student_info_male else R.string.student_info_female),
+                getString(R.string.student_info_polish_citizenship) to getString(if (studentInfo.hasPolishCitizenship) R.string.all_yes else R.string.all_no),
+                getString(R.string.student_info_family_name) to studentInfo.familyName,
+                getString(R.string.student_info_parents_name) to studentInfo.parentsNames
+            ).map {
+                if (it.second.isBlank()) it.copy(second = getString(R.string.all_no_data)) else it
+            }
+        )
+    }
+
+    override fun showContactTypeData(studentInfo: StudentInfo) {
+        updateData(
+            listOf(
+                getString(R.string.student_info_phone) to studentInfo.phoneNumber,
+                getString(R.string.student_info_cellphone) to studentInfo.cellPhoneNumber,
+                getString(R.string.student_info_email) to studentInfo.email
+            ).map {
+                if (it.second.isBlank()) it.copy(second = getString(R.string.all_no_data)) else it
+            }
+        )
+    }
+
+    @SuppressLint("DefaultLocale")
+    override fun showFamilyTypeData(studentInfo: StudentInfo) {
+        updateData(
+            listOfNotNull(
+                studentInfo.firstGuardian?.let { it.kinship.capitalize() to it.fullName },
+                studentInfo.secondGuardian?.let { it.kinship.capitalize() to it.fullName },
+            ).map { (title, value) ->
+                val updatedValue = value.ifBlank { getString(R.string.all_no_data) }
+                val updatedTitle = title.ifBlank { getString(R.string.all_no_data) }
+
+                updatedTitle to updatedValue
+            }
+        )
+    }
+
+    override fun showAddressTypeData(studentInfo: StudentInfo) {
+        updateData(
+            listOf(
+                getString(R.string.student_info_address) to studentInfo.address,
+                getString(R.string.student_info_registered_address) to studentInfo.registeredAddress,
+                getString(R.string.student_info_correspondence_address) to studentInfo.correspondenceAddress
+            ).map {
+                if (it.second.isBlank()) it.copy(second = getString(R.string.all_no_data)) else it
+            }
+        )
+    }
+
+    override fun showFirstGuardianTypeData(studentGuardian: StudentGuardian) {
+        updateData(
+            listOf(
+                getString(R.string.student_info_full_name) to studentGuardian.fullName,
+                getString(R.string.student_info_kinship) to studentGuardian.kinship,
+                getString(R.string.student_info_guardian_address) to studentGuardian.address,
+                getString(R.string.student_info_phones) to studentGuardian.phones,
+                getString(R.string.student_info_email) to studentGuardian.email
+            ).map {
+                if (it.second.isBlank()) it.copy(second = getString(R.string.all_no_data)) else it
+            }
+        )
+    }
+
+    override fun showSecondGuardianTypeData(studentGuardian: StudentGuardian) {
+        updateData(
+            listOf(
+                getString(R.string.student_info_full_name) to studentGuardian.fullName,
+                getString(R.string.student_info_kinship) to studentGuardian.kinship,
+                getString(R.string.student_info_guardian_address) to studentGuardian.address,
+                getString(R.string.student_info_phones) to studentGuardian.phones,
+                getString(R.string.student_info_email) to studentGuardian.email
+            ).map {
+                if (it.second.isBlank()) it.copy(second = getString(R.string.all_no_data)) else it
+            }
+        )
+    }
+
+    override fun openStudentInfoView(
+        infoType: StudentInfoView.Type,
+        studentWithSemesters: StudentWithSemesters
+    ) {
+        (requireActivity() as MainActivity).pushView(newInstance(infoType, studentWithSemesters))
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.studentInfoEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.studentInfoError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.studentInfoErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.studentInfoProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.studentInfoSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.studentInfoRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun hideRefresh() {
+        binding.studentInfoSwipe.isRefreshing = false
+    }
+
+    override fun copyToClipboard(text: String) {
+        val clipData = ClipData.newPlainText("student_info_wulkanowy", text)
+        requireActivity().getSystemService<ClipboardManager>()?.setPrimaryClip(clipData)
+        Toast.makeText(context, R.string.all_copied, Toast.LENGTH_SHORT).show()
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoPresenter.kt
new file mode 100644
index 000000000..d5f84dc21
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoPresenter.kt
@@ -0,0 +1,142 @@
+package io.github.wulkanowy.ui.modules.studentinfo
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.StudentInfo
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentInfoRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import io.github.wulkanowy.utils.getCurrentOrLast
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class StudentInfoPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val studentInfoRepository: StudentInfoRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<StudentInfoView>(errorHandler, studentRepository) {
+
+    private lateinit var infoType: StudentInfoView.Type
+
+    private lateinit var studentWithSemesters: StudentWithSemesters
+
+    private lateinit var lastError: Throwable
+
+    fun onAttachView(
+        view: StudentInfoView,
+        type: StudentInfoView.Type,
+        studentWithSemesters: StudentWithSemesters
+    ) {
+        super.onAttachView(view)
+        infoType = type
+        this.studentWithSemesters = studentWithSemesters
+        view.initView()
+        Timber.i("Student info $infoType view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onItemSelected(position: Int) {
+        if (infoType != StudentInfoView.Type.FAMILY) return
+
+        if (position == 0) {
+            view?.openStudentInfoView(StudentInfoView.Type.FIRST_GUARDIAN, studentWithSemesters)
+        } else {
+            view?.openStudentInfoView(StudentInfoView.Type.SECOND_GUARDIAN, studentWithSemesters)
+        }
+    }
+
+    fun onItemLongClick(text: String) {
+        view?.copyToClipboard(text)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flowWithResourceIn {
+            val semester = studentWithSemesters.semesters.getCurrentOrLast()
+            studentInfoRepository.getStudentInfo(
+                studentWithSemesters.student,
+                semester,
+                forceRefresh
+            )
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading student info $infoType started")
+                Status.SUCCESS -> {
+                    if (it.data != null && !(infoType == StudentInfoView.Type.FAMILY && it.data.firstGuardian == null && it.data.secondGuardian == null)) {
+                        Timber.i("Loading student info $infoType result: Success")
+                        showCorrectData(it.data)
+                        view?.run {
+                            showContent(true)
+                            showEmpty(false)
+                            showErrorView(false)
+                        }
+                        analytics.logEvent("load_item", "type" to "student_info")
+                    } else {
+                        Timber.i("Loading student info $infoType result: No student or family info found")
+                        view?.run {
+                            showContent(!isViewEmpty)
+                            showEmpty(isViewEmpty)
+                            showErrorView(false)
+                        }
+                    }
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading student info $infoType result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showCorrectData(studentInfo: StudentInfo) {
+        when (infoType) {
+            StudentInfoView.Type.PERSONAL -> view?.showPersonalTypeData(studentInfo)
+            StudentInfoView.Type.CONTACT -> view?.showContactTypeData(studentInfo)
+            StudentInfoView.Type.ADDRESS -> view?.showAddressTypeData(studentInfo)
+            StudentInfoView.Type.FAMILY -> view?.showFamilyTypeData(studentInfo)
+            StudentInfoView.Type.SECOND_GUARDIAN -> view?.showSecondGuardianTypeData(studentInfo.secondGuardian!!)
+            StudentInfoView.Type.FIRST_GUARDIAN -> view?.showFirstGuardianTypeData(studentInfo.firstGuardian!!)
+        }
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+                showContent(false)
+                showProgress(false)
+            } else showError(message, error)
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoView.kt
new file mode 100644
index 000000000..2f0c6753a
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/studentinfo/StudentInfoView.kt
@@ -0,0 +1,49 @@
+package io.github.wulkanowy.ui.modules.studentinfo
+
+import io.github.wulkanowy.data.db.entities.StudentGuardian
+import io.github.wulkanowy.data.db.entities.StudentInfo
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.ui.base.BaseView
+
+interface StudentInfoView : BaseView {
+
+    enum class Type {
+        PERSONAL, ADDRESS, CONTACT, FAMILY, FIRST_GUARDIAN, SECOND_GUARDIAN
+    }
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<Pair<String, String>>)
+
+    fun showPersonalTypeData(studentInfo: StudentInfo)
+
+    fun showContactTypeData(studentInfo: StudentInfo)
+
+    fun showAddressTypeData(studentInfo: StudentInfo)
+
+    fun showFamilyTypeData(studentInfo: StudentInfo)
+
+    fun showFirstGuardianTypeData(studentGuardian: StudentGuardian)
+
+    fun showSecondGuardianTypeData(studentGuardian: StudentGuardian)
+
+    fun openStudentInfoView(infoType: Type, studentWithSemesters: StudentWithSemesters)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun hideRefresh()
+
+    fun copyToClipboard(text: String)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableAdapter.kt
new file mode 100644
index 000000000..f049f828e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableAdapter.kt
@@ -0,0 +1,304 @@
+package io.github.wulkanowy.ui.modules.timetable
+
+import android.graphics.Paint
+import android.view.LayoutInflater
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.core.view.ViewCompat
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.databinding.ItemTimetableBinding
+import io.github.wulkanowy.databinding.ItemTimetableSmallBinding
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.isJustFinished
+import io.github.wulkanowy.utils.isShowTimeUntil
+import io.github.wulkanowy.utils.left
+import io.github.wulkanowy.utils.toFormattedString
+import io.github.wulkanowy.utils.until
+import timber.log.Timber
+import java.time.LocalDateTime
+import java.util.Timer
+import javax.inject.Inject
+import kotlin.concurrent.timer
+
+class TimetableAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        ITEM_NORMAL(1),
+        ITEM_SMALL(2)
+    }
+
+    var items = mutableListOf<Timetable>()
+        set(value) {
+            field = value
+            resetTimers()
+        }
+
+    var onClickListener: (Timetable) -> Unit = {}
+
+    var showWholeClassPlan: String = "no"
+
+    var showGroupsInPlan: Boolean = false
+
+    var showTimers: Boolean = false
+
+    private val timers = mutableMapOf<Int, Timer>()
+
+    fun resetTimers() {
+        Timber.d("Timetable timers (${timers.size}) reset")
+        with(timers) {
+            forEach { (_, timer) -> timer.cancel() }
+            clear()
+        }
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun getItemViewType(position: Int) = when {
+        !items[position].isStudentPlan && showWholeClassPlan == "small" -> ViewType.ITEM_SMALL.id
+        else -> ViewType.ITEM_NORMAL.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.ITEM_NORMAL.id -> ItemViewHolder(ItemTimetableBinding.inflate(inflater, parent, false))
+            ViewType.ITEM_SMALL.id -> SmallItemViewHolder(ItemTimetableSmallBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val lesson = items[position]
+
+        when (holder) {
+            is ItemViewHolder -> bindNormalView(holder.binding, lesson, position)
+            is SmallItemViewHolder -> bindSmallView(holder.binding, lesson)
+        }
+    }
+
+    private fun bindSmallView(binding: ItemTimetableSmallBinding, lesson: Timetable) {
+        with(binding) {
+            timetableSmallItemNumber.text = lesson.number.toString()
+            timetableSmallItemSubject.text = lesson.subject
+            timetableSmallItemTimeStart.text = lesson.start.toFormattedString("HH:mm")
+            timetableSmallItemRoom.text = lesson.room
+            timetableSmallItemTeacher.text = lesson.teacher
+
+            bindSubjectStyle(timetableSmallItemSubject, lesson)
+            bindSmallDescription(binding, lesson)
+            bindSmallColors(binding, lesson)
+
+            root.setOnClickListener { onClickListener(lesson) }
+        }
+    }
+
+    private fun bindNormalView(binding: ItemTimetableBinding, lesson: Timetable, position: Int) {
+        with(binding) {
+            timetableItemNumber.text = lesson.number.toString()
+            timetableItemSubject.text = lesson.subject
+            timetableItemGroup.text = lesson.group
+            timetableItemRoom.text = lesson.room
+            timetableItemTeacher.text = lesson.teacher
+            timetableItemTimeStart.text = lesson.start.toFormattedString("HH:mm")
+            timetableItemTimeFinish.text = lesson.end.toFormattedString("HH:mm")
+
+            bindSubjectStyle(timetableItemSubject, lesson)
+            bindNormalDescription(binding, lesson)
+            bindNormalColors(binding, lesson)
+
+            if (lesson.isStudentPlan && showTimers) {
+                timers[position] = timer(period = 1000) {
+                    if (ViewCompat.isAttachedToWindow(root)) {
+                        root.post { updateTimeLeft(binding, lesson, position) }
+                    }
+                }
+            } else {
+                // reset item on set changed
+                timetableItemTimeUntil.visibility = GONE
+                timetableItemTimeLeft.visibility = GONE
+            }
+
+            root.setOnClickListener { onClickListener(lesson) }
+        }
+    }
+
+    private fun getPreviousLesson(position: Int): LocalDateTime? {
+        return items.filter { it.isStudentPlan }.getOrNull(position - 1 - items.filterIndexed { i, item -> i < position && !item.isStudentPlan }.size)?.let {
+            if (!it.canceled && it.isStudentPlan) it.end
+            else null
+        }
+    }
+
+    private fun updateTimeLeft(binding: ItemTimetableBinding, lesson: Timetable, position: Int) {
+        val isShowTimeUntil = lesson.isShowTimeUntil(getPreviousLesson(position))
+        val until = lesson.until
+        val left = lesson.left
+        val isJustFinished = lesson.isJustFinished
+
+        with(binding) {
+            when {
+                // before lesson
+                isShowTimeUntil -> {
+                    Timber.d("Show time until lesson: $position")
+                    timetableItemTimeLeft.visibility = GONE
+                    with(timetableItemTimeUntil) {
+                        visibility = VISIBLE
+                        text = context.getString(R.string.timetable_time_until,
+                            if (until.seconds <= 60) {
+                                context.getString(R.string.timetable_seconds, until.seconds.toString(10))
+                            } else {
+                                context.getString(R.string.timetable_minutes, until.toMinutes().toString(10))
+                            }
+                        )
+                    }
+                }
+                // after lesson start
+                left != null -> {
+                    Timber.d("Show time left lesson: $position")
+                    timetableItemTimeUntil.visibility = GONE
+                    with(timetableItemTimeLeft) {
+                        visibility = VISIBLE
+                        text = context.getString(
+                            R.string.timetable_time_left,
+                            if (left.seconds < 60) {
+                                context.getString(R.string.timetable_seconds, left.seconds.toString(10))
+                            } else {
+                                context.getString(R.string.timetable_minutes, left.toMinutes().toString(10))
+                            }
+                        )
+                    }
+                }
+                // right after lesson finish
+                isJustFinished -> {
+                    Timber.d("Show just finished lesson: $position")
+                    timetableItemTimeUntil.visibility = GONE
+                    timetableItemTimeLeft.visibility = VISIBLE
+                    timetableItemTimeLeft.text = root.context.getString(R.string.timetable_finished)
+                }
+                else -> {
+                    timetableItemTimeUntil.visibility = GONE
+                    timetableItemTimeLeft.visibility = GONE
+                }
+            }
+        }
+    }
+
+    private fun bindSubjectStyle(subjectView: TextView, lesson: Timetable) {
+        subjectView.paintFlags = if (lesson.canceled) subjectView.paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
+        else subjectView.paintFlags and Paint.STRIKE_THRU_TEXT_FLAG.inv()
+    }
+
+    private fun bindSmallDescription(binding: ItemTimetableSmallBinding, lesson: Timetable) {
+        with(binding) {
+            if (lesson.info.isNotBlank() && !lesson.changes) {
+                timetableSmallItemDescription.visibility = VISIBLE
+                timetableSmallItemDescription.text = lesson.info
+
+                timetableSmallItemRoom.visibility = GONE
+                timetableSmallItemTeacher.visibility = GONE
+
+                timetableSmallItemDescription.setTextColor(root.context.getThemeAttrColor(
+                    if (lesson.canceled) R.attr.colorPrimary
+                    else R.attr.colorTimetableChange
+                ))
+            } else {
+                timetableSmallItemDescription.visibility = GONE
+                timetableSmallItemRoom.visibility = VISIBLE
+                timetableSmallItemTeacher.visibility = VISIBLE
+            }
+        }
+    }
+
+    private fun bindNormalDescription(binding: ItemTimetableBinding, lesson: Timetable) {
+        with(binding) {
+            if (lesson.info.isNotBlank() && !lesson.changes) {
+                timetableItemDescription.visibility = VISIBLE
+                timetableItemDescription.text = lesson.info
+
+                timetableItemRoom.visibility = GONE
+                timetableItemGroup.visibility = GONE
+                timetableItemTeacher.visibility = GONE
+
+                timetableItemDescription.setTextColor(root.context.getThemeAttrColor(
+                    if (lesson.canceled) R.attr.colorPrimary
+                    else R.attr.colorTimetableChange
+                ))
+            } else {
+                timetableItemDescription.visibility = GONE
+                timetableItemRoom.visibility = VISIBLE
+                timetableItemGroup.visibility = if (showGroupsInPlan && lesson.group.isNotBlank()) VISIBLE else GONE
+                timetableItemTeacher.visibility = VISIBLE
+            }
+        }
+    }
+
+    private fun bindSmallColors(binding: ItemTimetableSmallBinding, lesson: Timetable) {
+        with(binding) {
+            if (lesson.canceled) {
+                updateNumberAndSubjectCanceledColor(timetableSmallItemNumber, timetableSmallItemSubject)
+            } else {
+                updateNumberColor(timetableSmallItemNumber, lesson)
+                updateSubjectColor(timetableSmallItemSubject, lesson)
+                updateRoomColor(timetableSmallItemRoom, lesson)
+                updateTeacherColor(timetableSmallItemTeacher, lesson)
+            }
+        }
+    }
+
+    private fun bindNormalColors(binding: ItemTimetableBinding, lesson: Timetable) {
+        with(binding) {
+            if (lesson.canceled) {
+                updateNumberAndSubjectCanceledColor(timetableItemNumber, timetableItemSubject)
+            } else {
+                updateNumberColor(timetableItemNumber, lesson)
+                updateSubjectColor(timetableItemSubject, lesson)
+                updateRoomColor(timetableItemRoom, lesson)
+                updateTeacherColor(timetableItemTeacher, lesson)
+            }
+        }
+    }
+
+    private fun updateNumberAndSubjectCanceledColor(numberView: TextView, subjectView: TextView) {
+        numberView.setTextColor(numberView.context.getThemeAttrColor(R.attr.colorPrimary))
+        subjectView.setTextColor(subjectView.context.getThemeAttrColor(R.attr.colorPrimary))
+    }
+
+    private fun updateNumberColor(numberView: TextView, lesson: Timetable) {
+        numberView.setTextColor(numberView.context.getThemeAttrColor(
+            if (lesson.changes || lesson.info.isNotBlank()) R.attr.colorTimetableChange
+            else android.R.attr.textColorPrimary
+        ))
+    }
+
+    private fun updateSubjectColor(subjectView: TextView, lesson: Timetable) {
+        subjectView.setTextColor(subjectView.context.getThemeAttrColor(
+            if (lesson.subjectOld.isNotBlank() && lesson.subjectOld != lesson.subject) R.attr.colorTimetableChange
+            else android.R.attr.textColorPrimary
+        ))
+    }
+
+    private fun updateRoomColor(roomView: TextView, lesson: Timetable) {
+        roomView.setTextColor(roomView.context.getThemeAttrColor(
+            if (lesson.roomOld.isNotBlank() && lesson.roomOld != lesson.room) R.attr.colorTimetableChange
+            else android.R.attr.textColorSecondary
+        ))
+    }
+
+    private fun updateTeacherColor(teacherTextView: TextView, lesson: Timetable) {
+        teacherTextView.setTextColor(teacherTextView.context.getThemeAttrColor(
+            if (lesson.teacherOld.isNotBlank() && lesson.teacherOld != lesson.teacher) R.attr.colorTimetableChange
+            else android.R.attr.textColorSecondary
+        ))
+    }
+
+    private class ItemViewHolder(val binding: ItemTimetableBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class SmallItemViewHolder(val binding: ItemTimetableSmallBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableDialog.kt
index 7e286c923..7744515d9 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableDialog.kt
@@ -11,21 +11,24 @@ import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.databinding.DialogTimetableBinding
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.synthetic.main.dialog_timetable.*
-import org.threeten.bp.LocalDateTime
+import java.time.LocalDateTime
 
 class TimetableDialog : DialogFragment() {
 
+    private var binding: DialogTimetableBinding by lifecycleAwareVariable()
+
     private lateinit var lesson: Timetable
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
 
-        fun newInstance(exam: Timetable): TimetableDialog {
-            return TimetableDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
-            }
+        fun newInstance(exam: Timetable) = TimetableDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
         }
     }
 
@@ -37,14 +40,16 @@ class TimetableDialog : DialogFragment() {
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_timetable, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogTimetableBinding.inflate(inflater).apply { binding = this }.root
 
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        lesson.run {
+        with(lesson) {
             setInfo(info, teacher, canceled, changes)
             setSubject(subject, subjectOld)
             setTeacher(teacher, teacherOld)
@@ -53,65 +58,90 @@ class TimetableDialog : DialogFragment() {
             setTime(start, end)
         }
 
-        timetableDialogClose.setOnClickListener { dismiss() }
+        binding.timetableDialogClose.setOnClickListener { dismiss() }
     }
 
     private fun setSubject(subject: String, subjectOld: String) {
-        timetableDialogSubject.text = subject
-        if (subjectOld.isNotBlank() && subjectOld != subject) {
-            timetableDialogSubject.run {
-                paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
-                text = subjectOld
-            }
-            timetableDialogSubjectNew.run {
-                visibility = VISIBLE
-                text = subject
+        with(binding) {
+            timetableDialogSubject.text = subject
+            if (subjectOld.isNotBlank() && subjectOld != subject) {
+                timetableDialogSubject.run {
+                    paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
+                    text = subjectOld
+                }
+                timetableDialogSubjectNew.run {
+                    visibility = VISIBLE
+                    text = subject
+                }
             }
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun setInfo(info: String, teacher: String, canceled: Boolean, changes: Boolean) {
-        when {
-            info.isNotBlank() -> timetableDialogChanges.text = when {
-                canceled && !changes -> "Lekcja odwołana: $info"
-                changes && teacher.isNotBlank() -> "Zastępstwo: $teacher"
-                changes && teacher.isBlank() -> "Zastępstwo, ${info.decapitalize()}"
-                else -> info.capitalize()
-            }
-            else -> {
-                timetableDialogChangesTitle.visibility = GONE
-                timetableDialogChanges.visibility = GONE
+        with(binding) {
+            when {
+                info.isNotBlank() -> {
+                    if (canceled) {
+                        timetableDialogChangesTitle.setTextColor(
+                            requireContext().getThemeAttrColor(
+                                R.attr.colorPrimary
+                            )
+                        )
+                        timetableDialogChanges.setTextColor(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+                    } else {
+                        timetableDialogChangesTitle.setTextColor(
+                            requireContext().getThemeAttrColor(
+                                R.attr.colorTimetableChange
+                            )
+                        )
+                        timetableDialogChanges.setTextColor(requireContext().getThemeAttrColor(R.attr.colorTimetableChange))
+                    }
+
+                    timetableDialogChanges.text = when {
+                        canceled && !changes -> "Lekcja odwołana: $info"
+                        changes && teacher.isNotBlank() -> "Zastępstwo: $teacher"
+                        changes && teacher.isBlank() -> "Zastępstwo, ${info.decapitalize()}"
+                        else -> info.capitalize()
+                    }
+                }
+                else -> {
+                    timetableDialogChangesTitle.visibility = GONE
+                    timetableDialogChanges.visibility = GONE
+                }
             }
         }
     }
 
     private fun setTeacher(teacher: String, teacherOld: String) {
-        when {
-            teacherOld.isNotBlank() && teacherOld != teacher -> {
-                timetableDialogTeacher.run {
-                    visibility = VISIBLE
-                    paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
-                    text = teacherOld
-                }
-                if (teacher.isNotBlank()) {
-                    timetableDialogTeacherNew.run {
+        with(binding) {
+            when {
+                teacherOld.isNotBlank() && teacherOld != teacher -> {
+                    timetableDialogTeacher.run {
                         visibility = VISIBLE
-                        text = teacher
+                        paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
+                        text = teacherOld
+                    }
+                    if (teacher.isNotBlank()) {
+                        timetableDialogTeacherNew.run {
+                            visibility = VISIBLE
+                            text = teacher
+                        }
                     }
                 }
-            }
-            teacher.isNotBlank() -> timetableDialogTeacher.text = teacher
-            else -> {
-                timetableDialogTeacherTitle.visibility = GONE
-                timetableDialogTeacher.visibility = GONE
+                teacher.isNotBlank() -> timetableDialogTeacher.text = teacher
+                else -> {
+                    timetableDialogTeacherTitle.visibility = GONE
+                    timetableDialogTeacher.visibility = GONE
+                }
             }
         }
     }
 
     private fun setGroup(group: String) {
-        group.let {
+        with(binding) {
             when {
-                it.isNotBlank() -> timetableDialogGroup.text = it
+                group.isNotBlank() -> timetableDialogGroup.text = group
                 else -> {
                     timetableDialogGroupTitle.visibility = GONE
                     timetableDialogGroup.visibility = GONE
@@ -121,30 +151,33 @@ class TimetableDialog : DialogFragment() {
     }
 
     private fun setRoom(room: String, roomOld: String) {
-        when {
-            roomOld.isNotBlank() && roomOld != room -> {
-                timetableDialogRoom.run {
-                    visibility = VISIBLE
-                    paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
-                    text = roomOld
-                }
-                if (room.isNotBlank()) {
-                    timetableDialogRoomNew.run {
+        with(binding) {
+            when {
+                roomOld.isNotBlank() && roomOld != room -> {
+                    timetableDialogRoom.run {
                         visibility = VISIBLE
-                        text = room
+                        paintFlags = paintFlags or STRIKE_THRU_TEXT_FLAG
+                        text = roomOld
+                    }
+                    if (room.isNotBlank()) {
+                        timetableDialogRoomNew.run {
+                            visibility = VISIBLE
+                            text = room
+                        }
                     }
                 }
-            }
-            room.isNotBlank() -> timetableDialogRoom.text = room
-            else -> {
-                timetableDialogRoomTitle.visibility = GONE
-                timetableDialogRoom.visibility = GONE
+                room.isNotBlank() -> timetableDialogRoom.text = room
+                else -> {
+                    timetableDialogRoomTitle.visibility = GONE
+                    timetableDialogRoom.visibility = GONE
+                }
             }
         }
     }
 
     @SuppressLint("SetTextI18n")
     private fun setTime(start: LocalDateTime, end: LocalDateTime) {
-        timetableDialogTime.text = "${start.toFormattedString("HH:mm")} - ${end.toFormattedString("HH:mm")}"
+        binding.timetableDialogTime.text =
+            "${start.toFormattedString("HH:mm")} - ${end.toFormattedString("HH:mm")}"
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
index a580a417d..91f09ccc4 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt
@@ -1,35 +1,39 @@
 package io.github.wulkanowy.ui.modules.timetable
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import android.view.View.GONE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.databinding.FragmentTimetableBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.timetable.additional.AdditionalLessonsFragment
 import io.github.wulkanowy.ui.modules.timetable.completed.CompletedLessonsFragment
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
 import io.github.wulkanowy.utils.dpToPx
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_timetable.*
+import io.github.wulkanowy.utils.getThemeAttrColor
+import java.time.LocalDate
 import javax.inject.Inject
 
-class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
-    MainView.TitledView {
+@AndroidEntryPoint
+class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragment_timetable),
+    TimetableView, MainView.MainChildView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: TimetablePresenter
 
     @Inject
-    lateinit var timetableAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var timetableAdapter: TimetableAdapter
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
@@ -39,9 +43,7 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
 
     override val titleStringId get() = R.string.timetable_title
 
-    override val roomString get() = getString(R.string.timetable_room)
-
-    override val isViewEmpty get() = timetableAdapter.isEmpty
+    override val isViewEmpty get() = timetableAdapter.items.isEmpty()
 
     override val currentStackSize get() = (activity as? MainActivity)?.currentStackSize
 
@@ -50,33 +52,35 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
         setHasOptionsMenu(true)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_timetable, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = timetableRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentTimetableBinding.bind(view)
+        messageContainer = binding.timetableRecycler
         presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
     }
 
     override fun initView() {
-        timetableAdapter.setOnItemClickListener(presenter::onTimetableItemSelected)
+        timetableAdapter.onClickListener = presenter::onTimetableItemSelected
 
-        with(timetableRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.timetableRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = timetableAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false)
-            )
+            addItemDecoration(DividerItemDecoration(context))
         }
 
-        timetableSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-        timetablePreviousButton.setOnClickListener { presenter.onPreviousDay() }
-        timetableNextButton.setOnClickListener { presenter.onNextDay() }
+        with(binding) {
+            timetableSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            timetableSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            timetableSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            timetableErrorRetry.setOnClickListener { presenter.onRetry() }
+            timetableErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
-        timetableNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            timetablePreviousButton.setOnClickListener { presenter.onPreviousDay() }
+            timetableNavDate.setOnClickListener { presenter.onPickDate() }
+            timetableNextButton.setOnClickListener { presenter.onNextDay() }
+
+            timetableNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
     }
 
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
@@ -84,28 +88,40 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        return if (item.itemId == R.id.timetableMenuCompletedLessons) presenter.onCompletedLessonsSwitchSelected()
-        else false
+        return when (item.itemId) {
+            R.id.timetableMenuAdditionalLessons -> presenter.onAdditionalLessonsSwitchSelected()
+            R.id.timetableMenuCompletedLessons -> presenter.onCompletedLessonsSwitchSelected()
+            else -> false
+        }
     }
 
-    override fun updateData(data: List<TimetableItem>) {
-        timetableAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<Timetable>, showWholeClassPlanType: String, showGroupsInPlanType: Boolean, showTimetableTimers: Boolean) {
+        with(timetableAdapter) {
+            items = data.toMutableList()
+            showTimers = showTimetableTimers
+            showWholeClassPlan = showWholeClassPlanType
+            showGroupsInPlan = showGroupsInPlanType
+            notifyDataSetChanged()
+        }
     }
 
     override fun clearData() {
-        timetableAdapter.clear()
+        with(timetableAdapter) {
+            items = mutableListOf()
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateNavigationDay(date: String) {
-        timetableNavDate.text = date
+        binding.timetableNavDate.text = date
     }
 
-    override fun hideRefresh() {
-        timetableSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.timetableSwipe.isRefreshing = show
     }
 
     override fun resetView() {
-        timetableRecycler.smoothScrollToPosition(0)
+        binding.timetableRecycler.smoothScrollToPosition(0)
     }
 
     override fun onFragmentReselected() {
@@ -117,33 +133,61 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
     }
 
     override fun showEmpty(show: Boolean) {
-        timetableEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        binding.timetableEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.timetableError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.timetableErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        timetableProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.timetableProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        timetableSwipe.isEnabled = enable
+        binding.timetableSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        timetableRecycler.visibility = if (show) View.VISIBLE else View.GONE
+        binding.timetableRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showPreButton(show: Boolean) {
-        timetablePreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.timetablePreviousButton.visibility = if (show) VISIBLE else View.INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        timetableNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.timetableNextButton.visibility = if (show) VISIBLE else View.INVISIBLE
     }
 
     override fun showTimetableDialog(lesson: Timetable) {
         (activity as? MainActivity)?.showDialogFragment(TimetableDialog.newInstance(lesson))
     }
 
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            vibrate(false)
+            show(this@TimetableFragment.parentFragmentManager, null)
+        }
+    }
+
+    override fun openAdditionalLessonsView() {
+        (activity as? MainActivity)?.pushView(AdditionalLessonsFragment.newInstance())
+    }
+
     override fun openCompletedLessonsView() {
         (activity as? MainActivity)?.pushView(CompletedLessonsFragment.newInstance())
     }
@@ -154,6 +198,7 @@ class TimetableFragment : BaseFragment(), TimetableView, MainView.MainChildView,
     }
 
     override fun onDestroyView() {
+        timetableAdapter.resetTimers()
         presenter.onDetachView()
         super.onDestroyView()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableItem.kt
deleted file mode 100644
index c721401f3..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableItem.kt
+++ /dev/null
@@ -1,61 +0,0 @@
-package io.github.wulkanowy.ui.modules.timetable
-
-import android.annotation.SuppressLint
-import android.graphics.Paint
-import android.view.View
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.utils.toFormattedString
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_timetable.*
-
-class TimetableItem(val lesson: Timetable, private val roomText: String) :
-    AbstractFlexibleItem<TimetableItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_timetable
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>): ViewHolder {
-        return ViewHolder(view, adapter)
-    }
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>?) {
-        holder.apply {
-            timetableItemNumber.text = lesson.number.toString()
-            timetableItemSubject.text = lesson.subject
-            timetableItemRoom.text = if (lesson.room.isNotBlank()) "$roomText ${lesson.room}" else ""
-            timetableItemTime.text = "${lesson.start.toFormattedString("HH:mm")} - ${lesson.end.toFormattedString("HH:mm")}"
-            timetableItemAlert.visibility = if (lesson.changes || lesson.canceled) VISIBLE else GONE
-            timetableItemSubject.paintFlags =
-                if (lesson.canceled) timetableItemSubject.paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
-                else timetableItemSubject.paintFlags and Paint.STRIKE_THRU_TEXT_FLAG.inv()
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as TimetableItem
-
-        if (lesson != other.lesson) return false
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = lesson.hashCode()
-        result = 31 * result + lesson.id.toInt()
-        return result
-    }
-
-    class ViewHolder(val view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter), LayoutContainer {
-        override val containerView: View
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
index 54439e0ac..3cd15bcfd 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
@@ -1,62 +1,93 @@
 package io.github.wulkanowy.ui.modules.timetable
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
+import android.annotation.SuppressLint
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.TimetableRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
 import io.github.wulkanowy.utils.toFormattedString
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDate.ofEpochDay
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.util.concurrent.TimeUnit.MILLISECONDS
+import java.time.LocalDate
+import java.time.LocalDate.now
+import java.time.LocalDate.of
+import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class TimetablePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val timetableRepository: TimetableRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<TimetableView>(errorHandler, studentRepository, schedulers) {
+    private val prefRepository: PreferencesRepository,
+    private val analytics: AnalyticsHelper,
+) : BasePresenter<TimetableView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: TimetableView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Timetable was initialized")
-        loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        loadData()
         if (currentDate.isHolidays) setBaseDateOnHolidays()
-        reloadView()
     }
 
     fun onPreviousDay() {
-        loadData(currentDate.previousSchoolDay)
-        reloadView()
+        reloadView(currentDate.previousSchoolDay)
+        loadData()
     }
 
     fun onNextDay() {
-        loadData(currentDate.nextSchoolDay)
-        reloadView()
+        reloadView(currentDate.nextSchoolDay)
+        loadData()
+    }
+
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        reloadView(of(year, month, day))
+        loadData()
     }
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the timetable")
-        loadData(currentDate, true)
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
     }
 
     fun onViewReselected() {
@@ -65,19 +96,22 @@ class TimetablePresenter @Inject constructor(
             if (view.currentStackSize == 1) {
                 baseDate.also {
                     if (currentDate != it) {
-                        loadData(it)
-                        reloadView()
+                        reloadView(it)
+                        loadData()
                     } else if (!view.isViewEmpty) view.resetView()
                 }
             } else view.popView()
         }
     }
 
-    fun onTimetableItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is TimetableItem) {
-            Timber.i("Select timetable item ${item.lesson.id}")
-            view?.showTimetableDialog(item.lesson)
-        }
+    fun onTimetableItemSelected(lesson: Timetable) {
+        Timber.i("Select timetable item ${lesson.id}")
+        view?.showTimetableDialog(lesson)
+    }
+
+    fun onAdditionalLessonsSwitchSelected(): Boolean {
+        view?.openAdditionalLessonsView()
+        return true
     }
 
     fun onCompletedLessonsSwitchSelected(): Boolean {
@@ -86,72 +120,111 @@ class TimetablePresenter @Inject constructor(
     }
 
     private fun setBaseDateOnHolidays() {
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-                currentDate = baseDate
-                reloadNavigation()
-            }) {
-                Timber.i("Loading semester result: An exception occurred")
-            })
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
     }
 
-    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading timetable data started")
-        currentDate = date
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .delay(200, MILLISECONDS)
-                .flatMap { timetableRepository.getTimetable(it, currentDate, currentDate, forceRefresh) }
-                .map { items -> items.map { TimetableItem(it, view?.roomString.orEmpty()) } }
-                .map { items -> items.sortedBy { it.lesson.number } }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            timetableRepository.getTimetable(student, semester, currentDate, currentDate, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data?.first.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data!!.first)
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading timetable result: Success")
                     view?.apply {
-                        updateData(it)
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
+                        updateData(it.data!!.first)
+                        showEmpty(it.data.first.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.first.isNotEmpty())
                     }
-                    analytics.logEvent("load_timetable", "items" to it.size, "force_refresh" to forceRefresh)
-                }) {
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "timetable",
+                        "items" to it.data!!.first.size
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Loading timetable result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    errorHandler.dispatch(it)
-                })
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun updateData(lessons: List<Timetable>) {
+        view?.updateData(
+            showWholeClassPlanType = prefRepository.showWholeClassPlan,
+            showGroupsInPlanType = prefRepository.showGroupsInPlan,
+            showTimetableTimers = prefRepository.showTimetableTimers,
+            data = createItems(lessons)
+        )
+    }
+
+    private fun createItems(items: List<Timetable>) = items.filter { item ->
+        if (prefRepository.showWholeClassPlan == "no") item.isStudentPlan else true
+    }.sortedWith(compareBy({ item -> item.number }, { item -> !item.isStudentPlan }))
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun reloadView() {
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+
         Timber.i("Reload timetable view with the date ${currentDate.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun reloadNavigation() {
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)
             showNextButton(!currentDate.plusDays(1).isHolidays)
-            updateNavigationDay(currentDate.toFormattedString("EEEE\ndd.MM.YYYY").capitalize())
+            updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalize())
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt
index 80a2f9b8e..c6bceb9e8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt
@@ -2,29 +2,32 @@ package io.github.wulkanowy.ui.modules.timetable
 
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.ui.base.BaseView
+import java.time.LocalDate
 
 interface TimetableView : BaseView {
 
-    val roomString: String
-
     val isViewEmpty: Boolean
 
     val currentStackSize: Int?
 
     fun initView()
 
-    fun updateData(data: List<TimetableItem>)
+    fun updateData(data: List<Timetable>, showWholeClassPlanType: String, showGroupsInPlanType: Boolean, showTimetableTimers: Boolean)
 
     fun updateNavigationDay(date: String)
 
     fun clearData()
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun resetView()
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
@@ -37,7 +40,11 @@ interface TimetableView : BaseView {
 
     fun showTimetableDialog(lesson: Timetable)
 
+    fun showDatePickerDialog(currentDate: LocalDate)
+
     fun popView()
 
+    fun openAdditionalLessonsView()
+
     fun openCompletedLessonsView()
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsAdapter.kt
new file mode 100644
index 000000000..fdc8b8874
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsAdapter.kt
@@ -0,0 +1,35 @@
+package io.github.wulkanowy.ui.modules.timetable.additional
+
+import android.annotation.SuppressLint
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.databinding.ItemTimetableAdditionalBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class AdditionalLessonsAdapter @Inject constructor() :
+    RecyclerView.Adapter<AdditionalLessonsAdapter.ItemViewHolder>() {
+
+    var items = emptyList<TimetableAdditional>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemTimetableAdditionalBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            additionalLessonItemTime.text = "${item.start.toFormattedString("HH:mm")} - ${item.end.toFormattedString("HH:mm")}"
+            additionalLessonItemSubject.text = item.subject
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemTimetableAdditionalBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
new file mode 100644
index 000000000..7982387df
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt
@@ -0,0 +1,149 @@
+package io.github.wulkanowy.ui.modules.timetable.additional
+
+import android.os.Bundle
+import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.databinding.FragmentTimetableAdditionalBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.getThemeAttrColor
+import java.time.LocalDate
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AdditionalLessonsFragment :
+    BaseFragment<FragmentTimetableAdditionalBinding>(R.layout.fragment_timetable_additional),
+    AdditionalLessonsView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AdditionalLessonsPresenter
+
+    @Inject
+    lateinit var additionalLessonsAdapter: AdditionalLessonsAdapter
+
+    companion object {
+        private const val SAVED_DATE_KEY = "CURRENT_DATE"
+
+        fun newInstance() = AdditionalLessonsFragment()
+    }
+
+    override val titleStringId get() = R.string.additional_lessons_title
+
+    override val isViewEmpty get() = additionalLessonsAdapter.items.isEmpty()
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentTimetableAdditionalBinding.bind(view)
+        messageContainer = binding.additionalLessonsRecycler
+        presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
+    }
+
+    override fun initView() {
+        with(binding.additionalLessonsRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = additionalLessonsAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            additionalLessonsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            additionalLessonsSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            additionalLessonsSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            additionalLessonsErrorRetry.setOnClickListener { presenter.onRetry() }
+            additionalLessonsErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
+            additionalLessonsPreviousButton.setOnClickListener { presenter.onPreviousDay() }
+            additionalLessonsNavDate.setOnClickListener { presenter.onPickDate() }
+            additionalLessonsNextButton.setOnClickListener { presenter.onNextDay() }
+
+            additionalLessonsNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
+    }
+
+    override fun updateData(data: List<TimetableAdditional>) {
+        with(additionalLessonsAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearData() {
+        with(additionalLessonsAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun updateNavigationDay(date: String) {
+        binding.additionalLessonsNavDate.text = date
+    }
+
+    override fun hideRefresh() {
+        binding.additionalLessonsSwipe.isRefreshing = false
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.additionalLessonsEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.additionalLessonsError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.additionalLessonsErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.additionalLessonsProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.additionalLessonsSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.additionalLessonsRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showPreButton(show: Boolean) {
+        binding.additionalLessonsPreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+    }
+
+    override fun showNextButton(show: Boolean) {
+        binding.additionalLessonsNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+    }
+
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            vibrate(false)
+            show(this@AdditionalLessonsFragment.parentFragmentManager, null)
+        }
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsPresenter.kt
new file mode 100644
index 000000000..21997b33f
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsPresenter.kt
@@ -0,0 +1,170 @@
+package io.github.wulkanowy.ui.modules.timetable.additional
+
+import android.annotation.SuppressLint
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.TimetableRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
+import io.github.wulkanowy.utils.isHolidays
+import io.github.wulkanowy.utils.nextOrSameSchoolDay
+import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.toFormattedString
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import java.time.LocalDate
+import javax.inject.Inject
+
+class AdditionalLessonsPresenter @Inject constructor(
+    studentRepository: StudentRepository,
+    errorHandler: ErrorHandler,
+    private val semesterRepository: SemesterRepository,
+    private val timetableRepository: TimetableRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<AdditionalLessonsView>(errorHandler, studentRepository) {
+
+    private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay
+
+    lateinit var currentDate: LocalDate
+        private set
+
+    private lateinit var lastError: Throwable
+
+    fun onAttachView(view: AdditionalLessonsView, date: Long?) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Additional lessons was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData(LocalDate.ofEpochDay(date ?: baseDate.toEpochDay()))
+        if (currentDate.isHolidays) setBaseDateOnHolidays()
+        reloadView()
+    }
+
+    fun onPreviousDay() {
+        loadData(currentDate.previousSchoolDay)
+        reloadView()
+    }
+
+    fun onNextDay() {
+        loadData(currentDate.nextSchoolDay)
+        reloadView()
+    }
+
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        loadData(LocalDate.of(year, month, day))
+        reloadView()
+    }
+
+    fun onSwipeRefresh() {
+        Timber.i("Force refreshing the additional lessons")
+        loadData(currentDate, true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(currentDate, true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun setBaseDateOnHolidays() {
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
+    }
+
+    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+        currentDate = date
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            timetableRepository.getTimetable(student, semester, date, date, forceRefresh, true)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading additional lessons data started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading additional lessons lessons result: Success")
+                    view?.apply {
+                        updateData(it.data!!.second.sortedBy { item -> item.date })
+                        showEmpty(it.data.second.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.second.isNotEmpty())
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "additional_lessons",
+                        "items" to it.data!!.second.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading additional lessons result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    private fun reloadView() {
+        Timber.i("Reload additional lessons view with the date ${currentDate.toFormattedString()}")
+        view?.apply {
+            showProgress(true)
+            enableSwipe(false)
+            showContent(false)
+            showEmpty(false)
+            showErrorView(false)
+            clearData()
+            reloadNavigation()
+        }
+    }
+
+    @SuppressLint("DefaultLocale")
+    private fun reloadNavigation() {
+        view?.apply {
+            showPreButton(!currentDate.minusDays(1).isHolidays)
+            showNextButton(!currentDate.plusDays(1).isHolidays)
+            updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalize())
+        }
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsView.kt
new file mode 100644
index 000000000..97eb2ae7b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsView.kt
@@ -0,0 +1,38 @@
+package io.github.wulkanowy.ui.modules.timetable.additional
+
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.ui.base.BaseView
+import java.time.LocalDate
+
+interface AdditionalLessonsView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<TimetableAdditional>)
+
+    fun clearData()
+
+    fun updateNavigationDay(date: String)
+
+    fun hideRefresh()
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showPreButton(show: Boolean)
+
+    fun showNextButton(show: Boolean)
+
+    fun showDatePickerDialog(currentDate: LocalDate)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonDialog.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonDialog.kt
index 8f7b1ec5b..258fc59df 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonDialog.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonDialog.kt
@@ -1,26 +1,26 @@
 package io.github.wulkanowy.ui.modules.timetable.completed
 
-import android.annotation.SuppressLint
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
-import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.CompletedLesson
-import kotlinx.android.synthetic.main.dialog_lesson_completed.*
+import io.github.wulkanowy.databinding.DialogLessonCompletedBinding
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 
 class CompletedLessonDialog : DialogFragment() {
 
+    private var binding: DialogLessonCompletedBinding by lifecycleAwareVariable()
+
     private lateinit var completedLesson: CompletedLesson
 
     companion object {
+
         private const val ARGUMENT_KEY = "Item"
 
-        fun newInstance(exam: CompletedLesson): CompletedLessonDialog {
-            return CompletedLessonDialog().apply {
-                arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
-            }
+        fun newInstance(exam: CompletedLesson) = CompletedLessonDialog().apply {
+            arguments = Bundle().apply { putSerializable(ARGUMENT_KEY, exam) }
         }
     }
 
@@ -28,46 +28,55 @@ class CompletedLessonDialog : DialogFragment() {
         super.onCreate(savedInstanceState)
         setStyle(STYLE_NO_TITLE, 0)
         arguments?.run {
-            completedLesson = getSerializable(CompletedLessonDialog.ARGUMENT_KEY) as CompletedLesson
+            completedLesson = getSerializable(ARGUMENT_KEY) as CompletedLesson
         }
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_lesson_completed, container, false)
-    }
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ) = DialogLessonCompletedBinding.inflate(inflater).apply { binding = this }.root
 
-    @SuppressLint("SetTextI18n")
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
 
-        completedLessonDialogSubject.text = completedLesson.subject
-        completedLessonDialogTopic.text = completedLesson.topic
-        completedLessonDialogTeacher.text = completedLesson.teacher
-        completedLessonDialogAbsence.text = completedLesson.absence
-        completedLessonDialogChanges.text = completedLesson.substitution
-        completedLessonDialogResources.text = completedLesson.resources
+        with(binding) {
+            completedLessonDialogSubject.text = completedLesson.subject
+            completedLessonDialogTopic.text = completedLesson.topic
+            completedLessonDialogTeacher.text = completedLesson.teacher
+            completedLessonDialogAbsence.text = completedLesson.absence
+            completedLessonDialogChanges.text = completedLesson.substitution
+            completedLessonDialogResources.text = completedLesson.resources
+        }
 
         completedLesson.substitution.let {
             if (it.isBlank()) {
-                completedLessonDialogChangesTitle.visibility = View.GONE
-                completedLessonDialogChanges.visibility = View.GONE
-            } else completedLessonDialogChanges.text = it
+                with(binding) {
+                    completedLessonDialogChangesTitle.visibility = View.GONE
+                    completedLessonDialogChanges.visibility = View.GONE
+                }
+            } else binding.completedLessonDialogChanges.text = it
         }
 
         completedLesson.absence.let {
             if (it.isBlank()) {
-                completedLessonDialogAbsenceTitle.visibility = View.GONE
-                completedLessonDialogAbsence.visibility = View.GONE
-            } else completedLessonDialogAbsence.text = it
+                with(binding) {
+                    completedLessonDialogAbsenceTitle.visibility = View.GONE
+                    completedLessonDialogAbsence.visibility = View.GONE
+                }
+            } else binding.completedLessonDialogAbsence.text = it
         }
 
         completedLesson.resources.let {
             if (it.isBlank()) {
-                completedLessonDialogResourcesTitle.visibility = View.GONE
-                completedLessonDialogResources.visibility = View.GONE
-            } else completedLessonDialogResources.text = it
+                with(binding) {
+                    completedLessonDialogResourcesTitle.visibility = View.GONE
+                    completedLessonDialogResources.visibility = View.GONE
+                }
+            } else binding.completedLessonDialogResources.text = it
         }
 
-        completedLessonDialogClose.setOnClickListener { dismiss() }
+        binding.completedLessonDialogClose.setOnClickListener { dismiss() }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonItem.kt
deleted file mode 100644
index 716903f55..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonItem.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package io.github.wulkanowy.ui.modules.timetable.completed
-
-import android.view.View
-import android.view.View.GONE
-import android.view.View.VISIBLE
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_completed_lesson.*
-
-class CompletedLessonItem(val completedLesson: CompletedLesson) : AbstractFlexibleItem<CompletedLessonItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_completed_lesson
-
-    override fun createViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?): CompletedLessonItem.ViewHolder {
-        return CompletedLessonItem.ViewHolder(view, adapter)
-    }
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>?, holder: CompletedLessonItem.ViewHolder?, position: Int, payloads: MutableList<Any>?) {
-        holder?.apply {
-            completedLessonItemNumber.text = completedLesson.number.toString()
-            completedLessonItemSubject.text = completedLesson.subject
-            completedLessonItemTopic.text = completedLesson.topic
-            completedLessonItemAlert.visibility = if (completedLesson.substitution.isNotEmpty()) VISIBLE else GONE
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as CompletedLessonItem
-
-        if (completedLesson != other.completedLesson) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        return completedLesson.hashCode()
-    }
-
-    class ViewHolder(view: View?, adapter: FlexibleAdapter<IFlexible<*>>?) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View?
-            get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsAdapter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsAdapter.kt
new file mode 100644
index 000000000..3399a8a23
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsAdapter.kt
@@ -0,0 +1,45 @@
+package io.github.wulkanowy.ui.modules.timetable.completed
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.databinding.ItemCompletedLessonBinding
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+class CompletedLessonsAdapter @Inject constructor() :
+    RecyclerView.Adapter<CompletedLessonsAdapter.ItemViewHolder>() {
+
+    var items = emptyList<CompletedLesson>()
+
+    var onClickListener: (CompletedLesson) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemCompletedLessonBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            completedLessonItemNumber.text = item.number.toString()
+            completedLessonItemNumber.setTextColor(root.context.getThemeAttrColor(
+                if (item.substitution.isNotEmpty()) R.attr.colorTimetableChange
+                else android.R.attr.textColorPrimary
+            ))
+            completedLessonItemSubject.text = item.subject
+            completedLessonItemTopic.text = item.topic
+            completedLessonItemAlert.visibility = if (item.substitution.isNotEmpty()) View.VISIBLE else View.GONE
+
+            root.setOnClickListener { onClickListener(item) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemCompletedLessonBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsErrorHandler.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsErrorHandler.kt
index ed11607cd..00ba0bad8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsErrorHandler.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsErrorHandler.kt
@@ -1,15 +1,11 @@
 package io.github.wulkanowy.ui.modules.timetable.completed
 
 import android.content.res.Resources
-import com.readystatesoftware.chuck.api.ChuckCollector
-import io.github.wulkanowy.api.interceptor.FeatureDisabledException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
 import io.github.wulkanowy.ui.base.ErrorHandler
 import javax.inject.Inject
 
-class CompletedLessonsErrorHandler @Inject constructor(
-    resources: Resources,
-    chuckCollector: ChuckCollector
-) : ErrorHandler(resources, chuckCollector) {
+class CompletedLessonsErrorHandler @Inject constructor(resources: Resources) : ErrorHandler(resources) {
 
     var onFeatureDisabled: () -> Unit = {}
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
index c7b5c6ca1..b6041b8ac 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsFragment.kt
@@ -1,30 +1,37 @@
 package io.github.wulkanowy.ui.modules.timetable.completed
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import android.view.View.GONE
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.databinding.FragmentTimetableCompletedBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getCompatDrawable
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_timetable_completed.*
+import io.github.wulkanowy.utils.getThemeAttrColor
+import java.time.LocalDate
 import javax.inject.Inject
 
-class CompletedLessonsFragment : BaseFragment(), CompletedLessonsView, MainView.TitledView {
+@AndroidEntryPoint
+class CompletedLessonsFragment :
+    BaseFragment<FragmentTimetableCompletedBinding>(R.layout.fragment_timetable_completed),
+    CompletedLessonsView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: CompletedLessonsPresenter
 
     @Inject
-    lateinit var completedLessonsAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var completedLessonsAdapter: CompletedLessonsAdapter
 
     companion object {
         private const val SAVED_DATE_KEY = "CURRENT_DATE"
@@ -34,82 +41,120 @@ class CompletedLessonsFragment : BaseFragment(), CompletedLessonsView, MainView.
 
     override val titleStringId get() = R.string.completed_lessons_title
 
-    override val isViewEmpty get() = completedLessonsAdapter.isEmpty
+    override val isViewEmpty get() = completedLessonsAdapter.items.isEmpty()
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_timetable_completed, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
-        messageContainer = completedLessonsRecycler
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentTimetableCompletedBinding.bind(view)
+        messageContainer = binding.completedLessonsRecycler
         presenter.onAttachView(this, savedInstanceState?.getLong(SAVED_DATE_KEY))
     }
 
     override fun initView() {
-        completedLessonsAdapter.setOnItemClickListener(presenter::onCompletedLessonsItemSelected)
+        completedLessonsAdapter.onClickListener = presenter::onCompletedLessonsItemSelected
 
-        with(completedLessonsRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.completedLessonsRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = completedLessonsAdapter
+            addItemDecoration(DividerItemDecoration(context))
         }
 
-        completedLessonsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
-        completedLessonsPreviousButton.setOnClickListener { presenter.onPreviousDay() }
-        completedLessonsNextButton.setOnClickListener { presenter.onNextDay() }
+        with(binding) {
+            completedLessonsSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            completedLessonsSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            completedLessonsSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            completedLessonErrorRetry.setOnClickListener { presenter.onRetry() }
+            completedLessonErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
-        completedLessonsNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+            completedLessonsPreviousButton.setOnClickListener { presenter.onPreviousDay() }
+            completedLessonsNavDate.setOnClickListener { presenter.onPickDate() }
+            completedLessonsNextButton.setOnClickListener { presenter.onNextDay() }
+
+            completedLessonsNavContainer.setElevationCompat(requireContext().dpToPx(8f))
+        }
     }
 
-    override fun updateData(data: List<CompletedLessonItem>) {
-        completedLessonsAdapter.updateDataSet(data, true)
+    override fun updateData(data: List<CompletedLesson>) {
+        with(completedLessonsAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun clearData() {
-        completedLessonsAdapter.clear()
+        with(completedLessonsAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateNavigationDay(date: String) {
-        completedLessonsNavDate.text = date
+        binding.completedLessonsNavDate.text = date
     }
 
-    override fun hideRefresh() {
-        completedLessonsSwipe.isRefreshing = false
+    override fun showRefresh(show: Boolean) {
+        binding.completedLessonsSwipe.isRefreshing = show
     }
 
     override fun showEmpty(show: Boolean) {
-        completedLessonsEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        binding.completedLessonsEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.completedLessonError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.completedLessonErrorMessage.text = message
     }
 
     override fun showFeatureDisabled() {
-        completedLessonsInfo.text = getString(R.string.error_feature_disabled)
-        completedLessonsInfoImage.setImageDrawable(requireContext().getCompatDrawable(R.drawable.ic_all_close_circle))
+        with(binding) {
+            completedLessonsInfo.text = getString(R.string.error_feature_disabled)
+            completedLessonsInfoImage.setImageDrawable(requireContext().getCompatDrawable(R.drawable.ic_all_close_circle))
+        }
     }
 
     override fun showProgress(show: Boolean) {
-        completedLessonsProgress.visibility = if (show) View.VISIBLE else View.GONE
+        binding.completedLessonsProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
-        completedLessonsSwipe.isEnabled = enable
+        binding.completedLessonsSwipe.isEnabled = enable
     }
 
     override fun showContent(show: Boolean) {
-        completedLessonsRecycler.visibility = if (show) View.VISIBLE else View.GONE
+        binding.completedLessonsRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun showPreButton(show: Boolean) {
-        completedLessonsPreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.completedLessonsPreviousButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        completedLessonsNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        binding.completedLessonsNextButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showCompletedLessonDialog(completedLesson: CompletedLesson) {
         (activity as? MainActivity)?.showDialogFragment(CompletedLessonDialog.newInstance(completedLesson))
     }
 
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            vibrate(false)
+            show(this@CompletedLessonsFragment.parentFragmentManager, null)
+        }
+    }
+
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
index b9e1fe2d6..04e2a5cd7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
@@ -1,141 +1,194 @@
 package io.github.wulkanowy.ui.modules.timetable.completed
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import io.github.wulkanowy.data.repositories.completedlessons.CompletedLessonsRepository
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import android.annotation.SuppressLint
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.data.repositories.CompletedLessonsRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
 import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
 import io.github.wulkanowy.utils.toFormattedString
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDate.ofEpochDay
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
-import java.util.concurrent.TimeUnit
+import java.time.LocalDate
+import java.time.LocalDate.now
+import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class CompletedLessonsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val completedLessonsErrorHandler: CompletedLessonsErrorHandler,
     private val semesterRepository: SemesterRepository,
     private val completedLessonsRepository: CompletedLessonsRepository,
-    private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<CompletedLessonsView>(completedLessonsErrorHandler, studentRepository, schedulers) {
+    private val analytics: AnalyticsHelper
+) : BasePresenter<CompletedLessonsView>(completedLessonsErrorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: CompletedLessonsView, date: Long?) {
         super.onAttachView(view)
         Timber.i("Completed lessons is attached")
         view.initView()
-        loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
-        if (currentDate.isHolidays) setBaseDateOnHolidays()
-        reloadView()
+        completedLessonsErrorHandler.showErrorMessage = ::showErrorViewOnError
         completedLessonsErrorHandler.onFeatureDisabled = {
             this.view?.showFeatureDisabled()
+            this.view?.showEmpty(true)
             Timber.i("Completed lessons feature disabled by school")
         }
+        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        loadData()
+        if (currentDate.isHolidays) setBaseDateOnHolidays()
     }
 
     fun onPreviousDay() {
-        loadData(currentDate.previousSchoolDay)
-        reloadView()
+        reloadView(currentDate.previousSchoolDay)
+        loadData()
     }
 
     fun onNextDay() {
-        loadData(currentDate.nextSchoolDay)
-        reloadView()
+        reloadView(currentDate.nextSchoolDay)
+        loadData()
+    }
+
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        reloadView(LocalDate.of(year, month, day))
+        loadData()
     }
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the completed lessons")
-        loadData(currentDate, true)
+        loadData(true)
     }
 
-    fun onCompletedLessonsItemSelected(item: AbstractFlexibleItem<*>?) {
-        if (item is CompletedLessonItem) {
-            Timber.i("Select completed lessons item ${item.completedLesson.id}")
-            view?.showCompletedLessonDialog(item.completedLesson)
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
         }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    fun onCompletedLessonsItemSelected(completedLesson: CompletedLesson) {
+        Timber.i("Select completed lessons item ${completedLesson.id}")
+        view?.showCompletedLessonDialog(completedLesson)
     }
 
     private fun setBaseDateOnHolidays() {
-        disposable.add(studentRepository.getCurrentStudent()
-            .flatMap { semesterRepository.getCurrentSemester(it) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-                currentDate = baseDate
-                reloadNavigation()
-            }) {
-                Timber.i("Loading semester result: An exception occurred")
-            })
+        flow {
+            val student = studentRepository.getCurrentStudent()
+            emit(semesterRepository.getCurrentSemester(student))
+        }.catch {
+            Timber.i("Loading semester result: An exception occurred")
+        }.onEach {
+            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
+            currentDate = baseDate
+            reloadNavigation()
+        }.launch("holidays")
     }
 
-    private fun loadData(date: LocalDate, forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading completed lessons data started")
-        currentDate = date
-        disposable.apply {
-            clear()
-            add(studentRepository.getCurrentStudent()
-                .flatMap { semesterRepository.getCurrentSemester(it) }
-                .delay(200, TimeUnit.MILLISECONDS)
-                .flatMap { completedLessonsRepository.getCompletedLessons(it, currentDate, currentDate, forceRefresh) }
-                .map { items -> items.map { CompletedLessonItem(it) } }
-                .map { items -> items.sortedBy { it.completedLesson.number } }
-                .subscribeOn(schedulers.backgroundThread)
-                .observeOn(schedulers.mainThread)
-                .doFinally {
-                    view?.run {
-                        hideRefresh()
-                        showProgress(false)
-                        enableSwipe(true)
+
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            completedLessonsRepository.getCompletedLessons(student, semester, currentDate, currentDate, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> {
+                    if (!it.data.isNullOrEmpty()) {
+                        view?.run {
+                            enableSwipe(true)
+                            showRefresh(true)
+                            showProgress(false)
+                            showContent(true)
+                            updateData(it.data.sortedBy { item -> item.number })
+                        }
                     }
                 }
-                .subscribe({
+                Status.SUCCESS -> {
                     Timber.i("Loading completed lessons lessons result: Success")
                     view?.apply {
-                        updateData(it)
-                        showEmpty(it.isEmpty())
-                        showContent(it.isNotEmpty())
+                        updateData(it.data!!.sortedBy { item -> item.number })
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                        showContent(it.data.isNotEmpty())
                     }
-                    analytics.logEvent("load_completed_lessons", "items" to it.size, "force_refresh" to forceRefresh)
-                }) {
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "completed_lessons",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
                     Timber.i("Loading completed lessons result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
-                    completedLessonsErrorHandler.dispatch(it)
-                })
+                    completedLessonsErrorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                showRefresh(false)
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
         }
     }
 
-    private fun reloadView() {
+    private fun reloadView(date: LocalDate) {
+        currentDate = date
+
         Timber.i("Reload completed lessons view with the date ${currentDate.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun reloadNavigation() {
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)
             showNextButton(!currentDate.plusDays(1).isHolidays)
-            updateNavigationDay(currentDate.toFormattedString("EEEE\ndd.MM.YYYY").capitalize())
+            updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalize())
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsView.kt
index a8bef66f1..7a98874e0 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsView.kt
@@ -2,6 +2,7 @@ package io.github.wulkanowy.ui.modules.timetable.completed
 
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 import io.github.wulkanowy.ui.base.BaseView
+import java.time.LocalDate
 
 interface CompletedLessonsView : BaseView {
 
@@ -9,16 +10,20 @@ interface CompletedLessonsView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<CompletedLessonItem>)
+    fun updateData(data: List<CompletedLesson>)
 
     fun clearData()
 
     fun updateNavigationDay(date: String)
 
-    fun hideRefresh()
+    fun showRefresh(show: Boolean)
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showFeatureDisabled()
 
     fun showProgress(show: Boolean)
@@ -32,4 +37,6 @@ interface CompletedLessonsView : BaseView {
     fun showNextButton(show: Boolean)
 
     fun showCompletedLessonDialog(completedLesson: CompletedLesson)
+
+    fun showDatePickerDialog(currentDate: LocalDate)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureActivity.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureActivity.kt
index 79dd59bf8..a27dba882 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureActivity.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureActivity.kt
@@ -4,49 +4,87 @@ import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
 import android.content.Intent
+import android.os.Build
 import android.os.Bundle
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.appcompat.app.AlertDialog
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.databinding.ActivityWidgetConfigureBinding
 import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.WidgetConfigureAdapter
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.EXTRA_FROM_PROVIDER
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.activity_widget_configure.*
+import io.github.wulkanowy.utils.AppInfo
 import javax.inject.Inject
 
-class TimetableWidgetConfigureActivity : BaseActivity<TimetableWidgetConfigurePresenter>(),
+@AndroidEntryPoint
+class TimetableWidgetConfigureActivity :
+    BaseActivity<TimetableWidgetConfigurePresenter, ActivityWidgetConfigureBinding>(),
     TimetableWidgetConfigureView {
 
     @Inject
-    lateinit var configureAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var configureAdapter: WidgetConfigureAdapter
 
     @Inject
     override lateinit var presenter: TimetableWidgetConfigurePresenter
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    private var dialog: AlertDialog? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setResult(RESULT_CANCELED)
-        setContentView(R.layout.activity_widget_configure)
+        setContentView(
+            ActivityWidgetConfigureBinding.inflate(layoutInflater).apply { binding = this }.root
+        )
 
         intent.extras.let {
-            presenter.onAttachView(this, it?.getInt(EXTRA_APPWIDGET_ID), it?.getBoolean(EXTRA_FROM_PROVIDER))
+            presenter.onAttachView(
+                this,
+                it?.getInt(EXTRA_APPWIDGET_ID),
+                it?.getBoolean(EXTRA_FROM_PROVIDER)
+            )
         }
     }
 
     override fun initView() {
-        widgetConfigureRecycler.apply {
+        with(binding.widgetConfigureRecycler) {
             adapter = configureAdapter
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+            layoutManager = LinearLayoutManager(context)
         }
-        configureAdapter.setOnItemClickListener { presenter.onItemSelect(it) }
+
+        configureAdapter.onClickListener = presenter::onItemSelect
     }
 
-    override fun updateData(data: List<TimetableWidgetConfigureItem>) {
-        configureAdapter.updateDataSet(data)
+    override fun showThemeDialog() {
+        var items = arrayOf(
+            getString(R.string.widget_timetable_theme_light),
+            getString(R.string.widget_timetable_theme_dark)
+        )
+
+        if (appInfo.systemVersion >= Build.VERSION_CODES.Q) items += getString(R.string.widget_timetable_theme_system)
+
+        dialog = AlertDialog.Builder(this, R.style.WulkanowyTheme_WidgetAccountSwitcher)
+            .setTitle(R.string.widget_timetable_theme_title)
+            .setOnDismissListener { presenter.onDismissThemeView() }
+            .setSingleChoiceItems(items, -1) { _, which ->
+                presenter.onThemeSelect(which)
+            }
+            .show()
+    }
+
+    override fun updateData(data: List<StudentWithSemesters>, selectedStudentId: Long) {
+        with(configureAdapter) {
+            selectedId = selectedStudentId
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun updateTimetableWidget(widgetId: Int) {
@@ -72,4 +110,9 @@ class TimetableWidgetConfigureActivity : BaseActivity<TimetableWidgetConfigurePr
     override fun openLoginView() {
         startActivity(LoginActivity.getStartIntent(this))
     }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        dialog?.dismiss()
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureItem.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureItem.kt
deleted file mode 100644
index a3338c684..000000000
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureItem.kt
+++ /dev/null
@@ -1,59 +0,0 @@
-package io.github.wulkanowy.ui.modules.timetablewidget
-
-import android.annotation.SuppressLint
-import android.view.View
-import androidx.core.graphics.ColorUtils
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.getThemeAttrColor
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_account.*
-
-class TimetableWidgetConfigureItem(val student: Student, private val isCurrent: Boolean) :
-    AbstractFlexibleItem<TimetableWidgetConfigureItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_account
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    @SuppressLint("SetTextI18n")
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        val context = holder.contentView.context
-
-        val colorImage = if (isCurrent) context.getThemeAttrColor(R.attr.colorPrimary)
-        else ColorUtils.setAlphaComponent(context.getThemeAttrColor(R.attr.colorOnSurface), 153)
-
-        with(holder) {
-            accountItemName.text = "${student.studentName} ${student.className}"
-            accountItemSchool.text = student.schoolName
-            accountItemImage.setColorFilter(colorImage)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as TimetableWidgetConfigureItem
-
-        if (student != other.student) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = student.hashCode()
-        result = 31 * result + student.id.toInt()
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<*>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
index 9c0202db5..2a40c8e4a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
@@ -1,27 +1,35 @@
 package io.github.wulkanowy.ui.modules.timetablewidget
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getThemeWidgetKey
+import io.github.wulkanowy.utils.flowWithResource
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
 import javax.inject.Inject
 
 class TimetableWidgetConfigurePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val sharedPref: SharedPrefProvider
-) : BasePresenter<TimetableWidgetConfigureView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<TimetableWidgetConfigureView>(errorHandler, studentRepository) {
 
     private var appWidgetId: Int? = null
 
     private var isFromProvider = false
 
-    fun onAttachView(view: TimetableWidgetConfigureView, appWidgetId: Int?, isFromProvider: Boolean?) {
+    private var selectedStudent: Student? = null
+
+    fun onAttachView(
+        view: TimetableWidgetConfigureView,
+        appWidgetId: Int?,
+        isFromProvider: Boolean?
+    ) {
         super.onAttachView(view)
         this.appWidgetId = appWidgetId
         this.isFromProvider = isFromProvider ?: false
@@ -29,35 +37,55 @@ class TimetableWidgetConfigurePresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelect(item: AbstractFlexibleItem<*>) {
-        if (item is TimetableWidgetConfigureItem) {
-            registerStudent(item.student)
+    fun onItemSelect(student: Student) {
+        selectedStudent = student
+
+        if (isFromProvider) registerStudent(selectedStudent)
+        else view?.showThemeDialog()
+    }
+
+    fun onThemeSelect(index: Int) {
+        appWidgetId?.let {
+            sharedPref.putLong(getThemeWidgetKey(it), index.toLong())
         }
+        registerStudent(selectedStudent)
+    }
+
+    fun onDismissThemeView() {
+        view?.finishView()
     }
 
     private fun loadData() {
-        disposable.add(studentRepository.getSavedStudents(false)
-            .map { it to appWidgetId?.let { id -> sharedPref.getLong(getStudentWidgetKey(id), 0) } }
-            .map { (students, currentStudentId) ->
-                students.map { student -> TimetableWidgetConfigureItem(student, student.id == currentStudentId) }
-            }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                when {
-                    it.isEmpty() -> view?.openLoginView()
-                    it.size == 1 && !isFromProvider -> registerStudent(it.single().student)
-                    else -> view?.updateData(it)
+        flowWithResource { studentRepository.getSavedStudents(false) }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.d("Timetable widget configure students data load")
+                Status.SUCCESS -> {
+                    val selectedStudentId = appWidgetId?.let { id ->
+                        sharedPref.getLong(getStudentWidgetKey(id), 0)
+                    } ?: -1
+
+                    when {
+                        it.data!!.isEmpty() -> view?.openLoginView()
+                        it.data.size == 1 && !isFromProvider -> {
+                            selectedStudent = it.data.single().student
+                            view?.showThemeDialog()
+                        }
+                        else -> view?.updateData(it.data, selectedStudentId)
+                    }
                 }
-            }, { errorHandler.dispatch(it) }))
+                Status.ERROR -> errorHandler.dispatch(it.error!!)
+            }
+        }.launch()
     }
 
-    private fun registerStudent(student: Student) {
-        appWidgetId?.also {
-            sharedPref.putLong(getStudentWidgetKey(it), student.id)
-            view?.apply {
-                updateTimetableWidget(it)
-                setSuccessResult(it)
+    private fun registerStudent(student: Student?) {
+        requireNotNull(student)
+
+        appWidgetId?.let { id ->
+            sharedPref.putLong(getStudentWidgetKey(id), student.id)
+            view?.run {
+                updateTimetableWidget(id)
+                setSuccessResult(id)
             }
         }
         view?.finishView()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureView.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureView.kt
index 98c800d4c..accdc28dc 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureView.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigureView.kt
@@ -1,15 +1,18 @@
 package io.github.wulkanowy.ui.modules.timetablewidget
 
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.ui.base.BaseView
 
 interface TimetableWidgetConfigureView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<TimetableWidgetConfigureItem>)
+    fun updateData(data: List<StudentWithSemesters>, selectedStudentId: Long)
 
     fun updateTimetableWidget(widgetId: Int)
 
+    fun showThemeDialog()
+
     fun setSuccessResult(widgetId: Int)
 
     fun finishView()
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
index a0a519e21..df656c008 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.timetablewidget
 
+import android.annotation.SuppressLint
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
 import android.content.Context
 import android.content.Intent
@@ -13,36 +14,47 @@ import android.widget.RemoteViewsService
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.data.repositories.semester.SemesterRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.TimetableRepository
+import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getCurrentThemeWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getDateWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.getCompatColor
+import io.github.wulkanowy.utils.toFirstResult
 import io.github.wulkanowy.utils.toFormattedString
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
+import java.time.LocalDate
 
 class TimetableWidgetFactory(
     private val timetableRepository: TimetableRepository,
     private val studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
+    private val prefRepository: PreferencesRepository,
     private val sharedPref: SharedPrefProvider,
-    private val schedulers: SchedulersProvider,
     private val context: Context,
     private val intent: Intent?
 ) : RemoteViewsService.RemoteViewsFactory {
 
     private var lessons = emptyList<Timetable>()
 
+    private var savedCurrentTheme: Long? = null
+
+    private var primaryColor: Int? = null
+
+    private var textColor: Int? = null
+
+    private var timetableChangeColor: Int? = null
+
     override fun getLoadingView() = null
 
     override fun hasStableIds() = true
 
     override fun getCount() = lessons.size
 
-    override fun getViewTypeCount() = 1
+    override fun getViewTypeCount() = 2
 
     override fun getItemId(position: Int) = position.toLong()
 
@@ -55,63 +67,152 @@ class TimetableWidgetFactory(
             val date = LocalDate.ofEpochDay(sharedPref.getLong(getDateWidgetKey(appWidgetId), 0))
             val studentId = sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0)
 
-            lessons = try {
-                studentRepository.isStudentSaved()
-                    .filter { true }
-                    .flatMap { studentRepository.getSavedStudents().toMaybe() }
-                    .flatMap {
-                        it.singleOrNull { student -> student.id == studentId }
-                            .let { student ->
-                                if (student != null) Maybe.just(student)
-                                else Maybe.empty()
-                            }
-                    }
-                    .flatMap { semesterRepository.getCurrentSemester(it).toMaybe() }
-                    .flatMap { timetableRepository.getTimetable(it, date, date).toMaybe() }
-                    .map { item -> item.sortedBy { it.number } }
-                    .subscribeOn(schedulers.backgroundThread)
-                    .blockingGet(emptyList())
-            } catch (e: Exception) {
-                Timber.e(e, "An error has occurred in timetable widget factory")
-                emptyList()
-            }
+            updateTheme(appWidgetId)
+            lessons = getLessons(date, studentId)
         }
     }
 
+    private fun updateTheme(appWidgetId: Int) {
+        savedCurrentTheme = sharedPref.getLong(getCurrentThemeWidgetKey(appWidgetId), 0)
+
+        if (savedCurrentTheme == 0L) {
+            primaryColor = R.color.colorPrimary
+            textColor = android.R.color.black
+            timetableChangeColor = R.color.timetable_change_dark
+        } else {
+            primaryColor = R.color.colorPrimaryLight
+            textColor = android.R.color.white
+            timetableChangeColor = R.color.timetable_change_light
+        }
+    }
+
+    private fun getItemLayout(lesson: Timetable): Int {
+        return when {
+            prefRepository.showWholeClassPlan == "small" && !lesson.isStudentPlan -> {
+                if (savedCurrentTheme == 0L) R.layout.item_widget_timetable_small
+                else R.layout.item_widget_timetable_small_dark
+            }
+            savedCurrentTheme == 1L -> R.layout.item_widget_timetable_dark
+            else -> R.layout.item_widget_timetable
+        }
+    }
+
+    private fun getLessons(date: LocalDate, studentId: Long) = try {
+        runBlocking {
+            if (!studentRepository.isStudentSaved()) return@runBlocking emptyList<Timetable>()
+
+            val students = studentRepository.getSavedStudents()
+            val student = students.singleOrNull { it.student.id == studentId }?.student
+                ?: return@runBlocking emptyList<Timetable>()
+
+            val semester = semesterRepository.getCurrentSemester(student)
+            timetableRepository.getTimetable(student, semester, date, date, false)
+                .toFirstResult().data?.first.orEmpty()
+                .sortedWith(compareBy({ it.number }, { !it.isStudentPlan }))
+                .filter { if (prefRepository.showWholeClassPlan == "no") it.isStudentPlan else true }
+        }
+    } catch (e: Exception) {
+        Timber.e(e, "An error has occurred in timetable widget factory")
+        emptyList<Timetable>()
+    }
+
+    @SuppressLint("DefaultLocale")
     override fun getViewAt(position: Int): RemoteViews? {
         if (position == INVALID_POSITION || lessons.getOrNull(position) == null) return null
 
-        return RemoteViews(context.packageName, R.layout.item_widget_timetable).apply {
-            lessons[position].let {
-                setTextViewText(R.id.timetableWidgetItemSubject, it.subject)
-                setTextViewText(R.id.timetableWidgetItemNumber, it.number.toString())
-                setTextViewText(R.id.timetableWidgetItemTime, it.start.toFormattedString("HH:mm") +
-                    " - ${it.end.toFormattedString("HH:mm")}")
+        val lesson = lessons[position]
+        return RemoteViews(context.packageName, getItemLayout(lesson)).apply {
+            setTextViewText(R.id.timetableWidgetItemSubject, lesson.subject)
+            setTextViewText(R.id.timetableWidgetItemNumber, lesson.number.toString())
+            setTextViewText(R.id.timetableWidgetItemTimeStart, lesson.start.toFormattedString("HH:mm"))
+            setTextViewText(R.id.timetableWidgetItemTimeFinish, lesson.end.toFormattedString("HH:mm"))
 
-                if (it.room.isNotBlank()) {
-                    setTextViewText(R.id.timetableWidgetItemRoom, "${context.getString(R.string.timetable_room)} ${it.room}")
-                } else setTextViewText(R.id.timetableWidgetItemRoom, "")
+            updateDescription(this, lesson)
 
-                if (it.info.isNotBlank()) {
-                    setViewVisibility(R.id.timetableWidgetItemDescription, VISIBLE)
-                    setTextViewText(R.id.timetableWidgetItemDescription, it.run {
-                        when (true) {
-                            canceled && !changes -> "Lekcja odwołana: $info"
-                            changes && teacher.isNotBlank() -> "Zastępstwo: $teacher"
-                            changes && teacher.isBlank() -> "Zastępstwo, ${info.decapitalize()}"
-                            else -> it.info.capitalize()
-                        }
-                    })
-                } else setViewVisibility(R.id.timetableWidgetItemDescription, GONE)
-
-                if (it.canceled) {
-                    setInt(R.id.timetableWidgetItemSubject, "setPaintFlags",
-                        STRIKE_THRU_TEXT_FLAG or ANTI_ALIAS_FLAG)
-                } else {
-                    setInt(R.id.timetableWidgetItemSubject, "setPaintFlags", ANTI_ALIAS_FLAG)
-                }
+            if (lesson.canceled) {
+                updateStylesCanceled(this)
+            } else {
+                updateStylesNotCanceled(this, lesson)
             }
+
             setOnClickFillInIntent(R.id.timetableWidgetItemContainer, Intent())
         }
     }
+
+    private fun updateDescription(remoteViews: RemoteViews, lesson: Timetable) {
+        with(remoteViews) {
+            if (lesson.info.isNotBlank() && !lesson.changes) {
+                setTextViewText(R.id.timetableWidgetItemDescription, lesson.info)
+                setViewVisibility(R.id.timetableWidgetItemDescription, VISIBLE)
+                setViewVisibility(R.id.timetableWidgetItemRoom, GONE)
+                setViewVisibility(R.id.timetableWidgetItemTeacher, GONE)
+            } else {
+                setViewVisibility(R.id.timetableWidgetItemDescription, GONE)
+                setViewVisibility(R.id.timetableWidgetItemRoom, VISIBLE)
+                setViewVisibility(R.id.timetableWidgetItemTeacher, VISIBLE)
+            }
+        }
+    }
+
+    private fun updateStylesCanceled(remoteViews: RemoteViews) {
+        with(remoteViews) {
+            setInt(R.id.timetableWidgetItemSubject, "setPaintFlags",
+                STRIKE_THRU_TEXT_FLAG or ANTI_ALIAS_FLAG)
+            setTextColor(R.id.timetableWidgetItemNumber, context.getCompatColor(primaryColor!!))
+            setTextColor(R.id.timetableWidgetItemSubject, context.getCompatColor(primaryColor!!))
+            setTextColor(R.id.timetableWidgetItemDescription, context.getCompatColor(primaryColor!!))
+        }
+    }
+
+    private fun updateStylesNotCanceled(remoteViews: RemoteViews, lesson: Timetable) {
+        with(remoteViews) {
+            setInt(R.id.timetableWidgetItemSubject, "setPaintFlags", ANTI_ALIAS_FLAG)
+            setTextColor(R.id.timetableWidgetItemSubject, context.getCompatColor(textColor!!))
+            setTextColor(R.id.timetableWidgetItemDescription, context.getCompatColor(timetableChangeColor!!))
+
+            updateNotCanceledLessonNumberColor(this, lesson)
+            updateNotCanceledSubjectColor(this, lesson)
+
+            val teacherChange = lesson.teacherOld.isNotBlank() && lesson.teacher != lesson.teacherOld
+            updateNotCanceledRoom(this, lesson, teacherChange)
+            updateNotCanceledTeacher(this, lesson, teacherChange)
+        }
+    }
+
+    private fun updateNotCanceledLessonNumberColor(remoteViews: RemoteViews, lesson: Timetable) {
+        remoteViews.setTextColor(R.id.timetableWidgetItemNumber, context.getCompatColor(
+            if (lesson.changes || (lesson.info.isNotBlank() && !lesson.canceled)) timetableChangeColor!!
+            else textColor!!
+        ))
+    }
+
+    private fun updateNotCanceledSubjectColor(remoteViews: RemoteViews, lesson: Timetable) {
+        remoteViews.setTextColor(R.id.timetableWidgetItemSubject, context.getCompatColor(
+            if (lesson.subjectOld.isNotBlank() && lesson.subject != lesson.subjectOld) timetableChangeColor!!
+            else textColor!!
+        ))
+    }
+
+    private fun updateNotCanceledRoom(remoteViews: RemoteViews, lesson: Timetable, teacherChange: Boolean) {
+        with(remoteViews) {
+            if (lesson.room.isNotBlank()) {
+                setTextViewText(R.id.timetableWidgetItemRoom,
+                    if (teacherChange) lesson.room
+                    else "${context.getString(R.string.timetable_room)} ${lesson.room}"
+                )
+
+                setTextColor(R.id.timetableWidgetItemRoom, context.getCompatColor(
+                    if (lesson.roomOld.isNotBlank() && lesson.room != lesson.roomOld) timetableChangeColor!!
+                    else textColor!!
+                ))
+            } else setTextViewText(R.id.timetableWidgetItemRoom, "")
+        }
+    }
+
+    private fun updateNotCanceledTeacher(remoteViews: RemoteViews, lesson: Timetable, teacherChange: Boolean) {
+        remoteViews.setTextViewText(R.id.timetableWidgetItemTeacher,
+            if (teacherChange) lesson.teacher
+            else ""
+        )
+    }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
index dadbe0503..071a2d178 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
@@ -8,35 +8,41 @@ import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_DELETED
 import android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_ID
 import android.appwidget.AppWidgetManager.EXTRA_APPWIDGET_IDS
-import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.content.res.Configuration
+import android.graphics.Bitmap
+import android.graphics.Canvas
 import android.widget.RemoteViews
-import dagger.android.AndroidInjection
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.services.HiltBroadcastReceiver
 import io.github.wulkanowy.services.widgets.TimetableWidgetService
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.createNameInitialsDrawable
+import io.github.wulkanowy.utils.getCompatColor
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.nickOrName
 import io.github.wulkanowy.utils.previousSchoolDay
-import io.github.wulkanowy.utils.shortcutWeekDayName
 import io.github.wulkanowy.utils.toFormattedString
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDate.now
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import timber.log.Timber
+import java.time.LocalDate
+import java.time.LocalDate.now
 import javax.inject.Inject
 
-class TimetableWidgetProvider : BroadcastReceiver() {
+@AndroidEntryPoint
+class TimetableWidgetProvider : HiltBroadcastReceiver() {
 
     @Inject
     lateinit var appWidgetManager: AppWidgetManager
@@ -48,138 +54,221 @@ class TimetableWidgetProvider : BroadcastReceiver() {
     lateinit var sharedPref: SharedPrefProvider
 
     @Inject
-    lateinit var schedulers: SchedulersProvider
-
-    @Inject
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
 
     companion object {
+
+        private const val EXTRA_TOGGLED_WIDGET_ID = "extraToggledWidget"
+
+        private const val EXTRA_BUTTON_TYPE = "extraButtonType"
+
+        private const val BUTTON_NEXT = "buttonNext"
+
+        private const val BUTTON_PREV = "buttonPrev"
+
+        private const val BUTTON_RESET = "buttonReset"
+
         const val EXTRA_FROM_PROVIDER = "extraFromProvider"
 
-        const val EXTRA_TOGGLED_WIDGET_ID = "extraToggledWidget"
-
-        const val EXTRA_BUTTON_TYPE = "extraButtonType"
-
-        const val BUTTON_NEXT = "buttonNext"
-
-        const val BUTTON_PREV = "buttonPrev"
-
-        const val BUTTON_RESET = "buttonReset"
-
         fun getDateWidgetKey(appWidgetId: Int) = "timetable_widget_date_$appWidgetId"
 
         fun getStudentWidgetKey(appWidgetId: Int) = "timetable_widget_student_$appWidgetId"
+
+        fun getThemeWidgetKey(appWidgetId: Int) = "timetable_widget_theme_$appWidgetId"
+
+        fun getCurrentThemeWidgetKey(appWidgetId: Int) =
+            "timetable_widget_current_theme_$appWidgetId"
     }
 
     override fun onReceive(context: Context, intent: Intent) {
-        AndroidInjection.inject(this, context)
-        when (intent.action) {
-            ACTION_APPWIDGET_UPDATE -> onUpdate(context, intent)
-            ACTION_APPWIDGET_DELETED -> onDelete(intent)
+        super.onReceive(context, intent)
+        GlobalScope.launch {
+            when (intent.action) {
+                ACTION_APPWIDGET_UPDATE -> onUpdate(context, intent)
+                ACTION_APPWIDGET_DELETED -> onDelete(intent)
+            }
         }
     }
 
-    private fun onUpdate(context: Context, intent: Intent) {
+    private suspend fun onUpdate(context: Context, intent: Intent) {
         if (intent.getStringExtra(EXTRA_BUTTON_TYPE) === null) {
             intent.getIntArrayExtra(EXTRA_APPWIDGET_IDS)?.forEach { appWidgetId ->
-                val student = getStudent(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)
+                val student =
+                    getStudent(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)
                 updateWidget(context, appWidgetId, now().nextOrSameSchoolDay, student)
             }
         } else {
             val buttonType = intent.getStringExtra(EXTRA_BUTTON_TYPE)
             val toggledWidgetId = intent.getIntExtra(EXTRA_TOGGLED_WIDGET_ID, 0)
-            val student = getStudent(sharedPref.getLong(getStudentWidgetKey(toggledWidgetId), 0), toggledWidgetId)
-            val savedDate = LocalDate.ofEpochDay(sharedPref.getLong(getDateWidgetKey(toggledWidgetId), 0))
+            val student = getStudent(
+                sharedPref.getLong(getStudentWidgetKey(toggledWidgetId), 0),
+                toggledWidgetId
+            )
+            val savedDate =
+                LocalDate.ofEpochDay(sharedPref.getLong(getDateWidgetKey(toggledWidgetId), 0))
             val date = when (buttonType) {
                 BUTTON_RESET -> now().nextOrSameSchoolDay
                 BUTTON_NEXT -> savedDate.nextSchoolDay
                 BUTTON_PREV -> savedDate.previousSchoolDay
                 else -> now().nextOrSameSchoolDay
             }
-            if (!buttonType.isNullOrBlank()) analytics.logEvent("changed_timetable_widget_day", "button" to buttonType)
+            if (!buttonType.isNullOrBlank()) analytics.logEvent(
+                "changed_timetable_widget_day",
+                "button" to buttonType
+            )
             updateWidget(context, toggledWidgetId, date, student)
         }
     }
 
     private fun onDelete(intent: Intent) {
-        intent.getIntExtra(EXTRA_APPWIDGET_ID, 0).let {
-            if (it != 0) {
-                sharedPref.apply {
-                    delete(getStudentWidgetKey(it))
-                    delete(getDateWidgetKey(it))
-                }
+        val appWidgetId = intent.getIntExtra(EXTRA_APPWIDGET_ID, 0)
+
+        if (appWidgetId != 0) {
+            with(sharedPref) {
+                delete(getStudentWidgetKey(appWidgetId))
+                delete(getDateWidgetKey(appWidgetId))
+                delete(getThemeWidgetKey(appWidgetId))
+                delete(getCurrentThemeWidgetKey(appWidgetId))
             }
         }
     }
 
     @SuppressLint("DefaultLocale")
-    private fun updateWidget(context: Context, appWidgetId: Int, date: LocalDate, student: Student?) {
-        RemoteViews(context.packageName, R.layout.widget_timetable).apply {
+    private fun updateWidget(
+        context: Context,
+        appWidgetId: Int,
+        date: LocalDate,
+        student: Student?
+    ) {
+        val savedConfigureTheme = sharedPref.getLong(getThemeWidgetKey(appWidgetId), 0)
+        val isSystemDarkMode =
+            context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK == Configuration.UI_MODE_NIGHT_YES
+        var currentTheme = 0L
+        var layoutId = R.layout.widget_timetable
+
+        if (savedConfigureTheme == 1L || (savedConfigureTheme == 2L && isSystemDarkMode)) {
+            currentTheme = 1L
+            layoutId = R.layout.widget_timetable_dark
+        }
+
+        val nextNavIntent = createNavIntent(context, appWidgetId, appWidgetId, BUTTON_NEXT)
+        val prevNavIntent = createNavIntent(context, -appWidgetId, appWidgetId, BUTTON_PREV)
+        val resetNavIntent =
+            createNavIntent(context, Int.MAX_VALUE - appWidgetId, appWidgetId, BUTTON_RESET)
+        val adapterIntent = Intent(context, TimetableWidgetService::class.java)
+            .apply {
+                putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
+                //make Intent unique
+                action = appWidgetId.toString()
+            }
+        val accountIntent = PendingIntent.getActivity(
+            context, -Int.MAX_VALUE + appWidgetId,
+            Intent(context, TimetableWidgetConfigureActivity::class.java).apply {
+                addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)
+                putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
+                putExtra(EXTRA_FROM_PROVIDER, true)
+            }, FLAG_UPDATE_CURRENT
+        )
+        val appIntent = PendingIntent.getActivity(
+            context,
+            MainView.Section.TIMETABLE.id,
+            MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true),
+            FLAG_UPDATE_CURRENT
+        )
+
+        val remoteView = RemoteViews(context.packageName, layoutId).apply {
             setEmptyView(R.id.timetableWidgetList, R.id.timetableWidgetEmpty)
-            setTextViewText(R.id.timetableWidgetDate, "${date.shortcutWeekDayName.capitalize()} ${date.toFormattedString()}")
-            setTextViewText(R.id.timetableWidgetName, student?.studentName ?: context.getString(R.string.all_no_data))
-            setRemoteAdapter(R.id.timetableWidgetList, Intent(context, TimetableWidgetService::class.java)
-                .apply { putExtra(EXTRA_APPWIDGET_ID, appWidgetId) })
-            setOnClickPendingIntent(R.id.timetableWidgetNext, createNavIntent(context, appWidgetId, appWidgetId, BUTTON_NEXT))
-            setOnClickPendingIntent(R.id.timetableWidgetPrev, createNavIntent(context, -appWidgetId, appWidgetId, BUTTON_PREV))
-            createNavIntent(context, Int.MAX_VALUE - appWidgetId, appWidgetId, BUTTON_RESET).let {
-                setOnClickPendingIntent(R.id.timetableWidgetDate, it)
-                setOnClickPendingIntent(R.id.timetableWidgetName, it)
-            }
-            setOnClickPendingIntent(R.id.timetableWidgetAccount, PendingIntent.getActivity(context, -Int.MAX_VALUE + appWidgetId,
-                Intent(context, TimetableWidgetConfigureActivity::class.java).apply {
-                    addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)
-                    putExtra(EXTRA_APPWIDGET_ID, appWidgetId)
-                    putExtra(EXTRA_FROM_PROVIDER, true)
-                }, FLAG_UPDATE_CURRENT))
-            setPendingIntentTemplate(R.id.timetableWidgetList,
-                PendingIntent.getActivity(context, MainView.Section.TIMETABLE.id,
-                    MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true), FLAG_UPDATE_CURRENT))
-        }.also {
-            sharedPref.putLong(getDateWidgetKey(appWidgetId), date.toEpochDay(), true)
-            appWidgetManager.apply {
-                notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
-                updateAppWidget(appWidgetId, it)
+            setTextViewText(
+                R.id.timetableWidgetDate,
+                date.toFormattedString("EEEE, dd.MM").capitalize()
+            )
+            setTextViewText(
+                R.id.timetableWidgetName,
+                student?.nickOrName ?: context.getString(R.string.all_no_data)
+            )
+
+            student?.let {
+                setImageViewBitmap(R.id.timetableWidgetAccount, context.createAvatarBitmap(it))
             }
+
+            setRemoteAdapter(R.id.timetableWidgetList, adapterIntent)
+            setOnClickPendingIntent(R.id.timetableWidgetNext, nextNavIntent)
+            setOnClickPendingIntent(R.id.timetableWidgetPrev, prevNavIntent)
+            setOnClickPendingIntent(R.id.timetableWidgetDate, resetNavIntent)
+            setOnClickPendingIntent(R.id.timetableWidgetName, resetNavIntent)
+            setOnClickPendingIntent(R.id.timetableWidgetAccount, accountIntent)
+            setPendingIntentTemplate(R.id.timetableWidgetList, appIntent)
+        }
+
+        with(sharedPref) {
+            putLong(getCurrentThemeWidgetKey(appWidgetId), currentTheme)
+            putLong(getDateWidgetKey(appWidgetId), date.toEpochDay(), true)
+        }
+
+        with(appWidgetManager) {
+            updateAppWidget(appWidgetId, remoteView)
+            notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
+            Timber.d("TimetableWidgetProvider updated")
         }
     }
 
-    private fun createNavIntent(context: Context, code: Int, appWidgetId: Int, buttonType: String): PendingIntent {
-        return PendingIntent.getBroadcast(context, code,
+    private fun createNavIntent(
+        context: Context,
+        code: Int,
+        appWidgetId: Int,
+        buttonType: String
+    ): PendingIntent {
+        return PendingIntent.getBroadcast(
+            context, code,
             Intent(context, TimetableWidgetProvider::class.java).apply {
                 action = ACTION_APPWIDGET_UPDATE
                 putExtra(EXTRA_BUTTON_TYPE, buttonType)
                 putExtra(EXTRA_TOGGLED_WIDGET_ID, appWidgetId)
-            }, FLAG_UPDATE_CURRENT)
+            }, FLAG_UPDATE_CURRENT
+        )
     }
 
-    private fun getStudent(studentId: Long, appWidgetId: Int): Student? {
-        return try {
-            studentRepository.isStudentSaved()
-                .filter { true }
-                .flatMap { studentRepository.getSavedStudents(false).toMaybe() }
-                .flatMap { students ->
-                    students.singleOrNull { student -> student.id == studentId }
-                        .let { student ->
-                            when {
-                                student != null -> Maybe.just(student)
-                                studentId != 0L -> {
-                                    studentRepository.isCurrentStudentSet()
-                                        .filter { true }
-                                        .flatMap { studentRepository.getCurrentStudent(false).toMaybe() }
-                                        .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                                }
-                                else -> Maybe.empty()
-                            }
-                        }
+    private suspend fun getStudent(studentId: Long, appWidgetId: Int) = try {
+        val students = studentRepository.getSavedStudents(false)
+        val student = students.singleOrNull { it -> it.student.id == studentId }?.student
+        when {
+            student != null -> student
+            studentId != 0L && studentRepository.isCurrentStudentSet() -> {
+                studentRepository.getCurrentStudent(false).also {
+                    sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id)
                 }
-                .subscribeOn(schedulers.backgroundThread)
-                .blockingGet()
-        } catch (e: Exception) {
-            if (e.cause !is NoCurrentStudentException) {
-                Timber.e(e, "An error has occurred in timetable widget provider")
             }
-            null
+            else -> null
         }
+    } catch (e: Exception) {
+        if (e.cause !is NoCurrentStudentException) {
+            Timber.e(e, "An error has occurred in timetable widget provider")
+        }
+        null
+    }
+
+    private fun Context.createAvatarBitmap(student: Student): Bitmap {
+        val avatarColor = if (student.avatarColor == -2937041L) {
+            getCompatColor(R.color.colorPrimaryLight).toLong()
+        } else {
+            student.avatarColor
+        }
+        val avatarDrawable = createNameInitialsDrawable(student.nickOrName, avatarColor, 0.5f)
+
+        val avatarBitmap =
+            if (avatarDrawable.intrinsicWidth <= 0 || avatarDrawable.intrinsicHeight <= 0) {
+                Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888)
+            } else {
+                Bitmap.createBitmap(
+                    avatarDrawable.intrinsicWidth,
+                    avatarDrawable.intrinsicHeight,
+                    Bitmap.Config.ARGB_8888
+                )
+            }
+
+        val canvas = Canvas(avatarBitmap)
+        avatarDrawable.setBounds(0, 0, canvas.width, canvas.height)
+        avatarDrawable.draw(canvas)
+        return avatarBitmap
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/widgets/DividerItemDecoration.kt b/app/src/main/java/io/github/wulkanowy/ui/widgets/DividerItemDecoration.kt
new file mode 100644
index 000000000..b0b6999eb
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/DividerItemDecoration.kt
@@ -0,0 +1,27 @@
+package io.github.wulkanowy.ui.widgets
+
+import android.content.Context
+import android.graphics.Canvas
+import android.view.View
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.RecyclerView
+
+class DividerItemDecoration(context: Context) : DividerItemDecoration(context, VERTICAL) {
+
+    override fun onDraw(canvas: Canvas, parent: RecyclerView, state: RecyclerView.State) {
+        canvas.save()
+        val dividerLeft = parent.paddingLeft
+        val dividerRight = parent.width - parent.paddingRight
+        val childCount = parent.childCount
+
+        for (i in 0..childCount - 2) {
+            val child: View = parent.getChildAt(i)
+            val params = child.layoutParams as RecyclerView.LayoutParams
+            val dividerTop: Int = child.bottom + params.bottomMargin
+            val dividerBottom = dividerTop + drawable!!.intrinsicHeight
+            drawable?.setBounds(dividerLeft, dividerTop, dividerRight, dividerBottom)
+            drawable?.draw(canvas)
+        }
+        canvas.restore()
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt
index cad26f2e8..a04922e5d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialLinearLayout.kt
@@ -33,7 +33,7 @@ class MaterialLinearLayout : LinearLayout {
         if (SDK_INT >= LOLLIPOP) {
             setElevation(elevation)
         } else {
-            setBackgroundColor(ElevationOverlayProvider(context).getSurfaceColorWithOverlayIfNeeded(elevation))
+            setBackgroundColor(ElevationOverlayProvider(context).compositeOverlayWithThemeSurfaceColorIfNeeded(elevation))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt
index 3bcaae7d7..e19d01116 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/widgets/MaterialTabLayout.kt
@@ -19,7 +19,7 @@ open class MaterialTabLayout : TabLayout {
         if (SDK_INT >= LOLLIPOP) {
             setElevation(elevation)
         } else {
-            setBackgroundColor(ElevationOverlayProvider(context).getSurfaceColorWithOverlayIfNeeded(elevation))
+            setBackgroundColor(ElevationOverlayProvider(context).compositeOverlayWithThemeSurfaceColorIfNeeded(elevation))
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/AppInfo.kt b/app/src/main/java/io/github/wulkanowy/utils/AppInfo.kt
index 3fa83a043..a3961aed8 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/AppInfo.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/AppInfo.kt
@@ -1,23 +1,28 @@
 package io.github.wulkanowy.utils
 
+import android.content.res.Resources
 import android.os.Build.MANUFACTURER
 import android.os.Build.MODEL
 import android.os.Build.VERSION.SDK_INT
-import io.github.wulkanowy.BuildConfig.CRASHLYTICS_ENABLED
+import io.github.wulkanowy.BuildConfig.BUILD_TIMESTAMP
 import io.github.wulkanowy.BuildConfig.DEBUG
+import io.github.wulkanowy.BuildConfig.FLAVOR
 import io.github.wulkanowy.BuildConfig.VERSION_CODE
 import io.github.wulkanowy.BuildConfig.VERSION_NAME
+import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-open class AppInfo {
-
-    open val isCrashlyticsEnabled get() = CRASHLYTICS_ENABLED
+open class AppInfo @Inject constructor() {
 
     open val isDebug get() = DEBUG
 
     open val versionCode get() = VERSION_CODE
 
+    open val buildTimestamp get() = BUILD_TIMESTAMP
+
+    open val buildFlavor get() = FLAVOR
+
     open val versionName get() = VERSION_NAME
 
     open val systemVersion get() = SDK_INT
@@ -25,4 +30,13 @@ open class AppInfo {
     open val systemManufacturer: String get() = MANUFACTURER
 
     open val systemModel: String get() = MODEL
+
+    @Suppress("DEPRECATION")
+    open val systemLanguage: String
+        get() = Resources.getSystem().configuration.locale.language
+
+    val defaultColorsForAvatar = listOf(
+        0xd32f2f, 0xE64A19, 0xFFA000, 0xAFB42B, 0x689F38, 0x388E3C, 0x00796B, 0x0097A7,
+        0x1976D2, 0x3647b5, 0x6236c9, 0x9225c1, 0xC2185B, 0x616161, 0x455A64, 0x7a5348
+    ).map { (it and 0x00ffffff or (255 shl 24)).toLong() }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt
index c2b1efaa8..f10b00a07 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/AttendanceExtension.kt
@@ -1,6 +1,9 @@
 package io.github.wulkanowy.utils
 
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.sdk.scrapper.attendance.AttendanceCategory
 
 /**
  * [UONET+ - Zasady tworzenia podsumowań liczb uczniów obecnych i nieobecnych w tabeli frekwencji]
@@ -23,4 +26,15 @@ private fun calculatePercentage(presence: Double, absence: Double): Double {
     return if ((presence + absence) == 0.0) 0.0 else (presence / (presence + absence)) * 100
 }
 
-
+inline val Attendance.description
+    get() = when (AttendanceCategory.getCategoryByName(name)) {
+        AttendanceCategory.PRESENCE -> R.string.attendance_present
+        AttendanceCategory.ABSENCE_UNEXCUSED -> R.string.attendance_absence_unexcused
+        AttendanceCategory.ABSENCE_EXCUSED -> R.string.attendance_absence_excused
+        AttendanceCategory.UNEXCUSED_LATENESS -> R.string.attendance_unexcused_lateness
+        AttendanceCategory.EXCUSED_LATENESS -> R.string.attendance_excused_lateness
+        AttendanceCategory.ABSENCE_FOR_SCHOOL_REASONS -> R.string.attendance_absence_school
+        AttendanceCategory.EXEMPTION -> R.string.attendance_exemption
+        AttendanceCategory.DELETED -> R.string.attendance_deleted
+        else -> R.string.attendance_unknown
+    }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
index a941c6fa6..92c0ddfc5 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/ContextExtension.kt
@@ -1,13 +1,26 @@
 package io.github.wulkanowy.utils
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.graphics.Paint
+import android.graphics.Rect
+import android.graphics.Typeface
+import android.net.Uri
+import android.text.TextPaint
 import android.util.DisplayMetrics.DENSITY_DEFAULT
 import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
 import androidx.annotation.ColorRes
 import androidx.annotation.DrawableRes
 import androidx.core.content.ContextCompat
+import androidx.core.graphics.ColorUtils
+import androidx.core.graphics.applyCanvas
+import androidx.core.graphics.drawable.RoundedBitmapDrawable
+import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory
+import io.github.wulkanowy.BuildConfig.APPLICATION_ID
 
 @ColorInt
 fun Context.getThemeAttrColor(@AttrRes colorAttr: Int): Int {
@@ -19,10 +32,16 @@ fun Context.getThemeAttrColor(@AttrRes colorAttr: Int): Int {
     }
 }
 
+@ColorInt
+fun Context.getThemeAttrColor(@AttrRes colorAttr: Int, alpha: Int): Int {
+    return ColorUtils.setAlphaComponent(getThemeAttrColor(colorAttr), alpha)
+}
+
 @ColorInt
 fun Context.getCompatColor(@ColorRes colorRes: Int) = ContextCompat.getColor(this, colorRes)
 
-fun Context.getCompatDrawable(@DrawableRes drawableRes: Int) = ContextCompat.getDrawable(this, drawableRes)
+fun Context.getCompatDrawable(@DrawableRes drawableRes: Int) =
+    ContextCompat.getDrawable(this, drawableRes)
 
 fun Context.openInternetBrowser(uri: String, onActivityNotFound: (uri: String) -> Unit) {
     Intent.parseUri(uri, 0).let {
@@ -31,4 +50,91 @@ fun Context.openInternetBrowser(uri: String, onActivityNotFound: (uri: String) -
     }
 }
 
+fun Context.openAppInMarket(onActivityNotFound: (uri: String) -> Unit) {
+    openInternetBrowser("market://details?id=${APPLICATION_ID}") {
+        openInternetBrowser("https://github.com/wulkanowy/wulkanowy/releases", onActivityNotFound)
+    }
+}
+
+fun Context.openEmailClient(
+    chooserTitle: String,
+    email: String,
+    subject: String,
+    body: String,
+    onActivityNotFound: () -> Unit = {}
+) {
+    val intent = Intent(Intent.ACTION_SENDTO, Uri.parse("mailto:")).apply {
+        putExtra(Intent.EXTRA_EMAIL, arrayOf(email))
+        putExtra(Intent.EXTRA_SUBJECT, subject)
+        putExtra(Intent.EXTRA_TEXT, body)
+    }
+
+    if (intent.resolveActivity(packageManager) != null) {
+        startActivity(Intent.createChooser(intent, chooserTitle))
+    } else onActivityNotFound()
+}
+
+fun Context.openNavigation(location: String) {
+    val intentUri = Uri.parse("geo:0,0?q=${Uri.encode(location)}")
+    val intent = Intent(Intent.ACTION_VIEW, intentUri)
+    if (intent.resolveActivity(packageManager) != null) {
+        startActivity(intent)
+    }
+}
+
+fun Context.openDialer(phone: String) {
+    val intentUri = Uri.parse("tel:$phone")
+    val intent = Intent(Intent.ACTION_DIAL, intentUri)
+    startActivity(intent)
+}
+
+fun Context.shareText(text: String, subject: String?) {
+    val sendIntent: Intent = Intent().apply {
+        action = Intent.ACTION_SEND
+        putExtra(Intent.EXTRA_TEXT, text)
+        if (subject != null) {
+            putExtra(Intent.EXTRA_SUBJECT, subject)
+        }
+        type = "text/plain"
+    }
+    val shareIntent = Intent.createChooser(sendIntent, null)
+    startActivity(shareIntent)
+}
+
 fun Context.dpToPx(dp: Float) = dp * resources.displayMetrics.densityDpi / DENSITY_DEFAULT
+
+@SuppressLint("DefaultLocale")
+fun Context.createNameInitialsDrawable(
+    text: String,
+    backgroundColor: Long,
+    scaleFactory: Float = 1f
+): RoundedBitmapDrawable {
+    val words = text.split(" ")
+    val firstCharFirstWord = words.getOrNull(0)?.firstOrNull() ?: ""
+    val firstCharSecondWord = words.getOrNull(1)?.firstOrNull() ?: ""
+
+    val initials = "$firstCharFirstWord$firstCharSecondWord".toUpperCase()
+
+    val bounds = Rect()
+    val dimension = this.dpToPx(64f * scaleFactory).toInt()
+    val textPaint = TextPaint().apply {
+        typeface = Typeface.SANS_SERIF
+        color = Color.WHITE
+        textAlign = Paint.Align.CENTER
+        isAntiAlias = true
+        textSize = this@createNameInitialsDrawable.dpToPx(30f * scaleFactory)
+        getTextBounds(initials, 0, initials.length, bounds)
+    }
+
+    val xCoordinate = (dimension / 2).toFloat()
+    val yCoordinate = (dimension / 2 + (bounds.bottom - bounds.top) / 2).toFloat()
+
+    val bitmap = Bitmap.createBitmap(dimension, dimension, Bitmap.Config.ARGB_8888)
+        .applyCanvas {
+            drawColor(backgroundColor.toInt())
+            drawText(initials, 0, initials.length, xCoordinate, yCoordinate, textPaint)
+        }
+
+    return RoundedBitmapDrawableFactory.create(this.resources, bitmap)
+        .apply { isCircular = true }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/DispatchersProvider.kt b/app/src/main/java/io/github/wulkanowy/utils/DispatchersProvider.kt
new file mode 100644
index 000000000..ecc8e05eb
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/DispatchersProvider.kt
@@ -0,0 +1,10 @@
+package io.github.wulkanowy.utils
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+
+open class DispatchersProvider {
+
+    open val backgroundThread: CoroutineDispatcher
+        get() = Dispatchers.IO
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/EditTextExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/EditTextExtension.kt
new file mode 100644
index 000000000..58c93729b
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/EditTextExtension.kt
@@ -0,0 +1,10 @@
+package io.github.wulkanowy.utils
+
+import android.view.inputmethod.EditorInfo
+import android.widget.EditText
+
+fun EditText.setOnEditorDoneSignIn(callback: () -> Boolean) {
+    setOnEditorActionListener { _, id, _ ->
+        if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) callback() else false
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FlexibleAdapterExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/FlexibleAdapterExtension.kt
deleted file mode 100644
index bd6867a38..000000000
--- a/app/src/main/java/io/github/wulkanowy/utils/FlexibleAdapterExtension.kt
+++ /dev/null
@@ -1,11 +0,0 @@
-package io.github.wulkanowy.utils
-
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-
-inline fun FlexibleAdapter<*>.setOnItemClickListener(crossinline listener: (item: AbstractFlexibleItem<*>) -> Unit) {
-    addListener(FlexibleAdapter.OnItemClickListener { _, position ->
-        listener(getItem(position) as AbstractFlexibleItem<*>)
-        true
-    })
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt b/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt
new file mode 100644
index 000000000..5dd289677
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt
@@ -0,0 +1,96 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.Status
+import kotlinx.coroutines.FlowPreview
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.emitAll
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.takeWhile
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+
+inline fun <ResultType, RequestType> networkBoundResource(
+    mutex: Mutex = Mutex(),
+    showSavedOnLoading: Boolean = true,
+    crossinline query: () -> Flow<ResultType>,
+    crossinline fetch: suspend (ResultType) -> RequestType,
+    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
+    crossinline onFetchFailed: (Throwable) -> Unit = { },
+    crossinline shouldFetch: (ResultType) -> Boolean = { true },
+    crossinline filterResult: (ResultType) -> ResultType = { it }
+) = flow {
+    emit(Resource.loading())
+
+    val data = query().first()
+    emitAll(if (shouldFetch(data)) {
+        if (showSavedOnLoading) emit(Resource.loading(filterResult(data)))
+
+        try {
+            val newData = fetch(data)
+            mutex.withLock { saveFetchResult(query().first(), newData) }
+            query().map { Resource.success(filterResult(it)) }
+        } catch (throwable: Throwable) {
+            onFetchFailed(throwable)
+            query().map { Resource.error(throwable, filterResult(it)) }
+        }
+    } else {
+        query().map { Resource.success(filterResult(it)) }
+    })
+}
+
+@JvmName("networkBoundResourceWithMap")
+inline fun <ResultType, RequestType, T> networkBoundResource(
+    mutex: Mutex = Mutex(),
+    showSavedOnLoading: Boolean = true,
+    crossinline query: () -> Flow<ResultType>,
+    crossinline fetch: suspend (ResultType) -> RequestType,
+    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
+    crossinline onFetchFailed: (Throwable) -> Unit = { },
+    crossinline shouldFetch: (ResultType) -> Boolean = { true },
+    crossinline mapResult: (ResultType) -> T
+) = flow {
+    emit(Resource.loading())
+
+    val data = query().first()
+    emitAll(if (shouldFetch(data)) {
+        if (showSavedOnLoading) emit(Resource.loading(mapResult(data)))
+
+        try {
+            val newData = fetch(data)
+            mutex.withLock { saveFetchResult(query().first(), newData) }
+            query().map { Resource.success(mapResult(it)) }
+        } catch (throwable: Throwable) {
+            onFetchFailed(throwable)
+            query().map { Resource.error(throwable, mapResult(it)) }
+        }
+    } else {
+        query().map { Resource.success(mapResult(it)) }
+    })
+}
+
+fun <T> flowWithResource(block: suspend () -> T) = flow {
+    emit(Resource.loading())
+    emit(Resource.success(block()))
+}.catch { emit(Resource.error(it)) }
+
+@OptIn(FlowPreview::class)
+fun <T> flowWithResourceIn(block: suspend () -> Flow<Resource<T>>) = flow {
+    emit(Resource.loading())
+    emitAll(block().filter { it.status != Status.LOADING || (it.status == Status.LOADING && it.data != null) })
+}.catch { emit(Resource.error(it)) }
+
+fun <T> Flow<Resource<T>>.afterLoading(callback: () -> Unit) = onEach {
+    if (it.status != Status.LOADING) callback()
+}
+
+suspend fun <T> Flow<Resource<T>>.toFirstResult() = filter { it.status != Status.LOADING }.first()
+
+suspend fun <T> Flow<Resource<T>>.waitForResult() =
+    takeWhile { it.status == Status.LOADING }.collect()
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FragNavControlerExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/FragNavControlerExtension.kt
index 9cec331f8..9dc1e18a0 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/FragNavControlerExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/FragNavControlerExtension.kt
@@ -4,14 +4,14 @@ import androidx.fragment.app.Fragment
 import com.ncapdevi.fragnav.FragNavController
 import io.github.wulkanowy.ui.modules.main.MainView
 
-inline fun FragNavController.setOnViewChangeListener(crossinline listener: (section: MainView.Section?) -> Unit) {
+inline fun FragNavController.setOnViewChangeListener(crossinline listener: (section: MainView.Section?, name: String?) -> Unit) {
     transactionListener = object : FragNavController.TransactionListener {
         override fun onFragmentTransaction(fragment: Fragment?, transactionType: FragNavController.TransactionType) {
-            listener(fragment?.toSection())
+            listener(fragment?.toSection(), fragment?.let { it::class.java.simpleName })
         }
 
         override fun onTabTransaction(fragment: Fragment?, index: Int) {
-            listener(fragment?.toSection())
+            listener(fragment?.toSection(), fragment?.let { it::class.java.simpleName })
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FragmentExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/FragmentExtension.kt
index 1fc3185c8..a49360d7a 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/FragmentExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/FragmentExtension.kt
@@ -2,6 +2,8 @@ package io.github.wulkanowy.utils
 
 import androidx.fragment.app.Fragment
 import io.github.wulkanowy.ui.modules.about.AboutFragment
+import io.github.wulkanowy.ui.modules.account.AccountFragment
+import io.github.wulkanowy.ui.modules.account.accountdetails.AccountDetailsFragment
 import io.github.wulkanowy.ui.modules.attendance.AttendanceFragment
 import io.github.wulkanowy.ui.modules.exam.ExamFragment
 import io.github.wulkanowy.ui.modules.grade.GradeFragment
@@ -11,7 +13,9 @@ import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.more.MoreFragment
 import io.github.wulkanowy.ui.modules.note.NoteFragment
+import io.github.wulkanowy.ui.modules.schoolandteachers.SchoolAndTeachersFragment
 import io.github.wulkanowy.ui.modules.settings.SettingsFragment
+import io.github.wulkanowy.ui.modules.studentinfo.StudentInfoFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
 
 fun Fragment.toSection(): MainView.Section? {
@@ -27,6 +31,10 @@ fun Fragment.toSection(): MainView.Section? {
         is LuckyNumberFragment -> MainView.Section.LUCKY_NUMBER
         is SettingsFragment -> MainView.Section.SETTINGS
         is AboutFragment -> MainView.Section.ABOUT
+        is SchoolAndTeachersFragment -> MainView.Section.SCHOOL
+        is AccountFragment -> MainView.Section.ACCOUNT
+        is AccountDetailsFragment -> MainView.Section.ACCOUNT
+        is StudentInfoFragment -> MainView.Section.STUDENT_INFO
         else -> null
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/GradeExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/GradeExtension.kt
index c863b030f..6facb5ef6 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/GradeExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/GradeExtension.kt
@@ -16,59 +16,68 @@ fun List<Grade>.calcAverage(): Double {
 }
 
 @JvmName("calcSummaryAverage")
-fun List<GradeSummary>.calcAverage(): Double {
-    return asSequence().mapNotNull {
-        if (it.finalGrade.matches("[0-6]".toRegex())) it.finalGrade.toDouble() else null
-    }.average().let { if (it.isNaN()) 0.0 else it }
+fun List<GradeSummary>.calcAverage(plusModifier: Double, minusModifier: Double) = asSequence()
+    .mapNotNull {
+        if (it.finalGrade.matches("[0-6][+-]?".toRegex())) {
+            when {
+                it.finalGrade.endsWith('+') -> {
+                    it.finalGrade.removeSuffix("+").toDouble() + plusModifier
+                }
+                it.finalGrade.endsWith('-') -> {
+                    it.finalGrade.removeSuffix("-").toDouble() - minusModifier
+                }
+                else -> {
+                    it.finalGrade.toDouble()
+                }
+            }
+        } else null
+    }
+    .average()
+    .let { if (it.isNaN()) 0.0 else it }
+
+fun Grade.getBackgroundColor(theme: String) = when (theme) {
+    "grade_color" -> getGradeColor()
+    "material" -> when (value.toInt()) {
+        6 -> R.color.grade_material_six
+        5 -> R.color.grade_material_five
+        4 -> R.color.grade_material_four
+        3 -> R.color.grade_material_three
+        2 -> R.color.grade_material_two
+        1 -> R.color.grade_material_one
+        else -> R.color.grade_material_default
+    }
+    else -> when (value.toInt()) {
+        6 -> R.color.grade_vulcan_six
+        5 -> R.color.grade_vulcan_five
+        4 -> R.color.grade_vulcan_four
+        3 -> R.color.grade_vulcan_three
+        2 -> R.color.grade_vulcan_two
+        1 -> R.color.grade_vulcan_one
+        else -> R.color.grade_vulcan_default
+    }
 }
 
-fun Grade.getBackgroundColor(theme: String): Int {
-    return when (theme) {
-        "grade_color" -> when (color) {
-            "000000" -> R.color.grade_black
-            "F04C4C" -> R.color.grade_red
-            "20A4F7" -> R.color.grade_blue
-            "6ECD07" -> R.color.grade_green
-            "B16CF1" -> R.color.grade_purple
-            else -> R.color.grade_material_default
-        }
-        "material" -> when (value) {
-            6 -> R.color.grade_material_six
-            5 -> R.color.grade_material_five
-            4 -> R.color.grade_material_four
-            3 -> R.color.grade_material_three
-            2 -> R.color.grade_material_two
-            1 -> R.color.grade_material_one
-            else -> R.color.grade_material_default
-        }
-        else -> when (value) {
-            6 -> R.color.grade_vulcan_six
-            5 -> R.color.grade_vulcan_five
-            4 -> R.color.grade_vulcan_four
-            3 -> R.color.grade_vulcan_three
-            2 -> R.color.grade_vulcan_two
-            1 -> R.color.grade_vulcan_one
-            else -> R.color.grade_vulcan_default
-        }
-    }
+fun Grade.getGradeColor() = when (color) {
+    "000000" -> R.color.grade_black
+    "F04C4C" -> R.color.grade_red
+    "20A4F7" -> R.color.grade_blue
+    "6ECD07" -> R.color.grade_green
+    "B16CF1" -> R.color.grade_purple
+    else -> R.color.grade_material_default
 }
 
 inline val Grade.colorStringId: Int
-    get() {
-        return when (color) {
-            "000000" -> R.string.all_black
-            "F04C4C" -> R.string.all_red
-            "20A4F7" -> R.string.all_blue
-            "6ECD07" -> R.string.all_green
-            "B16CF1" -> R.string.all_purple
-            else -> R.string.all_empty_color
-        }
+    get() = when (color) {
+        "000000" -> R.string.all_black
+        "F04C4C" -> R.string.all_red
+        "20A4F7" -> R.string.all_blue
+        "6ECD07" -> R.string.all_green
+        "B16CF1" -> R.string.all_purple
+        else -> R.string.all_empty_color
     }
 
-fun Grade.changeModifier(plusModifier: Double, minusModifier: Double): Grade {
-    return when {
-        modifier != .0 && plusModifier != .0 && modifier > 0 -> copy(modifier = plusModifier)
-        modifier != .0 && minusModifier != .0 && modifier < 0 -> copy(modifier = -minusModifier)
-        else -> this
-    }
+fun Grade.changeModifier(plusModifier: Double, minusModifier: Double) = when {
+    modifier > 0 -> copy(modifier = plusModifier)
+    modifier < 0 -> copy(modifier = -minusModifier)
+    else -> this
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/LifecycleAwareVariable.kt b/app/src/main/java/io/github/wulkanowy/utils/LifecycleAwareVariable.kt
new file mode 100644
index 000000000..d2a8908ce
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/LifecycleAwareVariable.kt
@@ -0,0 +1,59 @@
+package io.github.wulkanowy.utils
+
+import android.os.Handler
+import android.os.Looper
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.OnLifecycleEvent
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+class LifecycleAwareVariable<T : Any> : ReadWriteProperty<Fragment, T>, LifecycleObserver {
+
+    private var _value: T? = null
+
+    override fun setValue(thisRef: Fragment, property: KProperty<*>, value: T) {
+        thisRef.viewLifecycleOwner.lifecycle.removeObserver(this)
+        _value = value
+        thisRef.viewLifecycleOwner.lifecycle.addObserver(this)
+    }
+
+    override fun getValue(thisRef: Fragment, property: KProperty<*>) = _value
+        ?: throw IllegalStateException("Trying to call an lifecycle-aware value outside of the view lifecycle, or the value has not been initialized")
+
+    @Suppress("unused")
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    fun onDestroyView() {
+        _value = null
+    }
+}
+
+class LifecycleAwareVariableActivity<T : Any> : ReadWriteProperty<AppCompatActivity, T>,
+    LifecycleObserver {
+
+    private var _value: T? = null
+
+    override fun setValue(thisRef: AppCompatActivity, property: KProperty<*>, value: T) {
+        thisRef.lifecycle.removeObserver(this)
+        _value = value
+        thisRef.lifecycle.addObserver(this)
+    }
+
+    override fun getValue(thisRef: AppCompatActivity, property: KProperty<*>) = _value
+        ?: throw IllegalStateException("Trying to call an lifecycle-aware value outside of the view lifecycle, or the value has not been initialized")
+
+    @Suppress("unused")
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    fun onDestroyView() {
+        Handler(Looper.getMainLooper()).post {
+            _value = null
+        }
+    }
+}
+
+@Suppress("unused")
+fun <T : Any> Fragment.lifecycleAwareVariable() = LifecycleAwareVariable<T>()
+
+fun <T : Any> lifecycleAwareVariable() = LifecycleAwareVariableActivity<T>()
diff --git a/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt b/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
index f9db04653..48d46892b 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/LoggerUtils.kt
@@ -18,34 +18,36 @@ class DebugLogTree : Timber.DebugTree() {
     }
 }
 
+private fun Bundle?.checkSavedState() = if (this == null) "(STATE IS NULL)" else "(STATE IS NOT NULL)"
+
 class ActivityLifecycleLogger : Application.ActivityLifecycleCallbacks {
 
-    override fun onActivityPaused(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} PAUSED") }
+    override fun onActivityPaused(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} PAUSED")
     }
 
-    override fun onActivityResumed(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} RESUMED") }
+    override fun onActivityResumed(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} RESUMED")
     }
 
-    override fun onActivityStarted(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} STARTED") }
+    override fun onActivityStarted(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} STARTED")
     }
 
-    override fun onActivityDestroyed(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} DESTROYED") }
+    override fun onActivityDestroyed(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} DESTROYED")
     }
 
-    override fun onActivitySaveInstanceState(activity: Activity?, outState: Bundle?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} SAVED INSTANCE STATE") }
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {
+        Timber.d("${activity::class.java.simpleName} SAVED INSTANCE STATE")
     }
 
-    override fun onActivityStopped(activity: Activity?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} STOPPED") }
+    override fun onActivityStopped(activity: Activity) {
+        Timber.d("${activity::class.java.simpleName} STOPPED")
     }
 
-    override fun onActivityCreated(activity: Activity?, savedInstanceState: Bundle?) {
-        activity?.let { Timber.d("${it::class.java.simpleName} CREATED ${checkSavedState(savedInstanceState)}") }
+    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+        Timber.d("${activity::class.java.simpleName} CREATED ${savedInstanceState.checkSavedState()}")
     }
 }
 
@@ -53,7 +55,7 @@ class ActivityLifecycleLogger : Application.ActivityLifecycleCallbacks {
 class FragmentLifecycleLogger @Inject constructor() : FragmentManager.FragmentLifecycleCallbacks() {
 
     override fun onFragmentViewCreated(fm: FragmentManager, f: Fragment, v: View, savedInstanceState: Bundle?) {
-        Timber.d("${f::class.java.simpleName} VIEW CREATED ${checkSavedState(savedInstanceState)}")
+        Timber.d("${f::class.java.simpleName} VIEW CREATED ${savedInstanceState.checkSavedState()}")
     }
 
     override fun onFragmentStopped(fm: FragmentManager, f: Fragment) {
@@ -61,7 +63,7 @@ class FragmentLifecycleLogger @Inject constructor() : FragmentManager.FragmentLi
     }
 
     override fun onFragmentCreated(fm: FragmentManager, f: Fragment, savedInstanceState: Bundle?) {
-        Timber.d("${f::class.java.simpleName} CREATED ${checkSavedState(savedInstanceState)}")
+        Timber.d("${f::class.java.simpleName} CREATED ${savedInstanceState.checkSavedState()}")
     }
 
     override fun onFragmentResumed(fm: FragmentManager, f: Fragment) {
@@ -89,7 +91,7 @@ class FragmentLifecycleLogger @Inject constructor() : FragmentManager.FragmentLi
     }
 
     override fun onFragmentActivityCreated(fm: FragmentManager, f: Fragment, savedInstanceState: Bundle?) {
-        Timber.d("${f::class.java.simpleName} ACTIVITY CREATED ${checkSavedState(savedInstanceState)}")
+        Timber.d("${f::class.java.simpleName} ACTIVITY CREATED ${savedInstanceState.checkSavedState()}")
     }
 
     override fun onFragmentPaused(fm: FragmentManager, f: Fragment) {
@@ -100,5 +102,3 @@ class FragmentLifecycleLogger @Inject constructor() : FragmentManager.FragmentLi
         Timber.d("${f::class.java.simpleName} DETACHED")
     }
 }
-
-private fun checkSavedState(savedInstanceState: Bundle?) = if (savedInstanceState == null) "(STATE IS NULL)" else ""
diff --git a/app/src/main/java/io/github/wulkanowy/utils/RefreshUtils.kt b/app/src/main/java/io/github/wulkanowy/utils/RefreshUtils.kt
new file mode 100644
index 000000000..cd59b8648
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/RefreshUtils.kt
@@ -0,0 +1,50 @@
+package io.github.wulkanowy.utils
+
+import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.SharedPrefProvider
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.enums.MessageFolder
+import timber.log.Timber
+import java.time.LocalDate
+import java.time.LocalDateTime
+import javax.inject.Inject
+
+fun getRefreshKey(name: String, semester: Semester, start: LocalDate, end: LocalDate): String {
+    return "${name}_${semester.studentId}_${semester.semesterId}_${start.monday}_${end.sunday}"
+}
+
+fun getRefreshKey(name: String, semester: Semester): String {
+    return "${name}_${semester.studentId}_${semester.semesterId}"
+}
+
+fun getRefreshKey(name: String, student: Student): String {
+    return "${name}_${student.userLoginId}"
+}
+
+fun getRefreshKey(name: String, student: Student, folder: MessageFolder): String {
+    return "${name}_${student.id}_${folder.id}"
+}
+
+class AutoRefreshHelper @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val sharedPref: SharedPrefProvider
+) {
+
+    fun isShouldBeRefreshed(key: String): Boolean {
+        val timestamp = sharedPref.getLong(key, 0).toLocalDateTime()
+        val servicesInterval = sharedPref.getString(context.getString(R.string.pref_key_services_interval), context.getString(R.string.pref_default_services_interval)).toLong()
+
+        val shouldBeRefreshed = timestamp < LocalDateTime.now().minusMinutes(servicesInterval)
+
+        Timber.d("Check if $key need to be refreshed: $shouldBeRefreshed (last refresh: $timestamp, interval: $servicesInterval min)")
+
+        return shouldBeRefreshed
+    }
+
+    fun updateLastRefreshTimestamp(key: String) {
+        sharedPref.putLong(key, LocalDateTime.now().toTimestamp())
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/ResourcesExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/ResourcesExtension.kt
new file mode 100644
index 000000000..da5fd3dbb
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/ResourcesExtension.kt
@@ -0,0 +1,29 @@
+package io.github.wulkanowy.utils
+
+import android.content.res.Resources
+import io.github.wulkanowy.R
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.scrapper.exception.ScrapperException
+import io.github.wulkanowy.sdk.scrapper.exception.ServiceUnavailableException
+import io.github.wulkanowy.sdk.scrapper.exception.VulcanException
+import io.github.wulkanowy.sdk.scrapper.login.NotLoggedInException
+import io.github.wulkanowy.sdk.scrapper.login.PasswordChangeRequiredException
+import okhttp3.internal.http2.StreamResetException
+import java.io.InterruptedIOException
+import java.net.ConnectException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+
+fun Resources.getString(error: Throwable) = when (error) {
+    is UnknownHostException -> getString(R.string.error_no_internet)
+    is SocketTimeoutException, is InterruptedIOException, is ConnectException, is StreamResetException -> getString(R.string.error_timeout)
+    is NotLoggedInException -> getString(R.string.error_login_failed)
+    is PasswordChangeRequiredException -> getString(R.string.error_password_change_required)
+    is ServiceUnavailableException -> getString(R.string.error_service_unavailable)
+    is FeatureDisabledException -> getString(R.string.error_feature_disabled)
+    is FeatureNotAvailableException -> getString(R.string.error_feature_not_available)
+    is VulcanException -> getString(R.string.error_unknown_uonet)
+    is ScrapperException -> getString(R.string.error_unknown_app)
+    else -> getString(R.string.error_unknown)
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt b/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt
deleted file mode 100644
index e426d4d5d..000000000
--- a/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package io.github.wulkanowy.utils
-
-import io.reactivex.Scheduler
-import io.reactivex.android.schedulers.AndroidSchedulers
-import io.reactivex.schedulers.Schedulers
-
-open class SchedulersProvider {
-
-    open val mainThread: Scheduler
-        get() = AndroidSchedulers.mainThread()
-
-    open val backgroundThread: Scheduler
-        get() = Schedulers.io()
-}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SchooldaysRangeLimiter.kt b/app/src/main/java/io/github/wulkanowy/utils/SchooldaysRangeLimiter.kt
new file mode 100644
index 000000000..e7c51745c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/SchooldaysRangeLimiter.kt
@@ -0,0 +1,51 @@
+package io.github.wulkanowy.utils
+
+import android.os.Parcel
+import android.os.Parcelable
+import com.wdullaer.materialdatetimepicker.date.DateRangeLimiter
+import java.time.DayOfWeek
+import java.time.LocalDate
+import java.util.Calendar
+
+@Suppress("UNUSED_PARAMETER")
+class SchooldaysRangeLimiter : DateRangeLimiter {
+
+    private val now = LocalDate.now()
+
+    override fun setToNearestDate(day: Calendar): Calendar = day
+
+    override fun isOutOfRange(year: Int, month: Int, day: Int): Boolean {
+        val date = LocalDate.of(year, month + 1, day)
+        val dayOfWeek = date.dayOfWeek
+        return dayOfWeek == DayOfWeek.SUNDAY || date.isHolidays
+    }
+
+    override fun getStartDate(): Calendar {
+        val startYear = if (now.monthValue <= 6) now.year - 1 else now.year
+        val startOfSchoolYear = now.withYear(startYear).firstSchoolDay
+
+        val calendar = Calendar.getInstance()
+        calendar.set(startOfSchoolYear.year, startOfSchoolYear.monthValue - 1, startOfSchoolYear.dayOfMonth)
+        return calendar
+    }
+
+    override fun getEndDate(): Calendar {
+        val endYear = if (now.monthValue > 6) now.year + 1 else now.year
+        val endOfSchoolYear = now.withYear(endYear).lastSchoolDay
+
+        val calendar = Calendar.getInstance()
+        calendar.set(endOfSchoolYear.year, endOfSchoolYear.monthValue - 1, endOfSchoolYear.dayOfMonth)
+        return calendar
+    }
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {}
+
+    override fun describeContents() = 0
+
+    companion object CREATOR : Parcelable.Creator<SchooldaysRangeLimiter> {
+
+        override fun createFromParcel(parcel: Parcel): SchooldaysRangeLimiter = SchooldaysRangeLimiter()
+
+        override fun newArray(size: Int): Array<SchooldaysRangeLimiter?> = arrayOfNulls(size)
+    }
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SdkExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/SdkExtension.kt
new file mode 100644
index 000000000..63a30db8c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/SdkExtension.kt
@@ -0,0 +1,31 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
+import timber.log.Timber
+
+fun Sdk.init(student: Student): Sdk {
+    email = student.email
+    password = student.password
+    symbol = student.symbol
+    schoolSymbol = student.schoolSymbol
+    studentId = student.studentId
+    classId = student.classId
+
+    if (Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
+        scrapperBaseUrl = student.scrapperBaseUrl
+        loginType = Sdk.ScrapperLoginType.valueOf(student.loginType)
+    }
+    loginId = student.userLoginId
+
+    mode = Sdk.Mode.valueOf(student.loginMode)
+    mobileBaseUrl = student.mobileBaseUrl
+    certKey = student.certificateKey
+    privateKey = student.privateKey
+
+    emptyCookieJarInterceptor = true
+
+    Timber.d("Sdk in ${student.loginMode} mode reinitialized")
+
+    return this
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SemesterExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/SemesterExtension.kt
new file mode 100644
index 000000000..6e11a8b2c
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/SemesterExtension.kt
@@ -0,0 +1,19 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.Semester
+import java.time.LocalDate.now
+
+inline val Semester.isCurrent: Boolean
+    get() = now() in start..end
+
+fun List<Semester>.getCurrentOrLast(): Semester {
+    if (isEmpty()) throw RuntimeException("Empty semester list")
+
+    // when there is only one current semester
+    singleOrNull { it.isCurrent }?.let { return it }
+
+    // when there is more than one current semester - find one with higher id
+    singleOrNull { semester -> semester.semesterId == maxByOrNull { it.semesterId }?.semesterId }?.let { return it }
+
+    throw IllegalArgumentException("Duplicated last semester! Semesters: ${joinToString(separator = "\n")}")
+}
diff --git a/app/src/main/java/io/github/wulkanowy/utils/StudentExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/StudentExtension.kt
new file mode 100644
index 000000000..fdd0610a0
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/StudentExtension.kt
@@ -0,0 +1,5 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.Student
+
+inline val Student.nickOrName get() = if (nick.isBlank()) studentName else nick
diff --git a/app/src/main/java/io/github/wulkanowy/utils/TimeExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/TimeExtension.kt
index a2672f865..d80abbd12 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/TimeExtension.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/TimeExtension.kt
@@ -1,61 +1,43 @@
 package io.github.wulkanowy.utils
 
-import org.threeten.bp.DateTimeUtils
-import org.threeten.bp.DayOfWeek.FRIDAY
-import org.threeten.bp.DayOfWeek.MONDAY
-import org.threeten.bp.DayOfWeek.SATURDAY
-import org.threeten.bp.DayOfWeek.SUNDAY
-import org.threeten.bp.Instant
-import org.threeten.bp.Instant.ofEpochMilli
-import org.threeten.bp.LocalDate
-import org.threeten.bp.LocalDateTime
-import org.threeten.bp.Month
-import org.threeten.bp.ZoneId
-import org.threeten.bp.format.DateTimeFormatter.ofPattern
-import org.threeten.bp.format.TextStyle.FULL_STANDALONE
-import org.threeten.bp.temporal.TemporalAdjusters.firstInMonth
-import org.threeten.bp.temporal.TemporalAdjusters.next
-import org.threeten.bp.temporal.TemporalAdjusters.previous
-import java.util.Date
+import android.annotation.SuppressLint
+import java.text.SimpleDateFormat
+import java.time.DayOfWeek.FRIDAY
+import java.time.DayOfWeek.MONDAY
+import java.time.DayOfWeek.SATURDAY
+import java.time.DayOfWeek.SUNDAY
+import java.time.Instant.ofEpochMilli
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalDateTime.now
+import java.time.LocalDateTime.ofInstant
+import java.time.Month
+import java.time.ZoneId
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter.ofPattern
+import java.time.temporal.TemporalAdjusters.firstInMonth
+import java.time.temporal.TemporalAdjusters.next
+import java.time.temporal.TemporalAdjusters.previous
 import java.util.Locale
 
 private const val DATE_PATTERN = "dd.MM.yyyy"
 
-fun Date.toLocalDate(): LocalDate = Instant.ofEpochMilli(time).atZone(ZoneId.systemDefault()).toLocalDate()
-
-fun Date.toLocalDateTime(): LocalDateTime = ofEpochMilli(time).atZone(ZoneId.systemDefault()).toLocalDateTime()
-
 fun String.toLocalDate(format: String = DATE_PATTERN): LocalDate = LocalDate.parse(this, ofPattern(format))
 
+fun LocalDateTime.toTimestamp() = atZone(ZoneId.systemDefault()).withZoneSameInstant(ZoneOffset.UTC).toInstant().toEpochMilli()
+
+fun Long.toLocalDateTime(): LocalDateTime = ofInstant(ofEpochMilli(this), ZoneId.systemDefault())
+
 fun LocalDate.toFormattedString(format: String = DATE_PATTERN): String = format(ofPattern(format))
 
 fun LocalDateTime.toFormattedString(format: String = DATE_PATTERN): String = format(ofPattern(format))
 
-fun LocalDateTime.toDate(): Date = DateTimeUtils.toDate(atZone(ZoneId.systemDefault()).toInstant())
-
-/**
- * https://github.com/ThreeTen/threetenbp/issues/55
- */
-
+@SuppressLint("DefaultLocale")
 fun Month.getFormattedName(): String {
-    return getDisplayName(FULL_STANDALONE, Locale.getDefault())
-        .let {
-            when (it) {
-                "stycznia" -> "Styczeń"
-                "lutego" -> "Luty"
-                "marca" -> "Marzec"
-                "kwietnia" -> "Kwiecień"
-                "maja" -> "Maj"
-                "czerwca" -> "Czerwiec"
-                "lipca" -> "Lipiec"
-                "sierpnia" -> "Sierpień"
-                "września" -> "Wrzesień"
-                "października" -> "Październik"
-                "listopada" -> "Listopad"
-                "grudnia" -> "Grudzień"
-                else -> it
-            }
-        }
+    val formatter = SimpleDateFormat("LLLL", Locale.getDefault())
+
+    val date = now().withMonth(value)
+    return formatter.format(date.toInstant(ZoneOffset.UTC).toEpochMilli()).capitalize()
 }
 
 inline val LocalDate.nextSchoolDay: LocalDate
@@ -82,6 +64,12 @@ inline val LocalDate.nextOrSameSchoolDay: LocalDate
         }
     }
 
+inline val LocalDate.startExamsDay: LocalDate
+    get() = nextOrSameSchoolDay.monday
+
+inline val LocalDate.endExamsDay: LocalDate
+    get() = nextOrSameSchoolDay.monday.plusWeeks(4).minusDays(1)
+
 inline val LocalDate.previousOrSameSchoolDay: LocalDate
     get() {
         return when (dayOfWeek) {
@@ -93,19 +81,15 @@ inline val LocalDate.previousOrSameSchoolDay: LocalDate
 inline val LocalDate.weekDayName: String
     get() = format(ofPattern("EEEE", Locale.getDefault()))
 
-inline val LocalDate.shortcutWeekDayName: String
-    get() = format(ofPattern("EEE", Locale.getDefault()))
-
 inline val LocalDate.monday: LocalDate
     get() = with(MONDAY)
 
-inline val LocalDate.friday: LocalDate
-    get() = with(FRIDAY)
+inline val LocalDate.sunday: LocalDate
+    get() = with(SUNDAY)
 
 /**
  * [Dz.U. 2016 poz. 1335](http://prawo.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20160001335)
  */
-
 inline val LocalDate.isHolidays: Boolean
     get() = isBefore(firstSchoolDay) && isAfter(lastSchoolDay)
 
@@ -121,7 +105,6 @@ inline val LocalDate.lastSchoolDay: LocalDate
     get() = LocalDate.of(year, 6, 20)
         .with(next(FRIDAY))
 
-
 private fun Int.getSchoolYearByMonth(monthValue: Int): Int {
     return when (monthValue) {
         in 9..12 -> this
diff --git a/app/src/main/java/io/github/wulkanowy/utils/TimetableExtension.kt b/app/src/main/java/io/github/wulkanowy/utils/TimetableExtension.kt
new file mode 100644
index 000000000..f3591306e
--- /dev/null
+++ b/app/src/main/java/io/github/wulkanowy/utils/TimetableExtension.kt
@@ -0,0 +1,29 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.Timetable
+import java.time.Duration
+import java.time.Duration.between
+import java.time.LocalDateTime
+import java.time.LocalDateTime.now
+
+fun Timetable.isShowTimeUntil(previousLessonEnd: LocalDateTime?) = when {
+    !isStudentPlan -> false
+    canceled -> false
+    now().isAfter(start) -> false
+    previousLessonEnd != null && now().isBefore(previousLessonEnd) -> false
+    else -> between(now(), start) <= Duration.ofMinutes(60)
+}
+
+inline val Timetable.left: Duration?
+    get() = when {
+        canceled -> null
+        !isStudentPlan -> null
+        end.isAfter(now()) && start.isBefore(now()) -> between(now(), end)
+        else -> null
+    }
+
+inline val Timetable.until: Duration
+    get() = between(now(), start)
+
+inline val Timetable.isJustFinished: Boolean
+    get() = end.isBefore(now()) && end.plusSeconds(15).isAfter(now()) && !canceled
diff --git a/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt b/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt
index 24e6d3ffa..264f45426 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt
@@ -14,7 +14,6 @@ import android.security.keystore.KeyProperties.DIGEST_SHA512
 import android.security.keystore.KeyProperties.ENCRYPTION_PADDING_RSA_OAEP
 import android.security.keystore.KeyProperties.PURPOSE_DECRYPT
 import android.security.keystore.KeyProperties.PURPOSE_ENCRYPT
-import android.util.Base64
 import android.util.Base64.DEFAULT
 import android.util.Base64.decode
 import android.util.Base64.encode
@@ -60,7 +59,7 @@ fun encrypt(plainText: String, context: Context): String {
     if (plainText.isEmpty()) throw ScramblerException("Text to be encrypted is empty")
 
     if (SDK_INT < JELLY_BEAN_MR2) {
-        return String(Base64.encode(plainText.toByteArray(KEY_CHARSET), DEFAULT), KEY_CHARSET)
+        return String(encode(plainText.toByteArray(KEY_CHARSET), DEFAULT), KEY_CHARSET)
     }
 
     return try {
diff --git a/app/src/main/play/listings/pl-PL/full-description.txt b/app/src/main/play/listings/pl-PL/full-description.txt
index d33cb56f2..7da51da2d 100644
--- a/app/src/main/play/listings/pl-PL/full-description.txt
+++ b/app/src/main/play/listings/pl-PL/full-description.txt
@@ -1,10 +1,10 @@
-Aplikacja jest we wczesnej fazie rozwoju, ciągle pracujemy nad kolejnymi funkcjami.
+Aplikacja jest przeznaczona dla użytkowników dziennika VULCAN UONET+.
 
 Wyróżnione cechy i funkcje:
 - obliczanie średniej ważonej,
 - procentowy podgląd frekwencji,
 - szczęśliwy numerek,
-- podgląd lekcji zrealizowanych,
+- podgląd lekcji dodatkowych i zrealizowanych,
 - ciemny motyw.
 - brak reklam,
 - tryb offline,
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-start.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-start.jpg
new file mode 100644
index 000000000..0ed20c04d
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-start.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2.jpg
new file mode 100644
index 000000000..f70e2c43b
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-timetable-dialog.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-timetable-dialog.jpg
new file mode 100644
index 000000000..968fccdbe
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-timetable-dialog.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-exams.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-exams.jpg
new file mode 100644
index 000000000..3f49e774a
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-exams.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-timetable-widget.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-timetable-widget.jpg
new file mode 100644
index 000000000..f68daaf1a
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-timetable-widget.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-class-grades.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-class-grades.jpg
new file mode 100644
index 000000000..ca5446a24
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-class-grades.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-account-switcher.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-account-switcher.jpg
new file mode 100644
index 000000000..ca747aff0
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-account-switcher.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/8-themes.jpg b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/8-themes.jpg
new file mode 100644
index 000000000..ce3af9bbf
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/8-themes.jpg differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png
deleted file mode 100644
index 8a52d8de8..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png
deleted file mode 100644
index c65085747..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png
deleted file mode 100644
index 376fc3c3f..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png
deleted file mode 100644
index 6b4089b02..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png
deleted file mode 100644
index c3dc523ff..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png
deleted file mode 100644
index 511433d45..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png
deleted file mode 100644
index 1d5024707..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png and /dev/null differ
diff --git a/app/src/main/play/release-notes/pl-PL/default.txt b/app/src/main/play/release-notes/pl-PL/default.txt
index f60764da1..8b264d441 100644
--- a/app/src/main/play/release-notes/pl-PL/default.txt
+++ b/app/src/main/play/release-notes/pl-PL/default.txt
@@ -1,7 +1,11 @@
-Wersja 0.10.0
+Wersja 1.1.3
 
-- odświeżyliśmy wygląd aplikacji
-- poprawiliśmy wyświetlanie nauczycieli w planie lekcji
-- naprawiliśmy szczęsliwy numerek
+Oprócz tego naprawiliśmy:
+- rzadkie problemy ze stabilnością przy logowaniu i w innych miejscach
+- brakujące awatary przy zmianie konta z poziomu widżetu
+- wysyłanie wiadomości gdy w aplikacji jest zalogowany jednocześnie uczeń i rodzic
+
+Ta wersja jest ostatnią, która będzie działać na starszych urządzeniach z Androidem 4.
+Od tej pory do końca roku bedziemy dla nich udostępniać wyłącznie krytyczne poprawki błędów
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases
diff --git a/app/src/main/res/drawable-anydpi-v24/ic_stat_grade.xml b/app/src/main/res/drawable-anydpi-v24/ic_stat_grade.xml
index 2774dd5dd..21b406fdc 100644
--- a/app/src/main/res/drawable-anydpi-v24/ic_stat_grade.xml
+++ b/app/src/main/res/drawable-anydpi-v24/ic_stat_grade.xml
@@ -3,11 +3,7 @@
     android:height="24dp"
     android:viewportWidth="28.26087"
     android:viewportHeight="28.26087">
-    <group
-        android:translateX="1.1304348"
-        android:translateY="1.1304348">
-        <path
-            android:fillColor="#FFF"
-            android:pathData="M13 11h2v2h-2m0 2h2a2 2 0 0 0 2-2v-2a2 2 0 0 0-2-2h-2V7h4V5h-4a2 2 0 0 0-2 2v6c0 1.1 0.9 2 2 2m8 2H7V3h14m0-2H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V3a2 2 0 0 0-2-2M3 5H1v16a2 2 0 0 0 2 2h16v-2H3V5z" />
-    </group>
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M13 11h2v2h-2m0 2h2a2 2 0 0 0 2-2v-2a2 2 0 0 0-2-2h-2V7h4V5h-4a2 2 0 0 0-2 2v6c0 1.1 0.9 2 2 2m8 2H7V3h14m0-2H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V3a2 2 0 0 0-2-2M3 5H1v16a2 2 0 0 0 2 2h16v-2H3V5z" />
 </vector>
diff --git a/app/src/main/res/drawable-anydpi-v24/ic_stat_luckynumber.xml b/app/src/main/res/drawable-anydpi-v24/ic_stat_luckynumber.xml
index 4699c4576..bee1c7072 100644
--- a/app/src/main/res/drawable-anydpi-v24/ic_stat_luckynumber.xml
+++ b/app/src/main/res/drawable-anydpi-v24/ic_stat_luckynumber.xml
@@ -3,11 +3,7 @@
     android:height="24dp"
     android:viewportWidth="26.086956"
     android:viewportHeight="26.086956">
-    <group
-        android:translateX="1.0434783"
-        android:translateY="1.0434783">
-        <path
-            android:fillColor="#FFF"
-            android:pathData="M12,11.18C15.3,8.18 17,6.64 17,4.69C17,3.19 15.75,2 14.25,2C13.39,2 12.57,2.36 12,3C11.43,2.36 10.61,2 9.69,2C8.19,2 7,3.25 7,4.75C7,6.64 8.7,8.18 12,11.18M11.18,12C8.18,8.7 6.64,7 4.69,7C3.19,7 2,8.25 2, 9.75C2,10.61 2.36,11.43 3,12C2.36,12.57 2,13.39 2,14.31C2,15.81 3.25,17 4.75,17C6.64,17 8.18,15.3 11.18,12M12.83, 12C15.82,15.3 17.36,17 19.31,17C20.81,17 22,15.75 22,14.25C22,13.39 21.64,12.57 21,12C21.64,11.43 22,10.61 22,9.69C22, 8.19 20.75,7 19.25,7C17.36,7 15.82,8.7 12.83,12M12,12.82C8.7,15.82 7,17.36 7,19.31C7,20.81 8.25,22 9.75,22C10.61,22 11.43,21.64 12,21C12.57,21.64 13.39,22 14.31,22C15.81,22 17,20.75 17,19.25C17,17.36 15.3,15.82 12,12.82Z" />
-    </group>
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M12,11.18C15.3,8.18 17,6.64 17,4.69C17,3.19 15.75,2 14.25,2C13.39,2 12.57,2.36 12,3C11.43,2.36 10.61,2 9.69,2C8.19,2 7,3.25 7,4.75C7,6.64 8.7,8.18 12,11.18M11.18,12C8.18,8.7 6.64,7 4.69,7C3.19,7 2,8.25 2, 9.75C2,10.61 2.36,11.43 3,12C2.36,12.57 2,13.39 2,14.31C2,15.81 3.25,17 4.75,17C6.64,17 8.18,15.3 11.18,12M12.83, 12C15.82,15.3 17.36,17 19.31,17C20.81,17 22,15.75 22,14.25C22,13.39 21.64,12.57 21,12C21.64,11.43 22,10.61 22,9.69C22, 8.19 20.75,7 19.25,7C17.36,7 15.82,8.7 12.83,12M12,12.82C8.7,15.82 7,17.36 7,19.31C7,20.81 8.25,22 9.75,22C10.61,22 11.43,21.64 12,21C12.57,21.64 13.39,22 14.31,22C15.81,22 17,20.75 17,19.25C17,17.36 15.3,15.82 12,12.82Z" />
 </vector>
diff --git a/app/src/main/res/drawable-anydpi-v24/ic_stat_message.xml b/app/src/main/res/drawable-anydpi-v24/ic_stat_message.xml
index cb42d7cc2..89a8aef29 100644
--- a/app/src/main/res/drawable-anydpi-v24/ic_stat_message.xml
+++ b/app/src/main/res/drawable-anydpi-v24/ic_stat_message.xml
@@ -3,11 +3,7 @@
     android:height="24dp"
     android:viewportWidth="26.086956"
     android:viewportHeight="26.086956">
-    <group
-        android:translateX="1.0434783"
-        android:translateY="1.0434783">
-        <path
-            android:fillColor="#FFF"
-            android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM18,14L6,14v-2h12v2zM18,11L6,11L6,9h12v2zM18,8L6,8L6,6h12v2z" />
-    </group>
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM18,14L6,14v-2h12v2zM18,11L6,11L6,9h12v2zM18,8L6,8L6,6h12v2z" />
 </vector>
diff --git a/app/src/main/res/drawable-anydpi-v24/ic_stat_note.xml b/app/src/main/res/drawable-anydpi-v24/ic_stat_note.xml
index d6b0d4d17..0f335336b 100644
--- a/app/src/main/res/drawable-anydpi-v24/ic_stat_note.xml
+++ b/app/src/main/res/drawable-anydpi-v24/ic_stat_note.xml
@@ -3,11 +3,7 @@
     android:height="24dp"
     android:viewportWidth="26.086956"
     android:viewportHeight="26.086956">
-    <group
-        android:translateX="1.0434783"
-        android:translateY="1.0434783">
-        <path
-            android:fillColor="#FFF"
-            android:pathData="M20.2,2H19.5H18C17.1,2 16,3 16,4H8C8,3 6.9,2 6,2H4.5H3.8H2V11C2,12 3,13 4,13H6.2C6.6,15 7.9,16.7 11,17V19.1C8.8,19.3 8,20.4 8,21.7V22H16V21.7C16,20.4 15.2,19.3 13,19.1V17C16.1,16.7 17.4,15 17.8,13H20C21,13 22,12 22,11V2H20.2M4,11V4H6V6V11C5.1,11 4.3,11 4,11M20,11C19.7,11 18.9,11 18,11V6V4H20V11Z" />
-    </group>
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M20.2,2H19.5H18C17.1,2 16,3 16,4H8C8,3 6.9,2 6,2H4.5H3.8H2V11C2,12 3,13 4,13H6.2C6.6,15 7.9,16.7 11,17V19.1C8.8,19.3 8,20.4 8,21.7V22H16V21.7C16,20.4 15.2,19.3 13,19.1V17C16.1,16.7 17.4,15 17.8,13H20C21,13 22,12 22,11V2H20.2M4,11V4H6V6V11C5.1,11 4.3,11 4,11M20,11C19.7,11 18.9,11 18,11V6V4H20V11Z" />
 </vector>
diff --git a/app/src/main/res/drawable-anydpi-v24/ic_stat_timetable.xml b/app/src/main/res/drawable-anydpi-v24/ic_stat_timetable.xml
new file mode 100644
index 000000000..9efc03489
--- /dev/null
+++ b/app/src/main/res/drawable-anydpi-v24/ic_stat_timetable.xml
@@ -0,0 +1,16 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <group
+        android:scaleX="0.92"
+        android:scaleY="0.92"
+        android:translateX="0.96"
+        android:translateY="0.96">
+        <path
+            android:fillColor="#FFF"
+            android:pathData="M14,12H15.5V14.82L17.94,16.23L17.19,17.53L14,15.69V12M4,2H18A2,2 0 0,1 20,4V10.1C21.24,11.36 22,13.09 22,15A7,7 0 0,1 15,22C13.09,22 11.36,21.24 10.1,20H4A2,2 0 0,1 2,18V4A2,2 0 0,1 4,2M4,15V18H8.67C8.24,17.09 8,16.07 8,15H4M4,8H10V5H4V8M18,8V5H12V8H18M4,13H8.29C8.63,11.85 9.26,10.82 10.1,10H4V13M15,10.15A4.85,4.85 0 0,0 10.15,15C10.15,17.68 12.32,19.85 15,19.85A4.85,4.85 0 0,0 19.85,15C19.85,12.32 17.68,10.15 15,10.15Z" />
+    </group>
+</vector>
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_attendance.png b/app/src/main/res/drawable-hdpi/ic_shortcut_attendance.png
new file mode 100644
index 000000000..0b5feff2d
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_attendance.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_exam.png b/app/src/main/res/drawable-hdpi/ic_shortcut_exam.png
new file mode 100644
index 000000000..e5af0d086
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_exam.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_grade.png b/app/src/main/res/drawable-hdpi/ic_shortcut_grade.png
new file mode 100644
index 000000000..095a8228c
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_grade.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_message.png b/app/src/main/res/drawable-hdpi/ic_shortcut_message.png
new file mode 100644
index 000000000..7bcd79e01
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_message.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_shortcut_timetable.png b/app/src/main/res/drawable-hdpi/ic_shortcut_timetable.png
new file mode 100644
index 000000000..2808559a5
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_shortcut_timetable.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_stat_push.png b/app/src/main/res/drawable-hdpi/ic_stat_push.png
new file mode 100644
index 000000000..84578183f
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_stat_push.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_stat_timetable.png b/app/src/main/res/drawable-hdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..21095e296
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_stat_timetable.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_attendance.png b/app/src/main/res/drawable-mdpi/ic_shortcut_attendance.png
new file mode 100644
index 000000000..e81e7ad92
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_attendance.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_exam.png b/app/src/main/res/drawable-mdpi/ic_shortcut_exam.png
new file mode 100644
index 000000000..3bdb5297f
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_exam.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_grade.png b/app/src/main/res/drawable-mdpi/ic_shortcut_grade.png
new file mode 100644
index 000000000..e35135071
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_grade.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_message.png b/app/src/main/res/drawable-mdpi/ic_shortcut_message.png
new file mode 100644
index 000000000..392c45d24
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_message.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_shortcut_timetable.png b/app/src/main/res/drawable-mdpi/ic_shortcut_timetable.png
new file mode 100644
index 000000000..7d61306a4
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_shortcut_timetable.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_stat_push.png b/app/src/main/res/drawable-mdpi/ic_stat_push.png
new file mode 100644
index 000000000..d1e954b0c
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_stat_push.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_stat_timetable.png b/app/src/main/res/drawable-mdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..9147c4090
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_stat_timetable.png differ
diff --git a/app/src/main/res/drawable-night/background_header_note.xml b/app/src/main/res/drawable-night/background_header_note.xml
new file mode 100644
index 000000000..6b594e7c6
--- /dev/null
+++ b/app/src/main/res/drawable-night/background_header_note.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/colorPrimaryLight" />
+    <corners android:radius="12dp" />
+</shape>
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_attendance.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_attendance.png
new file mode 100644
index 000000000..302b9e0ee
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_attendance.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_exam.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_exam.png
new file mode 100644
index 000000000..9f36ca47a
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_exam.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_grade.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_grade.png
new file mode 100644
index 000000000..281bc7a31
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_grade.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_message.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_message.png
new file mode 100644
index 000000000..184929a3c
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_message.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_shortcut_timetable.png b/app/src/main/res/drawable-xhdpi/ic_shortcut_timetable.png
new file mode 100644
index 000000000..9a40fe61c
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_shortcut_timetable.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_stat_push.png b/app/src/main/res/drawable-xhdpi/ic_stat_push.png
new file mode 100644
index 000000000..79b38e63f
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_stat_push.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_stat_timetable.png b/app/src/main/res/drawable-xhdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..96942b5a3
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_stat_timetable.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_attendance.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_attendance.png
new file mode 100644
index 000000000..9b4ef2daf
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_attendance.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_exam.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_exam.png
new file mode 100644
index 000000000..c2677a139
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_exam.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_grade.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_grade.png
new file mode 100644
index 000000000..8b51021cb
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_grade.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_message.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_message.png
new file mode 100644
index 000000000..250c290aa
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_message.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_shortcut_timetable.png b/app/src/main/res/drawable-xxhdpi/ic_shortcut_timetable.png
new file mode 100644
index 000000000..c530153a1
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_shortcut_timetable.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_stat_push.png b/app/src/main/res/drawable-xxhdpi/ic_stat_push.png
new file mode 100644
index 000000000..bc33cb5b1
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_stat_push.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_stat_timetable.png b/app/src/main/res/drawable-xxhdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..510da8d52
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_stat_timetable.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_attendance.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_attendance.png
new file mode 100644
index 000000000..7b9a68a70
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_attendance.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_exam.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_exam.png
new file mode 100644
index 000000000..519c50abc
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_exam.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_grade.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_grade.png
new file mode 100644
index 000000000..13c793d5e
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_grade.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_message.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_message.png
new file mode 100644
index 000000000..eaffa2dde
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_message.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_shortcut_timetable.png b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_timetable.png
new file mode 100644
index 000000000..03522e9a5
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_shortcut_timetable.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_stat_push.png b/app/src/main/res/drawable-xxxhdpi/ic_stat_push.png
new file mode 100644
index 000000000..b354bd06c
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_stat_push.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_stat_timetable.png b/app/src/main/res/drawable-xxxhdpi/ic_stat_timetable.png
new file mode 100644
index 000000000..a95cc4f5d
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_stat_timetable.png differ
diff --git a/app/src/main/res/drawable/background_header_note.xml b/app/src/main/res/drawable/background_header_note.xml
new file mode 100644
index 000000000..c21e55c6b
--- /dev/null
+++ b/app/src/main/res/drawable/background_header_note.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/colorPrimary" />
+    <corners android:radius="12dp" />
+</shape>
diff --git a/app/src/main/res/drawable/backgorund_luckynumber_widget.xml b/app/src/main/res/drawable/background_luckynumber_widget.xml
similarity index 78%
rename from app/src/main/res/drawable/backgorund_luckynumber_widget.xml
rename to app/src/main/res/drawable/background_luckynumber_widget.xml
index 38cbde9b1..f29744d0c 100644
--- a/app/src/main/res/drawable/backgorund_luckynumber_widget.xml
+++ b/app/src/main/res/drawable/background_luckynumber_widget.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <solid android:color="#FFF" />
+    <solid android:color="@android:color/white" />
     <corners android:radius="5dp" />
 </shape>
diff --git a/app/src/main/res/drawable/background_luckynumber_widget_dark.xml b/app/src/main/res/drawable/background_luckynumber_widget_dark.xml
new file mode 100644
index 000000000..fa15fd857
--- /dev/null
+++ b/app/src/main/res/drawable/background_luckynumber_widget_dark.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/colorWidgetBackground" />
+    <corners android:radius="5dp" />
+</shape>
diff --git a/app/src/main/res/drawable/background_timetable_time_left.xml b/app/src/main/res/drawable/background_timetable_time_left.xml
new file mode 100644
index 000000000..0f3326112
--- /dev/null
+++ b/app/src/main/res/drawable/background_timetable_time_left.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="3dp"/>
+    <padding android:left="0dp" android:top="0dp" android:right="0dp" android:bottom="0dp" />
+</shape>
diff --git a/app/src/main/res/drawable/ic_about_creator.xml b/app/src/main/res/drawable/ic_about_creator.xml
new file mode 100644
index 000000000..c3daf609d
--- /dev/null
+++ b/app/src/main/res/drawable/ic_about_creator.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFF"
+      android:pathData="M9,13.75c-2.34,0 -7,1.17 -7,3.5L2,19h14v-1.75c0,-2.33 -4.66,-3.5 -7,-3.5zM4.34,17c0.84,-0.58 2.87,-1.25 4.66,-1.25s3.82,0.67 4.66,1.25L4.34,17zM9,12c1.93,0 3.5,-1.57 3.5,-3.5S10.93,5 9,5 5.5,6.57 5.5,8.5 7.07,12 9,12zM9,7c0.83,0 1.5,0.67 1.5,1.5S9.83,10 9,10s-1.5,-0.67 -1.5,-1.5S8.17,7 9,7zM16.04,13.81c1.16,0.84 1.96,1.96 1.96,3.44L18,19h4v-1.75c0,-2.02 -3.5,-3.17 -5.96,-3.44zM15,12c1.93,0 3.5,-1.57 3.5,-3.5S16.93,5 15,5c-0.54,0 -1.04,0.13 -1.5,0.35 0.63,0.89 1,1.98 1,3.15s-0.37,2.26 -1,3.15c0.46,0.22 0.96,0.35 1.5,0.35z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_about_facebook.xml b/app/src/main/res/drawable/ic_about_facebook.xml
new file mode 100644
index 000000000..a1b7b46eb
--- /dev/null
+++ b/app/src/main/res/drawable/ic_about_facebook.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFF"
+        android:fillType="nonZero"
+        android:pathData="M12,2C6.4883,2 2,6.4883 2,12C2,17.5117 6.4883,22 12,22C17.5117,22 22,17.5117 22,12C22,6.4883 17.5117,2 12,2ZM12,4C16.4297,4 20,7.5703 20,12C20,16.0156 17.0664,19.3125 13.2188,19.8984L13.2188,14.3828L15.5469,14.3828L15.9102,12.0195L13.2188,12.0195L13.2188,10.7266C13.2188,9.7422 13.5391,8.8711 14.457,8.8711L15.9336,8.8711L15.9336,6.8047C15.6758,6.7734 15.125,6.6953 14.0898,6.6953C11.9258,6.6953 10.6523,7.8398 10.6523,10.4453L10.6523,12.0195L8.4258,12.0195L8.4258,14.3828L10.6523,14.3828L10.6523,19.8789C6.8711,19.2422 4,15.9688 4,12C4,7.5703 7.5703,4 12,4ZM12,4" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_about_faq.xml b/app/src/main/res/drawable/ic_about_faq.xml
new file mode 100644
index 000000000..d6ab255b2
--- /dev/null
+++ b/app/src/main/res/drawable/ic_about_faq.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M11,18H13V16H11V18M12,2A10,10 0,0 0,2 12A10,10 0,0 0,12 22A10,10 0,0 0,22 12A10,10 0,0 0,12 2M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20,12C20,16.41 16.41,20 12,20M12,6A4,4 0,0 0,8 10H10A2,2 0,0 1,12 8A2,2 0,0 1,14 10C14,12 11,11.75 11,15H13C13,12.75 16,12.5 16,10A4,4 0,0 0,12 6Z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_account_details_family.xml b/app/src/main/res/drawable/ic_account_details_family.xml
new file mode 100644
index 000000000..363b4f58b
--- /dev/null
+++ b/app/src/main/res/drawable/ic_account_details_family.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M16,4c0,-1.11 0.89,-2 2,-2s2,0.89 2,2s-0.89,2 -2,2S16,5.11 16,4zM20,22v-6h2.5l-2.54,-7.63C19.68,7.55 18.92,7 18.06,7h-0.12c-0.86,0 -1.63,0.55 -1.9,1.37l-0.86,2.58C16.26,11.55 17,12.68 17,14v8H20zM12.5,11.5c0.83,0 1.5,-0.67 1.5,-1.5s-0.67,-1.5 -1.5,-1.5S11,9.17 11,10S11.67,11.5 12.5,11.5zM5.5,6c1.11,0 2,-0.89 2,-2s-0.89,-2 -2,-2s-2,0.89 -2,2S4.39,6 5.5,6zM7.5,22v-7H9V9c0,-1.1 -0.9,-2 -2,-2H4C2.9,7 2,7.9 2,9v6h1.5v7H7.5zM14,22v-4h1v-4c0,-0.82 -0.68,-1.5 -1.5,-1.5h-2c-0.82,0 -1.5,0.68 -1.5,1.5v4h1v4H14z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_all_about.xml b/app/src/main/res/drawable/ic_all_about.xml
index 3dfbbda19..3868f85c6 100644
--- a/app/src/main/res/drawable/ic_all_about.xml
+++ b/app/src/main/res/drawable/ic_all_about.xml
@@ -2,6 +2,7 @@
     android:width="24dp"
     android:height="24dp"
     android:viewportWidth="24"
+    android:tint="?colorOnSurface"
     android:viewportHeight="24">
     <path
         android:fillColor="#FFF"
diff --git a/app/src/main/res/drawable/ic_all_done.xml b/app/src/main/res/drawable/ic_all_done.xml
new file mode 100644
index 000000000..bb657f6ec
--- /dev/null
+++ b/app/src/main/res/drawable/ic_all_done.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,16.2L4.8,12l-1.4,1.4L9,19 21,7l-1.4,-1.4L9,16.2z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_all_done_all.xml b/app/src/main/res/drawable/ic_all_done_all.xml
new file mode 100644
index 000000000..e27672efa
--- /dev/null
+++ b/app/src/main/res/drawable/ic_all_done_all.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M18,7l-1.41,-1.41 -6.34,6.34 1.41,1.41L18,7zM22.24,5.59L11.66,16.17 7.48,12l-1.41,1.41L11.66,19l12,-12 -1.42,-1.41zM0.41,13.41L6,19l1.41,-1.41L1.83,12 0.41,13.41z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_about_homepage.xml b/app/src/main/res/drawable/ic_all_home.xml
similarity index 100%
rename from app/src/main/res/drawable/ic_about_homepage.xml
rename to app/src/main/res/drawable/ic_all_home.xml
diff --git a/app/src/main/res/drawable/ic_all_phone.xml b/app/src/main/res/drawable/ic_all_phone.xml
new file mode 100644
index 000000000..7e3d7991e
--- /dev/null
+++ b/app/src/main/res/drawable/ic_all_phone.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFF"
+      android:pathData="M6.54,5c0.06,0.89 0.21,1.76 0.45,2.59l-1.2,1.2c-0.41,-1.2 -0.67,-2.47 -0.76,-3.79h1.51m9.86,12.02c0.85,0.24 1.72,0.39 2.6,0.45v1.49c-1.32,-0.09 -2.59,-0.35 -3.8,-0.75l1.2,-1.19M7.5,3H4c-0.55,0 -1,0.45 -1,1 0,9.39 7.61,17 17,17 0.55,0 1,-0.45 1,-1v-3.49c0,-0.55 -0.45,-1 -1,-1 -1.24,0 -2.45,-0.2 -3.57,-0.57 -0.1,-0.04 -0.21,-0.05 -0.31,-0.05 -0.26,0 -0.51,0.1 -0.71,0.29l-2.2,2.2c-2.83,-1.45 -5.15,-3.76 -6.59,-6.59l2.2,-2.2c0.28,-0.28 0.36,-0.67 0.25,-1.02C8.7,6.45 8.5,5.25 8.5,4c0,-0.55 -0.45,-1 -1,-1z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_all_round_check.xml b/app/src/main/res/drawable/ic_all_round_check.xml
new file mode 100644
index 000000000..aecaf234a
--- /dev/null
+++ b/app/src/main/res/drawable/ic_all_round_check.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM10,17l-5,-5 1.41,-1.41L10,14.17l7.59,-7.59L19,8l-9,9z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_attachment.xml b/app/src/main/res/drawable/ic_attachment.xml
new file mode 100644
index 000000000..c18714f5c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_attachment.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M2,12.5C2,9.46 4.46,7 7.5,7H18c2.21,0 4,1.79 4,4s-1.79,4 -4,4H9.5C8.12,15 7,13.88 7,12.5S8.12,10 9.5,10H17v2H9.41c-0.55,0 -0.55,1 0,1H18c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2H7.5C5.57,9 4,10.57 4,12.5S5.57,16 7.5,16H17v2H7.5C4.46,18 2,15.54 2,12.5z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_check.xml b/app/src/main/res/drawable/ic_check.xml
new file mode 100644
index 000000000..3c728c59f
--- /dev/null
+++ b/app/src/main/res/drawable/ic_check.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,16.17L4.83,12l-1.42,1.41L9,19 21,7l-1.41,-1.41z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_chevron_left.xml b/app/src/main/res/drawable/ic_chevron_left.xml
new file mode 100644
index 000000000..ee3ff4be8
--- /dev/null
+++ b/app/src/main/res/drawable/ic_chevron_left.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M15.41,7.41L14,6l-6,6 6,6 1.41,-1.41L10.83,12z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_chevron_right.xml b/app/src/main/res/drawable/ic_chevron_right.xml
new file mode 100644
index 000000000..a6d734973
--- /dev/null
+++ b/app/src/main/res/drawable/ic_chevron_right.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M10,6L8.59,7.41 13.17,12l-4.58,4.59L10,18l6,-6z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_error.xml b/app/src/main/res/drawable/ic_error.xml
new file mode 100644
index 000000000..bb4cb3025
--- /dev/null
+++ b/app/src/main/res/drawable/ic_error.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFF"
+      android:pathData="M11,15h2v2h-2zM11,7h2v6h-2zM11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_excuse_denied.xml b/app/src/main/res/drawable/ic_excuse_denied.xml
new file mode 100644
index 000000000..218cfbdc4
--- /dev/null
+++ b/app/src/main/res/drawable/ic_excuse_denied.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M7,11v2h10v-2L7,11zM12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.41,0 -8,-3.59 -8,-8s3.59,-8 8,-8 8,3.59 8,8 -3.59,8 -8,8z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_excuse_waiting.xml b/app/src/main/res/drawable/ic_excuse_waiting.xml
new file mode 100644
index 000000000..863418b7b
--- /dev/null
+++ b/app/src/main/res/drawable/ic_excuse_waiting.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8zM12.5,7H11v6l5.25,3.15 0.75,-1.23 -4.5,-2.67z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_fullscreen.xml b/app/src/main/res/drawable/ic_fullscreen.xml
new file mode 100644
index 000000000..86b7649b6
--- /dev/null
+++ b/app/src/main/res/drawable/ic_fullscreen.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M7,14L5,14v5h5v-2L7,17v-3zM5,10h2L7,7h3L10,5L5,5v5zM17,17h-3v2h5v-5h-2v3zM14,5v2h3v3h2L19,5h-5z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_fullscreen_exit.xml b/app/src/main/res/drawable/ic_fullscreen_exit.xml
new file mode 100644
index 000000000..bb7140f29
--- /dev/null
+++ b/app/src/main/res/drawable/ic_fullscreen_exit.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M5,16h3v3h2v-5L5,14v2zM8,8L5,8v2h5L10,5L8,5v3zM14,19h2v-3h3v-2h-5v5zM16,8L16,5h-2v5h5L19,8h-3z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_main_grade.xml b/app/src/main/res/drawable/ic_main_grade.xml
index 7577f399e..bf4c2cf20 100644
--- a/app/src/main/res/drawable/ic_main_grade.xml
+++ b/app/src/main/res/drawable/ic_main_grade.xml
@@ -1,7 +1,9 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:height="24dp"
     android:width="24dp"
+    android:height="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-    <path android:fillColor="#FFF" android:pathData="M13,11H15V13H13M13,15H15A2,2 0 0,0 17,13V11C17,9.89 16.1,9 15,9H13V7H17V5H13A2,2 0 0,0 11,7V13C11,14.11 11.9,15 13,15M21,17H7V3H21M21,1H7A2,2 0 0,0 5,3V17A2,2 0 0,0 7,19H21A2,2 0 0,0 23,17V3A2,2 0 0,0 21,1M3,5H1V21A2,2 0 0,0 3,23H19V21H3V5Z" />
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M13,11H15V13H13M13,15H15A2,2 0 0,0 17,13V11C17,9.89 16.1,9 15,9H13V7H17V5H13A2,2 0 0,0 11,7V13C11,14.11 11.9,15 13,15M21,17H7V3H21M21,1H7A2,2 0 0,0 5,3V17A2,2 0 0,0 7,19H21A2,2 0 0,0 23,17V3A2,2 0 0,0 21,1M3,5H1V21A2,2 0 0,0 3,23H19V21H3V5Z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_main_more.xml b/app/src/main/res/drawable/ic_main_more.xml
index 1b436a327..f57a72456 100644
--- a/app/src/main/res/drawable/ic_main_more.xml
+++ b/app/src/main/res/drawable/ic_main_more.xml
@@ -1,7 +1,9 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:height="24dp"
     android:width="24dp"
+    android:height="24dp"
     android:viewportWidth="24"
     android:viewportHeight="24">
-    <path android:fillColor="#FFF" android:pathData="M4,5H20V7H4V5M4,9H20V11H4V9M4,13H20V15H4V13M4,17H14V19H4V17Z" />
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M4,5H20V7H4V5M4,9H20V11H4V9M4,13H20V15H4V13M4,17H14V19H4V17Z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_main_timetable.xml b/app/src/main/res/drawable/ic_main_timetable.xml
index b8f5cb855..e33aae165 100644
--- a/app/src/main/res/drawable/ic_main_timetable.xml
+++ b/app/src/main/res/drawable/ic_main_timetable.xml
@@ -5,5 +5,5 @@
     android:viewportHeight="24">
     <path
         android:fillColor="#FFF"
-        android:pathData="M19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM19,19L5,19L5,9h14v10zM5,7L5,5h14v2L5,7zM7,11h10v2L7,13zM7,15h7v2L7,17z" />
+        android:pathData="M14,12H15.5V14.82L17.94,16.23L17.19,17.53L14,15.69V12M4,2H18A2,2 0 0,1 20,4V10.1C21.24,11.36 22,13.09 22,15A7,7 0 0,1 15,22C13.09,22 11.36,21.24 10.1,20H4A2,2 0 0,1 2,18V4A2,2 0 0,1 4,2M4,15V18H8.67C8.24,17.09 8,16.07 8,15H4M4,8H10V5H4V8M18,8V5H12V8H18M4,13H8.29C8.63,11.85 9.26,10.82 10.1,10H4V13M15,10.15A4.85,4.85 0 0,0 10.15,15C10.15,17.68 12.32,19.85 15,19.85A4.85,4.85 0 0,0 19.85,15C19.85,12.32 17.68,10.15 15,10.15Z" />
 </vector>
diff --git a/app/src/main/res/drawable/ic_menu_message_print.xml b/app/src/main/res/drawable/ic_menu_message_print.xml
new file mode 100644
index 000000000..204b0f6e3
--- /dev/null
+++ b/app/src/main/res/drawable/ic_menu_message_print.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19,8h-1L18,3L6,3v5L5,8c-1.66,0 -3,1.34 -3,3v6h4v4h12v-4h4v-6c0,-1.66 -1.34,-3 -3,-3zM8,5h8v3L8,8L8,5zM16,17v2L8,19v-4h8v2zM18,15v-2L6,13v2L4,15v-4c0,-0.55 0.45,-1 1,-1h14c0.55,0 1,0.45 1,1v4h-2z" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M18,11.5m-1,0a1,1 0,1 1,2 0a1,1 0,1 1,-2 0" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_menu_message_share.xml b/app/src/main/res/drawable/ic_menu_message_share.xml
new file mode 100644
index 000000000..67a8ee494
--- /dev/null
+++ b/app/src/main/res/drawable/ic_menu_message_share.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92s2.92,-1.31 2.92,-2.92c0,-1.61 -1.31,-2.92 -2.92,-2.92zM18,4c0.55,0 1,0.45 1,1s-0.45,1 -1,1 -1,-0.45 -1,-1 0.45,-1 1,-1zM6,13c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1 1,0.45 1,1 -0.45,1 -1,1zM18,20.02c-0.55,0 -1,-0.45 -1,-1s0.45,-1 1,-1 1,0.45 1,1 -0.45,1 -1,1z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_menu_timetable_lessons_additional.xml b/app/src/main/res/drawable/ic_menu_timetable_lessons_additional.xml
new file mode 100644
index 000000000..ddb6d2f57
--- /dev/null
+++ b/app/src/main/res/drawable/ic_menu_timetable_lessons_additional.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M6,1L6,3L5,3C3.89,3 3,3.89 3,5v14c0,1.1 0.89,2 2,2h14c1.11,0 2,-0.89 2,-2L21,5C21,3.9 20.11,3 19,3L18,3L18,1L16,1L16,3L8,3L8,1ZM5,5L19,5L19,7L5,7ZM5,9L19,9L19,19L5,19ZM11,10v3L8,13v2h3v3h2v-3h3v-2h-3v-3z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_more_conferences.xml b/app/src/main/res/drawable/ic_more_conferences.xml
new file mode 100644
index 000000000..87be8e055
--- /dev/null
+++ b/app/src/main/res/drawable/ic_more_conferences.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,13.75c-2.34,0 -7,1.17 -7,3.5L2,19h14v-1.75c0,-2.33 -4.66,-3.5 -7,-3.5zM4.34,17c0.84,-0.58 2.87,-1.25 4.66,-1.25s3.82,0.67 4.66,1.25L4.34,17zM9,12c1.93,0 3.5,-1.57 3.5,-3.5S10.93,5 9,5 5.5,6.57 5.5,8.5 7.07,12 9,12zM9,7c0.83,0 1.5,0.67 1.5,1.5S9.83,10 9,10s-1.5,-0.67 -1.5,-1.5S8.17,7 9,7zM16.04,13.81c1.16,0.84 1.96,1.96 1.96,3.44L18,19h4v-1.75c0,-2.02 -3.5,-3.17 -5.96,-3.44zM15,12c1.93,0 3.5,-1.57 3.5,-3.5S16.93,5 15,5c-0.54,0 -1.04,0.13 -1.5,0.35 0.63,0.89 1,1.98 1,3.15s-0.37,2.26 -1,3.15c0.46,0.22 0.96,0.35 1.5,0.35z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_more_schoolandteachers.xml b/app/src/main/res/drawable/ic_more_schoolandteachers.xml
new file mode 100644
index 000000000..9cb9aee0e
--- /dev/null
+++ b/app/src/main/res/drawable/ic_more_schoolandteachers.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M18,15H16V17H18M18,11H16V13H18M20,19H12V17H14V15H12V13H14V11H12V9H20M10,7H8V5H10M10,11H8V9H10M10,15H8V13H10M10,19H8V17H10M6,7H4V5H6M6,11H4V9H6M6,15H4V13H6M6,19H4V17H6M12,7V3H2V21H22V7H12Z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_refresh.xml b/app/src/main/res/drawable/ic_refresh.xml
new file mode 100644
index 000000000..cc2d1e04f
--- /dev/null
+++ b/app/src/main/res/drawable/ic_refresh.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M17.65,6.35C16.2,4.9 14.21,4 12,4c-4.42,0 -7.99,3.58 -7.99,8s3.57,8 7.99,8c3.73,0 6.84,-2.55 7.73,-6h-2.08c-0.82,2.33 -3.04,4 -5.65,4 -3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6c1.66,0 3.14,0.69 4.22,1.78L13,11h7V4l-2.35,2.35z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_school_directions.xml b/app/src/main/res/drawable/ic_school_directions.xml
new file mode 100644
index 000000000..c48db1da0
--- /dev/null
+++ b/app/src/main/res/drawable/ic_school_directions.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="#FFF"
+      android:pathData="M22.43,10.59l-9.01,-9.01c-0.75,-0.75 -2.07,-0.76 -2.83,0l-9,9c-0.78,0.78 -0.78,2.04 0,2.82l9,9c0.39,0.39 0.9,0.58 1.41,0.58 0.51,0 1.02,-0.19 1.41,-0.58l8.99,-8.99c0.79,-0.76 0.8,-2.02 0.03,-2.82zM12.01,20.99l-9,-9 9,-9 9,9 -9,9zM8,11v4h2v-3h4v2.5l3.5,-3.5L14,7.5L14,10L9,10c-0.55,0 -1,0.45 -1,1z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_search.xml b/app/src/main/res/drawable/ic_search.xml
new file mode 100644
index 000000000..cd9985cb1
--- /dev/null
+++ b/app/src/main/res/drawable/ic_search.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFF"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings_advanced.xml b/app/src/main/res/drawable/ic_settings_advanced.xml
new file mode 100644
index 000000000..2fd7e5907
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings_advanced.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorOnSurface"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M14.17,13.71l1.4,-2.42c0.09,-0.15 0.05,-0.34 -0.08,-0.45l-1.48,-1.16c0.03,-0.22 0.05,-0.45 0.05,-0.68s-0.02,-0.46 -0.05,-0.69l1.48,-1.16c0.13,-0.11 0.17,-0.3 0.08,-0.45l-1.4,-2.42c-0.09,-0.15 -0.27,-0.21 -0.43,-0.15L12,4.83c-0.36,-0.28 -0.75,-0.51 -1.18,-0.69l-0.26,-1.85C10.53,2.13 10.38,2 10.21,2h-2.8C7.24,2 7.09,2.13 7.06,2.3L6.8,4.15C6.38,4.33 5.98,4.56 5.62,4.84l-1.74,-0.7c-0.16,-0.06 -0.34,0 -0.43,0.15l-1.4,2.42C1.96,6.86 2,7.05 2.13,7.16l1.48,1.16C3.58,8.54 3.56,8.77 3.56,9s0.02,0.46 0.05,0.69l-1.48,1.16C2,10.96 1.96,11.15 2.05,11.3l1.4,2.42c0.09,0.15 0.27,0.21 0.43,0.15l1.74,-0.7c0.36,0.28 0.75,0.51 1.18,0.69l0.26,1.85C7.09,15.87 7.24,16 7.41,16h2.8c0.17,0 0.32,-0.13 0.35,-0.3l0.26,-1.85c0.42,-0.18 0.82,-0.41 1.18,-0.69l1.74,0.7C13.9,13.92 14.08,13.86 14.17,13.71zM8.81,11c-1.1,0 -2,-0.9 -2,-2c0,-1.1 0.9,-2 2,-2s2,0.9 2,2C10.81,10.1 9.91,11 8.81,11z" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M21.92,18.67l-0.96,-0.74c0.02,-0.14 0.04,-0.29 0.04,-0.44c0,-0.15 -0.01,-0.3 -0.04,-0.44l0.95,-0.74c0.08,-0.07 0.11,-0.19 0.05,-0.29l-0.9,-1.55c-0.05,-0.1 -0.17,-0.13 -0.28,-0.1l-1.11,0.45c-0.23,-0.18 -0.48,-0.33 -0.76,-0.44l-0.17,-1.18C18.73,13.08 18.63,13 18.53,13h-1.79c-0.11,0 -0.21,0.08 -0.22,0.19l-0.17,1.18c-0.27,0.12 -0.53,0.26 -0.76,0.44l-1.11,-0.45c-0.1,-0.04 -0.22,0 -0.28,0.1l-0.9,1.55c-0.05,0.1 -0.04,0.22 0.05,0.29l0.95,0.74c-0.02,0.14 -0.03,0.29 -0.03,0.44c0,0.15 0.01,0.3 0.03,0.44l-0.95,0.74c-0.08,0.07 -0.11,0.19 -0.05,0.29l0.9,1.55c0.05,0.1 0.17,0.13 0.28,0.1l1.11,-0.45c0.23,0.18 0.48,0.33 0.76,0.44l0.17,1.18c0.02,0.11 0.11,0.19 0.22,0.19h1.79c0.11,0 0.21,-0.08 0.22,-0.19l0.17,-1.18c0.27,-0.12 0.53,-0.26 0.75,-0.44l1.12,0.45c0.1,0.04 0.22,0 0.28,-0.1l0.9,-1.55C22.03,18.86 22,18.74 21.92,18.67zM17.63,18.83c-0.74,0 -1.35,-0.6 -1.35,-1.35s0.6,-1.35 1.35,-1.35s1.35,0.6 1.35,1.35S18.37,18.83 17.63,18.83z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings_appearance.xml b/app/src/main/res/drawable/ic_settings_appearance.xml
new file mode 100644
index 000000000..afea27f27
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings_appearance.xml
@@ -0,0 +1,22 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorOnSurface"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,22C6.49,22 2,17.51 2,12S6.49,2 12,2s10,4.04 10,9c0,3.31 -2.69,6 -6,6h-1.77c-0.28,0 -0.5,0.22 -0.5,0.5 0,0.12 0.05,0.23 0.13,0.33 0.41,0.47 0.64,1.06 0.64,1.67 0,1.38 -1.12,2.5 -2.5,2.5zM12,4c-4.41,0 -8,3.59 -8,8s3.59,8 8,8c0.28,0 0.5,-0.22 0.5,-0.5 0,-0.16 -0.08,-0.28 -0.14,-0.35 -0.41,-0.46 -0.63,-1.05 -0.63,-1.65 0,-1.38 1.12,-2.5 2.5,-2.5L16,15c2.21,0 4,-1.79 4,-4 0,-3.86 -3.59,-7 -8,-7z" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M6.5,11.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M9.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M14.5,7.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M17.5,11.5m-1.5,0a1.5,1.5 0,1 1,3 0a1.5,1.5 0,1 1,-3 0" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings_notifications.xml b/app/src/main/res/drawable/ic_settings_notifications.xml
new file mode 100644
index 000000000..f4ff247f4
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings_notifications.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorOnSurface"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.9,2 2,2zM18,16v-5c0,-3.07 -1.63,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.64,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2zM16,17L8,17v-6c0,-2.48 1.51,-4.5 4,-4.5s4,2.02 4,4.5v6z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings_sync.xml b/app/src/main/res/drawable/ic_settings_sync.xml
new file mode 100644
index 000000000..3697ac0ba
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings_sync.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?colorOnSurface"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,4L12,1L8,5l4,4L12,6c3.31,0 6,2.69 6,6 0,1.01 -0.25,1.97 -0.7,2.8l1.46,1.46C19.54,15.03 20,13.57 20,12c0,-4.42 -3.58,-8 -8,-8zM12,18c-3.31,0 -6,-2.69 -6,-6 0,-1.01 0.25,-1.97 0.7,-2.8L5.24,7.74C4.46,8.97 4,10.43 4,12c0,4.42 3.58,8 8,8v3l4,-4 -4,-4v3z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_share.xml b/app/src/main/res/drawable/ic_share.xml
new file mode 100644
index 000000000..045bbc0c0
--- /dev/null
+++ b/app/src/main/res/drawable/ic_share.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z"/>
+</vector>
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
index 1a86fa925..3841b25cd 100644
--- a/app/src/main/res/layout/activity_login.xml
+++ b/app/src/main/res/layout/activity_login.xml
@@ -1,10 +1,17 @@
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/loginContainer"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/loginToolbar"
+        android:background="@android:color/transparent"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
 
     <com.aurelhubert.ahbottomnavigation.AHBottomNavigationViewPager
         android:id="@+id/loginViewpager"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
-</FrameLayout>
+</LinearLayout>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 84007c778..2ea0a4d39 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/mainContainer"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -8,9 +9,10 @@
         android:id="@+id/mainToolbar"
         style="@style/Widget.MaterialComponents.Toolbar.Surface"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content" />
+        android:layout_height="wrap_content"
+        app:contentInsetStartWithNavigation="0dp" />
 
-    <FrameLayout
+    <androidx.fragment.app.FragmentContainerView
         android:id="@+id/mainFragmentContainer"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
diff --git a/app/src/main/res/layout/activity_send_message.xml b/app/src/main/res/layout/activity_send_message.xml
index f59dcabdf..10b581f77 100644
--- a/app/src/main/res/layout/activity_send_message.xml
+++ b/app/src/main/res/layout/activity_send_message.xml
@@ -148,7 +148,7 @@
                     android:hint="@string/message_content"
                     android:imeOptions="flagNoExtractUi"
                     android:importantForAutofill="no"
-                    android:inputType="textMultiLine"
+                    android:inputType="textMultiLine|textCapSentences"
                     android:minHeight="58dp"
                     android:paddingStart="16dp"
                     android:paddingLeft="16dp"
@@ -194,9 +194,8 @@
             tools:text="No messages" />
     </LinearLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/sendMessageProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:indeterminate="true"
diff --git a/app/src/main/res/layout/activity_widget_configure.xml b/app/src/main/res/layout/activity_widget_configure.xml
index 548b86041..9a463284e 100644
--- a/app/src/main/res/layout/activity_widget_configure.xml
+++ b/app/src/main/res/layout/activity_widget_configure.xml
@@ -10,9 +10,7 @@
         android:layout_width="match_parent"
         android:layout_height="64dp"
         android:paddingStart="24dp"
-        android:paddingLeft="24dp"
         android:paddingEnd="24dp"
-        android:paddingRight="24dp"
         android:text="@string/account_title"
         android:textSize="20sp"
         android:textStyle="bold"
diff --git a/app/src/main/res/layout/dialog_account.xml b/app/src/main/res/layout/dialog_account.xml
deleted file mode 100644
index f2ee0bca7..000000000
--- a/app/src/main/res/layout/dialog_account.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="280dp"
-    android:layout_height="wrap_content">
-
-    <TextView
-        android:id="@+id/accountDialogTitle"
-        android:layout_width="match_parent"
-        android:layout_height="64dp"
-        android:paddingStart="24dp"
-        android:paddingLeft="24dp"
-        android:paddingEnd="24dp"
-        android:paddingRight="24dp"
-        android:text="@string/account_title"
-        android:textSize="20sp"
-        android:textStyle="bold"
-        app:firstBaselineToTopHeight="40dp" />
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/accountDialogRecycler"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/accountDialogTitle"
-        android:overScrollMode="never"
-        tools:itemCount="3"
-        tools:listitem="@layout/item_account" />
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/accountDialogAdd"
-        style="@style/Widget.MaterialComponents.Button.TextButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/accountDialogRecycler"
-        android:layout_margin="8dp"
-        android:text="@string/account_add_new"
-        android:textColor="?android:textColorPrimary" />
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/accountDialogRemove"
-        style="@style/Widget.MaterialComponents.Button.TextButton"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/accountDialogRecycler"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_margin="8dp"
-        android:text="@string/account_logout" />
-</RelativeLayout>
diff --git a/app/src/main/res/layout/dialog_account_edit.xml b/app/src/main/res/layout/dialog_account_edit.xml
new file mode 100644
index 000000000..9f617e440
--- /dev/null
+++ b/app/src/main/res/layout/dialog_account_edit.xml
@@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content">
+
+        <View
+            android:layout_width="280dp"
+            android:layout_height="1dp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <TextView
+            android:id="@+id/accountEditDetailsHeader"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="24dp"
+            android:layout_marginEnd="24dp"
+            android:text="@string/account_edit_header"
+            android:textSize="21sp"
+            android:textStyle="bold"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <com.google.android.material.textfield.TextInputLayout
+            android:id="@+id/accountEditDetailsNick"
+            style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="28dp"
+            android:layout_marginEnd="24dp"
+            android:hint="@string/account_edit_nick_hint"
+            app:endIconMode="clear_text"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/accountEditDetailsHeader">
+
+            <requestFocus />
+
+            <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/accountEditDetailsNickText"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:inputType="textPersonName"
+                android:maxLength="20" />
+        </com.google.android.material.textfield.TextInputLayout>
+
+        <TextView
+            android:id="@+id/accountEditDetailsSecondHeader"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="28dp"
+            android:layout_marginEnd="24dp"
+            android:text="@string/account_edit_avatar_title"
+            android:textSize="21sp"
+            android:textStyle="bold"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/accountEditDetailsNick" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/account_edit_colors"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="24dp"
+            android:layout_marginTop="14dp"
+            android:layout_marginEnd="24dp"
+            android:overScrollMode="never"
+            android:scrollbars="none"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/accountEditDetailsSecondHeader"
+            tools:itemCount="12"
+            tools:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            tools:listitem="@layout/item_account_edit_color"
+            tools:spanCount="4" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/accountEditDetailsSave"
+            style="@style/Widget.MaterialComponents.Button.TextButton.Dialog"
+            android:layout_width="wrap_content"
+            android:layout_height="36dp"
+            android:layout_marginTop="36dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginBottom="8dp"
+            android:insetLeft="0dp"
+            android:insetTop="0dp"
+            android:insetRight="0dp"
+            android:insetBottom="0dp"
+            android:minWidth="88dp"
+            android:text="@string/all_save"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/account_edit_colors" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/accountEditDetailsCancel"
+            style="@style/Widget.MaterialComponents.Button.TextButton.Dialog"
+            android:layout_width="wrap_content"
+            android:layout_height="36dp"
+            android:layout_marginTop="36dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginBottom="8dp"
+            android:insetLeft="0dp"
+            android:insetTop="0dp"
+            android:insetRight="0dp"
+            android:insetBottom="0dp"
+            android:minWidth="88dp"
+            android:text="@android:string/cancel"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@id/accountEditDetailsSave"
+            app:layout_constraintTop_toBottomOf="@id/account_edit_colors" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>
diff --git a/app/src/main/res/layout/dialog_account_quick.xml b/app/src/main/res/layout/dialog_account_quick.xml
new file mode 100644
index 000000000..4095c91ae
--- /dev/null
+++ b/app/src/main/res/layout/dialog_account_quick.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        tools:ignore="UselessParent">
+
+        <TextView
+            android:id="@+id/account_quick_dialog_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingStart="24dp"
+            android:paddingLeft="24dp"
+            android:paddingEnd="24dp"
+            android:paddingRight="24dp"
+            android:text="@string/account_quick_title"
+            android:textSize="20sp"
+            android:textStyle="bold"
+            app:firstBaselineToTopHeight="40dp" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/account_quick_dialog_recycler"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginTop="8dp"
+            android:layout_weight="1"
+            android:overScrollMode="never"
+            tools:itemCount="3"
+            tools:listitem="@layout/item_account" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/account_quick_dialog_manger"
+                style="@style/Widget.MaterialComponents.Button.TextButton"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="8dp"
+                android:text="@string/account_quick_manager" />
+        </LinearLayout>
+    </LinearLayout>
+</RelativeLayout>
diff --git a/app/src/main/res/layout/dialog_error.xml b/app/src/main/res/layout/dialog_error.xml
index ec25f6a4f..2d4e5d0ba 100644
--- a/app/src/main/res/layout/dialog_error.xml
+++ b/app/src/main/res/layout/dialog_error.xml
@@ -1,27 +1,49 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:minWidth="300dp"
     android:orientation="vertical">
 
-    <LinearLayout
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingHorizontal="20dp"
+        android:paddingTop="20dp"
+        android:text="@string/all_details"
+        android:textSize="20sp" />
+
+    <TextView
+        android:id="@+id/errorDialogMessage"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingHorizontal="20dp"
+        android:paddingVertical="10dp"
+        android:textSize="21sp"
+        tools:text="@tools:sample/lorem" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_weight="1"
         android:orientation="vertical">
 
         <androidx.core.widget.NestedScrollView
+            android:id="@+id/errorDialogNestedScroll"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:overScrollMode="ifContentScrolls">
+            android:overScrollMode="ifContentScrolls"
+            android:paddingHorizontal="24dp"
+            app:layout_constrainedHeight="true"
+            app:layout_constraintHeight_max="300dp"
+            app:layout_constraintHeight_min="200dp"
+            app:layout_constraintTop_toTopOf="parent">
 
             <HorizontalScrollView
-                android:layout_width="350dp"
-                android:layout_height="wrap_content"
-                android:paddingLeft="24dp"
-                android:paddingTop="24dp"
-                android:paddingRight="24dp">
+                android:id="@+id/errorDialogHorizontalScroll"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
 
                 <TextView
                     android:id="@+id/errorDialogContent"
@@ -33,16 +55,31 @@
                     tools:text="@tools:sample/lorem/random" />
             </HorizontalScrollView>
         </androidx.core.widget.NestedScrollView>
-    </LinearLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="24dp"
+        android:background="@drawable/ic_all_divider"
         android:gravity="end"
         android:minHeight="52dp"
         android:orientation="horizontal">
 
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/errorDialogReport"
+            style="@style/Widget.MaterialComponents.Button.TextButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="8dp"
+            android:layout_marginEnd="8dp"
+            android:text="@string/about_feedback" />
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
         <com.google.android.material.button.MaterialButton
             android:id="@+id/errorDialogCancel"
             style="@style/Widget.MaterialComponents.Button.TextButton"
@@ -50,7 +87,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginEnd="8dp"
-            android:layout_marginRight="8dp"
             android:text="@android:string/cancel" />
 
         <com.google.android.material.button.MaterialButton
@@ -60,7 +96,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginEnd="8dp"
-            android:layout_marginRight="8dp"
             android:text="@android:string/copy" />
     </LinearLayout>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/app/src/main/res/layout/dialog_excuse.xml b/app/src/main/res/layout/dialog_excuse.xml
new file mode 100644
index 000000000..4ed9294ce
--- /dev/null
+++ b/app/src/main/res/layout/dialog_excuse.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="20dp">
+
+    <com.google.android.material.textfield.TextInputLayout
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/excuseReason"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:hint="@string/attendance_excuse_dialog_reason" />
+
+        <requestFocus />
+    </com.google.android.material.textfield.TextInputLayout>
+</LinearLayout>
diff --git a/app/src/main/res/layout/dialog_grade.xml b/app/src/main/res/layout/dialog_grade.xml
index f95b9cfdb..be0570c20 100644
--- a/app/src/main/res/layout/dialog_grade.xml
+++ b/app/src/main/res/layout/dialog_grade.xml
@@ -17,90 +17,84 @@
             android:padding="20dp"
             tools:ignore="UselessParent">
 
-            <TextView
-                android:id="@+id/gradeDialogValue"
-                android:layout_width="80dp"
-                android:layout_height="80dp"
+            <LinearLayout
+                android:id="@+id/gradeDialogValueLayout"
+                android:layout_width="86dp"
+                android:layout_height="match_parent"
                 android:layout_alignParentTop="true"
                 android:layout_alignParentEnd="true"
                 android:layout_alignParentRight="true"
                 android:layout_gravity="end"
-                android:background="@color/grade_material_default"
-                android:gravity="center"
-                android:textColor="@android:color/white"
-                android:textSize="30sp"
-                tools:text="6" />
+                android:orientation="vertical">
 
-            <TextView
-                android:id="@+id/gradeDialogSubject"
-                android:layout_width="match_parent"
+                <TextView
+                    android:id="@+id/gradeDialogValue"
+                    android:layout_width="match_parent"
+                    android:layout_height="86dp"
+                    android:background="@color/grade_material_default"
+                    android:gravity="center"
+                    android:textColor="@android:color/white"
+                    android:textSize="30sp"
+                    tools:text="6" />
+
+                <TextView
+                    android:id="@+id/gradeDialogColorAndWeightValue"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="end"
+                    android:layout_marginTop="2dp"
+                    android:background="@color/grade_black"
+                    android:gravity="center"
+                    android:maxLines="2"
+                    android:minHeight="32dp"
+                    android:textColor="@android:color/white"
+                    android:textIsSelectable="true"
+                    android:textSize="14sp"
+                    tools:text="Waga: 1.00" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/gradeDialogHeader"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_marginEnd="12dp"
+                android:layout_marginRight="12dp"
+                android:layout_toStartOf="@+id/gradeDialogValueLayout"
+                android:layout_toLeftOf="@+id/gradeDialogValueLayout"
                 android:layout_alignParentStart="true"
                 android:layout_alignParentLeft="true"
                 android:layout_alignParentTop="true"
-                android:layout_gravity="start"
-                android:layout_marginEnd="90dp"
-                android:layout_marginRight="90dp"
-                android:layout_marginBottom="10dp"
                 android:gravity="center_vertical"
-                android:maxLines="5"
-                android:minHeight="80dp"
-                android:minLines="2"
-                android:text="@string/grade_header"
-                android:textIsSelectable="true"
-                android:textSize="20sp" />
+                android:minHeight="120dp"
+                android:orientation="vertical">
 
-            <TextView
-                android:id="@+id/gradeDialogDescription"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_below="@+id/gradeDialogSubject"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentLeft="true"
-                android:text="@string/all_description"
-                android:textIsSelectable="true"
-                android:textSize="17sp" />
+                <TextView
+                    android:id="@+id/gradeDialogSubject"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="start"
+                    android:gravity="center_vertical"
+                    android:maxLines="2"
+                    android:text="@string/grade_header"
+                    android:textIsSelectable="true"
+                    android:textSize="20sp" />
 
-            <TextView
-                android:id="@+id/gradeDialogDescriptionValue"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_below="@+id/gradeDialogDescription"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginTop="3dp"
-                android:text="@string/all_no_description"
-                android:textIsSelectable="true"
-                android:textSize="12sp" />
-
-            <TextView
-                android:id="@+id/gradeDialogWeight"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_below="@+id/gradeDialogDescriptionValue"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginTop="10dp"
-                android:text="@string/grade_weight"
-                android:textSize="17sp" />
-
-            <TextView
-                android:id="@+id/gradeDialogWeightValue"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_below="@+id/gradeDialogWeight"
-                android:layout_alignParentStart="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginTop="3dp"
-                android:text="@string/grade_weight"
-                android:textIsSelectable="true"
-                android:textSize="12sp" />
+                <TextView
+                    android:id="@+id/gradeDialogDescriptionValue"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="4dp"
+                    android:text="@string/all_no_description"
+                    android:textColor="?android:textColorSecondary"
+                    android:textIsSelectable="true"
+                    android:textSize="16sp" />
+            </LinearLayout>
 
             <TextView
                 android:id="@+id/gradeDialogComment"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_below="@+id/gradeDialogWeightValue"
+                android:layout_below="@+id/gradeDialogHeader"
                 android:layout_alignParentStart="true"
                 android:layout_alignParentLeft="true"
                 android:layout_marginTop="10dp"
diff --git a/app/src/main/res/layout/dialog_homework.xml b/app/src/main/res/layout/dialog_homework.xml
index 7ed9b795b..7c149d4b0 100644
--- a/app/src/main/res/layout/dialog_homework.xml
+++ b/app/src/main/res/layout/dialog_homework.xml
@@ -1,109 +1,47 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/parent"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
 
-    <LinearLayout
-        android:layout_width="300dp"
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/homeworkDialogRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:minWidth="300dp"
+        tools:itemCount="1"
+        tools:listitem="@layout/item_homework_dialog_details" />
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:orientation="vertical"
-        android:padding="20dp">
+        android:background="@drawable/ic_all_divider"
+        android:paddingHorizontal="10dp"
+        android:paddingVertical="5dp">
 
-        <TextView
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/homeworkDialogRead"
+            style="@style/Widget.MaterialComponents.Button.TextButton"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginTop="20dp"
-            android:layout_marginBottom="20dp"
-            android:text="@string/all_details"
-            android:textSize="20sp" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/all_subject"
-            android:textSize="17sp" />
-
-        <TextView
-            android:id="@+id/homeworkDialogSubject"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="3dp"
-            android:text="@string/all_no_data"
-            android:textIsSelectable="true"
-            android:textSize="12sp" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
-            android:text="@string/all_teacher"
-            android:textSize="17sp" />
-
-        <TextView
-            android:id="@+id/homeworkDialogTeacher"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="3dp"
-            android:text="@string/all_no_data"
-            android:textIsSelectable="true"
-            android:textSize="12sp" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
-            android:text="@string/all_date"
-            android:textSize="17sp" />
-
-        <TextView
-            android:id="@+id/homeworkDialogDate"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="3dp"
-            android:text="@string/all_no_data"
-            android:textIsSelectable="true"
-            android:textSize="12sp" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
-            android:text="@string/all_entry_date"
-            android:textSize="17sp" />
-
-        <TextView
-            android:id="@+id/homeworkDialogEntryDate"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="3dp"
-            android:text="@string/all_no_data"
-            android:textIsSelectable="true"
-            android:textSize="12sp" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
-            android:text="@string/all_content"
-            android:textSize="17sp" />
-
-        <TextView
-            android:id="@+id/homeworkDialogContent"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="3dp"
-            android:lineSpacingMultiplier="1.2"
-            android:text="@string/all_no_data"
-            android:textIsSelectable="true"
-            android:textSize="12sp" />
+            android:layout_alignParentStart="true"
+            android:layout_alignParentBottom="true"
+            android:text="@string/homework_mark_as_done"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent" />
 
         <com.google.android.material.button.MaterialButton
             android:id="@+id/homeworkDialogClose"
             style="@style/Widget.MaterialComponents.Button.TextButton"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
-            android:layout_marginTop="15dp"
-            android:text="@string/all_close" />
-    </LinearLayout>
-</androidx.core.widget.NestedScrollView>
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentBottom="true"
+            android:text="@string/all_close"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>
diff --git a/app/src/main/res/layout/dialog_lesson_completed.xml b/app/src/main/res/layout/dialog_lesson_completed.xml
index 47d6219ac..31ca7dd3b 100644
--- a/app/src/main/res/layout/dialog_lesson_completed.xml
+++ b/app/src/main/res/layout/dialog_lesson_completed.xml
@@ -80,7 +80,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="10dp"
             android:text="@string/timetable_changes"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textSize="17sp" />
 
         <TextView
@@ -89,7 +89,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:text="@string/all_no_data"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textIsSelectable="true"
             android:textSize="12sp" />
 
diff --git a/app/src/main/res/layout/dialog_mobile_device.xml b/app/src/main/res/layout/dialog_mobile_device.xml
index 7b1286053..680f57197 100644
--- a/app/src/main/res/layout/dialog_mobile_device.xml
+++ b/app/src/main/res/layout/dialog_mobile_device.xml
@@ -86,9 +86,8 @@
                 android:text="@string/all_close" />
         </LinearLayout>
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/mobileDeviceDialogProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
diff --git a/app/src/main/res/layout/dialog_note.xml b/app/src/main/res/layout/dialog_note.xml
index 0393e56af..71506b01f 100644
--- a/app/src/main/res/layout/dialog_note.xml
+++ b/app/src/main/res/layout/dialog_note.xml
@@ -64,6 +64,22 @@
             android:textIsSelectable="true"
             android:textSize="12sp" />
 
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="10dp"
+            android:text="@string/note_points"
+            android:textSize="17sp" />
+
+        <TextView
+            android:id="@+id/noteDialogPoints"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="3dp"
+            android:text="@string/all_no_data"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
         <TextView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
diff --git a/app/src/main/res/layout/dialog_timetable.xml b/app/src/main/res/layout/dialog_timetable.xml
index d94912faa..f3d4cf1ce 100644
--- a/app/src/main/res/layout/dialog_timetable.xml
+++ b/app/src/main/res/layout/dialog_timetable.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools">
 
     <LinearLayout
         android:layout_width="300dp"
@@ -22,7 +23,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="@string/timetable_changes"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textSize="17sp" />
 
         <TextView
@@ -31,7 +32,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:text="@string/all_no_data"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textIsSelectable="true"
             android:textSize="12sp" />
 
@@ -57,10 +58,11 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:text="@string/all_no_data"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textIsSelectable="true"
             android:textSize="12sp"
-            android:visibility="gone" />
+            android:visibility="gone"
+            tools:visibility="visible" />
 
         <TextView
             android:id="@+id/timetableDialogTeacherTitle"
@@ -85,10 +87,11 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:text="@string/all_no_data"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textIsSelectable="true"
             android:textSize="12sp"
-            android:visibility="gone" />
+            android:visibility="gone"
+            tools:visibility="visible" />
 
         <TextView
             android:id="@+id/timetableDialogGroupTitle"
@@ -130,10 +133,11 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="3dp"
             android:text="@string/all_no_data"
-            android:textColor="?colorPrimary"
+            android:textColor="?colorTimetableChange"
             android:textIsSelectable="true"
             android:textSize="12sp"
-            android:visibility="gone" />
+            android:visibility="gone"
+            tools:visibility="visible" />
 
         <TextView
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/fragment_about.xml b/app/src/main/res/layout/fragment_about.xml
index 556bdfd09..6747b7d0c 100644
--- a/app/src/main/res/layout/fragment_about.xml
+++ b/app/src/main/res/layout/fragment_about.xml
@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/aboutRecycler"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        tools:listitem="@layout/item_about" />
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_account.xml b/app/src/main/res/layout/fragment_account.xml
new file mode 100644
index 000000000..b78738338
--- /dev/null
+++ b/app/src/main/res/layout/fragment_account.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/accountRecycler"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@id/accountAdd"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:listitem="@layout/item_account" />
+
+    <com.google.android.material.button.MaterialButton
+        android:id="@+id/accountAdd"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="24dp"
+        android:layout_marginEnd="24dp"
+        android:layout_marginBottom="16dp"
+        android:insetLeft="0dp"
+        android:insetTop="0dp"
+        android:insetRight="0dp"
+        android:insetBottom="0dp"
+        android:text="@string/account_add_new"
+        app:layout_constraintBottom_toBottomOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_account_details.xml b/app/src/main/res/layout/fragment_account_details.xml
new file mode 100644
index 000000000..af9564b5e
--- /dev/null
+++ b/app/src/main/res/layout/fragment_account_details.xml
@@ -0,0 +1,288 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/account_details_progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:indeterminate="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <LinearLayout
+        android:id="@+id/account_details_error"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="gone">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_all_account"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/account_details_error_message"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/account_details_error_details"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/account_details_error_retry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/account_details_content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone"
+        tools:visibility="visible">
+
+        <ScrollView
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:fillViewport="true"
+            app:layout_constraintBottom_toTopOf="@id/accountDetailsSelect"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <androidx.constraintlayout.widget.ConstraintLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <ImageView
+                    android:id="@+id/accountDetailsAvatar"
+                    android:layout_width="100dp"
+                    android:layout_height="100dp"
+                    android:layout_marginTop="36dp"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toTopOf="parent"
+                    tools:ignore="ContentDescription"
+                    tools:src="@tools:sample/avatars" />
+
+                <com.mikhaellopez.circularimageview.CircularImageView
+                    android:id="@+id/account_details_check"
+                    android:layout_width="40dp"
+                    android:layout_height="40dp"
+                    android:layout_marginStart="70dp"
+                    android:layout_marginTop="70dp"
+                    app:civ_border_color="?colorSurface"
+                    app:civ_border_width="1dp"
+                    app:civ_circle_color="?colorSurface"
+                    app:layout_constraintStart_toStartOf="@id/accountDetailsAvatar"
+                    app:layout_constraintTop_toTopOf="@id/accountDetailsAvatar"
+                    app:srcCompat="@drawable/ic_all_round_check"
+                    app:tint="?colorPrimary" />
+
+                <TextView
+                    android:id="@+id/accountDetailsName"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="16dp"
+                    android:textSize="24sp"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsAvatar"
+                    tools:text="Jan Kowalski" />
+
+                <TextView
+                    android:id="@+id/accountDetailsSchool"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="5dp"
+                    android:textColor="?android:textColorSecondary"
+                    android:textSize="14sp"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsName"
+                    tools:text="Szkoła FakeLog" />
+
+                <LinearLayout
+                    android:id="@+id/accountDetailsPersonalData"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:layout_marginTop="16dp"
+                    android:background="?selectableItemBackground"
+                    android:clickable="true"
+                    android:focusable="true"
+                    android:orientation="horizontal"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsSchool"
+                    tools:ignore="UseCompoundDrawables">
+
+                    <ImageView
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_marginStart="16dp"
+                        android:layout_marginTop="16dp"
+                        app:srcCompat="@drawable/ic_all_account"
+                        app:tint="?colorOnBackground"
+                        tools:ignore="ContentDescription" />
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="32dp"
+                        android:layout_marginEnd="16dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/account_personal_data"
+                        android:textSize="16sp" />
+                </LinearLayout>
+
+                <LinearLayout
+                    android:id="@+id/accountDetailsAddressData"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:background="?selectableItemBackground"
+                    android:clickable="true"
+                    android:focusable="true"
+                    android:orientation="horizontal"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsPersonalData"
+                    tools:ignore="UseCompoundDrawables">
+
+                    <ImageView
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_marginStart="16dp"
+                        android:layout_marginTop="16dp"
+                        app:srcCompat="@drawable/ic_all_home"
+                        app:tint="?colorOnBackground"
+                        tools:ignore="ContentDescription" />
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="32dp"
+                        android:layout_marginEnd="16dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/account_address"
+                        android:textSize="16sp" />
+                </LinearLayout>
+
+                <LinearLayout
+                    android:id="@+id/accountDetailsContactData"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:background="?selectableItemBackground"
+                    android:clickable="true"
+                    android:focusable="true"
+                    android:orientation="horizontal"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsAddressData"
+                    tools:ignore="UseCompoundDrawables">
+
+                    <ImageView
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_marginStart="16dp"
+                        android:layout_marginTop="16dp"
+                        app:srcCompat="@drawable/ic_all_phone"
+                        app:tint="?colorOnBackground"
+                        tools:ignore="ContentDescription" />
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="32dp"
+                        android:layout_marginEnd="16dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/account_contact"
+                        android:textSize="16sp" />
+                </LinearLayout>
+
+                <LinearLayout
+                    android:id="@+id/accountDetailsFamilyData"
+                    android:layout_width="match_parent"
+                    android:layout_height="56dp"
+                    android:background="?selectableItemBackground"
+                    android:clickable="true"
+                    android:focusable="true"
+                    android:orientation="horizontal"
+                    app:layout_constraintTop_toBottomOf="@id/accountDetailsContactData"
+                    tools:ignore="UseCompoundDrawables">
+
+                    <ImageView
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_marginStart="16dp"
+                        android:layout_marginTop="16dp"
+                        app:srcCompat="@drawable/ic_account_details_family"
+                        app:tint="?colorOnBackground"
+                        tools:ignore="ContentDescription" />
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_vertical"
+                        android:layout_marginStart="32dp"
+                        android:layout_marginEnd="16dp"
+                        android:gravity="center_vertical"
+                        android:text="@string/account_family"
+                        android:textSize="16sp" />
+                </LinearLayout>
+            </androidx.constraintlayout.widget.ConstraintLayout>
+        </ScrollView>
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/accountDetailsSelect"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:insetLeft="0dp"
+            android:insetTop="0dp"
+            android:insetRight="0dp"
+            android:insetBottom="0dp"
+            android:text="@string/account_select_student"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintBottom_toTopOf="@id/accountDetailsLogout" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/accountDetailsLogout"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:insetLeft="0dp"
+            android:insetTop="0dp"
+            android:insetRight="0dp"
+            android:insetBottom="0dp"
+            android:text="@string/account_logout"
+            app:layout_constraintBottom_toBottomOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_attendance.xml b/app/src/main/res/layout/fragment_attendance.xml
index 033a6772b..8016081b8 100644
--- a/app/src/main/res/layout/fragment_attendance.xml
+++ b/app/src/main/res/layout/fragment_attendance.xml
@@ -2,16 +2,16 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.attendance.AttendanceFragment">
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginBottom="50dp">
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/attendanceProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
@@ -25,7 +25,8 @@
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/attendanceRecycler"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="match_parent"
+                tools:listitem="@layout/item_attendance" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
         <LinearLayout
@@ -53,45 +54,120 @@
                 android:text="@string/attendance_no_items"
                 android:textSize="20sp" />
         </LinearLayout>
+
+        <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
+            android:id="@+id/attendanceExcuseButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom|end"
+            android:layout_margin="16dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:text="@string/attendance_excuse_title"
+            android:tint="?colorOnSecondary"
+            android:visibility="gone"
+            app:icon="@drawable/ic_all_done_all"
+            tools:visibility="visible" />
+
+        <LinearLayout
+            android:id="@+id/attendanceError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/attendanceErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/attendanceErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/attendanceErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/attendanceNavContainer"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
+        android:layout_height="48dp"
         android:layout_gravity="bottom"
+        android:gravity="center"
         android:orientation="horizontal"
         tools:ignore="UnusedAttribute">
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/attendancePreviousButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="start|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_prev"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
 
         <TextView
             android:id="@+id/attendanceNavDate"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
+            android:background="?selectableItemBackgroundBorderless"
+            android:fontFamily="sans-serif"
             android:gravity="center"
-            android:text="@string/app_name" />
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/attendanceNextButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
             android:layout_weight="1"
-            android:drawablePadding="4dp"
-            android:gravity="end|center_vertical"
-            android:insetRight="8dp"
-            android:text="@string/all_next"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_attendance_summary.xml b/app/src/main/res/layout/fragment_attendance_summary.xml
index 31be99009..613ea5063 100644
--- a/app/src/main/res/layout/fragment_attendance_summary.xml
+++ b/app/src/main/res/layout/fragment_attendance_summary.xml
@@ -26,7 +26,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:ellipsize="middle"
-                android:entries="@array/endpoints_keys"
+                android:entries="@array/hosts_keys"
                 android:paddingStart="10dp"
                 android:paddingLeft="10dp"
                 android:paddingTop="10dp"
@@ -49,9 +49,8 @@
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
     </LinearLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/attendanceSummaryProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -82,4 +81,55 @@
             android:text="@string/attendance_no_items"
             android:textSize="20sp" />
     </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/attendanceSummaryError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/attendanceSummaryErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceSummaryErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/attendanceSummaryErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_conference.xml b/app/src/main/res/layout/fragment_conference.xml
new file mode 100644
index 000000000..730b46d55
--- /dev/null
+++ b/app/src/main/res/layout/fragment_conference.xml
@@ -0,0 +1,103 @@
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.conference.ConferenceFragment">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/conferenceProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/conferenceSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/conferenceRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_conference" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/conferenceEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_more_conferences"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/conference_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/conferenceError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/conferenceErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/conferenceErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/conferenceErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/fragment_contributor.xml b/app/src/main/res/layout/fragment_contributor.xml
new file mode 100644
index 000000000..8b71ffed1
--- /dev/null
+++ b/app/src/main/res/layout/fragment_contributor.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/creatorProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/creatorRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            tools:listitem="@layout/item_contributor" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/creatorSeeMore"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="32dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginRight="32dp"
+            android:layout_marginBottom="8dp"
+            android:text="@string/contributor_see_more" />
+    </LinearLayout>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_exam.xml b/app/src/main/res/layout/fragment_exam.xml
index 23086bfb6..ca88849c5 100644
--- a/app/src/main/res/layout/fragment_exam.xml
+++ b/app/src/main/res/layout/fragment_exam.xml
@@ -2,16 +2,16 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.exam.ExamFragment">
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginBottom="50dp">
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/examProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
@@ -25,7 +25,8 @@
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/examRecycler"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="match_parent"
+                tools:listitem="@layout/header_exam" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
         <LinearLayout
@@ -53,44 +54,105 @@
                 android:text="@string/exam_no_items"
                 android:textSize="20sp" />
         </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/examError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/examErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/examErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/examErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/examNavContainer"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
+        android:layout_height="48dp"
         android:layout_gravity="bottom"
+        android:gravity="center"
         android:orientation="horizontal"
         tools:ignore="UnusedAttribute">
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/examPreviousButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="start|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_prev"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
 
         <TextView
             android:id="@+id/examNavDate"
             android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
+            android:layout_height="match_parent"
+            android:fontFamily="sans-serif"
             android:gravity="center"
-            android:text="@string/app_name" />
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/examNextButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
             android:layout_weight="1"
-            android:gravity="end|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_next"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_grade.xml b/app/src/main/res/layout/fragment_grade.xml
index d134ec17c..ed0447fb5 100644
--- a/app/src/main/res/layout/fragment_grade.xml
+++ b/app/src/main/res/layout/fragment_grade.xml
@@ -13,27 +13,20 @@
         android:visibility="invisible"
         app:tabMode="scrollable"
         app:tabSelectedTextColor="?colorPrimary"
-        app:tabTextColor="@color/mtrl_on_surface_emphasis_medium"
+        app:tabTextColor="@color/material_on_surface_emphasis_medium"
         tools:ignore="UnusedAttribute"
         tools:visibility="visible" />
 
-    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/gradeSwipe"
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/gradeViewPager"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:layout_marginTop="48dp">
+        android:layout_marginTop="48dp"
+        android:visibility="invisible"
+        tools:visibility="visible" />
 
-        <androidx.viewpager.widget.ViewPager
-            android:id="@+id/gradeViewPager"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="invisible"
-            tools:visibility="visible" />
-    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
-
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/gradeProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -41,7 +34,7 @@
         tools:visibility="invisible" />
 
     <LinearLayout
-        android:id="@+id/gradeEmpty"
+        android:id="@+id/gradeError"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:gravity="center"
@@ -53,16 +46,41 @@
         <ImageView
             android:layout_width="100dp"
             android:layout_height="100dp"
-            app:srcCompat="@drawable/ic_main_grade"
+            app:srcCompat="@drawable/ic_error"
             app:tint="?colorOnBackground"
             tools:ignore="contentDescription" />
 
         <TextView
+            android:id="@+id/gradeErrorMessage"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="20dp"
             android:gravity="center"
-            android:text="@string/grade_no_items"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
             android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
     </LinearLayout>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/fragment_grade_details.xml b/app/src/main/res/layout/fragment_grade_details.xml
index 125d43a95..c1b88580a 100644
--- a/app/src/main/res/layout/fragment_grade_details.xml
+++ b/app/src/main/res/layout/fragment_grade_details.xml
@@ -13,12 +13,12 @@
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/gradeDetailsRecycler"
             android:layout_width="match_parent"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_grade_details" />
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/gradeDetailsProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -49,4 +49,55 @@
             android:text="@string/grade_no_items"
             android:textSize="20sp" />
     </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/gradeDetailsError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/gradeDetailsErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeDetailsErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeDetailsErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_grade_statistics.xml b/app/src/main/res/layout/fragment_grade_statistics.xml
index 49ae6682b..3bd57b4b1 100644
--- a/app/src/main/res/layout/fragment_grade_statistics.xml
+++ b/app/src/main/res/layout/fragment_grade_statistics.xml
@@ -3,8 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context=".ui.modules.grade.statistics.GradeStatisticsFragment">
+    android:orientation="vertical">
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/gradeStatisticsSubjectsContainer"
@@ -12,7 +11,8 @@
         android:layout_height="wrap_content"
         android:background="?android:windowBackground"
         android:padding="5dp"
-        android:visibility="invisible"
+        android:visibility="visible"
+        app:layout_constraintTop_toTopOf="parent"
         tools:ignore="UnusedAttribute"
         tools:listitem="@layout/item_attendance_summary"
         tools:visibility="visible">
@@ -31,98 +31,104 @@
             android:spinnerMode="dialog" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 
-
     <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
         android:id="@+id/gradeStatisticsSwipe"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content">
+        android:layout_height="match_parent">
 
-        <androidx.core.widget.NestedScrollView
+        <FrameLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:fillViewport="true">
+            android:layout_height="match_parent">
+
+            <com.google.android.material.progressindicator.CircularProgressIndicator
+                android:id="@+id/gradeStatisticsProgress"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:indeterminate="true"
+                tools:visibility="gone" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/gradeStatisticsRecycler"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                tools:listitem="@layout/item_grade_statistics_pie" />
 
             <LinearLayout
+                android:id="@+id/gradeStatisticsEmpty"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="vertical">
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:orientation="vertical"
+                android:visibility="invisible"
+                tools:ignore="UseCompoundDrawables">
 
-                <RadioGroup
-                    android:id="@+id/gradeStatisticsTypeSwitch"
-                    android:layout_width="fill_parent"
+                <ImageView
+                    android:layout_width="100dp"
+                    android:layout_height="100dp"
+                    app:srcCompat="@drawable/ic_main_grade"
+                    app:tint="?colorOnBackground"
+                    tools:ignore="contentDescription" />
+
+                <TextView
+                    android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:layout_gravity="center"
+                    android:layout_marginTop="20dp"
                     android:gravity="center"
-                    android:orientation="horizontal"
-                    android:paddingTop="5dp"
-                    android:visibility="invisible"
-                    tools:visibility="visible">
-
-                    <com.google.android.material.radiobutton.MaterialRadioButton
-                        android:id="@+id/gradeStatisticsTypePartial"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:checked="true"
-                        android:tag="partial"
-                        android:text="@string/grade_statistics_partial" />
-
-                    <com.google.android.material.radiobutton.MaterialRadioButton
-                        android:id="@+id/gradeStatisticsTypeSemester"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:tag="annual"
-                        android:text="@string/grade_statistics_semester" />
-                </RadioGroup>
-
-                <FrameLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="match_parent">
-
-                    <com.github.mikephil.charting.charts.PieChart
-                        android:id="@+id/gradeStatisticsChart"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:layout_margin="10dp"
-                        android:background="?android:windowBackground"
-                        android:minHeight="400dp"
-                        android:visibility="gone"
-                        tools:visibility="visible" />
-
-                    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
-                        android:id="@+id/gradeStatisticsProgress"
-                        style="@style/Widget.MaterialProgressBar.ProgressBar"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_gravity="center"
-                        android:indeterminate="true"
-                        tools:visibility="gone" />
-
-                    <LinearLayout
-                        android:id="@+id/gradeStatisticsEmpty"
-                        android:layout_width="match_parent"
-                        android:layout_height="match_parent"
-                        android:gravity="center"
-                        android:orientation="vertical"
-                        android:visibility="invisible"
-                        tools:ignore="UseCompoundDrawables">
-
-                        <ImageView
-                            android:layout_width="100dp"
-                            android:layout_height="100dp"
-                            app:srcCompat="@drawable/ic_main_grade"
-                            app:tint="?colorOnBackground"
-                            tools:ignore="contentDescription" />
-
-                        <TextView
-                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
-                            android:layout_marginTop="20dp"
-                            android:gravity="center"
-                            android:text="@string/grade_no_items"
-                            android:textSize="20sp" />
-                    </LinearLayout>
-                </FrameLayout>
+                    android:text="@string/grade_no_items"
+                    android:textSize="20sp" />
             </LinearLayout>
-        </androidx.core.widget.NestedScrollView>
+
+            <LinearLayout
+                android:id="@+id/gradeStatisticsError"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:gravity="center"
+                android:orientation="vertical"
+                android:visibility="invisible"
+                tools:ignore="UseCompoundDrawables"
+                tools:visibility="invisible">
+
+                <ImageView
+                    android:layout_width="100dp"
+                    android:layout_height="100dp"
+                    app:srcCompat="@drawable/ic_error"
+                    app:tint="?colorOnBackground"
+                    tools:ignore="contentDescription" />
+
+                <TextView
+                    android:id="@+id/gradeStatisticsErrorMessage"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="20dp"
+                    android:gravity="center"
+                    android:padding="8dp"
+                    android:text="@string/error_unknown"
+                    android:textSize="20sp" />
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="16dp"
+                    android:gravity="center"
+                    android:orientation="horizontal">
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/gradeStatisticsErrorDetails"
+                        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginEnd="8dp"
+                        android:layout_marginRight="8dp"
+                        android:text="@string/all_details" />
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/gradeStatisticsErrorRetry"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/all_retry" />
+                </LinearLayout>
+            </LinearLayout>
+        </FrameLayout>
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 </LinearLayout>
diff --git a/app/src/main/res/layout/fragment_grade_summary.xml b/app/src/main/res/layout/fragment_grade_summary.xml
index 2d9e7dc6f..a3425513d 100644
--- a/app/src/main/res/layout/fragment_grade_summary.xml
+++ b/app/src/main/res/layout/fragment_grade_summary.xml
@@ -13,12 +13,12 @@
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/gradeSummaryRecycler"
             android:layout_width="match_parent"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_grade_summary" />
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/gradeSummaryProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -49,4 +49,55 @@
             android:text="@string/grade_no_items"
             android:textSize="20sp" />
     </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/gradeSummaryError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/gradeSummaryErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeSummaryErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/gradeSummaryErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_homework.xml b/app/src/main/res/layout/fragment_homework.xml
index b80727ecc..c0b5698d5 100644
--- a/app/src/main/res/layout/fragment_homework.xml
+++ b/app/src/main/res/layout/fragment_homework.xml
@@ -2,16 +2,16 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.homework.HomeworkFragment">
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginBottom="50dp">
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/homeworkProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
@@ -25,7 +25,8 @@
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/homeworkRecycler"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="match_parent"
+                tools:listitem="@layout/item_homework" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
         <LinearLayout
@@ -53,44 +54,105 @@
                 android:text="@string/homework_no_items"
                 android:textSize="20sp" />
         </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/homeworkError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/homeworkErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/homeworkErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/homeworkErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/homeworkNavContainer"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
+        android:layout_height="48dp"
         android:layout_gravity="bottom"
+        android:gravity="center"
         android:orientation="horizontal"
         tools:ignore="UnusedAttribute">
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/homeworkPreviousButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="start|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_prev"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
 
         <TextView
             android:id="@+id/homeworkNavDate"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
+            android:fontFamily="sans-serif"
             android:gravity="center"
-            android:text="@string/app_name" />
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/homeworkNextButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
             android:layout_weight="1"
-            android:gravity="end|center_vertical"
-            android:insetRight="8dp"
-            android:text="@string/all_next"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_license.xml b/app/src/main/res/layout/fragment_license.xml
index 80ecd6b10..5551d4f19 100644
--- a/app/src/main/res/layout/fragment_license.xml
+++ b/app/src/main/res/layout/fragment_license.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/licenseProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -14,5 +14,6 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/licenseRecycler"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        tools:listitem="@layout/item_license" />
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_login_advanced.xml b/app/src/main/res/layout/fragment_login_advanced.xml
new file mode 100644
index 000000000..c7acaa70b
--- /dev/null
+++ b/app/src/main/res/layout/fragment_login_advanced.xml
@@ -0,0 +1,286 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.login.advanced.LoginAdvancedFragment">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/loginFormProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        android:visibility="gone" />
+
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/nestedScrollView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/loginFormContainer"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/loginFormHeader"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="32dp"
+                android:layout_marginLeft="32dp"
+                android:layout_marginTop="32dp"
+                android:layout_marginEnd="32dp"
+                android:layout_marginRight="32dp"
+                android:gravity="center_horizontal"
+                android:text="@string/login_header_default"
+                android:textSize="16sp"
+                app:fontFamily="sans-serif-light"
+                app:layout_constraintBottom_toTopOf="@+id/loginTypeSwitch"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_chainStyle="packed" />
+
+            <RadioGroup
+                android:id="@+id/loginTypeSwitch"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:gravity="center"
+                android:orientation="horizontal"
+                android:paddingTop="24dp"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormAdvancedWarningInfo"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormHeader">
+
+                <RadioButton
+                    android:id="@+id/loginTypeApi"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:tag="api"
+                    android:text="@string/login_type_api" />
+
+                <RadioButton
+                    android:id="@+id/loginTypeScrapper"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:checked="true"
+                    android:tag="scrapper"
+                    android:text="@string/login_type_scrapper" />
+
+                <RadioButton
+                    android:id="@+id/loginTypeHybrid"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:tag="hybrid"
+                    android:text="@string/login_type_hybrid" />
+            </RadioGroup>
+
+            <TextView
+                android:id="@+id/loginFormAdvancedWarningInfo"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="12dp"
+                android:layout_marginRight="24dp"
+                android:gravity="center_horizontal"
+                android:lineSpacingExtra="3sp"
+                android:text="@string/login_advanced_warning_scraper"
+                android:textColor="?colorTimetableChange"
+                app:layout_constraintBottom_toTopOf="@id/loginFormUsernameLayout"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/loginTypeSwitch" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormUsernameLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="24dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_nickname_hint"
+                app:errorEnabled="true"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormPassLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormAdvancedWarningInfo">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/loginFormUsername"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:autofillHints="username|emailAddress"
+                    android:importantForAutofill="yes"
+                    android:inputType="textEmailAddress"
+                    android:maxLines="1"
+                    tools:targetApi="o" />
+
+                <requestFocus />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormPassLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_password_hint"
+                app:errorEnabled="true"
+                app:errorIconDrawable="@null"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormHostLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormUsernameLayout"
+                app:passwordToggleEnabled="true">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/loginFormPass"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:autofillHints="password"
+                    android:imeActionLabel="@string/login_sign_in"
+                    android:imeOptions="actionDone"
+                    android:importantForAutofill="yes"
+                    android:inputType="textPassword"
+                    android:maxLines="1"
+                    app:fontFamily="sans-serif"
+                    tools:targetApi="o" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormHostLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:layout_marginBottom="16dp"
+                android:hint="@string/login_host_hint"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormTokenLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormPassLayout">
+
+                <AutoCompleteTextView
+                    android:id="@+id/loginFormHost"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    tools:ignore="Deprecated,LabelFor" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormTokenLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_token_hint"
+                app:errorEnabled="true"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormSymbolLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormHostLayout">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/loginFormToken"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:inputType="textCapCharacters"
+                    android:maxLines="1" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormSymbolLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_symbol_hint"
+                app:errorEnabled="true"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormPinLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormTokenLayout">
+
+                <AutoCompleteTextView
+                    android:id="@+id/loginFormSymbol"
+                    style="@style/Widget.MaterialComponents.TextInputEditText.OutlinedBox"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:imeActionLabel="@string/login_sign_in"
+                    android:imeOptions="actionDone"
+                    android:importantForAutofill="no"
+                    android:inputType="textAutoComplete|textNoSuggestions"
+                    android:maxLines="1"
+                    tools:ignore="LabelFor" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginFormPinLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_pin_hint"
+                app:errorEnabled="true"
+                app:layout_constraintBottom_toTopOf="@id/loginFormSignIn"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/loginFormSymbolLayout">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/loginFormPin"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:imeActionLabel="@string/login_sign_in"
+                    android:imeOptions="actionDone"
+                    android:inputType="number"
+                    android:maxLines="1" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginFormSignIn"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:layout_marginTop="8dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:layout_marginBottom="16dp"
+                android:text="@string/login_sign_in"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormPinLayout" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.core.widget.NestedScrollView>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_login_form.xml b/app/src/main/res/layout/fragment_login_form.xml
index 5f6d2b5c8..fb0e138e9 100644
--- a/app/src/main/res/layout/fragment_login_form.xml
+++ b/app/src/main/res/layout/fragment_login_form.xml
@@ -2,11 +2,11 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.login.form.LoginFormFragment">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/loginFormProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -23,7 +23,71 @@
         <androidx.constraintlayout.widget.ConstraintLayout
             android:id="@+id/loginFormContainer"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:paddingBottom="16dp">
+
+            <LinearLayout
+                android:id="@+id/loginFormContact"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:visibility="gone"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:visibility="visible">
+
+                <TextView
+                    android:id="@+id/loginFormContactHeader"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="32dp"
+                    android:layout_marginLeft="32dp"
+                    android:layout_marginTop="16dp"
+                    android:layout_marginEnd="32dp"
+                    android:layout_marginRight="32dp"
+                    android:layout_marginBottom="16dp"
+                    android:gravity="center_horizontal"
+                    android:text="@string/login_contact_header"
+                    android:textSize="14sp"
+                    app:fontFamily="sans-serif-medium" />
+
+                <LinearLayout
+                    android:id="@+id/loginFormContactButtons"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="16dp"
+                    android:layout_marginRight="16dp"
+                    android:orientation="horizontal">
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/loginFormContactEmail"
+                        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginEnd="8dp"
+                        android:layout_weight="1"
+                        android:text="@string/login_contact_email"
+                        app:icon="@drawable/ic_more_messages" />
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/loginFormFaq"
+                        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="8dp"
+                        android:layout_weight="1"
+                        android:text="@string/about_faq"
+                        app:icon="@drawable/ic_about_faq" />
+                </LinearLayout>
+
+                <View
+                    android:id="@+id/loginFormContactDivider"
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginTop="8dp"
+                    android:background="?android:attr/listDivider" />
+            </LinearLayout>
 
             <TextView
                 android:id="@+id/loginFormHeader"
@@ -31,22 +95,22 @@
                 android:layout_height="wrap_content"
                 android:layout_marginStart="32dp"
                 android:layout_marginLeft="32dp"
-                android:layout_marginTop="32dp"
+                android:layout_marginTop="48dp"
                 android:layout_marginEnd="32dp"
                 android:layout_marginRight="32dp"
                 android:gravity="center_horizontal"
                 android:text="@string/login_header_default"
                 android:textSize="16sp"
                 app:fontFamily="sans-serif-light"
-                app:layout_constraintBottom_toTopOf="@+id/loginFormNameLayout"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormUsernameLayout"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormContact"
                 app:layout_constraintVertical_chainStyle="packed" />
 
 
             <com.google.android.material.textfield.TextInputLayout
-                android:id="@+id/loginFormNameLayout"
+                android:id="@+id/loginFormUsernameLayout"
                 style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
@@ -63,10 +127,11 @@
                 app:layout_constraintTop_toBottomOf="@+id/loginFormHeader">
 
                 <com.google.android.material.textfield.TextInputEditText
-                    android:id="@+id/loginFormName"
+                    android:id="@+id/loginFormUsername"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:autofillHints="emailAddress"
+                    android:autofillHints="username|emailAddress"
+                    android:importantForAutofill="yes"
                     android:inputType="textEmailAddress"
                     android:maxLines="1"
                     tools:targetApi="o" />
@@ -86,10 +151,11 @@
                 android:layout_marginRight="24dp"
                 android:hint="@string/login_password_hint"
                 app:errorEnabled="true"
-                app:layout_constraintBottom_toTopOf="@+id/loginFormHostLayout"
+                app:errorIconDrawable="@null"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormRecoverLink"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/loginFormNameLayout"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormUsernameLayout"
                 app:passwordToggleEnabled="true">
 
                 <com.google.android.material.textfield.TextInputEditText
@@ -99,6 +165,7 @@
                     android:autofillHints="password"
                     android:imeActionLabel="@string/login_sign_in"
                     android:imeOptions="actionDone"
+                    android:importantForAutofill="yes"
                     android:inputType="textPassword"
                     android:maxLines="1"
                     app:fontFamily="sans-serif"
@@ -106,6 +173,21 @@
 
             </com.google.android.material.textfield.TextInputLayout>
 
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginFormRecoverLink"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="24dp"
+                android:text="@string/login_recover_button"
+                android:textAppearance="?android:textAppearance"
+                app:backgroundTint="?android:windowBackground"
+                app:fontFamily="sans-serif-medium"
+                app:layout_constraintBottom_toTopOf="@id/loginFormHostLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormPassLayout"
+                tools:visibility="visible" />
+
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/loginFormHostLayout"
                 style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
@@ -113,23 +195,41 @@
                 android:layout_height="wrap_content"
                 android:layout_marginStart="24dp"
                 android:layout_marginLeft="24dp"
-                android:layout_marginTop="16dp"
+                android:layout_marginTop="8dp"
                 android:layout_marginEnd="24dp"
                 android:layout_marginRight="24dp"
                 android:hint="@string/login_host_hint"
                 android:orientation="vertical"
-                app:layout_constraintBottom_toTopOf="@+id/loginFormSignIn"
+                app:layout_constraintBottom_toTopOf="@+id/loginFormAdvancedButton"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/loginFormPassLayout">
+                app:layout_constraintTop_toBottomOf="@+id/loginFormRecoverLink">
 
                 <AutoCompleteTextView
                     android:id="@+id/loginFormHost"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    tools:ignore="LabelFor" />
+                    android:editable="false"
+                    tools:ignore="Deprecated,LabelFor" />
             </com.google.android.material.textfield.TextInputLayout>
 
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginFormAdvancedButton"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:text="@string/login_advanced"
+                android:textAppearance="?android:textAppearance"
+                android:visibility="gone"
+                app:backgroundTint="?android:windowBackground"
+                app:fontFamily="sans-serif-medium"
+                app:layout_constraintBottom_toBottomOf="@id/loginFormSignIn"
+                app:layout_constraintEnd_toStartOf="@+id/loginFormSignIn"
+                app:layout_constraintHorizontal_bias="0.0"
+                app:layout_constraintStart_toStartOf="@id/loginFormHostLayout"
+                app:layout_constraintTop_toTopOf="@+id/loginFormSignIn" />
+
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/loginFormSignIn"
                 android:layout_width="wrap_content"
@@ -137,47 +237,36 @@
                 android:layout_gravity="center_vertical"
                 android:layout_marginTop="48dp"
                 android:layout_marginEnd="24dp"
-                android:layout_marginRight="24dp"
-                android:layout_marginBottom="16dp"
                 android:text="@string/login_sign_in"
-                app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@+id/loginFormHostLayout" />
 
+            <TextView
+                android:id="@+id/loginFormPrivacyLink"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:gravity="start|center_vertical"
+                android:text="@string/login_privacy_policy"
+                android:textColor="?android:textColorSecondary"
+                android:textSize="12sp"
+                app:fontFamily="sans-serif-medium"
+                app:layout_constraintStart_toStartOf="@id/loginFormAdvancedButton"
+                app:layout_constraintTop_toBottomOf="@+id/loginFormAdvancedButton"
+                tools:visibility="visible" />
+
             <TextView
                 android:id="@+id/loginFormVersion"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="24dp"
-                android:layout_marginLeft="24dp"
-                android:layout_marginEnd="16dp"
-                android:layout_marginRight="16dp"
+                android:layout_marginTop="24dp"
                 android:maxLines="2"
                 android:textColor="?android:textColorSecondary"
                 android:textSize="12sp"
-                android:visibility="invisible"
-                app:layout_constraintBottom_toBottomOf="@id/loginFormSignIn"
-                app:layout_constraintEnd_toStartOf="@+id/loginFormSignIn"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="@+id/loginFormSignIn"
+                android:visibility="visible"
+                app:layout_constraintEnd_toEndOf="@+id/loginFormSignIn"
+                app:layout_constraintTop_toBottomOf="@id/loginFormSignIn"
                 tools:text="Version 1.0.0" />
-
-            <com.google.android.material.button.MaterialButton
-                android:id="@+id/loginFormPrivacyLink"
-                style="@style/Widget.MaterialComponents.Button.TextButton"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginEnd="16dp"
-                android:layout_marginRight="16dp"
-                android:text="@string/login_privacy_policy"
-                android:visibility="invisible"
-                app:fontFamily="sans-serif-medium"
-                app:layout_constraintBottom_toBottomOf="@id/loginFormSignIn"
-                app:layout_constraintEnd_toStartOf="@+id/loginFormSignIn"
-                app:layout_constraintHorizontal_bias="0.0"
-                app:layout_constraintStart_toStartOf="@id/loginFormHostLayout"
-                app:layout_constraintTop_toTopOf="@+id/loginFormSignIn"
-                tools:visibility="visible" />
         </androidx.constraintlayout.widget.ConstraintLayout>
     </androidx.core.widget.NestedScrollView>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_login_recover.xml b/app/src/main/res/layout/fragment_login_recover.xml
new file mode 100644
index 000000000..4277155bc
--- /dev/null
+++ b/app/src/main/res/layout/fragment_login_recover.xml
@@ -0,0 +1,262 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.login.recover.LoginRecoverFragment">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/loginRecoverProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        android:visibility="gone" />
+
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/nestedScrollView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true"
+        android:scrollbars="none"
+        tools:visibility="visible">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/loginRecoverFormContainer"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="16dp"
+            android:visibility="gone">
+
+            <TextView
+                android:id="@+id/loginFormHeader"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="32dp"
+                android:layout_marginLeft="32dp"
+                android:layout_marginTop="48dp"
+                android:layout_marginEnd="32dp"
+                android:layout_marginRight="32dp"
+                android:gravity="center_horizontal"
+                android:text="@string/login_recover_title"
+                android:textSize="16sp"
+                app:fontFamily="sans-serif-light"
+                app:layout_constraintBottom_toTopOf="@+id/loginRecoverInfoMessage"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintVertical_chainStyle="packed" />
+
+            <TextView
+                android:id="@+id/loginRecoverInfoMessage"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="32dp"
+                android:layout_marginTop="24dp"
+                android:layout_marginEnd="32dp"
+                android:gravity="center_horizontal"
+                android:text="@string/login_recover_warning"
+                android:textColor="?colorTimetableChange"
+                app:layout_constraintBottom_toTopOf="@id/loginRecoverNameLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/loginFormHeader" />
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginRecoverNameLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="24dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_email_hint"
+                app:errorEnabled="true"
+                app:layout_constraintBottom_toTopOf="@+id/loginRecoverHostLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginRecoverInfoMessage">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/loginRecoverName"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:autofillHints="emailAddress"
+                    android:imeOptions="actionDone"
+                    android:inputType="textEmailAddress"
+                    android:maxLines="1"
+                    tools:targetApi="o" />
+
+                <requestFocus />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/loginRecoverHostLayout"
+                style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox.ExposedDropdownMenu"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="24dp"
+                android:layout_marginLeft="24dp"
+                android:layout_marginTop="16dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:hint="@string/login_host_hint"
+                android:orientation="vertical"
+                app:layout_constraintBottom_toTopOf="@+id/loginRecoverButton"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginRecoverNameLayout">
+
+                <AutoCompleteTextView
+                    android:id="@+id/loginRecoverHost"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:editable="false"
+                    tools:ignore="Deprecated,LabelFor" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <Button
+                android:id="@+id/loginRecoverButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:layout_marginEnd="24dp"
+                android:layout_marginRight="24dp"
+                android:text="@string/login_recover"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginRecoverHostLayout" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </androidx.core.widget.NestedScrollView>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/loginRecoverCaptchaContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+        <WebView
+            android:id="@+id/loginRecoverWebView"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <LinearLayout
+        android:id="@+id/loginRecoverError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="visible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/loginRecoverErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginRecoverErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details"
+                app:layout_constraintEnd_toStartOf="@id/loginRecoverErrorRetry"
+                app:layout_constraintHorizontal_chainStyle="packed"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginRecoverErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@id/loginRecoverErrorDetails"
+                app:layout_constraintTop_toTopOf="parent" />
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </LinearLayout>
+
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/loginRecoverSuccess"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:fillViewport="true"
+        android:scrollbars="none"
+        android:visibility="invisible"
+        tools:visibility="gone">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            tools:ignore="UseCompoundDrawables">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_all_done"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/loginRecoverSuccessTitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="35dp"
+                android:layout_marginTop="20dp"
+                android:layout_marginEnd="35dp"
+                android:gravity="center"
+                android:textSize="20sp"
+                tools:text="Pomyślnie wysłano email!" />
+
+            <TextView
+                android:id="@+id/loginRecoverSuccessMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_margin="35dp"
+                android:lineSpacingMultiplier="1.5"
+                android:scrollbars="vertical"
+                android:text="@string/login_recover"
+                android:textSize="14sp"
+                tools:text="@tools:sample/lorem/random" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/loginRecoverLogin"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="end"
+                android:layout_marginEnd="30dp"
+                android:layout_marginBottom="30dp"
+                android:text="@android:string/ok" />
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_login_student_select.xml b/app/src/main/res/layout/fragment_login_student_select.xml
index 5d74d066a..bf5431164 100644
--- a/app/src/main/res/layout/fragment_login_student_select.xml
+++ b/app/src/main/res/layout/fragment_login_student_select.xml
@@ -5,9 +5,8 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/loginStudentSelectProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -19,6 +18,77 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <LinearLayout
+            android:id="@+id/loginStudentSelectContact"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:visibility="gone"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:visibility="visible">
+
+            <View
+                android:id="@+id/loginStudentSelectContactTopDivider"
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:background="?android:attr/listDivider" />
+
+            <TextView
+                android:id="@+id/loginStudentSelectContactHeader"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="32dp"
+                android:layout_marginLeft="32dp"
+                android:layout_marginTop="16dp"
+                android:layout_marginEnd="32dp"
+                android:layout_marginRight="32dp"
+                android:layout_marginBottom="16dp"
+                android:gravity="center_horizontal"
+                android:text="@string/login_contact_header"
+                android:textSize="14sp"
+                app:fontFamily="sans-serif-medium" />
+
+            <LinearLayout
+                android:id="@+id/loginStudentSelectContactButtons"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="16dp"
+                android:layout_marginRight="16dp"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/loginStudentSelectContactEmail"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_weight="1"
+                    android:text="@string/login_contact_email"
+                    app:icon="@drawable/ic_more_messages" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/loginStudentSelectContactDiscord"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="8dp"
+                    android:layout_marginLeft="8dp"
+                    android:layout_weight="1"
+                    android:text="@string/login_contact_discord"
+                    app:icon="@drawable/ic_about_discord" />
+            </LinearLayout>
+
+            <View
+                android:id="@+id/loginStudentSelectContactBottomDivider"
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_marginTop="8dp"
+                android:background="?android:attr/listDivider" />
+        </LinearLayout>
+
         <TextView
             android:id="@+id/loginStudentSelectHeader"
             android:layout_width="match_parent"
@@ -36,7 +106,7 @@
             app:layout_constraintBottom_toTopOf="@id/loginStudentSelectRecycler"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/loginStudentSelectContact"
             app:layout_constraintVertical_chainStyle="packed" />
 
         <androidx.recyclerview.widget.RecyclerView
@@ -59,8 +129,8 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="32dp"
             android:layout_marginEnd="24dp"
-            android:layout_marginRight="24dp"
             android:layout_marginBottom="32dp"
+            android:enabled="false"
             android:text="@string/login_sign_in"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
diff --git a/app/src/main/res/layout/fragment_login_symbol.xml b/app/src/main/res/layout/fragment_login_symbol.xml
index 6aab8b2e1..f1c9be4a0 100644
--- a/app/src/main/res/layout/fragment_login_symbol.xml
+++ b/app/src/main/res/layout/fragment_login_symbol.xml
@@ -2,11 +2,11 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.login.symbol.LoginSymbolFragment">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/loginSymbolProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -24,12 +24,82 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content">
 
+            <LinearLayout
+                android:id="@+id/loginSymbolContact"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:visibility="gone"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:visibility="visible">
+
+                <View
+                    android:id="@+id/loginSymbolContactTopDivider"
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:background="?android:attr/listDivider" />
+
+                <TextView
+                    android:id="@+id/loginSymbolContactHeader"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="32dp"
+                    android:layout_marginLeft="32dp"
+                    android:layout_marginTop="16dp"
+                    android:layout_marginEnd="32dp"
+                    android:layout_marginRight="32dp"
+                    android:layout_marginBottom="16dp"
+                    android:gravity="center_horizontal"
+                    android:text="@string/login_contact_header"
+                    android:textSize="14sp"
+                    app:fontFamily="sans-serif-medium" />
+
+                <LinearLayout
+                    android:id="@+id/loginSymbolContactButtons"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="16dp"
+                    android:layout_marginRight="16dp"
+                    android:orientation="horizontal">
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/loginSymbolContactEmail"
+                        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginEnd="8dp"
+                        android:layout_marginRight="8dp"
+                        android:layout_weight="1"
+                        android:text="@string/login_contact_email"
+                        app:icon="@drawable/ic_more_messages" />
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/loginSymbolFaq"
+                        style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="8dp"
+                        android:layout_marginLeft="8dp"
+                        android:layout_weight="1"
+                        android:text="@string/about_faq"
+                        app:icon="@drawable/ic_about_faq" />
+                </LinearLayout>
+
+                <View
+                    android:id="@+id/loginSymbolContactBottomDivider"
+                    android:layout_width="match_parent"
+                    android:layout_height="1dp"
+                    android:layout_marginTop="8dp"
+                    android:background="?android:attr/listDivider" />
+            </LinearLayout>
+
             <TextView
                 android:id="@+id/loginSymbolHeader"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="32dp"
-                android:layout_marginLeft="32dp"
                 android:layout_marginTop="32dp"
                 android:layout_marginEnd="32dp"
                 android:layout_marginRight="32dp"
@@ -37,11 +107,27 @@
                 android:text="@string/login_header_symbol"
                 android:textSize="16sp"
                 app:fontFamily="sans-serif-light"
-                app:layout_constraintBottom_toTopOf="@+id/loginSymbolNameLayout"
+                app:layout_constraintBottom_toTopOf="@+id/loginSymbolHelper"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="0.5"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/loginSymbolContact"
+                app:layout_constraintVertical_chainStyle="packed" />
+
+            <TextView
+                android:id="@+id/loginSymbolHelper"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="32dp"
+                android:layout_marginTop="32dp"
+                android:layout_marginEnd="32dp"
+                android:gravity="center_horizontal"
+                android:text="@string/login_symbol_helper"
+                app:fontFamily="sans-serif-light"
+                app:layout_constraintBottom_toTopOf="@id/loginSymbolNameLayout"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/loginSymbolHeader"
                 app:layout_constraintVertical_chainStyle="packed" />
 
             <com.google.android.material.textfield.TextInputLayout
@@ -49,19 +135,13 @@
                 style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_marginStart="24dp"
-                android:layout_marginLeft="24dp"
-                android:layout_marginTop="48dp"
-                android:layout_marginEnd="24dp"
-                android:layout_marginRight="24dp"
+                android:layout_margin="24dp"
                 android:hint="@string/login_symbol_hint"
-                app:helperText="@string/login_symbol_helper"
-                app:helperTextEnabled="true"
                 app:layout_constraintBottom_toTopOf="@+id/loginSymbolSignIn"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="0.5"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/loginSymbolHeader">
+                app:layout_constraintTop_toBottomOf="@+id/loginSymbolHelper">
 
                 <AutoCompleteTextView
                     android:id="@+id/loginSymbolName"
@@ -70,7 +150,7 @@
                     android:layout_height="wrap_content"
                     android:imeActionLabel="@string/login_sign_in"
                     android:imeOptions="actionDone"
-                    android:inputType="textAutoComplete"
+                    android:inputType="textAutoComplete|textNoSuggestions"
                     android:maxLines="1"
                     tools:ignore="LabelFor" />
             </com.google.android.material.textfield.TextInputLayout>
diff --git a/app/src/main/res/layout/fragment_logviewer.xml b/app/src/main/res/layout/fragment_logviewer.xml
new file mode 100644
index 000000000..64f9125fb
--- /dev/null
+++ b/app/src/main/res/layout/fragment_logviewer.xml
@@ -0,0 +1,34 @@
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    tools:context=".ui.modules.about.logviewer.LogViewerFragment">
+
+    <HorizontalScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="3dp">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/logViewerRecycler"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:scrollbars="vertical" />
+    </HorizontalScrollView>
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/logViewRefreshButton"
+        style="@style/Widget.MaterialComponents.FloatingActionButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:clickable="true"
+        android:focusable="true"
+        android:text="@string/logviewer_refresh"
+        android:tint="?colorOnSecondary"
+        app:srcCompat="@drawable/ic_refresh" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/fragment_lucky_number.xml b/app/src/main/res/layout/fragment_lucky_number.xml
index 5d3afda26..b2d4f40ab 100644
--- a/app/src/main/res/layout/fragment_lucky_number.xml
+++ b/app/src/main/res/layout/fragment_lucky_number.xml
@@ -5,9 +5,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/luckyNumberProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -67,4 +66,75 @@
             android:text="@string/lucky_number_empty"
             android:textSize="20sp" />
     </LinearLayout>
+
+
+    <LinearLayout
+        android:id="@+id/luckyNumberHistory"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="visible"
+        android:gravity="bottom"
+        android:orientation="vertical">
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/luckyNumberHistoryButton"
+            style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginBottom="15dp"
+            android:text="@string/lucky_number_history_button" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/luckyNumberError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/luckyNumberErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/luckyNumberErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/luckyNumberErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/fragment_lucky_number_history.xml b/app/src/main/res/layout/fragment_lucky_number_history.xml
new file mode 100644
index 000000000..5f50d1261
--- /dev/null
+++ b/app/src/main/res/layout/fragment_lucky_number_history.xml
@@ -0,0 +1,149 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/luckyNumberHistoryProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        tools:visibility="invisible" />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/luckyNumberHistoryRecycler"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        tools:listitem="@layout/item_lucky_number_history"/>
+
+
+    <LinearLayout
+        android:id="@+id/luckyNumberHistoryEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_more_lucky_number"
+            app:tint="?colorOnBackground"
+            tools:ignore="ContentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/lucky_number_history_empty"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/luckyNumberHistoryError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/luckyNumberHistoryErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/luckyNumberHistoryErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/luckyNumberHistoryErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+
+    <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
+        android:id="@+id/luckyNumberHistoryNavContainer"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:layout_gravity="bottom"
+        android:gravity="center"
+        android:orientation="horizontal"
+        tools:ignore="UnusedAttribute">
+
+        <ImageButton
+            android:id="@+id/luckyNumberHistoryPreviousButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
+
+        <TextView
+            android:id="@+id/luckyNumberHistoryNavDate"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:background="?selectableItemBackgroundBorderless"
+            android:fontFamily="sans-serif"
+            android:gravity="center"
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
+
+        <ImageButton
+            android:id="@+id/luckyNumberHistoryNextButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
+    </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/fragment_message.xml b/app/src/main/res/layout/fragment_message.xml
index 7a2cfcf4d..a61f37381 100644
--- a/app/src/main/res/layout/fragment_message.xml
+++ b/app/src/main/res/layout/fragment_message.xml
@@ -16,7 +16,7 @@
         app:tabMaxWidth="0dp"
         app:tabMode="fixed"
         app:tabSelectedTextColor="?colorPrimary"
-        app:tabTextColor="@color/mtrl_on_surface_emphasis_medium"
+        app:tabTextColor="@color/material_on_surface_emphasis_medium"
         tools:ignore="UnusedAttribute"
         tools:visibility="visible" />
 
@@ -27,7 +27,7 @@
         android:layout_marginTop="48dp"
         android:visibility="invisible" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
+    <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
         android:id="@+id/openSendMessageButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
@@ -35,12 +35,12 @@
         android:layout_margin="16dp"
         android:clickable="true"
         android:focusable="true"
+        android:text="@string/send_message_title"
         android:tint="?colorOnSecondary"
-        app:srcCompat="@drawable/ic_menu_message_write" />
+        app:icon="@drawable/ic_menu_message_write" />
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/messageProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
diff --git a/app/src/main/res/layout/fragment_message_preview.xml b/app/src/main/res/layout/fragment_message_preview.xml
index eedba669d..4b15cf108 100644
--- a/app/src/main/res/layout/fragment_message_preview.xml
+++ b/app/src/main/res/layout/fragment_message_preview.xml
@@ -5,54 +5,12 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <androidx.core.widget.NestedScrollView
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/messagePreviewRecycler"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-        <LinearLayout
-            android:id="@+id/messagePreviewContentContainer"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:padding="16dp">
-
-            <TextView
-                android:id="@+id/messagePreviewSubject"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginBottom="15dp"
-                android:lineSpacingMultiplier="1.2"
-                android:textSize="22sp"
-                tools:text="@tools:sample/lorem" />
-
-            <TextView
-                android:id="@+id/messagePreviewAuthor"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginBottom="4dp"
-                android:textColor="?android:textColorSecondary"
-                android:textSize="15sp"
-                tools:text="@tools:sample/full_names" />
-
-            <TextView
-                android:id="@+id/messagePreviewDate"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_marginBottom="15dp"
-                android:textColor="?android:textColorSecondary"
-                android:textSize="15sp"
-                tools:text="@tools:sample/date/ddmmyy" />
-
-            <TextView
-                android:id="@+id/messagePreviewContent"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:autoLink="web"
-                android:lineSpacingMultiplier="1.2"
-                android:textIsSelectable="true"
-                tools:text="@tools:sample/lorem" />
-        </LinearLayout>
-    </androidx.core.widget.NestedScrollView>
+        android:layout_height="match_parent"
+        tools:itemCount="1"
+        tools:listitem="@layout/item_message_preview" />
 
     <LinearLayout
         android:id="@+id/messagePreviewError"
@@ -60,29 +18,52 @@
         android:layout_height="match_parent"
         android:gravity="center"
         android:orientation="vertical"
-        android:padding="10dp"
         android:visibility="invisible"
-        tools:ignore="UseCompoundDrawables">
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
 
         <ImageView
             android:layout_width="100dp"
             android:layout_height="100dp"
-            app:srcCompat="@drawable/ic_more_messages"
+            app:srcCompat="@drawable/ic_error"
             app:tint="?colorOnBackground"
             tools:ignore="contentDescription" />
 
         <TextView
+            android:id="@+id/messagePreviewErrorMessage"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="20dp"
             android:gravity="center"
-            android:text="@string/message_preview_error"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
             android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/messagePreviewErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/messagePreviewErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
     </LinearLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/messagePreviewProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
diff --git a/app/src/main/res/layout/fragment_message_tab.xml b/app/src/main/res/layout/fragment_message_tab.xml
index d7f3e706f..4a6948f09 100644
--- a/app/src/main/res/layout/fragment_message_tab.xml
+++ b/app/src/main/res/layout/fragment_message_tab.xml
@@ -12,12 +12,12 @@
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/messageTabRecycler"
             android:layout_width="match_parent"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_message" />
     </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/messageTabProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -47,4 +47,55 @@
             android:text="@string/message_no_items"
             android:textSize="20sp" />
     </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/messageTabError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/messageTabErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/messageTabErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/messageTabErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_mobile_device.xml b/app/src/main/res/layout/fragment_mobile_device.xml
index b78dc067b..afe1db8e0 100644
--- a/app/src/main/res/layout/fragment_mobile_device.xml
+++ b/app/src/main/res/layout/fragment_mobile_device.xml
@@ -5,15 +5,26 @@
     android:layout_height="match_parent"
     tools:context=".ui.modules.mobiledevice.MobileDeviceFragment">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/mobileDevicesProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
         android:indeterminate="true"
         tools:visibility="invisible" />
 
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/mobileDevicesSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/mobileDevicesRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:listitem="@layout/item_mobile_device" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
     <LinearLayout
         android:id="@+id/mobileDevicesEmpty"
         android:layout_width="match_parent"
@@ -42,17 +53,56 @@
             tools:ignore="contentDescription" />
     </LinearLayout>
 
-    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/mobileDevicesSwipe"
+    <LinearLayout
+        android:id="@+id/mobileDevicesError"
         android:layout_width="match_parent"
-        android:layout_height="match_parent">
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
 
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/mobileDevicesRecycler"
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/mobileDevicesErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            tools:listitem="@layout/item_mobile_device" />
-    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/mobileDevicesErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/mobileDevicesErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/mobileDeviceAddButton"
diff --git a/app/src/main/res/layout/fragment_note.xml b/app/src/main/res/layout/fragment_note.xml
index 41a9587db..f62a11a64 100644
--- a/app/src/main/res/layout/fragment_note.xml
+++ b/app/src/main/res/layout/fragment_note.xml
@@ -4,9 +4,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+    <com.google.android.material.progressindicator.CircularProgressIndicator
         android:id="@+id/noteProgress"
-        style="@style/Widget.MaterialProgressBar.ProgressBar"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
@@ -48,4 +47,55 @@
             android:text="@string/note_no_items"
             android:textSize="20sp" />
     </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/noteError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/noteErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/noteErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/noteErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_school.xml b/app/src/main/res/layout/fragment_school.xml
new file mode 100644
index 000000000..32be61db8
--- /dev/null
+++ b/app/src/main/res/layout/fragment_school.xml
@@ -0,0 +1,285 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.schoolandteachers.school.SchoolFragment">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/schoolProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/schoolSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:paddingStart="8dp"
+        android:paddingLeft="8dp"
+        android:paddingTop="8dp"
+        android:paddingEnd="12dp"
+        android:paddingRight="12dp"
+        android:paddingBottom="8dp">
+
+        <LinearLayout
+            android:id="@+id/schoolContent"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingStart="12dp"
+                android:paddingLeft="12dp"
+                android:paddingTop="8dp"
+                android:paddingEnd="12dp"
+                android:paddingRight="12dp"
+                android:paddingBottom="8dp">
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/school_name"
+                    android:textColor="?android:textColorSecondary"
+                    android:textSize="12sp" />
+
+                <TextView
+                    android:id="@+id/schoolName"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:textIsSelectable="true"
+                    android:textSize="17sp"
+                    tools:text="@tools:sample/full_names" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:orientation="vertical"
+                    android:paddingStart="12dp"
+                    android:paddingLeft="12dp"
+                    android:paddingTop="7dp"
+                    android:paddingEnd="12dp"
+                    android:paddingRight="12dp"
+                    android:paddingBottom="7dp">
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/school_address"
+                        android:textColor="?android:textColorSecondary"
+                        android:textSize="12sp" />
+
+                    <TextView
+                        android:id="@+id/schoolAddress"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:textIsSelectable="true"
+                        android:textSize="17sp"
+                        tools:text="@tools:sample/full_names" />
+                </LinearLayout>
+
+                <ImageButton
+                    android:id="@+id/schoolAddressButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    app:srcCompat="@drawable/ic_school_directions"
+                    android:contentDescription="@string/school_address_button"
+                    android:background="?attr/selectableItemBackgroundBorderless"
+                    android:tint="?colorPrimary"
+                    android:padding="4dp"
+                    android:layout_marginTop="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_marginLeft="8dp"
+                    android:layout_gravity="center_vertical" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal">
+                <LinearLayout
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:orientation="vertical"
+                    android:paddingStart="12dp"
+                    android:paddingLeft="12dp"
+                    android:paddingTop="7dp"
+                    android:paddingEnd="12dp"
+                    android:paddingRight="12dp"
+                    android:paddingBottom="7dp">
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:text="@string/school_telephone"
+                        android:textColor="?android:textColorSecondary"
+                        android:textSize="12sp" />
+
+                    <TextView
+                        android:id="@+id/schoolTelephone"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:textIsSelectable="true"
+                        android:textSize="17sp"
+                        tools:text="@tools:sample/full_names" />
+                </LinearLayout>
+
+                <ImageButton
+                    android:id="@+id/schoolTelephoneButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    app:srcCompat="@drawable/ic_all_phone"
+                    android:contentDescription="@string/school_telephone_button"
+                    android:background="?attr/selectableItemBackgroundBorderless"
+                    android:tint="?colorPrimary"
+                    android:padding="4dp"
+                    android:layout_marginTop="8dp"
+                    android:layout_marginRight="8dp"
+                    android:layout_marginLeft="8dp"
+                    android:layout_gravity="center_vertical" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingStart="12dp"
+                android:paddingLeft="12dp"
+                android:paddingTop="7dp"
+                android:paddingEnd="12dp"
+                android:paddingRight="12dp"
+                android:paddingBottom="7dp">
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/school_headmaster"
+                    android:textColor="?android:textColorSecondary"
+                    android:textSize="12sp" />
+
+                <TextView
+                    android:id="@+id/schoolHeadmaster"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:textIsSelectable="true"
+                    android:textSize="17sp"
+                    tools:text="@tools:sample/full_names" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingStart="12dp"
+                android:paddingLeft="12dp"
+                android:paddingTop="7dp"
+                android:paddingEnd="12dp"
+                android:paddingRight="12dp"
+                android:paddingBottom="7dp">
+
+                <TextView
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/school_pedagogue"
+                    android:textColor="?android:textColorSecondary"
+                    android:textSize="12sp" />
+
+                <TextView
+                    android:id="@+id/schoolPedagogue"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:textIsSelectable="true"
+                    android:textSize="17sp"
+                    tools:text="@tools:sample/full_names" />
+            </LinearLayout>
+        </LinearLayout>
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/schoolEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_more_schoolandteachers"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/school_no_info"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/schoolError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/schoolErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/schoolErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/schoolErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_schoolandteachers.xml b/app/src/main/res/layout/fragment_schoolandteachers.xml
new file mode 100644
index 000000000..f9fec1dd9
--- /dev/null
+++ b/app/src/main/res/layout/fragment_schoolandteachers.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <io.github.wulkanowy.ui.widgets.MaterialTabLayout
+        android:id="@+id/schoolandteachersTabLayout"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:background="?colorSurface"
+        android:visibility="invisible"
+        app:tabGravity="fill"
+        app:tabIndicatorColor="?colorPrimary"
+        app:tabMaxWidth="0dp"
+        app:tabMode="fixed"
+        app:tabSelectedTextColor="?colorPrimary"
+        app:tabTextColor="@color/material_on_surface_emphasis_medium"
+        tools:ignore="UnusedAttribute"
+        tools:visibility="visible" />
+
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/schoolandteachersViewPager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="48dp"
+        android:visibility="invisible" />
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/schoolandteachersProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
+
diff --git a/app/src/main/res/layout/fragment_student_info.xml b/app/src/main/res/layout/fragment_student_info.xml
new file mode 100644
index 000000000..5970e2fc4
--- /dev/null
+++ b/app/src/main/res/layout/fragment_student_info.xml
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/student_info_progress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:layout_width="match_parent"
+        android:id="@+id/student_info_swipe"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/student_info_recycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/student_info_empty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="visible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_all_about"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/student_info_empty"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/student_info_error"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="visible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/student_info_error_message"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/student_info_error_details"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/student_info_error_retry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_teacher.xml b/app/src/main/res/layout/fragment_teacher.xml
new file mode 100644
index 000000000..ef27d2c47
--- /dev/null
+++ b/app/src/main/res/layout/fragment_teacher.xml
@@ -0,0 +1,102 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.progressindicator.CircularProgressIndicator
+        android:id="@+id/teacherProgress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:indeterminate="true" />
+
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+        android:id="@+id/teacherSwipe"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            tools:listitem="@layout/item_teacher"
+            android:id="@+id/teacherRecycler"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+    <LinearLayout
+        android:id="@+id/teacherEmpty"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:padding="10dp"
+        android:visibility="gone"
+        tools:ignore="UseCompoundDrawables">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_more_schoolandteachers"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:text="@string/teacher_no_items"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/teacherError"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="invisible"
+        tools:ignore="UseCompoundDrawables"
+        tools:visibility="invisible">
+
+        <ImageView
+            android:layout_width="100dp"
+            android:layout_height="100dp"
+            app:srcCompat="@drawable/ic_error"
+            app:tint="?colorOnBackground"
+            tools:ignore="contentDescription" />
+
+        <TextView
+            android:id="@+id/teacherErrorMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="20dp"
+            android:gravity="center"
+            android:padding="8dp"
+            android:text="@string/error_unknown"
+            android:textSize="20sp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="16dp"
+            android:gravity="center"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/teacherErrorDetails"
+                style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:layout_marginRight="8dp"
+                android:text="@string/all_details" />
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/teacherErrorRetry"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/all_retry" />
+        </LinearLayout>
+    </LinearLayout>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_timetable.xml b/app/src/main/res/layout/fragment_timetable.xml
index 85324961f..df33b289e 100644
--- a/app/src/main/res/layout/fragment_timetable.xml
+++ b/app/src/main/res/layout/fragment_timetable.xml
@@ -2,16 +2,16 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.timetable.TimetableFragment">
 
     <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginBottom="50dp">
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/timetableProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
@@ -25,7 +25,8 @@
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/timetableRecycler"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent" />
+                android:layout_height="match_parent"
+                tools:listitem="@layout/item_timetable" />
         </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
         <LinearLayout
@@ -53,44 +54,106 @@
                 android:text="@string/timetable_no_items"
                 android:textSize="20sp" />
         </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/timetableError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/timetableErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/timetableErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/timetableErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/timetableNavContainer"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
+        android:layout_height="48dp"
         android:layout_gravity="bottom"
+        android:gravity="center"
         android:orientation="horizontal"
         tools:ignore="UnusedAttribute">
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/timetablePreviousButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="start|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_prev"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
 
         <TextView
             android:id="@+id/timetableNavDate"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
+            android:background="?selectableItemBackgroundBorderless"
+            android:fontFamily="sans-serif"
             android:gravity="center"
-            android:text="@string/app_name" />
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/timetableNextButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
             android:layout_weight="1"
-            android:gravity="end|center_vertical"
-            android:insetRight="8dp"
-            android:text="@string/all_next"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/fragment_timetable_additional.xml b/app/src/main/res/layout/fragment_timetable_additional.xml
new file mode 100644
index 000000000..61eb44454
--- /dev/null
+++ b/app/src/main/res/layout/fragment_timetable_additional.xml
@@ -0,0 +1,162 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.modules.timetable.additional.AdditionalLessonsFragment">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginBottom="50dp">
+
+        <com.google.android.material.progressindicator.CircularProgressIndicator
+            android:id="@+id/additionalLessonsProgress"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:indeterminate="true" />
+
+        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+            android:id="@+id/additionalLessonsSwipe"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/additionalLessonsRecycler"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                tools:listitem="@layout/item_timetable_additional" />
+        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+
+        <LinearLayout
+            android:id="@+id/additionalLessonsEmpty"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:padding="10dp"
+            android:visibility="gone">
+
+            <androidx.appcompat.widget.AppCompatImageView
+                android:id="@+id/additionalLessonsInfoImage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:minWidth="100dp"
+                android:minHeight="100dp"
+                app:srcCompat="@drawable/ic_menu_timetable_lessons_additional"
+                app:tint="?android:attr/textColorPrimary"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/additionalLessonsInfo"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:text="@string/additional_lessons_no_items"
+                android:textSize="20sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/additionalLessonsError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/additionalLessonsErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/additionalLessonsErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/additionalLessonsErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+
+    <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
+        android:id="@+id/additionalLessonsNavContainer"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:layout_gravity="bottom"
+        android:gravity="center"
+        android:orientation="horizontal"
+        tools:ignore="UnusedAttribute">
+
+        <ImageButton
+            android:id="@+id/additionalLessonsPreviousButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
+
+        <TextView
+            android:id="@+id/additionalLessonsNavDate"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:background="?selectableItemBackgroundBorderless"
+            android:fontFamily="sans-serif"
+            android:gravity="center"
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
+
+        <ImageButton
+            android:id="@+id/additionalLessonsNextButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
+    </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
+</FrameLayout>
diff --git a/app/src/main/res/layout/fragment_timetable_completed.xml b/app/src/main/res/layout/fragment_timetable_completed.xml
index dee31ae4f..1a890fe12 100644
--- a/app/src/main/res/layout/fragment_timetable_completed.xml
+++ b/app/src/main/res/layout/fragment_timetable_completed.xml
@@ -10,9 +10,8 @@
         android:layout_height="match_parent"
         android:layout_marginBottom="50dp">
 
-        <me.zhanghai.android.materialprogressbar.MaterialProgressBar
+        <com.google.android.material.progressindicator.CircularProgressIndicator
             android:id="@+id/completedLessonsProgress"
-            style="@style/Widget.MaterialProgressBar.ProgressBar"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_gravity="center"
@@ -57,44 +56,106 @@
                 android:text="@string/completed_lessons_no_items"
                 android:textSize="20sp" />
         </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/completedLessonError"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:visibility="invisible"
+            tools:ignore="UseCompoundDrawables"
+            tools:visibility="invisible">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                app:srcCompat="@drawable/ic_error"
+                app:tint="?colorOnBackground"
+                tools:ignore="contentDescription" />
+
+            <TextView
+                android:id="@+id/completedLessonErrorMessage"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="20dp"
+                android:gravity="center"
+                android:padding="8dp"
+                android:text="@string/error_unknown"
+                android:textSize="20sp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
+                android:gravity="center"
+                android:orientation="horizontal">
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/completedLessonErrorDetails"
+                    style="@style/Widget.MaterialComponents.Button.OutlinedButton"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="8dp"
+                    android:layout_marginRight="8dp"
+                    android:text="@string/all_details" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/completedLessonErrorRetry"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/all_retry" />
+            </LinearLayout>
+        </LinearLayout>
     </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <io.github.wulkanowy.ui.widgets.MaterialLinearLayout
         android:id="@+id/completedLessonsNavContainer"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
+        android:layout_height="48dp"
         android:layout_gravity="bottom"
+        android:gravity="center"
         android:orientation="horizontal"
         tools:ignore="UnusedAttribute">
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/completedLessonsPreviousButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="start|center_vertical"
-            android:insetLeft="8dp"
-            android:text="@string/all_prev"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_prev"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitStart"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_left" />
 
         <TextView
             android:id="@+id/completedLessonsNavDate"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
+            android:background="?selectableItemBackgroundBorderless"
+            android:fontFamily="sans-serif"
             android:gravity="center"
-            android:text="@string/app_name" />
+            android:textSize="16sp"
+            tools:text="@tools:sample/date/ddmmyy" />
 
-        <com.google.android.material.button.MaterialButton
+        <ImageButton
             android:id="@+id/completedLessonsNextButton"
-            style="@style/Widget.MaterialComponents.Button.TextButton"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="end"
             android:layout_weight="1"
-            android:gravity="end|center_vertical"
-            android:insetRight="8dp"
-            android:text="@string/all_next"
-            android:textColor="?android:textColorPrimary" />
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/all_next"
+            android:paddingLeft="12dp"
+            android:paddingTop="8dp"
+            android:paddingRight="12dp"
+            android:paddingBottom="8dp"
+            android:scaleType="fitEnd"
+            android:tint="?colorPrimary"
+            app:srcCompat="@drawable/ic_chevron_right" />
     </io.github.wulkanowy.ui.widgets.MaterialLinearLayout>
 </FrameLayout>
diff --git a/app/src/main/res/layout/header_account.xml b/app/src/main/res/layout/header_account.xml
new file mode 100644
index 000000000..862525522
--- /dev/null
+++ b/app/src/main/res/layout/header_account.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingHorizontal="16dp"
+    android:paddingBottom="16dp"
+    tools:context=".ui.modules.account.AccountAdapter">
+
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:id="@+id/accountHeaderDivider"
+        android:layout_marginTop="16dp"
+        android:background="@color/colorDivider" />
+
+    <TextView
+        android:id="@+id/accountHeaderEmail"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="14sp"
+        tools:text="jan@fakelog.cf" />
+
+    <TextView
+        android:id="@+id/accountHeaderType"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="12sp"
+        tools:text="Konto ucznia" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/header_exam.xml b/app/src/main/res/layout/header_exam.xml
index 3a2e38c59..43f089f73 100644
--- a/app/src/main/res/layout/header_exam.xml
+++ b/app/src/main/res/layout/header_exam.xml
@@ -10,7 +10,7 @@
     android:paddingTop="10dp"
     android:paddingRight="20dp"
     android:paddingBottom="10dp"
-    tools:context=".ui.modules.exam.ExamHeader">
+    tools:context=".ui.modules.exam.ExamAdapter">
 
     <TextView
         android:id="@+id/examHeaderDay"
@@ -25,7 +25,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
         android:gravity="end"
         android:textSize="13sp"
         tools:text="25.01.2020" />
diff --git a/app/src/main/res/layout/header_grade_details.xml b/app/src/main/res/layout/header_grade_details.xml
index a83951dd5..f2ba9a8c9 100644
--- a/app/src/main/res/layout/header_grade_details.xml
+++ b/app/src/main/res/layout/header_grade_details.xml
@@ -1,61 +1,93 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/gradeHeaderContainer"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="?selectableItemBackground"
-    android:paddingLeft="16dp"
-    android:paddingTop="10dp"
-    android:paddingRight="16dp"
-    android:paddingBottom="10dp"
-    tools:context=".ui.modules.grade.details.GradeDetailsHeader">
+    android:background="?android:windowBackground">
 
-    <TextView
-        android:id="@+id/gradeHeaderSubject"
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/gradeHeaderContainer"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginEnd="20dp"
-        android:layout_marginRight="20dp"
-        android:layout_toStartOf="@id/gradeHeaderNote"
-        android:layout_toLeftOf="@id/gradeHeaderNote"
-        android:ellipsize="end"
-        android:maxLines="1"
-        android:textSize="15sp"
-        tools:text="Fizyka" />
+        android:background="?selectableItemBackground"
+        tools:context=".ui.modules.grade.details.GradeDetailsAdapter">
 
-    <TextView
-        android:id="@+id/gradeHeaderAverage"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@+id/gradeHeaderSubject"
-        android:layout_marginTop="5dp"
-        android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="Average: 6,00" />
+        <View
+            android:id="@+id/gradeHeaderDivider"
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:background="?android:attr/listDivider"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
 
-    <TextView
-        android:id="@+id/gradeHeaderNumber"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/gradeHeaderSubject"
-        android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginTop="5dp"
-        android:layout_toEndOf="@+id/gradeHeaderAverage"
-        android:layout_toRightOf="@+id/gradeHeaderAverage"
-        android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="12 grades" />
+        <TextView
+            android:id="@+id/gradeHeaderSubject"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginTop="10dp"
+            android:layout_marginEnd="20dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textSize="15sp"
+            app:layout_constraintEnd_toStartOf="@id/gradeHeaderNote"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="@tools:sample/lorem/random" />
 
-    <TextView
-        android:id="@+id/gradeHeaderNote"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginTop="10dp"
-        app:srcCompat="@drawable/ic_all_round_mark"
-        app:tint="?colorPrimary"
-        tools:ignore="contentDescription" />
-</RelativeLayout>
+        <TextView
+            android:id="@+id/gradeHeaderAverage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
+            android:layout_marginBottom="10dp"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="@id/gradeHeaderSubject"
+            app:layout_constraintTop_toBottomOf="@+id/gradeHeaderSubject"
+            tools:text="Average: 6,00" />
+
+        <TextView
+            android:id="@+id/gradeHeaderPointsSum"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="5dp"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constraintStart_toEndOf="@+id/gradeHeaderAverage"
+            app:layout_constraintTop_toBottomOf="@+id/gradeHeaderSubject"
+            tools:text="Points: 123/200 (61,5%)" />
+
+        <TextView
+            android:id="@+id/gradeHeaderNumber"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="5dp"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constraintStart_toEndOf="@+id/gradeHeaderPointsSum"
+            app:layout_constraintTop_toBottomOf="@id/gradeHeaderSubject"
+            tools:text="12 grades" />
+
+        <TextView
+            android:id="@+id/gradeHeaderNote"
+            android:layout_width="wrap_content"
+            android:layout_height="20dp"
+            android:layout_marginEnd="12dp"
+            android:background="@drawable/background_header_note"
+            android:gravity="center"
+            android:minWidth="20dp"
+            android:paddingLeft="5dp"
+            android:paddingRight="5dp"
+            android:textColor="?colorOnPrimary"
+            android:textSize="14sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="255" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>
diff --git a/app/src/main/res/layout/header_homework.xml b/app/src/main/res/layout/header_homework.xml
index 207fcdb40..e1c6608f4 100644
--- a/app/src/main/res/layout/header_homework.xml
+++ b/app/src/main/res/layout/header_homework.xml
@@ -10,7 +10,7 @@
     android:paddingTop="10dp"
     android:paddingRight="20dp"
     android:paddingBottom="10dp"
-    tools:context=".ui.modules.homework.HomeworkHeader">
+    tools:context=".ui.modules.homework.HomeworkAdapter">
 
     <TextView
         android:id="@+id/homeworkHeaderDay"
@@ -25,7 +25,6 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
         android:gravity="end"
         android:textSize="13sp"
         tools:text="22.02.2022" />
diff --git a/app/src/main/res/layout/item_about.xml b/app/src/main/res/layout/item_about.xml
index b5dc3758c..6a95e5529 100644
--- a/app/src/main/res/layout/item_about.xml
+++ b/app/src/main/res/layout/item_about.xml
@@ -4,17 +4,16 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="72dp"
-    android:background="?selectableItemBackground">
+    android:background="?selectableItemBackground"
+    tools:context=".ui.modules.about.AboutAdapter">
 
     <ImageView
         android:id="@+id/aboutItemImage"
         android:layout_width="24dp"
         android:layout_height="24dp"
         android:layout_marginStart="16dp"
-        android:layout_marginLeft="16dp"
         android:layout_marginTop="16dp"
         android:layout_marginEnd="32dp"
-        android:layout_marginRight="32dp"
         app:tint="?colorOnBackground"
         tools:ignore="ContentDescription"
         tools:src="@drawable/ic_all_about" />
@@ -24,9 +23,7 @@
         android:layout_width="wrap_content"
         android:layout_height="32dp"
         android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
         android:layout_toEndOf="@id/aboutItemImage"
-        android:layout_toRightOf="@id/aboutItemImage"
         android:ellipsize="end"
         android:gravity="bottom"
         android:maxLines="1"
@@ -36,16 +33,15 @@
     <TextView
         android:id="@+id/aboutItemSummary"
         android:layout_width="wrap_content"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
         android:layout_below="@id/aboutItemTitle"
         android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
         android:layout_toEndOf="@id/aboutItemImage"
-        android:layout_toRightOf="@id/aboutItemImage"
         android:ellipsize="end"
         android:gravity="bottom"
         android:maxLines="1"
         android:textColor="?android:textColorSecondary"
         android:textSize="14sp"
         tools:text="@tools:sample/lorem" />
-</RelativeLayout>
\ No newline at end of file
+</RelativeLayout>
diff --git a/app/src/main/res/layout/item_account.xml b/app/src/main/res/layout/item_account.xml
index 309be8121..563e6b1e9 100644
--- a/app/src/main/res/layout/item_account.xml
+++ b/app/src/main/res/layout/item_account.xml
@@ -1,53 +1,82 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="56dp"
+    android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
+    android:clickable="true"
+    android:focusable="true"
     android:orientation="horizontal"
-    android:paddingStart="24dp"
-    android:paddingLeft="24dp"
-    android:paddingEnd="24dp"
-    android:paddingRight="24dp"
-    tools:context=".ui.modules.account.AccountItem">
+    android:paddingHorizontal="16dp"
+    android:paddingVertical="8dp"
+    tools:context=".ui.modules.account.AccountAdapter">
 
     <ImageView
         android:id="@+id/accountItemImage"
         android:layout_width="40dp"
         android:layout_height="40dp"
-        android:layout_centerVertical="true"
-        app:srcCompat="@drawable/ic_all_account"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
         tools:ignore="ContentDescription"
-        tools:tint="@color/colorPrimary" />
+        tools:src="@tools:sample/avatars" />
+
+    <com.mikhaellopez.circularimageview.CircularImageView
+        android:id="@+id/account_item_check"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_marginStart="28dp"
+        android:layout_marginTop="28dp"
+        app:civ_border_width="1dp"
+        app:layout_constraintStart_toStartOf="@id/accountItemImage"
+        app:layout_constraintTop_toTopOf="@id/accountItemImage"
+        app:srcCompat="@drawable/ic_all_round_check"
+        app:tint="?colorPrimary" />
 
     <TextView
         android:id="@+id/accountItemName"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_alignTop="@+id/accountItemImage"
-        android:layout_marginStart="20dp"
-        android:layout_marginLeft="20dp"
-        android:layout_toEndOf="@id/accountItemImage"
-        android:layout_toRightOf="@id/accountItemImage"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
         android:ellipsize="end"
         android:maxLines="1"
         android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/accountItemImage"
+        app:layout_constraintTop_toTopOf="@+id/accountItemImage"
         tools:text="@tools:sample/full_names" />
 
     <TextView
         android:id="@+id/accountItemSchool"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_below="@id/accountItemName"
-        android:layout_marginStart="20dp"
-        android:layout_marginLeft="20dp"
+        android:layout_marginStart="16dp"
         android:layout_marginTop="3dp"
-        android:layout_toEndOf="@id/accountItemImage"
-        android:layout_toRightOf="@id/accountItemImage"
+        android:layout_marginEnd="16dp"
         android:ellipsize="end"
         android:maxLines="1"
         android:textColor="?android:textColorSecondary"
         android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/accountItemImage"
+        app:layout_constraintTop_toBottomOf="@id/accountItemName"
         tools:text="@tools:sample/lorem/random" />
-</RelativeLayout>
+
+    <TextView
+        android:id="@+id/accountItemAccountType"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="3dp"
+        android:layout_marginEnd="16dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/accountItemImage"
+        app:layout_constraintTop_toBottomOf="@id/accountItemSchool"
+        tools:text="Tryb API mobilne"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_account_edit_color.xml b/app/src/main/res/layout/item_account_edit_color.xml
new file mode 100644
index 000000000..c701f28da
--- /dev/null
+++ b/app/src/main/res/layout/item_account_edit_color.xml
@@ -0,0 +1,27 @@
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/account_edit_item_color_container"
+    android:layout_width="48dp"
+    android:layout_height="48dp"
+    android:layout_marginTop="10dp"
+    android:layout_marginEnd="10dp"
+    android:clickable="true"
+    android:focusable="true">
+
+    <ImageView
+        android:id="@+id/account_edit_item_color"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:ignore="ContentDescription"
+        tools:src="@tools:sample/avatars" />
+
+    <ImageView
+        android:id="@+id/account_edit_check"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_gravity="center"
+        app:srcCompat="@drawable/ic_check"
+        app:tint="@android:color/white"
+        tools:ignore="ContentDescription" />
+</FrameLayout>
diff --git a/app/src/main/res/layout/item_attendance.xml b/app/src/main/res/layout/item_attendance.xml
index 95a8f0174..e25b51f69 100644
--- a/app/src/main/res/layout/item_attendance.xml
+++ b/app/src/main/res/layout/item_attendance.xml
@@ -1,4 +1,4 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/attendanceItemContainer"
@@ -11,57 +11,96 @@
     android:paddingEnd="12dp"
     android:paddingRight="12dp"
     android:paddingBottom="7dp"
-    tools:context=".ui.modules.attendance.AttendanceItem">
+    tools:context=".ui.modules.attendance.AttendanceAdapter">
 
-    <TextView
-        android:id="@+id/attendanceItemNumber"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
-        android:layout_centerVertical="true"
+    <LinearLayout
+        android:id="@+id/attendanceItemNumberContainer"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
         android:gravity="center"
-        android:includeFontPadding="false"
-        android:maxLength="2"
-        android:textSize="32sp"
-        tools:text="5" />
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="@+id/attendanceItemDetailsContainer">
 
-    <TextView
-        android:id="@+id/attendanceItemSubject"
-        android:layout_width="wrap_content"
+        <TextView
+            android:id="@+id/attendanceItemNumber"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:includeFontPadding="false"
+            android:maxLength="2"
+            android:textSize="32sp"
+            android:visibility="gone"
+            tools:text="5"
+            tools:visibility="visible" />
+
+        <com.google.android.material.checkbox.MaterialCheckBox
+            android:id="@+id/attendanceItemExcuseCheckbox"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:text="@null"
+            android:visibility="gone" />
+
+        <ImageView
+            android:id="@+id/attendanceItemExcuseInfo"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
+            android:visibility="gone"
+            app:srcCompat="@drawable/ic_excuse_waiting"
+            app:tint="?attr/colorOnSurface" />
+    </LinearLayout>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/attendanceItemDetailsContainer"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
-        android:layout_toStartOf="@id/attendanceItemAlert"
-        android:layout_toLeftOf="@id/attendanceItemAlert"
-        android:layout_toEndOf="@+id/attendanceItemNumber"
-        android:layout_toRightOf="@+id/attendanceItemNumber"
-        android:ellipsize="end"
-        android:maxLines="1"
-        android:textSize="17sp"
-        tools:text="Matematyka" />
+        android:layout_marginEnd="10dp"
+        app:layout_constraintEnd_toStartOf="@+id/attendanceItemAlert"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/attendanceItemNumberContainer"
+        app:layout_constraintTop_toTopOf="parent">
 
-    <TextView
-        android:id="@+id/attendanceItemDescription"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignStart="@id/attendanceItemSubject"
-        android:layout_alignLeft="@id/attendanceItemSubject"
-        android:layout_alignBottom="@+id/attendanceItemNumber"
-        android:maxLines="1"
-        android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="Present" />
+        <TextView
+            android:id="@+id/attendanceItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textSize="17sp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            tools:text="Matematyka" />
+
+        <TextView
+            android:id="@+id/attendanceItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:maxLines="1"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constraintBottom_toBottomOf="@id/attendanceItemDetailsContainer"
+            app:layout_constraintStart_toStartOf="@id/attendanceItemDetailsContainer"
+            app:layout_constraintTop_toBottomOf="@id/attendanceItemSubject"
+            tools:text="Present" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
 
     <ImageView
         android:id="@+id/attendanceItemAlert"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginTop="10dp"
+        app:layout_constraintBottom_toBottomOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.5"
+        app:layout_constraintStart_toEndOf="@+id/attendanceItemDetailsContainer"
+        app:layout_constraintTop_toTopOf="@+id/attendanceItemDetailsContainer"
         app:srcCompat="@drawable/ic_all_mark"
         app:tint="?colorPrimary"
         tools:ignore="contentDescription" />
-</RelativeLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_attendance_summary.xml b/app/src/main/res/layout/item_attendance_summary.xml
index b49461955..155526299 100644
--- a/app/src/main/res/layout/item_attendance_summary.xml
+++ b/app/src/main/res/layout/item_attendance_summary.xml
@@ -3,7 +3,8 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:orientation="vertical">
+    android:orientation="vertical"
+    tools:context=".ui.modules.attendance.summary.AttendanceSummaryAdapter">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -20,7 +21,6 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginEnd="40dp"
-            android:layout_marginRight="40dp"
             android:layout_weight="1"
             android:textSize="17sp"
             tools:text="January" />
@@ -46,7 +46,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_present"
             android:textSize="14sp" />
@@ -57,9 +56,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="50" />
@@ -77,7 +74,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_absence_unexcused"
             android:textSize="14sp" />
@@ -88,9 +84,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="0" />
@@ -108,7 +102,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_absence_excused"
             android:textSize="14sp" />
@@ -119,9 +112,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="25" />
@@ -139,7 +130,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_absence_school"
             android:textSize="14sp" />
@@ -150,9 +140,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="0" />
@@ -170,7 +158,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_exemption"
             android:textSize="14sp" />
@@ -181,9 +168,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="6" />
@@ -201,7 +186,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_unexcused_lateness"
             android:textSize="14sp" />
@@ -212,9 +196,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="0" />
@@ -232,7 +214,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/attendance_excused_lateness"
             android:textSize="14sp" />
@@ -243,9 +224,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="0" />
diff --git a/app/src/main/res/layout/item_attendance_summary_subject.xml b/app/src/main/res/layout/item_attendance_summary_subject.xml
index 263c08a73..ff731461d 100644
--- a/app/src/main/res/layout/item_attendance_summary_subject.xml
+++ b/app/src/main/res/layout/item_attendance_summary_subject.xml
@@ -3,7 +3,8 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/attendanceSummaryItemSubject"
     android:layout_width="match_parent"
-    android:layout_height="48dp"
+    android:layout_height="wrap_content"
+    android:minHeight="48dp"
     android:gravity="start"
     android:maxLines="1"
     android:paddingLeft="16dp"
diff --git a/app/src/main/res/layout/item_completed_lesson.xml b/app/src/main/res/layout/item_completed_lesson.xml
index 68c9ab957..e9944f56f 100644
--- a/app/src/main/res/layout/item_completed_lesson.xml
+++ b/app/src/main/res/layout/item_completed_lesson.xml
@@ -3,21 +3,20 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="@drawable/ic_all_divider"
-    android:foreground="?selectableItemBackground"
-    android:paddingStart="12dp"
-    android:paddingLeft="12dp"
-    android:paddingTop="7dp"
+    android:background="?selectableItemBackground"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
     android:paddingEnd="12dp"
-    android:paddingRight="12dp"
-    android:paddingBottom="7dp"
-    tools:context=".ui.modules.timetable.completed.CompletedLessonItem"
-    tools:ignore="UnusedAttribute">
+    android:paddingBottom="6dp"
+    tools:context=".ui.modules.timetable.completed.CompletedLessonsAdapter">
 
     <TextView
         android:id="@+id/completedLessonItemNumber"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
         android:layout_centerVertical="true"
         android:gravity="center"
         android:includeFontPadding="false"
@@ -31,14 +30,10 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentTop="true"
-        android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
+        android:layout_marginStart="8dp"
         android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
         android:layout_toStartOf="@id/completedLessonItemAlert"
-        android:layout_toLeftOf="@id/completedLessonItemAlert"
         android:layout_toEndOf="@+id/completedLessonItemNumber"
-        android:layout_toRightOf="@+id/completedLessonItemNumber"
         android:ellipsize="end"
         android:maxLines="1"
         android:textSize="17sp"
@@ -48,13 +43,10 @@
         android:id="@+id/completedLessonItemTopic"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_below="@+id/completedLessonItemSubject"
         android:layout_alignStart="@id/completedLessonItemSubject"
-        android:layout_alignLeft="@id/completedLessonItemSubject"
         android:layout_alignEnd="@+id/completedLessonItemAlert"
-        android:layout_alignRight="@+id/completedLessonItemAlert"
-        android:layout_alignBottom="@+id/completedLessonItemNumber"
         android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
         android:ellipsize="end"
         android:maxLines="1"
         android:textColor="?android:textColorSecondary"
@@ -66,9 +58,8 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginTop="10dp"
-        android:tint="?colorPrimary"
+        android:layout_centerVertical="true"
         app:srcCompat="@drawable/ic_timetable_swap"
+        app:tint="?colorTimetableChange"
         tools:ignore="contentDescription" />
 </RelativeLayout>
diff --git a/app/src/main/res/layout/item_conference.xml b/app/src/main/res/layout/item_conference.xml
new file mode 100644
index 000000000..4c881f344
--- /dev/null
+++ b/app/src/main/res/layout/item_conference.xml
@@ -0,0 +1,87 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/conference_item_container"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    tools:context=".ui.modules.conference.ConferenceAdapter">
+
+    <TextView
+        android:id="@+id/conferenceItemDate"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="15dp"
+        android:layout_marginTop="10dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="15sp"
+        app:layout_constraintRight_toLeftOf="@+id/conferenceItemName"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/date/ddmmyy" />
+
+    <TextView
+        android:id="@+id/conferenceItemName"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="10dp"
+        android:layout_marginEnd="15dp"
+        android:ellipsize="end"
+        android:gravity="end"
+        android:singleLine="true"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/conferenceItemDate"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/full_names" />
+
+    <TextView
+        android:id="@+id/conferenceItemTitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"
+        android:ellipsize="end"
+        android:maxLines="2"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="@id/conferenceItemName"
+        app:layout_constraintStart_toStartOf="@id/conferenceItemDate"
+        app:layout_constraintTop_toBottomOf="@id/conferenceItemDate"
+        app:layout_goneMarginEnd="0dp"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/conferenceItemSubject"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"
+        android:ellipsize="end"
+        android:maxLines="2"
+        android:textSize="16sp"
+        app:layout_constraintBottom_toTopOf="@id/conferenceItemContent"
+        app:layout_constraintEnd_toEndOf="@id/conferenceItemTitle"
+        app:layout_constraintStart_toStartOf="@id/conferenceItemTitle"
+        app:layout_constraintTop_toBottomOf="@id/conferenceItemTitle"
+        app:layout_goneMarginBottom="15dp"
+        app:layout_goneMarginEnd="0dp"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/conferenceItemContent"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="15dp"
+        android:ellipsize="end"
+        android:lineSpacingMultiplier="1.2"
+        android:maxLines="2"
+        android:textSize="14sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="@+id/conferenceItemName"
+        app:layout_constraintStart_toStartOf="@id/conferenceItemDate"
+        app:layout_constraintTop_toBottomOf="@id/conferenceItemSubject"
+        tools:text="@tools:sample/lorem/random"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_contributor.xml b/app/src/main/res/layout/item_contributor.xml
new file mode 100644
index 000000000..9b1263438
--- /dev/null
+++ b/app/src/main/res/layout/item_contributor.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:minHeight="56dp"
+    android:orientation="vertical"
+    tools:context=".ui.modules.about.contributor.ContributorAdapter">
+
+    <ImageView
+        android:id="@+id/creatorItemAvatar"
+        android:layout_width="40dp"
+        android:layout_height="40dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginBottom="8dp"
+        android:contentDescription="@string/contributor_avatar_description"
+        tools:src="@tools:sample/avatars" />
+
+    <TextView
+        android:id="@+id/creatorItemName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginStart="16dp"
+        android:layout_marginLeft="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginRight="16dp"
+        android:layout_toEndOf="@id/creatorItemAvatar"
+        android:gravity="bottom"
+        android:textSize="16sp"
+        tools:text="@tools:sample/lorem" />
+</RelativeLayout>
diff --git a/app/src/main/res/layout/item_exam.xml b/app/src/main/res/layout/item_exam.xml
index 459a7ecb3..bd1d47312 100644
--- a/app/src/main/res/layout/item_exam.xml
+++ b/app/src/main/res/layout/item_exam.xml
@@ -4,14 +4,13 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
-    tools:context=".ui.modules.exam.ExamItem">
+    tools:context=".ui.modules.exam.ExamAdapter">
 
     <TextView
         android:id="@+id/examItemSubject"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="20dp"
-        android:layout_marginLeft="20dp"
         android:layout_marginTop="10dp"
         android:textSize="15sp"
         tools:text="@tools:sample/lorem" />
@@ -22,7 +21,6 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/examItemSubject"
         android:layout_alignStart="@id/examItemSubject"
-        android:layout_alignLeft="@id/examItemSubject"
         android:layout_marginTop="5dp"
         android:layout_marginBottom="5dp"
         android:textSize="13sp"
@@ -34,15 +32,11 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/examItemSubject"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
         android:layout_marginTop="5dp"
         android:layout_marginEnd="20dp"
-        android:layout_marginRight="20dp"
         android:layout_marginBottom="10dp"
         android:layout_toEndOf="@id/examItemType"
-        android:layout_toRightOf="@id/examItemType"
         android:gravity="end"
         android:textSize="13sp"
         tools:text="@tools:sample/lorem" />
diff --git a/app/src/main/res/layout/item_grade_details.xml b/app/src/main/res/layout/item_grade_details.xml
index d6d99d9b8..2f3bd2de5 100644
--- a/app/src/main/res/layout/item_grade_details.xml
+++ b/app/src/main/res/layout/item_grade_details.xml
@@ -1,82 +1,102 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/grade_subitem_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="?selectableItemBackground"
-    android:paddingStart="12dp"
-    android:paddingLeft="12dp"
-    android:paddingTop="7dp"
-    android:paddingEnd="12dp"
-    android:paddingRight="12dp"
-    android:paddingBottom="7dp"
-    tools:context=".ui.modules.grade.details.GradeDetailsItem">
+    android:background="?android:windowBackground">
 
-    <TextView
-        android:id="@+id/gradeItemValue"
-        android:layout_width="45dp"
-        android:layout_height="40dp"
-        android:layout_centerVertical="true"
-        android:background="@color/grade_material_default"
-        android:gravity="center"
-        android:maxLength="5"
-        android:textColor="@android:color/white"
-        android:textSize="16sp"
-        tools:text="6" />
-
-    <TextView
-        android:id="@+id/gradeItemDescription"
-        android:layout_width="wrap_content"
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/gradeSubItemContainer"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginEnd="20dp"
-        android:layout_marginRight="20dp"
-        android:layout_toStartOf="@id/gradeItemNote"
-        android:layout_toLeftOf="@id/gradeItemNote"
-        android:layout_toEndOf="@+id/gradeItemValue"
-        android:layout_toRightOf="@+id/gradeItemValue"
-        android:ellipsize="end"
-        android:maxLines="1"
-        android:textSize="14sp"
-        tools:text="@tools:sample/lorem" />
+        android:background="?selectableItemBackground"
+        android:paddingStart="12dp"
+        android:paddingTop="7dp"
+        android:paddingEnd="12dp"
+        android:paddingBottom="7dp"
+        tools:context=".ui.modules.grade.details.GradeDetailsAdapter">
 
-    <TextView
-        android:id="@+id/gradeItemDate"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignStart="@+id/gradeItemDescription"
-        android:layout_alignLeft="@+id/gradeItemDescription"
-        android:layout_alignBottom="@+id/gradeItemValue"
-        android:textSize="12sp"
-        tools:text="@tools:sample/lorem" />
+        <TextView
+            android:id="@+id/gradeItemValue"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:background="@color/grade_material_default"
+            android:gravity="center"
+            android:maxLength="5"
+            android:minWidth="45dp"
+            android:minHeight="40dp"
+            android:textColor="@android:color/white"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+            app:layout_constraintEnd_toStartOf="@+id/gradeDetailsContainer"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@+id/gradeDetailsContainer"
+            tools:text="6" />
 
-    <TextView
-        android:id="@+id/gradeItemWeight"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBottom="@+id/gradeItemValue"
-        android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginEnd="20dp"
-        android:layout_marginRight="20dp"
-        android:layout_toStartOf="@id/gradeItemNote"
-        android:layout_toLeftOf="@id/gradeItemNote"
-        android:layout_toEndOf="@+id/gradeItemDate"
-        android:layout_toRightOf="@+id/gradeItemDate"
-        android:textSize="12sp"
-        tools:text="@tools:sample/lorem" />
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/gradeDetailsContainer"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/gradeItemNote"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/gradeItemValue"
+            app:layout_constraintTop_toTopOf="parent">
 
-    <ImageView
-        android:id="@+id/gradeItemNote"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginTop="10dp"
-        app:srcCompat="@drawable/ic_all_round_mark"
-        app:tint="?colorPrimary"
-        tools:ignore="contentDescription" />
-</RelativeLayout>
+            <TextView
+                android:id="@+id/gradeItemDescription"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="20dp"
+                android:ellipsize="end"
+                android:maxLines="1"
+                android:textSize="14sp"
+                app:layout_constraintEnd_toEndOf="@id/gradeDetailsContainer"
+                app:layout_constraintStart_toStartOf="@id/gradeDetailsContainer"
+                app:layout_constraintTop_toTopOf="parent"
+                tools:text="@tools:sample/lorem" />
+
+            <TextView
+                android:id="@+id/gradeItemDate"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:maxLines="1"
+                android:textSize="12sp"
+                app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+                app:layout_constraintStart_toStartOf="@+id/gradeItemDescription"
+                app:layout_constraintTop_toBottomOf="@+id/gradeItemDescription"
+                tools:text="@tools:sample/date/ddmmyy" />
+
+            <TextView
+                android:id="@+id/gradeItemWeight"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:layout_marginEnd="20dp"
+                android:maxLines="1"
+                android:textSize="12sp"
+                app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+                app:layout_constraintEnd_toEndOf="@id/gradeDetailsContainer"
+                app:layout_constraintStart_toEndOf="@+id/gradeItemDate"
+                app:layout_constraintTop_toBottomOf="@+id/gradeItemDescription"
+                tools:text="@tools:sample/lorem" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <ImageView
+            android:id="@+id/gradeItemNote"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="@+id/gradeDetailsContainer"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toEndOf="@+id/gradeDetailsContainer"
+            app:layout_constraintTop_toTopOf="@+id/gradeDetailsContainer"
+            app:srcCompat="@drawable/ic_all_round_mark"
+            app:tint="?colorPrimary"
+            tools:ignore="contentDescription" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_grade_statistics_bar.xml b/app/src/main/res/layout/item_grade_statistics_bar.xml
new file mode 100644
index 000000000..4557412f5
--- /dev/null
+++ b/app/src/main/res/layout/item_grade_statistics_bar.xml
@@ -0,0 +1,27 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/gradeStatisticsBarTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?colorControlHighlight"
+        android:paddingLeft="20dp"
+        android:paddingTop="10dp"
+        android:paddingRight="20dp"
+        android:paddingBottom="10dp"
+        android:textSize="18sp"
+        tools:text="Matematyka" />
+
+    <com.github.mikephil.charting.charts.BarChart
+        android:id="@+id/gradeStatisticsBar"
+        android:layout_width="match_parent"
+        android:layout_height="400dp"
+        android:layout_margin="10dp"
+        android:background="?android:windowBackground"
+        tools:context=".ui.modules.grade.statistics.GradeStatisticsAdapter" />
+
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_grade_statistics_header.xml b/app/src/main/res/layout/item_grade_statistics_header.xml
new file mode 100644
index 000000000..92f522ba4
--- /dev/null
+++ b/app/src/main/res/layout/item_grade_statistics_header.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <HorizontalScrollView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <RadioGroup
+            android:id="@+id/gradeStatisticsTypeSwitch"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:paddingStart="16dp"
+            android:paddingTop="5dp"
+            android:paddingEnd="16dp">
+
+            <com.google.android.material.radiobutton.MaterialRadioButton
+                android:id="@+id/gradeStatisticsTypePartial"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:checked="true"
+                android:tag="partial"
+                android:text="@string/grade_statistics_partial" />
+
+            <com.google.android.material.radiobutton.MaterialRadioButton
+                android:id="@+id/gradeStatisticsTypeSemester"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:tag="annual"
+                android:text="@string/grade_statistics_semester" />
+
+            <com.google.android.material.radiobutton.MaterialRadioButton
+                android:id="@+id/gradeStatisticsTypePoints"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:tag="points"
+                android:text="@string/grade_statistics_points" />
+        </RadioGroup>
+    </HorizontalScrollView>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_grade_statistics_pie.xml b/app/src/main/res/layout/item_grade_statistics_pie.xml
new file mode 100644
index 000000000..2ea91ecf9
--- /dev/null
+++ b/app/src/main/res/layout/item_grade_statistics_pie.xml
@@ -0,0 +1,26 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/gradeStatisticsPieTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?colorControlHighlight"
+        android:paddingLeft="20dp"
+        android:paddingTop="10dp"
+        android:paddingRight="20dp"
+        android:paddingBottom="10dp"
+        android:textSize="18sp"
+        tools:text="Matematyka" />
+
+    <com.github.mikephil.charting.charts.PieChart
+        android:id="@+id/gradeStatisticsPie"
+        android:layout_width="match_parent"
+        android:layout_height="400dp"
+        android:layout_margin="10dp"
+        android:background="?android:windowBackground"
+        tools:context=".ui.modules.grade.statistics.GradeStatisticsAdapter" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_grade_summary.xml b/app/src/main/res/layout/item_grade_summary.xml
index a3a49ab62..85a78571e 100644
--- a/app/src/main/res/layout/item_grade_summary.xml
+++ b/app/src/main/res/layout/item_grade_summary.xml
@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    tools:context=".ui.modules.grade.summary.GradeSummaryItem">
+    tools:context=".ui.modules.grade.summary.GradeSummaryAdapter">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -21,7 +21,6 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginEnd="40dp"
-            android:layout_marginRight="40dp"
             android:layout_weight="1"
             android:textSize="17sp"
             tools:text="@tools:sample/lorem" />
@@ -48,7 +47,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/grade_summary_points"
             android:textSize="14sp" />
@@ -59,9 +57,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="123/150" />
@@ -79,7 +75,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/grade_summary_predicted_grade"
             android:textSize="14sp" />
@@ -90,9 +85,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="5" />
@@ -110,7 +103,6 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="20dp"
-            android:layout_marginLeft="20dp"
             android:layout_weight="1"
             android:text="@string/grade_summary_final_grade"
             android:textSize="14sp" />
@@ -121,9 +113,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:layout_marginEnd="25dp"
-            android:layout_marginRight="25dp"
             android:gravity="end"
             android:textSize="12sp"
             tools:text="5" />
diff --git a/app/src/main/res/layout/item_homework.xml b/app/src/main/res/layout/item_homework.xml
index 5d03ed583..89c3c6885 100644
--- a/app/src/main/res/layout/item_homework.xml
+++ b/app/src/main/res/layout/item_homework.xml
@@ -1,50 +1,83 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/homework_subitem_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
-    tools:context=".ui.modules.homework.HomeworkItem">
+    tools:context=".ui.modules.homework.HomeworkAdapter">
 
     <TextView
         android:id="@+id/homeworkItemSubject"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
         android:layout_marginTop="10dp"
         android:layout_marginBottom="5dp"
-        android:textSize="17sp"
-        tools:text="@tools:sample/lorem" />
+        android:ellipsize="end"
+        android:singleLine="true"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toStartOf="@+id/homeworkItemTeacher"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/lorem/random" />
 
     <TextView
         android:id="@+id/homeworkItemTeacher"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
         android:layout_marginTop="10dp"
         android:layout_marginEnd="15dp"
-        android:layout_marginRight="15dp"
-        android:layout_toEndOf="@id/homeworkItemSubject"
-        android:layout_toRightOf="@id/homeworkItemSubject"
+        android:ellipsize="end"
         android:gravity="end"
+        android:maxWidth="200dp"
+        android:minWidth="80dp"
+        android:singleLine="true"
         android:textSize="13sp"
-        tools:text="@tools:sample/lorem" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/homeworkItemSubject"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/full_names" />
 
     <TextView
         android:id="@+id/homeworkItemContent"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_below="@id/homeworkItemSubject"
-        android:layout_alignStart="@id/homeworkItemSubject"
-        android:layout_alignLeft="@id/homeworkItemSubject"
-        android:layout_marginEnd="15dp"
-        android:layout_marginRight="15dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginEnd="50dp"
         android:layout_marginBottom="15dp"
+        android:ellipsize="end"
         android:lineSpacingMultiplier="1.2"
+        android:maxLines="2"
         android:textSize="14sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@id/homeworkItemSubject"
+        app:layout_constraintTop_toBottomOf="@id/homeworkItemSubject"
         tools:text="@tools:sample/lorem/random" />
-</RelativeLayout>
+
+    <ImageView
+        android:id="@+id/homeworkItemCheckImage"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="@id/homeworkItemTeacher"
+        app:layout_constraintTop_toBottomOf="@id/homeworkItemTeacher"
+        app:srcCompat="@drawable/ic_check"
+        app:tint="?android:textColorSecondary"
+        tools:ignore="ContentDescription"
+        tools:visibility="gone" />
+
+    <ImageView
+        android:id="@+id/homeworkItemAttachmentImage"
+        android:layout_width="32dp"
+        android:layout_height="32dp"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="@id/homeworkItemTeacher"
+        app:layout_constraintTop_toBottomOf="@id/homeworkItemTeacher"
+        app:srcCompat="@drawable/ic_attachment"
+        app:tint="?android:textColorSecondary"
+        tools:ignore="ContentDescription"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_homework_dialog_attachment.xml b/app/src/main/res/layout/item_homework_dialog_attachment.xml
new file mode 100644
index 000000000..ec0b37f2f
--- /dev/null
+++ b/app/src/main/res/layout/item_homework_dialog_attachment.xml
@@ -0,0 +1,21 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:paddingStart="20dp"
+    android:paddingTop="3dp"
+    android:paddingEnd="10dp"
+    android:paddingBottom="3dp">
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/homeworkDialogAttachment"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:drawablePadding="10dp"
+        android:textSize="12sp"
+        app:drawableStartCompat="@drawable/ic_attachment"
+        app:drawableTint="?colorOnBackground"
+        tools:text="@tools:sample/lorem" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_homework_dialog_attachments_header.xml b/app/src/main/res/layout/item_homework_dialog_attachments_header.xml
new file mode 100644
index 000000000..383cbeaf7
--- /dev/null
+++ b/app/src/main/res/layout/item_homework_dialog_attachments_header.xml
@@ -0,0 +1,14 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="20dp"
+    android:paddingEnd="20dp">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:layout_marginBottom="3dp"
+        android:text="@string/homework_attachments"
+        android:textSize="17sp" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_homework_dialog_details.xml b/app/src/main/res/layout/item_homework_dialog_details.xml
new file mode 100644
index 000000000..3b5705bf8
--- /dev/null
+++ b/app/src/main/res/layout/item_homework_dialog_details.xml
@@ -0,0 +1,124 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingStart="20dp"
+    android:paddingTop="20dp"
+    android:paddingEnd="20dp">
+
+    <ImageButton
+        android:id="@+id/homework_dialog_full_screen"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="end"
+        android:background="?selectableItemBackgroundBorderless"
+        android:padding="5dp"
+        app:srcCompat="@drawable/ic_fullscreen"
+        app:tint="?colorOnBackground"
+        tools:ignore="ContentDescription" />
+
+    <ImageButton
+        android:id="@+id/homework_dialog_full_screen_exit"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="end"
+        android:background="?selectableItemBackgroundBorderless"
+        android:padding="5dp"
+        android:visibility="gone"
+        app:srcCompat="@drawable/ic_fullscreen_exit"
+        app:tint="?colorOnBackground"
+        tools:ignore="ContentDescription" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="20dp"
+        android:text="@string/all_details"
+        android:textSize="20sp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/all_subject"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkDialogSubject"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="3dp"
+        android:text="@string/all_no_data"
+        android:textIsSelectable="true"
+        android:textSize="12sp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:text="@string/all_teacher"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkDialogTeacher"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="3dp"
+        android:text="@string/all_no_data"
+        android:textIsSelectable="true"
+        android:textSize="12sp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:text="@string/all_date"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkDialogDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="3dp"
+        android:text="@string/all_no_data"
+        android:textIsSelectable="true"
+        android:textSize="12sp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:text="@string/all_entry_date"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkDialogEntryDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="3dp"
+        android:text="@string/all_no_data"
+        android:textIsSelectable="true"
+        android:textSize="12sp" />
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:text="@string/all_content"
+        android:textSize="17sp" />
+
+    <TextView
+        android:id="@+id/homeworkDialogContent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="3dp"
+        android:layout_marginBottom="10dp"
+        android:autoLink="web"
+        android:lineSpacingMultiplier="1.2"
+        android:text="@string/all_no_data"
+        android:textIsSelectable="true"
+        android:textSize="12sp"
+        tools:text="@tools:sample/lorem/random" />
+
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_license.xml b/app/src/main/res/layout/item_license.xml
index 6a864433a..cb55ab87a 100644
--- a/app/src/main/res/layout/item_license.xml
+++ b/app/src/main/res/layout/item_license.xml
@@ -2,26 +2,32 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="64dp"
+    android:layout_height="wrap_content"
+    android:minHeight="64dp"
     android:background="?selectableItemBackground"
     android:orientation="vertical"
     android:paddingStart="16dp"
     android:paddingLeft="16dp"
     android:paddingEnd="16dp"
-    android:paddingRight="16dp">
+    android:paddingRight="16dp"
+    tools:context=".ui.modules.about.license.LicenseAdapter">
 
     <TextView
         android:id="@+id/licenseItemName"
         android:layout_width="match_parent"
-        android:layout_height="28dp"
+        android:layout_height="wrap_content"
+        android:minHeight="28dp"
+        android:ellipsize="end"
         android:gravity="bottom"
+        android:singleLine="true"
         android:textSize="16sp"
-        tools:text="@tools:sample/lorem" />
+        tools:text="@tools:sample/lorem/random" />
 
     <TextView
         android:id="@+id/licenseItemSummary"
         android:layout_width="match_parent"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
         android:gravity="bottom"
         android:textColor="?android:textColorSecondary"
         android:textSize="14sp"
diff --git a/app/src/main/res/layout/item_login_student_select.xml b/app/src/main/res/layout/item_login_student_select.xml
index 254bff60f..1003636fc 100644
--- a/app/src/main/res/layout/item_login_student_select.xml
+++ b/app/src/main/res/layout/item_login_student_select.xml
@@ -2,29 +2,29 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/loginItemContainer"
     android:layout_width="match_parent"
-    android:layout_height="72dp"
-    android:background="?selectableItemBackground">
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:minHeight="72dp"
+    android:paddingTop="8dp"
+    android:paddingBottom="8dp"
+    tools:context=".ui.modules.login.studentselect.LoginStudentSelectAdapter">
 
     <com.google.android.material.checkbox.MaterialCheckBox
         android:id="@+id/loginItemCheck"
         android:layout_width="32dp"
         android:layout_height="24dp"
+        android:layout_centerVertical="true"
         android:layout_marginStart="12dp"
-        android:layout_marginLeft="12dp"
-        android:layout_marginTop="24dp"
         android:layout_marginEnd="28dp"
-        android:layout_marginRight="28dp"
         android:background="@android:color/transparent"
         tools:text=" " />
 
     <TextView
         android:id="@+id/loginItemName"
         android:layout_width="wrap_content"
-        android:layout_height="32dp"
+        android:layout_height="wrap_content"
         android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
         android:layout_toEndOf="@id/loginItemCheck"
-        android:layout_toRightOf="@id/loginItemCheck"
         android:ellipsize="end"
         android:gravity="bottom"
         android:maxLines="1"
@@ -34,16 +34,32 @@
     <TextView
         android:id="@+id/loginItemSchool"
         android:layout_width="wrap_content"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
         android:layout_below="@id/loginItemName"
         android:layout_marginEnd="16dp"
-        android:layout_marginRight="16dp"
         android:layout_toEndOf="@id/loginItemCheck"
-        android:layout_toRightOf="@id/loginItemCheck"
         android:ellipsize="end"
         android:gravity="bottom"
-        android:maxLines="1"
+        android:maxLines="2"
         android:textColor="?android:textColorSecondary"
         android:textSize="14sp"
         tools:text="@tools:sample/lorem/random" />
+
+    <TextView
+        android:id="@+id/loginItemSignedIn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
+        android:layout_below="@id/loginItemSchool"
+        android:layout_marginEnd="16dp"
+        android:layout_toEndOf="@id/loginItemCheck"
+        android:ellipsize="end"
+        android:enabled="false"
+        android:gravity="bottom"
+        android:maxLines="1"
+        android:text="@string/login_signed_in"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="14sp"
+        android:visibility="gone"
+        tools:visibility="visible" />
 </RelativeLayout>
diff --git a/app/src/main/res/layout/item_lucky_number_history.xml b/app/src/main/res/layout/item_lucky_number_history.xml
new file mode 100644
index 000000000..79a0fcb29
--- /dev/null
+++ b/app/src/main/res/layout/item_lucky_number_history.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="15dp"
+    android:paddingTop="8dp"
+    android:paddingEnd="15dp"
+    android:paddingBottom="8dp"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <TextView
+        android:id="@+id/luckyNumberHistoryWeekName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="16sp"
+        tools:text="Monday" />
+
+    <TextView
+        android:id="@+id/luckyNumberHistoryDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/luckyNumberHistoryWeekName"
+        android:textColor="?android:textColorSecondary"
+        android:layout_marginTop="5dp"
+        android:layout_marginBottom="5dp"
+        android:textSize="16sp"
+        tools:text="05.03" />
+
+    <TextView
+        android:id="@+id/luckyNumberHistory"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_toEndOf="@id/luckyNumberHistoryWeekName"
+        android:padding="4dp"
+        android:gravity="end"
+        android:includeFontPadding="false"
+        android:layout_marginStart="10dp"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="35sp"
+        tools:text="5" />
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_message.xml b/app/src/main/res/layout/item_message.xml
index ad914130a..111de88c9 100644
--- a/app/src/main/res/layout/item_message.xml
+++ b/app/src/main/res/layout/item_message.xml
@@ -1,5 +1,7 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/relativeLayout"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
@@ -7,45 +9,56 @@
     android:paddingTop="10dp"
     android:paddingRight="16dp"
     android:paddingBottom="10dp"
-    tools:context=".ui.modules.message.MessageItem">
+    tools:context=".ui.modules.message.tab.MessageTabAdapter">
 
     <TextView
         android:id="@+id/messageItemAuthor"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
+        android:layout_marginEnd="10dp"
         android:ellipsize="end"
-        android:maxLines="1"
+        android:singleLine="true"
         android:textSize="15sp"
-        tools:text="@tools:sample/full_names" />
+        app:layout_constraintEnd_toStartOf="@+id/messageItemDate"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/lorem/random" />
 
     <TextView
         android:id="@+id/messageItemDate"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_toEndOf="@id/messageItemAuthor"
-        android:layout_toRightOf="@id/messageItemAuthor"
         android:gravity="end"
         android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="@tools:sample/date/ddmmyy" />
 
     <TextView
         android:id="@+id/messageItemSubject"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_below="@+id/messageItemAuthor"
-        android:layout_alignStart="@id/messageItemAuthor"
-        android:layout_alignLeft="@id/messageItemAuthor"
         android:layout_marginTop="5dp"
+        android:layout_marginEnd="10dp"
         android:ellipsize="end"
-        android:maxLines="1"
+        android:singleLine="true"
         android:textColor="?android:textColorSecondary"
         android:textSize="12sp"
+        app:layout_constraintEnd_toStartOf="@id/messageItemAttachmentIcon"
+        app:layout_constraintStart_toStartOf="@id/messageItemAuthor"
+        app:layout_constraintTop_toBottomOf="@+id/messageItemAuthor"
+        app:layout_goneMarginEnd="0dp"
         tools:text="@tools:sample/lorem/random" />
-</RelativeLayout>
+
+    <ImageView
+        android:id="@+id/messageItemAttachmentIcon"
+        android:layout_width="16dp"
+        android:layout_height="16dp"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/messageItemSubject"
+        app:layout_constraintEnd_toEndOf="@id/messageItemDate"
+        app:srcCompat="@drawable/ic_attachment"
+        app:tint="?colorOnBackground"
+        tools:ignore="ContentDescription"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_message_attachment.xml b/app/src/main/res/layout/item_message_attachment.xml
new file mode 100644
index 000000000..fa30e9af2
--- /dev/null
+++ b/app/src/main/res/layout/item_message_attachment.xml
@@ -0,0 +1,22 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:paddingStart="16dp"
+    android:paddingTop="10dp"
+    android:paddingEnd="16dp"
+    android:paddingBottom="10dp">
+
+    <androidx.appcompat.widget.AppCompatTextView
+        android:id="@+id/messagePreviewAttachment"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:drawablePadding="10dp"
+        android:visibility="gone"
+        app:drawableStartCompat="@drawable/ic_attachment"
+        app:drawableTint="?colorOnBackground"
+        tools:text="@tools:sample/lorem"
+        tools:visibility="visible" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_message_divider.xml b/app/src/main/res/layout/item_message_divider.xml
new file mode 100644
index 000000000..2f4ad3e67
--- /dev/null
+++ b/app/src/main/res/layout/item_message_divider.xml
@@ -0,0 +1,6 @@
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="2dp"
+    android:layout_marginTop="20dp"
+    android:layout_marginBottom="10dp"
+    android:background="?android:attr/listDivider" />
diff --git a/app/src/main/res/layout/item_message_preview.xml b/app/src/main/res/layout/item_message_preview.xml
new file mode 100644
index 000000000..83a4406bb
--- /dev/null
+++ b/app/src/main/res/layout/item_message_preview.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/messagePreviewContentContainer"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/messagePreviewSubject"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:lineSpacingMultiplier="1.2"
+        android:textSize="22sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/messagePreviewFromLabel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="15dp"
+        android:text="@string/message_from"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/messagePreviewSubject" />
+
+    <TextView
+        android:id="@+id/messagePreviewFromSender"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/messagePreviewFromLabel"
+        app:layout_constraintTop_toTopOf="@id/messagePreviewFromLabel"
+        tools:text="@tools:sample/full_names[0]" />
+
+    <TextView
+        android:id="@+id/messagePreviewToLabel"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:text="@string/message_to"
+        android:textColor="?android:textColorSecondary"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/messagePreviewFromLabel" />
+
+    <TextView
+        android:id="@+id/messagePreviewToRecipient"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/messagePreviewToLabel"
+        app:layout_constraintTop_toTopOf="@id/messagePreviewToLabel"
+        tools:text="@tools:sample/full_names[1]" />
+
+    <TextView
+        android:id="@+id/messagePreviewDate"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="4dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="15sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/messagePreviewToLabel"
+        tools:text="@tools:sample/date/ddmmyy" />
+
+    <TextView
+        android:id="@+id/messagePreviewContent"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="15dp"
+        android:autoLink="web"
+        android:lineSpacingMultiplier="1.2"
+        android:textIsSelectable="true"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/messagePreviewDate"
+        tools:text="@tools:sample/lorem/random" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_mobile_device.xml b/app/src/main/res/layout/item_mobile_device.xml
index 95159d9bd..f49c62f38 100644
--- a/app/src/main/res/layout/item_mobile_device.xml
+++ b/app/src/main/res/layout/item_mobile_device.xml
@@ -3,32 +3,33 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/mobileDevice_subitem_container"
     android:layout_width="match_parent"
-    android:layout_height="64dp"
-    tools:context=".ui.modules.mobiledevice.MobileDeviceItem">
+    android:layout_height="wrap_content"
+    android:minHeight="64dp"
+    tools:context=".ui.modules.mobiledevice.MobileDeviceAdapter">
 
     <TextView
         android:id="@+id/mobileDeviceItemName"
         android:layout_width="match_parent"
-        android:layout_height="32dp"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
         android:layout_marginStart="16dp"
-        android:layout_marginLeft="16dp"
+        android:layout_marginTop="0dp"
         android:layout_toStartOf="@id/mobileDeviceItemUnregister"
-        android:layout_toLeftOf="@id/mobileDeviceItemUnregister"
         android:ellipsize="end"
         android:gravity="bottom"
         android:maxLines="1"
+        android:minHeight="32dp"
         android:textSize="16sp"
         tools:text="@tools:sample/lorem/random" />
 
     <TextView
         android:id="@+id/mobileDeviceItemDate"
         android:layout_width="match_parent"
-        android:layout_height="20dp"
+        android:layout_height="wrap_content"
+        android:minHeight="20dp"
         android:layout_below="@id/mobileDeviceItemName"
         android:layout_marginStart="16dp"
-        android:layout_marginLeft="16dp"
         android:layout_toStartOf="@id/mobileDeviceItemUnregister"
-        android:layout_toLeftOf="@id/mobileDeviceItemUnregister"
         android:gravity="bottom"
         android:textColor="?android:textColorSecondary"
         android:textSize="14sp"
@@ -39,7 +40,6 @@
         android:layout_width="48dp"
         android:layout_height="48dp"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:layout_centerVertical="true"
         android:layout_marginStart="4dp"
         android:layout_marginLeft="4dp"
diff --git a/app/src/main/res/layout/item_more.xml b/app/src/main/res/layout/item_more.xml
index 6a941b96d..c9063ccfe 100644
--- a/app/src/main/res/layout/item_more.xml
+++ b/app/src/main/res/layout/item_more.xml
@@ -10,7 +10,7 @@
     android:paddingTop="8dp"
     android:paddingRight="16dp"
     android:paddingBottom="8dp"
-    tools:context=".ui.modules.more.MoreItem">
+    tools:context=".ui.modules.more.MoreAdapter">
 
     <ImageView
         android:id="@+id/moreItemImage"
@@ -27,7 +27,6 @@
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
         android:layout_marginStart="32dp"
-        android:layout_marginLeft="32dp"
         android:textSize="16sp"
         tools:text="@tools:sample/lorem" />
 </LinearLayout>
diff --git a/app/src/main/res/layout/item_note.xml b/app/src/main/res/layout/item_note.xml
index a5d3e3623..660f32e00 100644
--- a/app/src/main/res/layout/item_note.xml
+++ b/app/src/main/res/layout/item_note.xml
@@ -1,61 +1,84 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/note_subitem_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
-    tools:context=".ui.modules.note.NoteItem">
+    tools:context=".ui.modules.note.NoteAdapter">
 
     <TextView
         android:id="@+id/noteItemDate"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
         android:layout_marginTop="10dp"
+        android:textColor="?android:textColorSecondary"
         android:textSize="15sp"
+        app:layout_constraintRight_toLeftOf="@+id/noteItemTeacher"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="@tools:sample/date/ddmmyy" />
 
     <TextView
         android:id="@+id/noteItemTeacher"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
         android:layout_marginTop="10dp"
         android:layout_marginEnd="15dp"
-        android:layout_marginRight="15dp"
-        android:layout_toEndOf="@id/noteItemDate"
-        android:layout_toRightOf="@id/noteItemDate"
+        android:ellipsize="end"
         android:gravity="end"
+        android:singleLine="true"
         android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/noteItemDate"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="@tools:sample/full_names" />
 
     <TextView
         android:id="@+id/noteItemType"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_below="@id/noteItemDate"
-        android:layout_alignStart="@id/noteItemDate"
-        android:layout_alignLeft="@id/noteItemDate"
         android:layout_marginTop="5dp"
+        android:layout_marginEnd="10dp"
         android:layout_marginBottom="5dp"
-        android:textSize="13sp"
+        android:ellipsize="end"
+        android:maxLines="2"
+        android:textSize="16sp"
+        app:layout_constraintLeft_toLeftOf="@id/noteItemDate"
+        app:layout_constraintRight_toLeftOf="@id/noteItemPoints"
+        app:layout_constraintTop_toBottomOf="@id/noteItemDate"
+        app:layout_goneMarginEnd="0dp"
         tools:text="@tools:sample/lorem" />
 
     <TextView
-        android:id="@+id/noteItemContent"
-        android:layout_width="wrap_content"
+        android:id="@+id/noteItemPoints"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_below="@id/noteItemType"
-        android:layout_alignStart="@id/noteItemDate"
-        android:layout_alignLeft="@id/noteItemDate"
-        android:layout_marginEnd="15dp"
-        android:layout_marginRight="15dp"
+        android:layout_marginTop="8dp"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        android:visibility="gone"
+        app:layout_constraintRight_toRightOf="@id/noteItemTeacher"
+        app:layout_constraintTop_toBottomOf="@id/noteItemTeacher"
+        tools:text="-5"
+        tools:textColor="@color/note_positive"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/noteItemContent"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="5dp"
         android:layout_marginBottom="15dp"
+        android:ellipsize="end"
         android:lineSpacingMultiplier="1.2"
+        android:maxLines="2"
         android:textSize="14sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="@id/noteItemDate"
+        app:layout_constraintRight_toRightOf="@+id/noteItemTeacher"
+        app:layout_constraintTop_toBottomOf="@id/noteItemType"
         tools:text="@tools:sample/lorem/random" />
-</RelativeLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_student_info.xml b/app/src/main/res/layout/item_student_info.xml
new file mode 100644
index 000000000..203ce86b2
--- /dev/null
+++ b/app/src/main/res/layout/item_student_info.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="64dp"
+    android:background="?selectableItemBackground"
+    android:clickable="true"
+    android:focusable="true">
+
+    <TextView
+        android:id="@+id/student_info_item_title"
+        android:layout_width="match_parent"
+        android:layout_height="28dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginEnd="16dp"
+        android:gravity="bottom"
+        android:maxLines="1"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="16sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/lorem/random" />
+
+    <TextView
+        android:id="@+id/student_info_item_subtitle"
+        android:layout_width="match_parent"
+        android:layout_height="18dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginEnd="16dp"
+        android:gravity="bottom"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="12sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/student_info_item_title"
+        tools:text="@tools:sample/lorem/random" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_teacher.xml b/app/src/main/res/layout/item_teacher.xml
new file mode 100644
index 000000000..a30eb560b
--- /dev/null
+++ b/app/src/main/res/layout/item_teacher.xml
@@ -0,0 +1,48 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:paddingStart="12dp"
+    android:paddingLeft="12dp"
+    android:paddingTop="7dp"
+    android:paddingEnd="12dp"
+    android:paddingRight="12dp"
+    android:paddingBottom="7dp"
+    tools:context=".ui.modules.schoolandteachers.teacher.TeacherAdapter">
+
+    <TextView
+        android:id="@+id/teacherItemName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_marginStart="10dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textSize="17sp"
+        tools:text="@tools:sample/full_names" />
+
+    <TextView
+        android:id="@+id/teacherItemShortName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:layout_marginEnd="40dp"
+        android:layout_toEndOf="@+id/teacherItemName"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="17sp"
+        tools:text="[LI]" />
+
+    <TextView
+        android:id="@+id/teacherItemSubject"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/teacherItemName"
+        android:layout_alignStart="@id/teacherItemName"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="12sp"
+        tools:text="11:11-12:00" />
+
+</RelativeLayout>
diff --git a/app/src/main/res/layout/item_timetable.xml b/app/src/main/res/layout/item_timetable.xml
index 0072524a1..7a90d5e74 100644
--- a/app/src/main/res/layout/item_timetable.xml
+++ b/app/src/main/res/layout/item_timetable.xml
@@ -1,82 +1,174 @@
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/relativeLayout2"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="?selectableItemBackground"
-    android:paddingStart="12dp"
-    android:paddingLeft="12dp"
-    android:paddingTop="7dp"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
     android:paddingEnd="12dp"
-    android:paddingRight="12dp"
-    android:paddingBottom="7dp"
-    tools:context=".ui.modules.timetable.TimetableItem">
+    android:paddingBottom="6dp"
+    tools:context=".ui.modules.timetable.TimetableAdapter">
 
     <TextView
         android:id="@+id/timetableItemNumber"
-        android:layout_width="40dp"
-        android:layout_height="40dp"
-        android:layout_centerVertical="true"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
         android:gravity="center"
         android:includeFontPadding="false"
         android:maxLength="2"
+        android:textColor="?android:textColorPrimary"
         android:textSize="32sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="5" />
 
     <TextView
         android:id="@+id/timetableItemSubject"
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
-        android:layout_toEndOf="@+id/timetableItemNumber"
-        android:layout_toRightOf="@+id/timetableItemNumber"
+        android:layout_marginEnd="16dp"
         android:ellipsize="end"
         android:maxLines="1"
-        android:textSize="17sp"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toStartOf="@id/timetableItemTimeBarrier"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemTimeStart"
+        app:layout_constraintTop_toTopOf="parent"
         tools:text="@tools:sample/lorem" />
 
     <TextView
-        android:id="@+id/timetableItemTime"
+        android:id="@+id/timetableItemTimeStart"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignStart="@id/timetableItemSubject"
-        android:layout_alignLeft="@id/timetableItemSubject"
-        android:layout_alignBottom="@+id/timetableItemNumber"
+        android:layout_marginStart="8dp"
         android:maxLines="1"
         android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="11:11-12:00" />
+        android:textSize="13sp"
+        app:layout_constraintStart_toEndOf="@id/timetableItemNumber"
+        app:layout_constraintTop_toTopOf="@id/timetableItemNumber"
+        tools:text="11:11" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeFinish"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintBottom_toBottomOf="@+id/timetableItemNumber"
+        app:layout_constraintStart_toEndOf="@id/timetableItemNumber"
+        tools:text="12:00" />
 
     <TextView
         android:id="@+id/timetableItemRoom"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignBottom="@+id/timetableItemNumber"
         android:layout_marginStart="10dp"
-        android:layout_marginLeft="10dp"
-        android:layout_marginEnd="40dp"
-        android:layout_marginRight="40dp"
-        android:layout_toStartOf="@id/timetableItemAlert"
-        android:layout_toLeftOf="@id/timetableItemAlert"
-        android:layout_toEndOf="@+id/timetableItemTime"
-        android:layout_toRightOf="@+id/timetableItemTime"
         android:maxLines="1"
         android:textColor="?android:textColorSecondary"
-        android:textSize="12sp"
-        tools:text="Room 22" />
+        android:textSize="13sp"
+        app:layout_constraintBottom_toBottomOf="@+id/timetableItemNumber"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemTimeStart"
+        tools:text="22"
+        tools:visibility="visible" />
 
-    <ImageView
-        android:id="@+id/timetableItemAlert"
+    <TextView
+        android:id="@+id/timetableItemGroup"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="0dp"
+        android:layout_marginEnd="5dp"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toStartOf="@+id/timetableItemTeacher"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemRoom"
+        app:layout_constraintTop_toTopOf="@+id/timetableItemTimeFinish"
+        tools:text="(2/2)"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/timetableItemTeacher"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="16dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintBottom_toBottomOf="@+id/timetableItemNumber"
+        app:layout_constraintStart_toEndOf="@id/timetableItemGroup"
+        tools:text="Agata Kowalska - Błaszczyk"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/timetableItemDescription"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="0dp"
+        android:layout_marginEnd="16dp"
+        android:textColor="?colorTimetableChange"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemTeacher"
+        app:layout_constraintTop_toTopOf="@+id/timetableItemTimeFinish"
+        tools:text="Lekcja odwołana: uczniowie zwolnieni do domu"
+        tools:visibility="visible" />
+
+    <androidx.constraintlayout.widget.Barrier
+        android:id="@+id/timetableItemTimeBarrier"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:barrierDirection="start"
+        app:constraint_referenced_ids="timetableItemTimeUntil,timetableItemTimeLeft" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeUntil"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:ellipsize="end"
+        android:gravity="center"
+        android:maxLines="1"
+        android:paddingLeft="4dp"
+        android:paddingRight="4dp"
+        android:textColor="?colorPrimary"
+        android:textSize="13sp"
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="za 15 min"
+        tools:visibility="gone" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeLeft"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:layout_marginTop="10dp"
-        app:srcCompat="@drawable/ic_timetable_swap"
-        app:tint="?colorPrimary"
-        tools:ignore="contentDescription" />
-</RelativeLayout>
+        android:layout_marginStart="4dp"
+        android:background="@drawable/background_timetable_time_left"
+        android:ellipsize="end"
+        android:gravity="center"
+        android:includeFontPadding="false"
+        android:maxLines="1"
+        android:paddingLeft="7dp"
+        android:paddingTop="2dp"
+        android:paddingRight="7dp"
+        android:paddingBottom="2dp"
+        android:textColor="?colorOnPrimary"
+        android:textSize="13sp"
+        android:visibility="gone"
+        app:backgroundTint="?colorPrimary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="jeszcze 15 min"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_timetable_additional.xml b/app/src/main/res/layout/item_timetable_additional.xml
new file mode 100644
index 000000000..cc39db5d4
--- /dev/null
+++ b/app/src/main/res/layout/item_timetable_additional.xml
@@ -0,0 +1,41 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
+    android:paddingEnd="12dp"
+    android:paddingBottom="6dp"
+    tools:context=".ui.modules.timetable.additional.AdditionalLessonsAdapter">
+
+    <TextView
+        android:id="@+id/additionalLessonItemSubject"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginEnd="16dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/additionalLessonItemTime"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="4dp"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/additionalLessonItemSubject"
+        tools:text="11:11 - 12:12" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/item_timetable_small.xml b/app/src/main/res/layout/item_timetable_small.xml
new file mode 100644
index 000000000..037c10d5d
--- /dev/null
+++ b/app/src/main/res/layout/item_timetable_small.xml
@@ -0,0 +1,84 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    tools:context=".ui.modules.timetable.TimetableAdapter">
+
+    <TextView
+        android:id="@+id/timetableSmallItemNumber"
+        android:layout_width="wrap_content"
+        android:minWidth="40dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:gravity="center"
+        android:maxLength="2"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="15sp"
+        tools:text="5" />
+
+    <TextView
+        android:id="@+id/timetableSmallItemTimeStart"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@id/timetableSmallItemNumber"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="1dp"
+        android:layout_toEndOf="@id/timetableSmallItemNumber"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        tools:text="11:11" />
+
+    <TextView
+        android:id="@+id/timetableSmallItemSubject"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_marginStart="10dp"
+        android:layout_toEndOf="@+id/timetableSmallItemTimeStart"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="15sp"
+        tools:text="Sieci komputerowe" />
+
+    <TextView
+        android:id="@+id/timetableSmallItemRoom"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="1dp"
+        android:layout_toEndOf="@+id/timetableSmallItemSubject"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        tools:text="22" />
+
+    <TextView
+        android:id="@+id/timetableSmallItemTeacher"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="1dp"
+        android:layout_toEndOf="@id/timetableSmallItemRoom"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        tools:text="Agata" />
+
+    <TextView
+        android:id="@+id/timetableSmallItemDescription"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="1dp"
+        android:layout_marginEnd="16dp"
+        android:layout_toEndOf="@id/timetableSmallItemTeacher"
+        android:ellipsize="end"
+        android:singleLine="true"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        tools:text="zastępstwo jakieś tam gdzieś tam" />
+
+</RelativeLayout>
diff --git a/app/src/main/res/layout/item_widget_timetable.xml b/app/src/main/res/layout/item_widget_timetable.xml
index bffc0bd5a..33f686dac 100644
--- a/app/src/main/res/layout/item_widget_timetable.xml
+++ b/app/src/main/res/layout/item_widget_timetable.xml
@@ -1,85 +1,134 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/timetableWidgetItemContainer"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:background="@drawable/ic_all_divider"
     android:minHeight="45dp"
-    android:orientation="horizontal"
+    android:orientation="vertical"
     tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
 
-    <TextView
-        android:id="@+id/timetableWidgetItemNumber"
-        android:layout_width="45dp"
-        android:layout_height="45dp"
-        android:layout_centerVertical="true"
-        android:layout_marginStart="5dp"
-        android:layout_marginLeft="5dp"
-        android:gravity="center"
-        android:maxLines="1"
-        android:textColor="@android:color/black"
-        android:textSize="25sp"
-        tools:text="1" />
-
-    <TextView
-        android:id="@+id/timetableWidgetItemTime"
-        android:layout_width="wrap_content"
+    <RelativeLayout
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_marginStart="5dp"
-        android:layout_marginLeft="5dp"
-        android:layout_marginTop="10dp"
-        android:layout_toEndOf="@id/timetableWidgetItemNumber"
-        android:layout_toRightOf="@id/timetableWidgetItemNumber"
-        android:textColor="@android:color/secondary_text_light"
-        android:textSize="13sp"
-        tools:text="08:00 - 08:45" />
+        android:background="@android:color/white"
+        android:paddingStart="6dp"
+        android:paddingLeft="6dp"
+        android:paddingTop="6dp"
+        android:paddingEnd="12dp"
+        android:paddingRight="12dp"
+        android:paddingBottom="6dp">
 
-    <TextView
-        android:id="@+id/timetableWidgetItemSubject"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
-        android:layout_marginTop="5dp"
-        android:layout_marginEnd="25dp"
-        android:layout_marginRight="25dp"
-        android:layout_toEndOf="@id/timetableWidgetItemTime"
-        android:layout_toRightOf="@id/timetableWidgetItemTime"
-        android:textColor="@android:color/secondary_text_light"
-        android:textSize="13sp"
-        tools:text="@tools:sample/lorem" />
+        <TextView
+            android:id="@+id/timetableWidgetItemNumber"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:gravity="center"
+            android:includeFontPadding="false"
+            android:maxLength="2"
+            android:textColor="?android:textColorPrimary"
+            android:textSize="28sp"
+            tools:text="5" />
 
-    <TextView
-        android:id="@+id/timetableWidgetItemDescription"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/timetableWidgetItemSubject"
-        android:layout_marginStart="15dp"
-        android:layout_marginLeft="15dp"
-        android:layout_marginTop="3dp"
-        android:layout_marginEnd="25dp"
-        android:layout_marginRight="25dp"
-        android:layout_marginBottom="5dp"
-        android:layout_toEndOf="@id/timetableWidgetItemTime"
-        android:layout_toRightOf="@id/timetableWidgetItemTime"
-        android:textColor="@color/colorPrimaryDark"
-        android:textSize="12sp"
-        tools:text="Lekcja odwołana: uczniowie zwolnieni do domu" />
+        <TextView
+            android:id="@+id/timetableWidgetItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@id/timetableWidgetItemNumber"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="40dp"
+            android:layout_marginRight="40dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:layout_toRightOf="@+id/timetableWidgetItemTimeStart"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            tools:text="@tools:sample/lorem" />
 
-    <TextView
-        android:id="@+id/timetableWidgetItemRoom"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/timetableWidgetItemTime"
-        android:layout_marginStart="5dp"
-        android:layout_marginLeft="5dp"
-        android:layout_marginTop="3dp"
-        android:layout_marginBottom="5dp"
-        android:layout_toEndOf="@id/timetableWidgetItemNumber"
-        android:layout_toRightOf="@id/timetableWidgetItemNumber"
-        android:textColor="@android:color/secondary_text_light"
-        android:textSize="12sp"
-        tools:text="Sala 25" />
-</RelativeLayout>
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeStart"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@id/timetableWidgetItemNumber"
+            android:layout_marginStart="6dp"
+            android:layout_marginLeft="6dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="13sp"
+            tools:text="11:11" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeFinish"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="6dp"
+            android:layout_marginLeft="6dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:layout_toRightOf="@id/timetableWidgetItemNumber"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="13sp"
+            tools:text="12:00" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:layout_toRightOf="@+id/timetableWidgetItemTimeStart"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="13sp"
+            tools:text="22"
+            tools:visibility="visible" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTeacher"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="8dp"
+            android:layout_marginLeft="8dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginRight="16dp"
+            android:layout_toEndOf="@id/timetableWidgetItemRoom"
+            android:layout_toRightOf="@id/timetableWidgetItemRoom"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@color/timetable_change_dark"
+            android:textSize="13sp"
+            android:visibility="gone"
+            tools:text="Agata Kowalska - Błaszczyk"
+            tools:visibility="visible" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@+id/timetableWidgetItemTimeFinish"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginTop="0dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginRight="16dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:layout_toRightOf="@+id/timetableWidgetItemTimeStart"
+            android:textColor="@color/timetable_change_dark"
+            android:textSize="13sp"
+            tools:text="Lekcja odwołana: uczniowie zwolnieni do domu"
+            tools:visibility="gone" />
+    </RelativeLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDivider" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_widget_timetable_dark.xml b/app/src/main/res/layout/item_widget_timetable_dark.xml
new file mode 100644
index 000000000..34535c694
--- /dev/null
+++ b/app/src/main/res/layout/item_widget_timetable_dark.xml
@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/timetableWidgetItemContainer"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="45dp"
+    android:orientation="vertical"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/colorWidgetBackground"
+        android:paddingStart="6dp"
+        android:paddingTop="6dp"
+        android:paddingEnd="12dp"
+        android:paddingBottom="6dp">
+
+        <TextView
+            android:id="@+id/timetableWidgetItemNumber"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:minWidth="40dp"
+            android:minHeight="40dp"
+            android:gravity="center"
+            android:includeFontPadding="false"
+            android:maxLength="2"
+            android:textColor="@android:color/white"
+            android:textSize="28sp"
+            tools:text="5" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@id/timetableWidgetItemNumber"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="40dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            tools:text="@tools:sample/lorem" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeStart"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@id/timetableWidgetItemNumber"
+            android:layout_marginStart="6dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="11:11" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeFinish"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="6dp"
+            android:layout_toEndOf="@id/timetableWidgetItemNumber"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="12:00" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="10dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="22"
+            tools:visibility="visible" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTeacher"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignBottom="@+id/timetableWidgetItemNumber"
+            android:layout_marginStart="8dp"
+            android:layout_marginEnd="16dp"
+            android:layout_toEndOf="@id/timetableWidgetItemRoom"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@color/timetable_change_light"
+            android:textSize="13sp"
+            android:visibility="gone"
+            tools:text="Agata Kowalska - Błaszczyk"
+            tools:visibility="visible" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@+id/timetableWidgetItemTimeFinish"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="0dp"
+            android:layout_marginEnd="16dp"
+            android:layout_toEndOf="@+id/timetableWidgetItemTimeStart"
+            android:textColor="@color/timetable_change_light"
+            android:textSize="13sp"
+            tools:text="Lekcja odwołana: uczniowie zwolnieni do domu"
+            tools:visibility="gone" />
+    </RelativeLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDividerInverse" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_widget_timetable_small.xml b/app/src/main/res/layout/item_widget_timetable_small.xml
new file mode 100644
index 000000000..36a6bbddf
--- /dev/null
+++ b/app/src/main/res/layout/item_widget_timetable_small.xml
@@ -0,0 +1,98 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@android:color/white"
+    android:orientation="vertical"
+    android:paddingStart="6dp"
+    android:paddingLeft="6dp"
+    android:paddingEnd="6dp"
+    android:paddingRight="6dp"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/timetableWidgetItemNumber"
+            android:layout_width="wrap_content"
+            android:minWidth="40dp"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:maxLength="2"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            tools:text="5" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeStart"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="6dp"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="13sp"
+            tools:text="11:11" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeFinish"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:visibility="gone" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            tools:text="Sieci komputerowe" />
+
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            tools:text="22" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTeacher"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            tools:text="Agata" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="10dp"
+            android:layout_marginRight="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:singleLine="true"
+            android:textColor="@android:color/black"
+            android:textSize="15sp"
+            android:visibility="visible"
+            tools:text="@tools:sample/lorem/random" />
+    </LinearLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDivider" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_widget_timetable_small_dark.xml b/app/src/main/res/layout/item_widget_timetable_small_dark.xml
new file mode 100644
index 000000000..a02d85850
--- /dev/null
+++ b/app/src/main/res/layout/item_widget_timetable_small_dark.xml
@@ -0,0 +1,97 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="@color/colorWidgetBackground"
+    android:orientation="vertical"
+    android:paddingStart="6dp"
+    android:paddingLeft="6dp"
+    android:paddingEnd="6dp"
+    android:paddingRight="6dp"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetFactory">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/timetableWidgetItemNumber"
+            android:layout_width="wrap_content"
+            android:minWidth="40dp"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:maxLength="2"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            tools:text="5" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeStart"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="6dp"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="13sp"
+            tools:text="11:11" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTimeFinish"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:visibility="gone" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemSubject"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            tools:text="Sieci komputerowe" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemRoom"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            tools:text="22" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemTeacher"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            tools:text="Agata" />
+
+        <TextView
+            android:id="@+id/timetableWidgetItemDescription"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginLeft="10dp"
+            android:layout_marginEnd="10dp"
+            android:layout_marginRight="10dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:singleLine="true"
+            android:textColor="@android:color/white"
+            android:textSize="15sp"
+            android:visibility="visible"
+            tools:text="@tools:sample/lorem/random" />
+    </LinearLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@color/colorDividerInverse" />
+</LinearLayout>
diff --git a/app/src/main/res/layout/scrollable_header_about.xml b/app/src/main/res/layout/scrollable_header_about.xml
index 9b7bb7324..e203d98d4 100644
--- a/app/src/main/res/layout/scrollable_header_about.xml
+++ b/app/src/main/res/layout/scrollable_header_about.xml
@@ -3,15 +3,16 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="104dp"
-    android:orientation="vertical">
+    android:layout_height="wrap_content"
+    android:minHeight="104dp"
+    android:orientation="vertical"
+    tools:context=".ui.modules.about.AboutAdapter">
 
     <ImageView
         android:id="@+id/aboutScrollableHeaderIcon"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:layout_marginEnd="24dp"
-        android:layout_marginRight="24dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintHorizontal_chainStyle="packed"
         app:layout_constraintLeft_toLeftOf="parent"
diff --git a/app/src/main/res/layout/scrollable_header_attendance_summary.xml b/app/src/main/res/layout/scrollable_header_attendance_summary.xml
index 94de11076..4593a5b6a 100644
--- a/app/src/main/res/layout/scrollable_header_attendance_summary.xml
+++ b/app/src/main/res/layout/scrollable_header_attendance_summary.xml
@@ -6,7 +6,8 @@
     android:layout_marginTop="20dp"
     android:layout_marginBottom="20dp"
     android:gravity="center_horizontal"
-    android:orientation="vertical">
+    android:orientation="vertical"
+    tools:context=".ui.modules.attendance.summary.AttendanceSummaryAdapter">
 
     <TextView
         android:layout_width="match_parent"
diff --git a/app/src/main/res/layout/scrollable_header_grade_summary.xml b/app/src/main/res/layout/scrollable_header_grade_summary.xml
index ec069f8cf..2eea20f42 100644
--- a/app/src/main/res/layout/scrollable_header_grade_summary.xml
+++ b/app/src/main/res/layout/scrollable_header_grade_summary.xml
@@ -5,14 +5,14 @@
     android:layout_height="wrap_content"
     android:layout_marginBottom="20dp"
     android:gravity="center_horizontal"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    tools:context=".ui.modules.grade.summary.GradeSummaryAdapter">
 
     <LinearLayout
         android:layout_width="150dp"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"
         android:layout_marginEnd="5dp"
-        android:layout_marginRight="5dp"
         android:orientation="vertical">
 
         <TextView
@@ -54,4 +54,4 @@
             android:textSize="21sp"
             tools:text="6,00" />
     </LinearLayout>
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/app/src/main/res/layout/widget_luckynumber.xml b/app/src/main/res/layout/widget_luckynumber.xml
index ec12e4217..360a19708 100644
--- a/app/src/main/res/layout/widget_luckynumber.xml
+++ b/app/src/main/res/layout/widget_luckynumber.xml
@@ -4,7 +4,7 @@
     android:id="@+id/luckyNumberWidgetContainer"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    android:background="@drawable/backgorund_luckynumber_widget"
+    android:background="@drawable/background_luckynumber_widget"
     android:gravity="center"
     android:padding="10dp"
     tools:context=".ui.modules.luckynumberwidget.LuckyNumberWidgetProvider">
diff --git a/app/src/main/res/layout/widget_luckynumber_dark.xml b/app/src/main/res/layout/widget_luckynumber_dark.xml
new file mode 100644
index 000000000..77174730c
--- /dev/null
+++ b/app/src/main/res/layout/widget_luckynumber_dark.xml
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/luckyNumberWidgetContainer"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:background="@drawable/background_luckynumber_widget_dark"
+    android:gravity="center"
+    android:padding="10dp"
+    tools:context=".ui.modules.luckynumberwidget.LuckyNumberWidgetProvider">
+
+    <ImageView
+        android:id="@+id/luckyNumberWidgetImageTop"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_above="@id/luckyNumberWidgetNumber"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="20dp"
+        android:contentDescription="@string/lucky_number_title"
+        android:gravity="center"
+        android:src="@drawable/ic_widget_clover"
+        android:tint="@android:color/white"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/luckyNumberWidgetTitle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="0dp"
+        android:gravity="center"
+        android:labelFor="@id/luckyNumberWidgetImageTop"
+        android:text="@string/lucky_number_title"
+        android:textAlignment="center"
+        android:textColor="@android:color/white"
+        android:textSize="22sp"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <ImageView
+        android:id="@+id/luckyNumberWidgetImageLeft"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignTop="@id/luckyNumberWidgetNumber"
+        android:contentDescription="@string/lucky_number_title"
+        android:src="@drawable/ic_widget_clover"
+        android:tint="@android:color/white"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/luckyNumberWidgetNumber"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/luckyNumberWidgetTitle"
+        android:layout_toEndOf="@id/luckyNumberWidgetImageLeft"
+        android:layout_toRightOf="@id/luckyNumberWidgetImageLeft"
+        android:gravity="center"
+        android:text="#"
+        android:textAlignment="center"
+        android:textColor="@android:color/white"
+        android:textSize="34sp"
+        tools:ignore="HardcodedText"
+        tools:text="13" />
+</RelativeLayout>
diff --git a/app/src/main/res/layout/widget_timetable.xml b/app/src/main/res/layout/widget_timetable.xml
index aa2269ad0..8a08b5d24 100644
--- a/app/src/main/res/layout/widget_timetable.xml
+++ b/app/src/main/res/layout/widget_timetable.xml
@@ -16,9 +16,7 @@
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
             android:layout_toStartOf="@id/timetableWidgetAccount"
-            android:layout_toLeftOf="@id/timetableWidgetAccount"
             android:layout_toEndOf="@id/timetableWidgetNext"
-            android:layout_toRightOf="@id/timetableWidgetNext"
             android:orientation="vertical">
 
             <TextView
@@ -26,7 +24,6 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="10dp"
-                android:layout_marginLeft="10dp"
                 android:maxLines="1"
                 android:textColor="@android:color/white"
                 android:textSize="15sp"
@@ -37,7 +34,6 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginStart="10dp"
-                android:layout_marginLeft="10dp"
                 android:maxLines="1"
                 android:textColor="@android:color/white"
                 android:textSize="13sp"
@@ -49,7 +45,6 @@
             android:layout_width="50dp"
             android:layout_height="match_parent"
             android:layout_alignParentEnd="true"
-            android:layout_alignParentRight="true"
             android:background="?android:selectableItemBackground"
             android:contentDescription="@string/account_title"
             android:src="@drawable/ic_widget_account" />
@@ -60,7 +55,6 @@
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
             android:layout_marginStart="10dp"
-            android:layout_marginLeft="10dp"
             android:backgroundTint="@color/colorPrimaryDark"
             android:contentDescription="@string/all_prev"
             android:src="@drawable/ic_widget_chevron"
@@ -72,7 +66,6 @@
             android:layout_height="wrap_content"
             android:layout_centerVertical="true"
             android:layout_toEndOf="@id/timetableWidgetPrev"
-            android:layout_toRightOf="@id/timetableWidgetPrev"
             android:backgroundTint="@color/colorPrimaryDark"
             android:contentDescription="@string/all_next"
             android:rotation="180"
diff --git a/app/src/main/res/layout/widget_timetable_dark.xml b/app/src/main/res/layout/widget_timetable_dark.xml
new file mode 100644
index 000000000..5533eaeee
--- /dev/null
+++ b/app/src/main/res/layout/widget_timetable_dark.xml
@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/colorWidgetBackground"
+    tools:context=".ui.modules.timetablewidget.TimetableWidgetProvider">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="56dp"
+        android:background="@color/colorWidgetTopBar">
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toStartOf="@id/timetableWidgetAccount"
+            android:layout_toEndOf="@id/timetableWidgetNext"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/timetableWidgetDate"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:maxLines="1"
+                android:textColor="@android:color/white"
+                android:textSize="15sp"
+                tools:text="Pon. 30.03.2019" />
+
+            <TextView
+                android:id="@+id/timetableWidgetName"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginStart="10dp"
+                android:maxLines="1"
+                android:textColor="@android:color/white"
+                android:textSize="13sp"
+                tools:text="Jan Kowalski" />
+        </LinearLayout>
+
+        <ImageButton
+            android:id="@+id/timetableWidgetAccount"
+            android:layout_width="50dp"
+            android:layout_height="match_parent"
+            android:layout_alignParentEnd="true"
+            android:background="?android:selectableItemBackground"
+            android:contentDescription="@string/account_title"
+            android:src="@drawable/ic_widget_account" />
+
+        <ImageButton
+            android:id="@+id/timetableWidgetPrev"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_marginStart="10dp"
+            android:backgroundTint="@color/colorWidgetNavButton"
+            android:contentDescription="@string/all_prev"
+            android:src="@drawable/ic_widget_chevron"
+            tools:targetApi="lollipop" />
+
+        <ImageButton
+            android:id="@+id/timetableWidgetNext"
+            android:layout_width="50dp"
+            android:layout_height="wrap_content"
+            android:layout_centerVertical="true"
+            android:layout_toEndOf="@id/timetableWidgetPrev"
+            android:backgroundTint="@color/colorWidgetNavButton"
+            android:contentDescription="@string/all_next"
+            android:rotation="180"
+            android:src="@drawable/ic_widget_chevron"
+            tools:targetApi="lollipop" />
+    </RelativeLayout>
+
+    <ListView
+        android:id="@+id/timetableWidgetList"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="56dp"
+        tools:listitem="@layout/item_widget_timetable_dark" />
+
+    <TextView
+        android:id="@+id/timetableWidgetEmpty"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:text="@string/widget_timetable_no_items"
+        android:textColor="@android:color/white"
+        android:textSize="20sp"
+        tools:visibility="invisible" />
+</FrameLayout>
diff --git a/app/src/main/res/menu/action_menu_account_details.xml b/app/src/main/res/menu/action_menu_account_details.xml
new file mode 100644
index 000000000..9ddc1e550
--- /dev/null
+++ b/app/src/main/res/menu/action_menu_account_details.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/accountDetailsMenuEdit"
+        android:icon="@drawable/ic_menu_message_write"
+        android:orderInCategory="1"
+        android:title="@string/account_details_edit"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
+</menu>
diff --git a/app/src/main/res/menu/action_menu_attendance.xml b/app/src/main/res/menu/action_menu_attendance.xml
index 86c2fed71..bb20c8ec2 100644
--- a/app/src/main/res/menu/action_menu_attendance.xml
+++ b/app/src/main/res/menu/action_menu_attendance.xml
@@ -6,6 +6,6 @@
         android:icon="@drawable/ic_menu_attendance_summary"
         android:orderInCategory="1"
         android:title="@string/attendance_summary_button"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_grade.xml b/app/src/main/res/menu/action_menu_grade.xml
index 4438309de..6357cbb51 100644
--- a/app/src/main/res/menu/action_menu_grade.xml
+++ b/app/src/main/res/menu/action_menu_grade.xml
@@ -6,6 +6,6 @@
         android:icon="@drawable/ic_menu_grade_semester"
         android:orderInCategory="1"
         android:title="@string/grade_switch_semester"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_grade_details.xml b/app/src/main/res/menu/action_menu_grade_details.xml
index 6f8a1aea5..62516cbd7 100644
--- a/app/src/main/res/menu/action_menu_grade_details.xml
+++ b/app/src/main/res/menu/action_menu_grade_details.xml
@@ -3,8 +3,9 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/gradeDetailsMenuRead"
+        android:enabled="false"
         android:orderInCategory="100"
         android:title="@string/grade_menu_read"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="never" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_logviewer.xml b/app/src/main/res/menu/action_menu_logviewer.xml
new file mode 100644
index 000000000..84b076b15
--- /dev/null
+++ b/app/src/main/res/menu/action_menu_logviewer.xml
@@ -0,0 +1,11 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/logViewerMenuShare"
+        android:icon="@drawable/ic_share"
+        android:orderInCategory="1"
+        android:title="@string/logviewer_share"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
+</menu>
diff --git a/app/src/main/res/menu/action_menu_main.xml b/app/src/main/res/menu/action_menu_main.xml
index 78b4ee4a8..219059391 100644
--- a/app/src/main/res/menu/action_menu_main.xml
+++ b/app/src/main/res/menu/action_menu_main.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools">
+
     <item
         android:id="@+id/mainMenuAccount"
-        android:icon="@drawable/ic_all_account"
         android:orderInCategory="2"
-        android:title="@string/main_account_picker"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
-        app:showAsAction="always" />
+        app:showAsAction="always"
+        tools:ignore="MenuTitle" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_message_preview.xml b/app/src/main/res/menu/action_menu_message_preview.xml
index f79797801..4c1332e10 100644
--- a/app/src/main/res/menu/action_menu_message_preview.xml
+++ b/app/src/main/res/menu/action_menu_message_preview.xml
@@ -6,20 +6,34 @@
         android:icon="@drawable/ic_menu_message_reply"
         android:orderInCategory="1"
         android:title="@string/message_reply"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
     <item
         android:id="@+id/messagePreviewMenuForward"
         android:icon="@drawable/ic_menu_message_forward"
         android:orderInCategory="1"
         android:title="@string/message_forward"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
     <item
         android:id="@+id/messagePreviewMenuDelete"
         android:icon="@drawable/ic_menu_message_delete"
         android:orderInCategory="1"
         android:title="@string/message_delete"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
+    <item
+        android:id="@+id/messagePreviewMenuShare"
+        android:icon="@drawable/ic_menu_message_share"
+        android:orderInCategory="1"
+        android:title="@string/message_share"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
+    <item
+        android:id="@+id/messagePreviewMenuPrint"
+        android:icon="@drawable/ic_menu_message_print"
+        android:orderInCategory="1"
+        android:title="@string/message_print"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_message_tab.xml b/app/src/main/res/menu/action_menu_message_tab.xml
new file mode 100644
index 000000000..18d348757
--- /dev/null
+++ b/app/src/main/res/menu/action_menu_message_tab.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_search"
+        android:icon="@drawable/ic_search"
+        android:title="@string/all_search"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="collapseActionView|ifRoom" />
+</menu>
diff --git a/app/src/main/res/menu/action_menu_send_message.xml b/app/src/main/res/menu/action_menu_send_message.xml
index 491f74f97..4b43764a8 100644
--- a/app/src/main/res/menu/action_menu_send_message.xml
+++ b/app/src/main/res/menu/action_menu_send_message.xml
@@ -6,6 +6,6 @@
         android:icon="@drawable/ic_menu_message_send"
         android:orderInCategory="1"
         android:title="@string/send_message_title"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
 </menu>
diff --git a/app/src/main/res/menu/action_menu_timetable.xml b/app/src/main/res/menu/action_menu_timetable.xml
index cfbdb6269..47257f5b4 100644
--- a/app/src/main/res/menu/action_menu_timetable.xml
+++ b/app/src/main/res/menu/action_menu_timetable.xml
@@ -1,11 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/timetableMenuAdditionalLessons"
+        android:icon="@drawable/ic_menu_timetable_lessons_additional"
+        android:orderInCategory="1"
+        android:title="@string/additional_lessons_button"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="ifRoom" />
     <item
         android:id="@+id/timetableMenuCompletedLessons"
         android:icon="@drawable/ic_menu_timetable_lessons_completed"
         android:orderInCategory="1"
         android:title="@string/completed_lessons_button"
-        app:iconTint="@color/mtrl_on_surface_emphasis_medium"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
         app:showAsAction="ifRoom" />
 </menu>
diff --git a/app/src/main/res/menu/context_menu_excuse.xml b/app/src/main/res/menu/context_menu_excuse.xml
new file mode 100644
index 000000000..4eff14e3f
--- /dev/null
+++ b/app/src/main/res/menu/context_menu_excuse.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/excuseMenuSubmit"
+        android:icon="@drawable/ic_all_done"
+        android:title="@string/attendance_excuse_dialog_submit"
+        app:iconTint="@color/material_on_surface_emphasis_medium"
+        app:showAsAction="always" />
+</menu>
diff --git a/app/src/main/res/raw/custom_license_mappings.prop b/app/src/main/res/raw/custom_license_mappings.prop
new file mode 100644
index 000000000..f4ab55163
--- /dev/null
+++ b/app/src/main/res/raw/custom_license_mappings.prop
@@ -0,0 +1 @@
+io_github_wulkanowy__sdk:apache_2_0
diff --git a/app/src/main/res/raw/custom_license_year_mappings.prop b/app/src/main/res/raw/custom_license_year_mappings.prop
new file mode 100644
index 000000000..9605dada6
--- /dev/null
+++ b/app/src/main/res/raw/custom_license_year_mappings.prop
@@ -0,0 +1,3 @@
+com_github_wulkanowy__material_chips_input:2019
+io_github_wulkanowy__uonet_request_signer:2019
+io_github_wulkanowy__sdk:2020
diff --git a/app/src/main/res/raw/custom_name_mappings.prop b/app/src/main/res/raw/custom_name_mappings.prop
new file mode 100644
index 000000000..05e896805
--- /dev/null
+++ b/app/src/main/res/raw/custom_name_mappings.prop
@@ -0,0 +1,3 @@
+com_github_wulkanowy__material_chips_input:Material Chips Input
+io_github_wulkanowy__uonet_request_signer:UONET+ Request Signer
+io_github_wulkanowy__sdk:VULCAN UONET+ SDK
diff --git a/app/src/main/res/values-cs-v29/preferences_values.xml b/app/src/main/res/values-cs-v29/preferences_values.xml
new file mode 100644
index 000000000..25125a308
--- /dev/null
+++ b/app/src/main/res/values-cs-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Motiv systému</item>
+        <item>Světlý</item>
+        <item>Tmavý</item>
+        <item>Černý (AMOLED)</item>
+    </string-array>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-cs/preferences_values.xml b/app/src/main/res/values-cs/preferences_values.xml
new file mode 100644
index 000000000..7abbb10bc
--- /dev/null
+++ b/app/src/main/res/values-cs/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Světlý</item>
+        <item>Tmavý</item>
+        <item>Černý (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Jazyk systému</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 minut</item>
+        <item>30 minut</item>
+        <item>1 hodina</item>
+        <item>2 hodiny</item>
+        <item>6 hodin</item>
+        <item>12 hodin</item>
+        <item>24 hodin</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,00</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Abecedně</item>
+        <item>Podle data</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Barvy známek v deníku</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Průměrná známka od druhého semestru</item>
+        <item>Průměr známek z obou semestrů</item>
+        <item>Průměr známek z celého roku</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Nezobrazovat</item>
+        <item>Zobrazit vše</item>
+        <item>Zobrazit menší</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
new file mode 100644
index 000000000..a2118955a
--- /dev/null
+++ b/app/src/main/res/values-cs/strings.xml
@@ -0,0 +1,539 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Přihlášení</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Známky</string>
+    <string name="attendance_title">Docházka</string>
+    <string name="exam_title">Zkoušky</string>
+    <string name="timetable_title">Plán lekce</string>
+    <string name="settings_title">Nastavení</string>
+    <string name="more_title">Více</string>
+    <string name="about_title">O aplikaci</string>
+    <string name="logviewer_title">Prohlížeč protokolů</string>
+    <string name="contributors_title">Tvůrci</string>
+    <string name="license_title">Licence</string>
+    <string name="message_title">Zprávy</string>
+    <string name="send_message_title">Nová zpráva</string>
+    <string name="note_title">Poznámky a úspěchy</string>
+    <string name="homework_title">Domácí úkoly</string>
+    <string name="account_title">Manažer účtů</string>
+    <string name="account_quick_title">Vyberte účet</string>
+    <string name="account_details_title">Podrobnosti účtu</string>
+    <string name="student_info_title">Informace o žáku</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semestr %1$d, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Přihlaste se pomocí studentského nebo rodičovského účtu</string>
+    <string name="login_header_symbol">Zadejte symbol ze stránky deníku</string>
+    <string name="login_nickname_hint">Uživatelské jméno</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Přihlášení, číslo PESEL nebo e-mail</string>
+    <string name="login_password_hint">Heslo</string>
+    <string name="login_host_hint">Variace deníku UONET+</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybridní</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Klíč API</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Přihlásit</string>
+    <string name="login_invalid_password">Toto heslo je příliš krátké</string>
+    <string name="login_incorrect_password">Přihlašovací údaje jsou nesprávné. Ujistěte se, že je v poli níže vybrána správná variace deníku UONET+</string>
+    <string name="login_invalid_pin">Neplatný PIN</string>
+    <string name="login_invalid_token">Neplatný token</string>
+    <string name="login_expired_token">Token vypršel</string>
+    <string name="login_invalid_email">Neplatný e-mail</string>
+    <string name="login_invalid_login">Místo e-mailu použijte přiřazené přihlašovací údaje</string>
+    <string name="login_invalid_custom_email">Použijte přiřazené přihlašovací nebo e-mail v @%1$s</string>
+    <string name="login_invalid_symbol">Neplatný symbol</string>
+    <string name="login_incorrect_symbol">Žák nebyl nalezen. Zkontrolujte správnost symbolu a vybrané varianty deníku UONET+</string>
+    <string name="login_field_required">Toto pole je povinné</string>
+    <string name="login_duplicate_student">Vybraný žák je už přihlášen</string>
+    <string name="login_symbol_helper">Symbol najdete na stránce deníku v &#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nUjistěte se, že jste na předchozí obrazovce nastavili správnou variantu deníku do pole <b>Variace deníku UONET+</b>. Wulkanowy v tuto chvíli nezjistí předškolní żaków</string>
+    <string name="login_select_student">Vyberte žáky, kteří se mají do aplikace přihlásit</string>
+    <string name="login_advanced">Jiné možnosti</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režimu nefungují následující: šťastné číslo, statistiky třídy, shrnutí docházky, ospravedlnění nepřítomnosti, dokončené lekce, informace o škole a prohlížení seznamu registrovaných zařízení</string>
+    <string name="login_advanced_warning_scraper">Tento režim zobrazuje stejná data, která se zobrazují na webových stránkách deníka</string>
+    <string name="login_advanced_warning_hybrid">Kombinace nejlepších vlastností ostatních dvou režimů. Funguje rychleji než scraper a poskytuje funkce, které nejsou k dispozici v režimu Mobile API. Je to v experimentální fázi</string>
+    <string name="login_privacy_policy">Zásady ochrany osobních údajů</string>
+    <string name="login_contact_header">Problémy s přihlášením? Napište nám!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Poslat e-mail</string>
+    <string name="login_email_details">Popište podrobnosti problému:</string>
+    <string name="login_recover_warning">Ujistěte se, že jste vybrali správnou variantu deníku UONET+!</string>
+    <string name="login_recover_button">Zapomněl jsem své heslo</string>
+    <string name="login_recover_title">Obnovte svůj účet</string>
+    <string name="login_recover">Obnovit</string>
+    <string name="login_signed_in">Žák je už přihlášen</string>
+    <!--Main-->
+    <string name="main_account_picker">Manažer účtů</string>
+    <string name="main_log_in">Přihlásit se</string>
+    <string name="main_session_expired">Relace vypršela</string>
+    <string name="main_session_relogin">Relace vypršela. Přihlaste se prosím znovu</string>
+    <!--Grade-->
+    <string name="grade_header">Známka</string>
+    <string name="grade_semester">Semestr %d</string>
+    <string name="grade_switch_semester">Změnit semestr</string>
+    <string name="grade_no_items">Žádné známky</string>
+    <string name="grade_weight">Váha</string>
+    <string name="grade_weight_value">Váha: %s</string>
+    <string name="grade_comment">Komentář</string>
+    <string name="grade_no_new_items">Žádné nové známky</string>
+    <string name="grade_number_new_items">Počet nových známek: %1$d</string>
+    <string name="grade_average">Průměr: %1$.2f</string>
+    <string name="grade_points_sum">Body: %s</string>
+    <string name="grade_no_average">Bez průměru</string>
+    <string name="grade_predicted">Předpokládaná: %1$s</string>
+    <string name="grade_final">Konečná: %1$s</string>
+    <string name="grade_summary_points">Součet bodů</string>
+    <string name="grade_summary_final_grade">Konečná známka</string>
+    <string name="grade_summary_predicted_grade">Předpokládaná známka</string>
+    <string name="grade_summary_calculated_average">Vypočítaný průměr</string>
+    <string name="grade_summary_final_average">Konečný průměr</string>
+    <string name="grade_menu_summary">Shrnutí</string>
+    <string name="grade_menu_statistics">Třída</string>
+    <string name="grade_menu_read">Označit jako přečtené</string>
+    <string name="grade_statistics_partial">Částečně</string>
+    <string name="grade_statistics_semester">Semestr</string>
+    <string name="grade_statistics_points">Body</string>
+    <string name="grade_statistics_legend">Vysvětlivky</string>
+    <string name="grade_statistics_average">Průměr: %1$s</string>
+    <string name="grade_statistics_average_class">Třída</string>
+    <string name="grade_statistics_average_student">Žák</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d známka</item>
+        <item quantity="few">%d známky</item>
+        <item quantity="many">%d známek</item>
+        <item quantity="other">%d známek</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Nová známka</item>
+        <item quantity="few">Nové známky</item>
+        <item quantity="many">Nové známky</item>
+        <item quantity="other">Nové známky</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Nová předpokládaná známka</item>
+        <item quantity="few">Nové předpovídané známky</item>
+        <item quantity="many">Nové předpovídané známky</item>
+        <item quantity="other">Nové předpovídané známky</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Nová konečná známka</item>
+        <item quantity="few">Nové konečné známky</item>
+        <item quantity="many">Nové konečné známky</item>
+        <item quantity="other">Nové konečné známky</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Máte %1$d novou známku</item>
+        <item quantity="few">Máte %1$d nové známky</item>
+        <item quantity="many">Máte %1$d nových známek</item>
+        <item quantity="other">Máte %1$d nových známek</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Máte %1$d novou předpokládanou známku</item>
+        <item quantity="few">Máte %1$d nové předpokládané známky</item>
+        <item quantity="many">Máte %1$d nových předpokládaných známek</item>
+        <item quantity="other">Máte %1$d nových předpokládaných známek</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Máte %1$d novou konečnou známku</item>
+        <item quantity="few">Máte %1$d nové konečné známky</item>
+        <item quantity="many">Máte %1$d nových konečných známek</item>
+        <item quantity="other">Máte %1$d nových konečných známek</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Lekce</string>
+    <string name="timetable_room">Učebna</string>
+    <string name="timetable_group">Skupina</string>
+    <string name="timetable_time">Hodiny</string>
+    <string name="timetable_changes">Změny</string>
+    <string name="timetable_no_items">Žádné lekce tento den</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sek</string>
+    <string name="timetable_time_left">ještě %1$s</string>
+    <string name="timetable_time_until">za %1$s</string>
+    <string name="timetable_finished">Ukončila</string>
+    <string name="timetable_now">Teď: %s</string>
+    <string name="timetable_next">Za chvíli: %s</string>
+    <string name="timetable_later">Později: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Dokončené lekce</string>
+    <string name="completed_lessons_button">Zobrazit dokončené lekce</string>
+    <string name="completed_lessons_no_items">Žádné informace o dokončených lekcích</string>
+    <string name="completed_lessons_topic">Téma</string>
+    <string name="completed_lessons_absence">Nepřítomnost</string>
+    <string name="completed_lessons_resources">Zdroje</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Další lekce</string>
+    <string name="additional_lessons_button">Zobrazit další lekce</string>
+    <string name="additional_lessons_no_items">Žádné informace o dalších lekcích</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Shrnutí docházky</string>
+    <string name="attendance_absence_school">Neprítomnosť zo školských dôvodov</string>
+    <string name="attendance_absence_excused">Omluvená nepřítomnost</string>
+    <string name="attendance_absence_unexcused">Neomluvená nepřítomnost</string>
+    <string name="attendance_exemption">Osvobození</string>
+    <string name="attendance_excused_lateness">Omluvené zpoždění</string>
+    <string name="attendance_unexcused_lateness">Neomluvené zpoždění</string>
+    <string name="attendance_present">Přítomnost</string>
+    <string name="attendance_deleted">Odstraněno</string>
+    <string name="attendance_unknown">Neznámý</string>
+    <string name="attendance_number">Číslo lekce</string>
+    <string name="attendance_no_items">Žádné položky</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d nepřítomnost</item>
+        <item quantity="few">%1$d nepřítomnosti</item>
+        <item quantity="many">%1$d nepřítomnosti</item>
+        <item quantity="other">%1$d nepřítomnosti</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Důvod nepřítomnosti (volitelný)</string>
+    <string name="attendance_excuse_dialog_submit">Poslat</string>
+    <string name="attendance_excuse_success">Žádost o omluvu nepřítomnosti byla úspěšně odeslána!</string>
+    <string name="attendance_excuse_no_selection">Musíte vybrat alespoň jednu nepřítomnost!</string>
+    <string name="attendance_excuse_title">Ospravedlnit</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Docházka</string>
+    <string name="attendance_summary_total">Společně</string>
+    <!--Exam-->
+    <string name="exam_no_items">Tento týden žádné testy</string>
+    <string name="exam_type">Typ</string>
+    <string name="exam_entry_date">Datum vstupu</string>
+    <!--Message-->
+    <string name="message_inbox">Doručená pošta</string>
+    <string name="message_sent">Odesláno</string>
+    <string name="message_trash">Koš</string>
+    <string name="message_no_subject">(žádný předmět)</string>
+    <string name="message_no_items">Žádné zprávy</string>
+    <string name="message_preview_error">Při stahování obsahu zprávy došlo k chybě</string>
+    <string name="message_from">Od:</string>
+    <string name="message_to">Komu:</string>
+    <string name="message_date">Datum: %s</string>
+    <string name="message_reply">Odpověď</string>
+    <string name="message_forward">Poslat dále</string>
+    <string name="message_delete">Odstranit</string>
+    <string name="message_move_to_bin">Přesunout do koše</string>
+    <string name="message_delete_forever">Odstranit natrvalo</string>
+    <string name="message_delete_success">Zpráva byla úspěšně odstraněna</string>
+    <string name="message_share">Sdílet</string>
+    <string name="message_print">Vytisknout</string>
+    <string name="message_subject">Předmět</string>
+    <string name="message_content">Obsah</string>
+    <string name="message_send_successful">Zpráva úspěšně odeslána</string>
+    <string name="message_not_exists">Zpráva neexistuje</string>
+    <string name="message_required_recipients">Musíte vybrat alespoň 1 příjemce</string>
+    <string name="message_content_min_length">Obsah zprávy musí mít alespoň 3 znaky</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d zpráva</item>
+        <item quantity="few">%d zprávy</item>
+        <item quantity="many">%d zpráv</item>
+        <item quantity="other">%d zpráv</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Nová zpráva</item>
+        <item quantity="few">Nové zprávy</item>
+        <item quantity="many">Nové zprávy</item>
+        <item quantity="other">Nové zprávy</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Máte %1$d novou zprávu</item>
+        <item quantity="few">Máte %1$d nové zprávy</item>
+        <item quantity="many">Máte %1$d nových zpráv</item>
+        <item quantity="other">Máte %1$d nových zpráv</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Žádné informace o poznámkách</string>
+    <string name="note_points">Body</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d poznámka</item>
+        <item quantity="few">%d poznámky</item>
+        <item quantity="many">%d poznámek</item>
+        <item quantity="other">%d poznámek</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Nová poznámka</item>
+        <item quantity="few">Nové poznámky</item>
+        <item quantity="many">Nové poznámky</item>
+        <item quantity="other">Nové poznámky</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">Máte %1$d novou poznámku</item>
+        <item quantity="few">Máte %1$d nové poznámky</item>
+        <item quantity="many">Máte %1$d nových poznámek</item>
+        <item quantity="other">Máte %1$d nových poznámek</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d chvála</item>
+        <item quantity="few">%d chvály</item>
+        <item quantity="many">%d chvál</item>
+        <item quantity="other">%d chvál</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Nová chvála</item>
+        <item quantity="few">Nové chvály</item>
+        <item quantity="many">Nové chvály</item>
+        <item quantity="other">Nové chvály</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Máte %1$d novou chválu</item>
+        <item quantity="few">Máte %1$d nové chvály</item>
+        <item quantity="many">Máte %1$d nových chvál</item>
+        <item quantity="other">Máte %1$d nových chvál</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutrální poznámka</item>
+        <item quantity="few">%d neutrální poznámky</item>
+        <item quantity="many">%d neutrální poznámky</item>
+        <item quantity="other">%d neutrální poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Nová neutrální poznámka</item>
+        <item quantity="few">Nové neutrální poznámky</item>
+        <item quantity="many">Nové neutrální poznámky</item>
+        <item quantity="other">Nové neutrální poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Máte %1$d novou neutrální poznámku</item>
+        <item quantity="few">Máte %1$d nové neutrální poznámky</item>
+        <item quantity="many">Máte %1$d nových neutrální poznámek</item>
+        <item quantity="other">Máte %1$d nových neutrální poznámek</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Žádné informace o domácích úkolech</string>
+    <string name="homework_mark_as_done">Označit jako hotové</string>
+    <string name="homework_mark_as_undone">Neudělané</string>
+    <string name="homework_attachments">Přílohy</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Šťastné číslo</string>
+    <string name="lucky_number_header">Dnešní šťastné číslo je</string>
+    <string name="lucky_number_empty">Žádné informace o šťastném čísle</string>
+    <string name="lucky_number_notify_new_item_title">Šťastné číslo pro dnešek</string>
+    <string name="lucky_number_notify_new_item">Dnes je šťastným číslem: %d</string>
+    <string name="lucky_number_history_button">Zobrazit historii</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Historie šťastných čísel</string>
+    <string name="lucky_number_history_empty">Žádné informace o šťastných číslech</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Mobilní přístup</string>
+    <string name="mobile_devices_no_items">Žádná zařízení</string>
+    <string name="mobile_devices_unregister">Zrušit registraci</string>
+    <string name="mobile_device_removed">Zařízení odstranění</string>
+    <string name="mobile_device_qr">QR kód</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Škola a učitelé</string>
+    <!--School-->
+    <string name="school_title">Škola</string>
+    <string name="school_no_info">Žádné informace o škole</string>
+    <string name="school_name">Název školy</string>
+    <string name="school_address">Adresa školy</string>
+    <string name="school_telephone">Telefon</string>
+    <string name="school_headmaster">Jméno ředitele</string>
+    <string name="school_pedagogue">Jméno pedagoga</string>
+    <string name="school_address_button">Zobrazit na mapě</string>
+    <string name="school_telephone_button">Volat</string>
+    <!--Teacher-->
+    <string name="teachers_title">Učitelé</string>
+    <string name="teacher_no_items">Žádné informace o učitelích</string>
+    <string name="teacher_no_subject">Žádný předmět</string>
+    <!--Conference-->
+    <string name="conferences_title">Setkání</string>
+    <string name="conference_no_items">Žádné informace o setkáních</string>
+    <!--Account-->
+    <string name="account_add_new">Přidat účet</string>
+    <string name="account_logout">Odhlásit</string>
+    <string name="account_confirm">Chcete se odhlásit z aktivního žáka?</string>
+    <string name="account_logout_student">Odhlášení žáků</string>
+    <string name="account_type_student">Žákův účet</string>
+    <string name="account_type_parent">Rodičovský účet</string>
+    <string name="account_login_mobile_api">Režim Mobilního API</string>
+    <string name="account_login_hybrid">Hybridní režim</string>
+    <string name="account_details_edit">Upravit data</string>
+    <string name="account_quick_manager">Manažer účtů</string>
+    <string name="account_select_student">Vyberte žáka</string>
+    <string name="account_family">Rodina</string>
+    <string name="account_contact">Kontakt</string>
+    <string name="account_address">Údaje o adresách</string>
+    <string name="account_personal_data">Osobní údaje</string>
+    <!--About-->
+    <string name="about_version">Verze aplikace</string>
+    <string name="about_contributor">Tvůrci</string>
+    <string name="about_contributor_summary">Seznam vývojářů Wulkanového</string>
+    <string name="about_feedback">Nahlásit chybu</string>
+    <string name="about_feedback_summary">Odeslat zprávu o chybě e-mailem</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Přečtěte si často kladené otázky</string>
+    <string name="about_discord">Server Discord</string>
+    <string name="about_discord_summary">Připojte se ke komunitě Wulkanového</string>
+    <string name="about_facebook">Facebooková fanpage</string>
+    <string name="about_facebook_summary">Stejně jako naše facebooková fanpage</string>
+    <string name="about_privacy">Zásady ochrany osobních údajů</string>
+    <string name="about_privacy_summary">Pravidla pro shromažďování osobních údajů</string>
+    <string name="about_homepage">Domovská stránka</string>
+    <string name="about_homepage_summary">Navštivte stránku a pomozte s vývojem aplikace</string>
+    <string name="about_licenses">Licence</string>
+    <string name="about_licenses_summary">Licence knihoven použitých v aplikaci</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Licence</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Avatar</string>
+    <string name="contributor_see_more">Zobrazit více na GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Žádné informace o žáků nebo rodině žáka</string>
+    <string name="student_info_first_name">Jméno</string>
+    <string name="student_info_second_name">Druhé jméno</string>
+    <string name="student_info_gender">Pohlaví</string>
+    <string name="student_info_polish_citizenship">Polské občanství</string>
+    <string name="student_info_family_name">Rodinné jméno</string>
+    <string name="student_info_parents_name">Jména matky a otce</string>
+    <string name="student_info_phone">Telefon</string>
+    <string name="student_info_cellphone">Mobilní telefon</string>
+    <string name="student_info_email">E-mail</string>
+    <string name="student_info_address">Adresa bydliště</string>
+    <string name="student_info_registered_address">Registrovaná adresa</string>
+    <string name="student_info_correspondence_address">Korespondenční adresa</string>
+    <string name="student_info_full_name">Příjmení a jméno</string>
+    <string name="student_info_kinship">Stupeň příbuznosti</string>
+    <string name="student_info_guardian_address">Adresa</string>
+    <string name="student_info_phones">Telefony</string>
+    <string name="student_info_male">Muž</string>
+    <string name="student_info_female">Žena</string>
+    <string name="student_info_last_name">Příjmení</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Přezdívka</string>
+    <string name="account_edit_header">Přidat přezdívku</string>
+    <string name="account_edit_avatar_title">Vybrat barvu avataru</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Sdílet protokoly</string>
+    <string name="logviewer_refresh">Obnovit</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Zkontrolovat aktualizace</string>
+    <string name="dialog_error_check_update_message">Před hlášením chyby zkontrolujte, zda je k dispozici aktualizace s opravou chyb</string>
+    <!--Generic-->
+    <string name="all_content">Obsah</string>
+    <string name="all_retry">Zkusit znovu</string>
+    <string name="all_description">Popis</string>
+    <string name="all_no_description">Žádný popis</string>
+    <string name="all_teacher">Učitel</string>
+    <string name="all_date">Datum</string>
+    <string name="all_entry_date">Datum vstupu</string>
+    <string name="all_color">Barva</string>
+    <string name="all_details">Podrobnosti</string>
+    <string name="all_category">Kategorie</string>
+    <string name="all_close">Zavřít</string>
+    <string name="all_no_data">Žádná data</string>
+    <string name="all_subject">Předmět</string>
+    <string name="all_prev">Předchozí</string>
+    <string name="all_next">Další</string>
+    <string name="all_search">Hledat</string>
+    <string name="all_search_hint">Hledat…</string>
+    <string name="all_yes">Ano</string>
+    <string name="all_no">Ne</string>
+    <string name="all_save">Uložit</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Žádné lekce</string>
+    <string name="widget_timetable_theme_title">Vybrat motiv</string>
+    <string name="widget_timetable_theme_light">Světlý</string>
+    <string name="widget_timetable_theme_dark">Tmavý</string>
+    <string name="widget_timetable_theme_system">Motiv systému</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Vzhled a chování aplikací</string>
+    <string name="pref_view_list">Výchozí zobrazení</string>
+    <string name="pref_view_grade_average_mode">Výpočet koncoročního průměru</string>
+    <string name="pref_view_grade_average_force_calc">Vynutit průměrný výpočet podle aplikace</string>
+    <string name="pref_view_present">Zobrazit přítomnost</string>
+    <string name="pref_view_app_theme">Motiv</string>
+    <string name="pref_view_expand_grade">Rozbalit známky</string>
+    <string name="pref_view_timetable_show_timers">Označit aktuální lekci</string>
+    <string name="pref_view_timetable_show_groups">Zobrazit skupiny vedle předmětů</string>
+    <string name="pref_view_grade_statistics_list">Zobrazit seznam grafů v známkách třídy</string>
+    <string name="pref_view_timetable_show_whole_class">Zobrazit lekce pro celou třídu</string>
+    <string name="pref_view_subjects_without_grades">Zobrazit předměty bez známek</string>
+    <string name="pref_view_grade_color_scheme">Známky barevné schéma</string>
+    <string name="pref_view_grade_sorting_mode">Třídění předmětů</string>
+    <string name="pref_view_app_language">Jazyk</string>
+    <string name="pref_notify_header">Upozornění</string>
+    <string name="pref_notify_switch">Zobrazit upozornění</string>
+    <string name="pref_notify_upcoming_lessons_switch">Zobrazit upozornění o nadcházející lekci</string>
+    <string name="pref_notify_fix_sync_issues">Opravte problémy se synchronizací a upozorněním</string>
+    <string name="pref_notify_fix_sync_issues_message">Vaše zařízení může mít problémy se synchronizací dat as upozorněními.\n\nChcete-li je opravit, přidejte Wulkanového do funkce Autostart a vypněte optimalizaci/úsporu baterie v nastavení systému telefonu.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Přejít do nastavení</string>
+    <string name="pref_notify_debug_switch">Zobrazit upozornění o ladění</string>
+    <string name="pref_notify_disabled_summary">Synchronizace je vypnutá</string>
+    <string name="pref_services_header">Synchronizace</string>
+    <string name="pref_services_switch">Automatická aktualizace</string>
+    <string name="pref_services_suspended">Pozastaveno na dovolené</string>
+    <string name="pref_services_interval">Interval aktualizací</string>
+    <string name="pref_services_wifi">Pouze Wi-Fi</string>
+    <string name="pref_services_force_sync">Synchronizovat teď</string>
+    <string name="pref_services_message_sync_success">Synchronizováno!</string>
+    <string name="pref_services_message_sync_failed">Synchronizace selhala</string>
+    <string name="pref_services_sync_in_progress">Probíhá synchronizace</string>
+    <string name="pref_other_grade_modifier_plus">Hodnota plusu</string>
+    <string name="pref_other_grade_modifier_minus">Hodnota mínusu</string>
+    <string name="pref_other_fill_message_content">Odpovědět s historií zpráv</string>
+    <string name="pref_settings_advanced_title">Pokročilé</string>
+    <string name="pref_settings_appearance_title">Vzhled a chování</string>
+    <string name="pref_settings_notifications_title">Upozornění</string>
+    <string name="pref_settings_sync_title">Synchronizace</string>
+    <string name="pref_grades_appearance_header">Známky</string>
+    <string name="pref_attendance_appearance_view">Docházka</string>
+    <string name="pref_timetable_appearance_view">Plán lekce</string>
+    <string name="pref_grades_advanced_header">Známky</string>
+    <string name="pref_messages_advanced_header">Zprávy</string>
+    <string name="pref_appearance_category">Vzhled a chování</string>
+    <string name="pref_appearance_category_summary">Jazyky, motivy, třídění předmětů</string>
+    <string name="pref_notifications_category_summary">Upozornění aplikace, oprava problémů</string>
+    <string name="pref_notifications_category">Upozornění</string>
+    <string name="pref_sync_category">Synchronizace</string>
+    <string name="pref_sync_category_summary">Automatická aktualizace, interval aktualizací</string>
+    <string name="pref_advanced_category_summary">Hodnota plusu a mínusu, výpočet průměru</string>
+    <string name="pref_advanced_category">Pokročilé</string>
+    <string name="pref_about_category_summary">Verze aplikace, tvůrci, sociální portály, licence</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Nové položky v deníku</string>
+    <string name="channel_new_grades">Nové známky</string>
+    <string name="channel_lucky_number">Šťastné číslo</string>
+    <string name="channel_new_message">Nové zprávy</string>
+    <string name="channel_new_notes">Nové poznámky</string>
+    <string name="channel_push">Push upozornění</string>
+    <string name="channel_upcoming_lessons">Nadcházející lekce</string>
+    <string name="channel_debug">Ladění</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Konec podpory</string>
+    <string name="drop_kitkat_content">Ukončujeme podporu pro vaše zařízení. V Wulkanovým už pro něj nebudou žádné nové funkce. Kritické opravy však budeme vydávat až do konce roku 2021, abyste měli čas přejít na novější model</string>
+    <string name="drop_kitkat_again">Nezobrazovat znovu</string>
+    <!--Colors-->
+    <string name="all_black">Černý</string>
+    <string name="all_red">Červený</string>
+    <string name="all_blue">Modrý</string>
+    <string name="all_green">Zelený</string>
+    <string name="all_purple">Fialový</string>
+    <string name="all_empty_color">Žádná barva</string>
+    <!--Others-->
+    <string name="all_copied">Zkopírováno</string>
+    <string name="all_undo">Vrátit</string>
+    <!--Update helper-->
+    <string name="update_download_started">Stahování aktualizací začalo…</string>
+    <string name="update_download_success">Aktualizace byla stažena.</string>
+    <string name="update_download_success_button">Restartovat</string>
+    <string name="update_failed">Aktualizace selhala! Wulkanowy nemusí fungovat správně. Zvažte aktualizaci</string>
+    <!--Errors-->
+    <string name="error_no_internet">Žádné internetové připojení</string>
+    <string name="error_timeout">Nelze se připojit ke deníku. Servery mohou být přetíženy. Prosím zkuste to znovu později</string>
+    <string name="error_login_failed">Načítání dat se nezdařilo. Prosím zkuste to znovu později</string>
+    <string name="error_password_change_required">Je vyžadována změna hesla pro deník</string>
+    <string name="error_service_unavailable">Probíhá údržba UONET+ deník. Zkuste to později znovu</string>
+    <string name="error_unknown_uonet">Neznámá chyba denika UONET+. Prosím zkuste to znovu později</string>
+    <string name="error_unknown_app">Neznámá chyba aplikace. Prosím zkuste to znovu později</string>
+    <string name="error_unknown">Vyskytla se neočekávaná chyba</string>
+    <string name="error_feature_disabled">Funkce je deaktivována přes vaší školou</string>
+    <string name="error_feature_not_available">Funkce není k dispozici. Přihlaste se v jiném režimu než Mobile API</string>
+</resources>
diff --git a/app/src/main/res/values-de-v29/preferences_values.xml b/app/src/main/res/values-de-v29/preferences_values.xml
new file mode 100644
index 000000000..c07650d6b
--- /dev/null
+++ b/app/src/main/res/values-de-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>System Thema</item>
+        <item>Licht</item>
+        <item>Dunkel</item>
+        <item>Schwarz (AMOLED)</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-de/preferences_values.xml b/app/src/main/res/values-de/preferences_values.xml
new file mode 100644
index 000000000..f578ff11f
--- /dev/null
+++ b/app/src/main/res/values-de/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Licht</item>
+        <item>Dunkel</item>
+        <item>Schwarz (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>System Sprache</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 Minuten</item>
+        <item>30 Minuten</item>
+        <item>1 Stunde</item>
+        <item>2 Stunden</item>
+        <item>6 Stunden</item>
+        <item>12 Stunden</item>
+        <item>24 Stunden</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,0</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Alphabetisch</item>
+        <item>Nach Datum</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Farben der Bewertungen im Logbuch</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Durchschnittsnote für das 2. Semester</item>
+        <item>Durchschnitt der Noten aus beiden Semestern</item>
+        <item>Durchschnitt der Noten aus dem ganzen Jahr</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Nicht zeigen</item>
+        <item>Alle zeigen</item>
+        <item>Zeigen die reduzierte</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
new file mode 100644
index 000000000..2880996a8
--- /dev/null
+++ b/app/src/main/res/values-de/strings.xml
@@ -0,0 +1,499 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Anmelden</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Noten</string>
+    <string name="attendance_title">Schulbesuch</string>
+    <string name="exam_title">Prüfungen</string>
+    <string name="timetable_title">Zeitplan</string>
+    <string name="settings_title">Einstellungen</string>
+    <string name="more_title">Mehr</string>
+    <string name="about_title">Über die Applikation</string>
+    <string name="logviewer_title">Log Viewer</string>
+    <string name="contributors_title">Mitarbeiter</string>
+    <string name="license_title">Lizenzen</string>
+    <string name="message_title">Nachrichten</string>
+    <string name="send_message_title">neue Nachricht</string>
+    <string name="note_title">Eintragen und Erfolgen</string>
+    <string name="homework_title">Hausaufgaben</string>
+    <string name="account_title">Konten-Manager</string>
+    <string name="account_quick_title">Konto auswählen</string>
+    <string name="account_details_title">Kontodetails</string>
+    <string name="student_info_title">Schülerinfo</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semester %1$d, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Melden Sie sich mit dem Studenten- oder Elternkonto an</string>
+    <string name="login_header_symbol">Geben Sie das Symbol von der Registerseite ein</string>
+    <string name="login_nickname_hint">Benutzername</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Anmeldung, PESEL oder e-mail</string>
+    <string name="login_password_hint">Passwort</string>
+    <string name="login_host_hint">UONET+ Registervariante</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybride</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">API Schlüssel</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Anmelden</string>
+    <string name="login_invalid_password">Passwort ist zu kurz</string>
+    <string name="login_incorrect_password">Anmeldedaten sind falsch. Stellen Sie sicher, dass die richtige UONET+ Registervariation im unteren Feld ausgewählt ist</string>
+    <string name="login_invalid_pin">Ungültige PIN</string>
+    <string name="login_invalid_token">Ungültige token</string>
+    <string name="login_expired_token">Token ist nicht mehr gültig</string>
+    <string name="login_invalid_email">Ungültige email</string>
+    <string name="login_invalid_login">Den zugewiesenen Login anstelle von email verwenden</string>
+    <string name="login_invalid_custom_email">Benutze den zugewiesenen Login oder E-Mail in @%1$s</string>
+    <string name="login_invalid_symbol">Ungültige symbol</string>
+    <string name="login_incorrect_symbol">Schüler nicht gefunden. Überprüfen Sie das Symbol und die gewählte Variation des UONET+ Registers</string>
+    <string name="login_field_required">Dieses Datenfeld ist erforderlich</string>
+    <string name="login_duplicate_student">Ausgewählter Student ist bereits angemeldet.</string>
+    <string name="login_symbol_helper">Das Symbol kann auf der Registerseite in&#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>gefunden werden.\n\nStellen Sie sicher, dass Sie die entsprechende Registervariante im Feld <b>UONET+ Registervariante</b> auf dem vorherigen Bildschirm festgelegt haben. Wulkanowy erkennt zur Zeit keine Vorschulstudenten</string>
+    <string name="login_select_student">Wählen Sie die Studenten aus, die sich bei der Anwendung anmelden sollen.</string>
+    <string name="login_advanced">Andere Optionen</string>
+    <string name="login_advanced_warning_mobile_api">In diesem Modus funktioniert eine Glücknummer, eine Klassenstatistik, eine Zusammenfassung der Anwesenheit, eine Entschuldigung für die Abwesenheit, abgeschlossene Lektionen, Schulinformationen und eine Vorschau der Liste der registrierten Geräte nicht</string>
+    <string name="login_advanced_warning_scraper">In diesem Modus werden dieselben Daten angezeigt, die auf der Klassenbuch-Website angezeigt werden</string>
+    <string name="login_advanced_warning_hybrid">Die Kombination der besten Eigenschaften der beiden anderen Modus. Es arbeitet schneller als Scraper und bietet Funktionen, die im mobilen API-Modus nicht verfügbar sind. Es ist in der experimentellen Phase</string>
+    <string name="login_privacy_policy">Datenschutzerklärung</string>
+    <string name="login_contact_header">Probleme bei der Anmeldung? Kontaktieren Sie uns!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">email senden</string>
+    <string name="login_email_details">Beschreiben Sie die Details des Problems:</string>
+    <string name="login_recover_warning">Stellen Sie sicher, dass Sie die richtige UONET+ Registervariation wählen!</string>
+    <string name="login_recover_button">Ich habe mein Passwort vergessen.</string>
+    <string name="login_recover_title">Ihr Konto wiederherstellen</string>
+    <string name="login_recover">Wiederherstellen</string>
+    <string name="login_signed_in">Student ist bereits angemeldet</string>
+    <!--Main-->
+    <string name="main_account_picker">Kundenbetreuer</string>
+    <string name="main_log_in">Anmelden</string>
+    <string name="main_session_expired">Die Sitzung ist abgelaufen</string>
+    <string name="main_session_relogin">Die Sitzung ist abgelaufen, bitte loggen Sie sich erneut ein</string>
+    <!--Grade-->
+    <string name="grade_header">Note</string>
+    <string name="grade_semester">Semester %d</string>
+    <string name="grade_switch_semester">Semester wechseln</string>
+    <string name="grade_no_items">Keine Noten</string>
+    <string name="grade_weight">Gewichtung</string>
+    <string name="grade_weight_value">Gewichtung: %s</string>
+    <string name="grade_comment">Kommentar</string>
+    <string name="grade_no_new_items">Keine neuen Noten</string>
+    <string name="grade_number_new_items">Anzahl der neuen Bewertungen: %1$d</string>
+    <string name="grade_average">Durchschnitt: %1$.2f</string>
+    <string name="grade_points_sum">Punkte: %s</string>
+    <string name="grade_no_average">Kein Durchschnitt</string>
+    <string name="grade_predicted">Vorausgesagt: %1$s</string>
+    <string name="grade_final">Finale: %1$s</string>
+    <string name="grade_summary_points">Gesamtpunkte</string>
+    <string name="grade_summary_final_grade">Finaler Note</string>
+    <string name="grade_summary_predicted_grade">Vorhergesagte Note</string>
+    <string name="grade_summary_calculated_average">Berechnender Durchschnitt</string>
+    <string name="grade_summary_final_average">Finaler Durchschnitt</string>
+    <string name="grade_menu_summary">Zusammenfassung</string>
+    <string name="grade_menu_statistics">Klasse</string>
+    <string name="grade_menu_read">Als gelesen markieren</string>
+    <string name="grade_statistics_partial">Partiell</string>
+    <string name="grade_statistics_semester">Semester</string>
+    <string name="grade_statistics_points">Punkte</string>
+    <string name="grade_statistics_legend">Legende</string>
+    <string name="grade_statistics_average">Durchschnitt: %1$s</string>
+    <string name="grade_statistics_average_class">Klasse</string>
+    <string name="grade_statistics_average_student">Schüler</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d Note</item>
+        <item quantity="other">%d Noten</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Neue Note</item>
+        <item quantity="other">Neue Noten</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Neue vorhergesagte Note</item>
+        <item quantity="other">Neue vorhergesagte Noten</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Neue Abschlussnote</item>
+        <item quantity="other">Neue Abschlussnoten</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Du hast %1$d Note bekommen</item>
+        <item quantity="other">Du hast %1$d Noten bekommen</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Sie haben %1$d vorhergesagte Note bekommen</item>
+        <item quantity="other">Sie haben %1$d vorhergesagte Noten bekommen</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Sie haben %1$d Abschlussnote bekommen</item>
+        <item quantity="other">Sie haben %1$d Abschlussnoten bekommen</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Lektion</string>
+    <string name="timetable_room">Klassenzimmer</string>
+    <string name="timetable_group">Gruppe</string>
+    <string name="timetable_time">Stunden</string>
+    <string name="timetable_changes">Änderungen</string>
+    <string name="timetable_no_items">Kein Unterricht an diesem Tag</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sek</string>
+    <string name="timetable_time_left">noch %1$s</string>
+    <string name="timetable_time_until">in %1$s</string>
+    <string name="timetable_finished">Fertig</string>
+    <string name="timetable_now">Jetzt: %s</string>
+    <string name="timetable_next">In einem Moment: %s</string>
+    <string name="timetable_later">Später: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Beendete Lektionen</string>
+    <string name="completed_lessons_button">Beendete Lektionen anzeigen</string>
+    <string name="completed_lessons_no_items">Keine Informationen über beendete Lektionen</string>
+    <string name="completed_lessons_topic">Thema</string>
+    <string name="completed_lessons_absence">Abwesenheit</string>
+    <string name="completed_lessons_resources">Ressourcen</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Zusätzliche Lektionen</string>
+    <string name="additional_lessons_button">Zusätzliche Lektionen anzeigen</string>
+    <string name="additional_lessons_no_items">Keine Infos zu zusätzlichen Lektionen</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Übersicht über die Schulbesuch</string>
+    <string name="attendance_absence_school">Aus schulischen Gründen abwesend</string>
+    <string name="attendance_absence_excused">Entschuldigte Abwesenheit</string>
+    <string name="attendance_absence_unexcused">Unentschuldigtes Abwesenheit</string>
+    <string name="attendance_exemption">Befreiung</string>
+    <string name="attendance_excused_lateness">Entschuldigte Verspätung</string>
+    <string name="attendance_unexcused_lateness">Unentschuldigte Verspätung</string>
+    <string name="attendance_present">Anwesend</string>
+    <string name="attendance_deleted">Entfernt</string>
+    <string name="attendance_unknown">Unbekannt</string>
+    <string name="attendance_number">Lektion Nummer</string>
+    <string name="attendance_no_items">Keine Einträgen</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d abwesenheit</item>
+        <item quantity="other">%1$d Abwesenheiten</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Abwesenheitsgrund (optional)</string>
+    <string name="attendance_excuse_dialog_submit">Senden</string>
+    <string name="attendance_excuse_success">Abwesenheitsentschuldigungsanfrage erfolgreich gesendet!</string>
+    <string name="attendance_excuse_no_selection">Sie müssen mindestens eine Abwesenheit auswählen!</string>
+    <string name="attendance_excuse_title">Verzeihung</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Schulbesuch</string>
+    <string name="attendance_summary_total">Gesamt</string>
+    <!--Exam-->
+    <string name="exam_no_items">Diese Woche keine Prüfungen</string>
+    <string name="exam_type">Form</string>
+    <string name="exam_entry_date">Eintrittsdatum</string>
+    <!--Message-->
+    <string name="message_inbox">Posteingang</string>
+    <string name="message_sent">Gesendet</string>
+    <string name="message_trash">Korb</string>
+    <string name="message_no_subject">(kein Thema)</string>
+    <string name="message_no_items">Keine Nachrichten</string>
+    <string name="message_preview_error">Beim Herunterladen des Nachrichteninhalts ist ein Fehler aufgetreten</string>
+    <string name="message_from">Von:</string>
+    <string name="message_to">An:</string>
+    <string name="message_date">Datum: %s</string>
+    <string name="message_reply">Antwort</string>
+    <string name="message_forward">Weiterleiten</string>
+    <string name="message_delete">Löschen</string>
+    <string name="message_move_to_bin">In den Korb wandern</string>
+    <string name="message_delete_forever">Dauerhaft löschen</string>
+    <string name="message_delete_success">Nachricht erfolgreich gelöscht</string>
+    <string name="message_share">Teilen</string>
+    <string name="message_print">Drucken</string>
+    <string name="message_subject">Thema</string>
+    <string name="message_content">Inhalt</string>
+    <string name="message_send_successful">Nachricht erfolgreich gesendet</string>
+    <string name="message_not_exists">Nachricht existiert nicht</string>
+    <string name="message_required_recipients">Sie müssen mindestens 1 Empfänger auswählen.</string>
+    <string name="message_content_min_length">Der Inhalt der Nachricht muss mindestens 3 Zeichen lang sein.</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d nachricht</item>
+        <item quantity="other">%d nachrichten</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Neu nachricht</item>
+        <item quantity="other">Neue nachrichten</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Du hast %1$d nachricht bekommen</item>
+        <item quantity="other">Du hast %1$d nachrichten bekommen</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Keine Informationen über Eintragen</string>
+    <string name="note_points">Punkte</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d Eintrag</item>
+        <item quantity="other">%d Eintragen</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Neu Eintrag</item>
+        <item quantity="other">Neue Eintragen</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">Du hast %1$d Eintrag bekommen</item>
+        <item quantity="other">Du hast %1$d Eintragen bekommen</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d Lob</item>
+        <item quantity="other">%d Lob</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Neues Lob</item>
+        <item quantity="other">Neues Lob</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Du hast %1$d Lob erhalten</item>
+        <item quantity="other">Du hast %1$d Lob erhalten</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutrale Notiz</item>
+        <item quantity="other">%d neutrale Notizen</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Neue neutrale Notiz</item>
+        <item quantity="other">Neue neutrale Notizen</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Du hast %1$d neutrale Notiz erhalten</item>
+        <item quantity="other">Du hast %1$d neutrale Notizen erhalten</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Keine Informationen über Hausaufgaben</string>
+    <string name="homework_mark_as_done">Gemacht</string>
+    <string name="homework_mark_as_undone">Unvollständig</string>
+    <string name="homework_attachments">Anhänge</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Glückliche Nummer</string>
+    <string name="lucky_number_header">Die heutige Glücksnummer ist </string>
+    <string name="lucky_number_empty">Keine Information über die Glücksnummer.</string>
+    <string name="lucky_number_notify_new_item_title">Glücksnummer für heute</string>
+    <string name="lucky_number_notify_new_item">Die heutige Glücksnummer ist: %d</string>
+    <string name="lucky_number_history_button">Verlauf anzeigen</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Glücksnummerverlauf</string>
+    <string name="lucky_number_history_empty">Keine Information über die Glücksnummer</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Mobile Geräte</string>
+    <string name="mobile_devices_no_items">Keine Geräte</string>
+    <string name="mobile_devices_unregister">Abmelden</string>
+    <string name="mobile_device_removed">Gerät entfernt</string>
+    <string name="mobile_device_qr">QR Code</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Schule und Lehrer</string>
+    <!--School-->
+    <string name="school_title">Schule</string>
+    <string name="school_no_info">Keine Informationen über die Schule</string>
+    <string name="school_name">Name der Schule</string>
+    <string name="school_address">Adresse der Schule</string>
+    <string name="school_telephone">Telefon</string>
+    <string name="school_headmaster">Name des Schulleiters</string>
+    <string name="school_pedagogue">Name des Pädagogen</string>
+    <string name="school_address_button">Auf Karte anzeigen</string>
+    <string name="school_telephone_button">Rufen Sie an</string>
+    <!--Teacher-->
+    <string name="teachers_title">Lehrerinnen und Lehrer</string>
+    <string name="teacher_no_items">Keine Informationen über Lehrer</string>
+    <string name="teacher_no_subject">Kein Thema</string>
+    <!--Conference-->
+    <string name="conferences_title">Sitzungen</string>
+    <string name="conference_no_items">Keine Informationen über Sitzungen</string>
+    <!--Account-->
+    <string name="account_add_new">Konto hinzufügen</string>
+    <string name="account_logout">Abmelden</string>
+    <string name="account_confirm">Wollen Sie diesen Schüler abmelden?</string>
+    <string name="account_logout_student">Abmeldung von Student</string>
+    <string name="account_type_student">Studentenkonto</string>
+    <string name="account_type_parent">Elternkonto</string>
+    <string name="account_login_mobile_api">Mobiler API Modus</string>
+    <string name="account_login_hybrid">Hybrid Modus</string>
+    <string name="account_details_edit">Daten bearbeiten</string>
+    <string name="account_quick_manager">Konten-Manager</string>
+    <string name="account_select_student">Schüler auswählen</string>
+    <string name="account_family">Familie</string>
+    <string name="account_contact">Kontakt</string>
+    <string name="account_address">Wohnungsdetails</string>
+    <string name="account_personal_data">Persönliche Information</string>
+    <!--About-->
+    <string name="about_version">Version der App</string>
+    <string name="about_contributor">Mitarbeiter</string>
+    <string name="about_contributor_summary">Liste der Wulkanowy-Entwickler</string>
+    <string name="about_feedback">Melden Sie einen Fehler</string>
+    <string name="about_feedback_summary">Senden Sie einen Fehlerbericht per E-Mail</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Lesen Sie Häufig gestellte Fragen</string>
+    <string name="about_discord">Discord server</string>
+    <string name="about_discord_summary">Treten Sie der Wulkanowy-Gemeinschaft bei</string>
+    <string name="about_facebook">Facebook fanpage</string>
+    <string name="about_facebook_summary">Gefällt unsere Facebook-Fanpage</string>
+    <string name="about_privacy">Datenschutzerklärung</string>
+    <string name="about_privacy_summary">Regeln für die Sammlung persönlicher Daten</string>
+    <string name="about_homepage">Startseite</string>
+    <string name="about_homepage_summary">Besuchen Sie die Website und helfen Sie bei der Entwicklung der Anwendung</string>
+    <string name="about_licenses">Lizenzen</string>
+    <string name="about_licenses_summary">Lizenzen der in der Anwendung verwendeten Bibliotheken</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Lizenz</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Benutzerbild</string>
+    <string name="contributor_see_more">Sehen Sie mehr auf GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Keine Informationen über Schüler- oder Studentenfamilie</string>
+    <string name="student_info_first_name">Name</string>
+    <string name="student_info_second_name">Zweite Name</string>
+    <string name="student_info_gender">Geschlecht</string>
+    <string name="student_info_polish_citizenship">Polnische Staatsbürgerschaft</string>
+    <string name="student_info_family_name">Familienname</string>
+    <string name="student_info_parents_name">Namen von Mutter und Vater</string>
+    <string name="student_info_phone">Telefonnummer</string>
+    <string name="student_info_cellphone">Mobiltelefonnummer</string>
+    <string name="student_info_email">E-Mail</string>
+    <string name="student_info_address">Wohnadresse</string>
+    <string name="student_info_registered_address">Adresse der Registrierung</string>
+    <string name="student_info_correspondence_address">Korrespondenzadresse</string>
+    <string name="student_info_full_name">Nachname und Vorname</string>
+    <string name="student_info_kinship">Verwandtschaftsgrad</string>
+    <string name="student_info_guardian_address">Adresse</string>
+    <string name="student_info_phones">Telefonnummern</string>
+    <string name="student_info_male">Mann</string>
+    <string name="student_info_female">Frau</string>
+    <string name="student_info_last_name">Nachname</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Nick</string>
+    <string name="account_edit_header">Nick hinzufügen</string>
+    <string name="account_edit_avatar_title">Avatar-Farbe wählen</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Logs teilen</string>
+    <string name="logviewer_refresh">Aktualisieren</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Auf Updates prüfen</string>
+    <string name="dialog_error_check_update_message">Bevor Sie einen Fehler melden, prüfen Sie zuerst, ob ein Update mit der Fehlerbehebung verfügbar ist</string>
+    <!--Generic-->
+    <string name="all_content">Inhalt</string>
+    <string name="all_retry">Wiederhol</string>
+    <string name="all_description">Beschreibung</string>
+    <string name="all_no_description">Keine Beschreibung</string>
+    <string name="all_teacher">Lehrer</string>
+    <string name="all_date">Datum</string>
+    <string name="all_entry_date">Eintrittsdatum</string>
+    <string name="all_color">Farbe</string>
+    <string name="all_details">Einzelheiten</string>
+    <string name="all_category">Kategorie</string>
+    <string name="all_close">Schließ</string>
+    <string name="all_no_data">Keine Daten</string>
+    <string name="all_subject">Schulfach</string>
+    <string name="all_prev">Zurück</string>
+    <string name="all_next">Nächste</string>
+    <string name="all_search">Suchen</string>
+    <string name="all_search_hint">Suchen…</string>
+    <string name="all_yes">Ja</string>
+    <string name="all_no">Nein</string>
+    <string name="all_save">Speichern</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Keine Lektionen</string>
+    <string name="widget_timetable_theme_title">Thema wählen</string>
+    <string name="widget_timetable_theme_light">Licht</string>
+    <string name="widget_timetable_theme_dark">Dunkel</string>
+    <string name="widget_timetable_theme_system">Systemthema</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Aussehen &amp; Verhalten</string>
+    <string name="pref_view_list">Standard Ansicht</string>
+    <string name="pref_view_grade_average_mode">Berechnung des Jahresenddurchschnitts</string>
+    <string name="pref_view_grade_average_force_calc">Mittelwertberechnung durch App erzwingen</string>
+    <string name="pref_view_present">Anwesendheit zeigen</string>
+    <string name="pref_view_app_theme">Thema</string>
+    <string name="pref_view_expand_grade">Noten erweitern</string>
+    <string name="pref_view_timetable_show_timers">Aktuelle Lektion markieren</string>
+    <string name="pref_view_timetable_show_groups">Gruppen neben Schulfächen anzeigen</string>
+    <string name="pref_view_grade_statistics_list">Liste der Diagramme in Klassenbewertungen anzeigen</string>
+    <string name="pref_view_timetable_show_whole_class">Unterricht der ganzen Klasse anzeigen</string>
+    <string name="pref_view_subjects_without_grades">Schulfächer ohne Noten anzeigen</string>
+    <string name="pref_view_grade_color_scheme">Farbschema der Noten</string>
+    <string name="pref_view_grade_sorting_mode">Schulfachen sortieren</string>
+    <string name="pref_view_app_language">Sprache</string>
+    <string name="pref_notify_header">Benachrichtigungen</string>
+    <string name="pref_notify_switch">Benachrichtigungen anzeigen</string>
+    <string name="pref_notify_upcoming_lessons_switch">Benachrichtigungen über bevorstehende Lektionen anzeigen</string>
+    <string name="pref_notify_fix_sync_issues">Synchronisierungs- und Benachrichtigungsprobleme reparieren</string>
+    <string name="pref_notify_fix_sync_issues_message">Ihr Gerät hat möglicherweise Probleme mit der Datensynchronisierung und Benachrichtigungen.\n\nUm diese zu reparieren, fügen Sie Wulkanowy zum Autostart hinzu und deaktivieren Sie die Batterieoptimierung in den Systemeinstellungen des Geräts.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Gehe zu den Einstellungen</string>
+    <string name="pref_notify_debug_switch">Debug-Benachrichtigungen anzeigen</string>
+    <string name="pref_notify_disabled_summary">Synchronisierung ist deaktiviert</string>
+    <string name="pref_services_header">Synchronisierung</string>
+    <string name="pref_services_switch">Automatische Aktualisierung</string>
+    <string name="pref_services_suspended">An Feiertagen suspendiert</string>
+    <string name="pref_services_interval">Aktualisierungsintervall</string>
+    <string name="pref_services_wifi">Nur Wi-Fi</string>
+    <string name="pref_services_force_sync">Jetzt synchronisieren</string>
+    <string name="pref_services_message_sync_success">Synchronisiert!</string>
+    <string name="pref_services_message_sync_failed">Synchronisierung fehlgeschlagen</string>
+    <string name="pref_services_sync_in_progress">Synchronisierung läuft</string>
+    <string name="pref_other_grade_modifier_plus">Wert des Plus</string>
+    <string name="pref_other_grade_modifier_minus">Wert des Minus</string>
+    <string name="pref_other_fill_message_content">Antwort mit Nachrichtenhistorie</string>
+    <string name="pref_settings_advanced_title">Erweitert</string>
+    <string name="pref_settings_appearance_title">Aussehen &amp; Verhalten</string>
+    <string name="pref_settings_notifications_title">Benachrichtigungen</string>
+    <string name="pref_settings_sync_title">Synchronisierung</string>
+    <string name="pref_grades_appearance_header">Noten</string>
+    <string name="pref_attendance_appearance_view">Schulbesuch</string>
+    <string name="pref_timetable_appearance_view">Zeitplan</string>
+    <string name="pref_grades_advanced_header">Noten</string>
+    <string name="pref_messages_advanced_header">Nachrichten</string>
+    <string name="pref_appearance_category">Aussehen &amp; Verhalten</string>
+    <string name="pref_appearance_category_summary">Sprachen, Themen, Schulfachen sortieren</string>
+    <string name="pref_notifications_category_summary">App-Benachrichtigungen, Probleme beheben</string>
+    <string name="pref_notifications_category">Benachrichtigungen</string>
+    <string name="pref_sync_category">Synchronisierung</string>
+    <string name="pref_sync_category_summary">Automatisches Update, Synchronisierungsintervall</string>
+    <string name="pref_advanced_category_summary">Plus und Minus Werte, Durchschnittsberechnung</string>
+    <string name="pref_advanced_category">Erweitert</string>
+    <string name="pref_about_category_summary">App-Version, Mitarbeiter, soziale Portale, Lizenzen</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Neue Einträge im Klassenbuch</string>
+    <string name="channel_new_grades">Neue Noten</string>
+    <string name="channel_lucky_number">Glückliche Nummer</string>
+    <string name="channel_new_message">Neue Nachrichten</string>
+    <string name="channel_new_notes">Neue Eintragen</string>
+    <string name="channel_push">Push-Benachrichtigungen</string>
+    <string name="channel_upcoming_lessons">Bevorstehende Lektionen</string>
+    <string name="channel_debug">Debuggen</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Ende der Unterstützung</string>
+    <string name="drop_kitkat_content">Wir beenden die Unterstützung für dein Gerät. Es werden keine neuen Funktionen mehr in Wulkanowy erscheinen. Allerdings werden wir bis Ende 2021 kritische Patches veröffentlichen, so dass du Zeit hast, zu einem neueren Modell zu wechseln</string>
+    <string name="drop_kitkat_again">Nicht mehr fragen</string>
+    <!--Colors-->
+    <string name="all_black">Schwarz</string>
+    <string name="all_red">Rot</string>
+    <string name="all_blue">Blau</string>
+    <string name="all_green">Grün</string>
+    <string name="all_purple">Violett</string>
+    <string name="all_empty_color">Keine Farbe</string>
+    <!--Others-->
+    <string name="all_copied">Kopiert</string>
+    <string name="all_undo">lösen</string>
+    <!--Update helper-->
+    <string name="update_download_started">Download der Updates wurde gestartet…</string>
+    <string name="update_download_success">Ein Update wurde gerade heruntergeladen.</string>
+    <string name="update_download_success_button">Neustart</string>
+    <string name="update_failed">Update fehlgeschlagen! Wulkanowy funktioniert möglicherweise nicht richtig. Überlegen Sie die Aktualisierung</string>
+    <!--Errors-->
+    <string name="error_no_internet">Keine Internetverbindung</string>
+    <string name="error_timeout">Registrierungsverbindung fehlgeschlagen. Server können überlastet sein. Bitte versuchen Sie es später noch einmal</string>
+    <string name="error_login_failed">Das Laden der Daten ist fehlgeschlagen. Bitte versuchen Sie es später noch einmal</string>
+    <string name="error_password_change_required">Passwortänderung für Registrierung erforderlich</string>
+    <string name="error_service_unavailable">Wartung im Gange UONET + Klassenbuch. Versuchen Sie es später noch einmal</string>
+    <string name="error_unknown_uonet">Unbekannter UONET + Registerfehler. Versuchen Sie es später erneut</string>
+    <string name="error_unknown_app">Unbekannter Anwendungsfehler. Bitte versuchen Sie es später noch einmal</string>
+    <string name="error_unknown">Ein unerwarteter Fehler ist aufgetreten</string>
+    <string name="error_feature_disabled">Funktion, die von Ihrer Schule deaktiviert wurde</string>
+    <string name="error_feature_not_available">Feature in diesem Modus nicht verfügbar</string>
+</resources>
diff --git a/app/src/main/res/values-lt-v29/preferences_values.xml b/app/src/main/res/values-lt-v29/preferences_values.xml
new file mode 100644
index 000000000..18cbd4cf5
--- /dev/null
+++ b/app/src/main/res/values-lt-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Sistemos tema</item>
+        <item>Šviesi</item>
+        <item>Tamsi</item>
+        <item>Juoda (AMOLED)</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-lt/preferences_values.xml b/app/src/main/res/values-lt/preferences_values.xml
new file mode 100644
index 000000000..fcb637d23
--- /dev/null
+++ b/app/src/main/res/values-lt/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Šviesi</item>
+        <item>Tamsi</item>
+        <item>Juoda (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Sistemos kalba</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 minučių</item>
+        <item>30 minučių</item>
+        <item>1 valandą</item>
+        <item>2 valandas</item>
+        <item>6 valandas</item>
+        <item>12 valandas</item>
+        <item>24 valandas</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,00</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Pagal abėcėlę</item>
+        <item>Pagal datą</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Laipsnio spalvos registre</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Antrojo semestro laipsnių vidurkis</item>
+        <item>Abiejų semestrų laipsnių vidurkis</item>
+        <item>Visų metų laipsnių vidurkis</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Nerodyti</item>
+        <item>Rodyti viską</item>
+        <item>Rodyti mažesnį</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
new file mode 100644
index 000000000..424cc2523
--- /dev/null
+++ b/app/src/main/res/values-lt/strings.xml
@@ -0,0 +1,539 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Prisijungti</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Laipsnis</string>
+    <string name="attendance_title">Attendance</string>
+    <string name="exam_title">Exams</string>
+    <string name="timetable_title">Timetable</string>
+    <string name="settings_title">Nustatymai</string>
+    <string name="more_title">Daugiau</string>
+    <string name="about_title">Apie</string>
+    <string name="logviewer_title">Peržiūrėti žurnalą</string>
+    <string name="contributors_title">Prisidėję</string>
+    <string name="license_title">Licencijos</string>
+    <string name="message_title">Žinutės</string>
+    <string name="send_message_title">Nauja žinutė</string>
+    <string name="note_title">Pastabos ir pasiekimai</string>
+    <string name="homework_title">Namų darbai</string>
+    <string name="account_title">Paskyros valdymas</string>
+    <string name="account_quick_title">Pasirinkite paskyrą</string>
+    <string name="account_details_title">Paskyros informacija</string>
+    <string name="student_info_title">Studentų informacija</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semestras %1$d, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Sign in with the student or parent account</string>
+    <string name="login_header_symbol">Enter the symbol from the register page</string>
+    <string name="login_nickname_hint">Vartotojo vardas</string>
+    <string name="login_email_hint">El. paštas</string>
+    <string name="login_login_pesel_email_hint">Prisijunkite, PESEL arba el. paštas</string>
+    <string name="login_password_hint">Slaptažodis</string>
+    <string name="login_host_hint">UONET+ register variant</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hibridas</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">API raktas</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Prisijungti</string>
+    <string name="login_invalid_password">Slaptažodis per trumpas</string>
+    <string name="login_incorrect_password">Login details are incorrect. Make sure the correct UONET+ register variation is selected in the field below</string>
+    <string name="login_invalid_pin">Netinkamas PIN kodas</string>
+    <string name="login_invalid_token">Invalid token</string>
+    <string name="login_expired_token">Token expired</string>
+    <string name="login_invalid_email">Neteisingas el. paštas</string>
+    <string name="login_invalid_login">Use the assigned login instead of email</string>
+    <string name="login_invalid_custom_email">Use the assigned login or email in @%1$s</string>
+    <string name="login_invalid_symbol">Netinkamas simbolis</string>
+    <string name="login_incorrect_symbol">Student not found. Validate the symbol and the chosen variation of the UONET+ register</string>
+    <string name="login_field_required">This field is required</string>
+    <string name="login_duplicate_student">Selected student is already logged in</string>
+    <string name="login_symbol_helper">The symbol can be found on the register page in&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nMake sure that you have set the appropriate register variant in the <b>UONET+ register variant</b> field on the previous screen. Wulkanowy does not detect pre-school students at the moment</string>
+    <string name="login_select_student">Select students to log in to the application</string>
+    <string name="login_advanced">Papildomi nustatymai</string>
+    <string name="login_advanced_warning_mobile_api">In this mode, a lucky number does not work, a class grade stats, summary of attendance, excuse for absence, completed lessons, school information and preview of the list of registered devices</string>
+    <string name="login_advanced_warning_scraper">This mode displays the same data as it appears on the register website</string>
+    <string name="login_advanced_warning_hybrid">The combination of the best features of the other two modes. It works faster than scraper and provides features not available in the Mobile API mode. It is in the experimental phase</string>
+    <string name="login_privacy_policy">Privatumo politika</string>
+    <string name="login_contact_header">Trouble signing in? Contact us!</string>
+    <string name="login_contact_email">El. paštas</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Send email</string>
+    <string name="login_email_details">Describe details of problem:</string>
+    <string name="login_recover_warning">Make sure you select the correct UONET+ register variation!</string>
+    <string name="login_recover_button">I forgot my password</string>
+    <string name="login_recover_title">Recover your account</string>
+    <string name="login_recover">Atkurti</string>
+    <string name="login_signed_in">Student is already signed in</string>
+    <!--Main-->
+    <string name="main_account_picker">Paskyros valdymas</string>
+    <string name="main_log_in">Prisijungti</string>
+    <string name="main_session_expired">Sesijos laikas baigėsi</string>
+    <string name="main_session_relogin">Sesijos laikas baigėsi, prašome prisijungti iš naujo</string>
+    <!--Grade-->
+    <string name="grade_header">Laipsnis</string>
+    <string name="grade_semester">Semestras %d</string>
+    <string name="grade_switch_semester">Keisti semestrą</string>
+    <string name="grade_no_items">Jokių laipsnių</string>
+    <string name="grade_weight">Svoris</string>
+    <string name="grade_weight_value">Svoris: %s</string>
+    <string name="grade_comment">Pastabos</string>
+    <string name="grade_no_new_items">Jokių naujų laipsnių</string>
+    <string name="grade_number_new_items">Number of new ratings: %1$d</string>
+    <string name="grade_average">Vidurkis: %1$.2f</string>
+    <string name="grade_points_sum">Puantai: %s</string>
+    <string name="grade_no_average">Jokiu vidurkis</string>
+    <string name="grade_predicted">Numatomas: %1$s</string>
+    <string name="grade_final">Galutinis: %1$s</string>
+    <string name="grade_summary_points">Bendras punktų skaičius</string>
+    <string name="grade_summary_final_grade">Galutinis laipsnis</string>
+    <string name="grade_summary_predicted_grade">Numatomas laipsnis</string>
+    <string name="grade_summary_calculated_average">Calculated average</string>
+    <string name="grade_summary_final_average">Final average</string>
+    <string name="grade_menu_summary">Summary</string>
+    <string name="grade_menu_statistics">Class</string>
+    <string name="grade_menu_read">Mark as read</string>
+    <string name="grade_statistics_partial">Partial</string>
+    <string name="grade_statistics_semester">Semester</string>
+    <string name="grade_statistics_points">Points</string>
+    <string name="grade_statistics_legend">Legend</string>
+    <string name="grade_statistics_average">Average: %1$s</string>
+    <string name="grade_statistics_average_class">Class</string>
+    <string name="grade_statistics_average_student">Student</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d grade</item>
+        <item quantity="few">%d grades</item>
+        <item quantity="many">%d grades</item>
+        <item quantity="other">%d grades</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">New grade</item>
+        <item quantity="few">New grades</item>
+        <item quantity="many">New grades</item>
+        <item quantity="other">New grades</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">New predicted grade</item>
+        <item quantity="few">New predicted grades</item>
+        <item quantity="many">New predicted grades</item>
+        <item quantity="other">New predicted grades</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">New final grade</item>
+        <item quantity="few">New final grades</item>
+        <item quantity="many">New final grades</item>
+        <item quantity="other">New final grades</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">You received %1$d grade</item>
+        <item quantity="few">You received %1$d grades</item>
+        <item quantity="many">You received %1$d grades</item>
+        <item quantity="other">You received %1$d grades</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">You received %1$d predicted grade</item>
+        <item quantity="few">You received %1$d predicted grades</item>
+        <item quantity="many">You received %1$d predicted grades</item>
+        <item quantity="other">You received %1$d predicted grades</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">You received %1$d final grade</item>
+        <item quantity="few">You received %1$d final grades</item>
+        <item quantity="many">You received %1$d final grades</item>
+        <item quantity="other">You received %1$d final grades</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Lesson</string>
+    <string name="timetable_room">Room</string>
+    <string name="timetable_group">Group</string>
+    <string name="timetable_time">Hours</string>
+    <string name="timetable_changes">Changes</string>
+    <string name="timetable_no_items">No lessons this day</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sec</string>
+    <string name="timetable_time_left">%1$s left</string>
+    <string name="timetable_time_until">in %1$s</string>
+    <string name="timetable_finished">Finished</string>
+    <string name="timetable_now">Now: %s</string>
+    <string name="timetable_next">Next: %s</string>
+    <string name="timetable_later">Later: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Completed lessons</string>
+    <string name="completed_lessons_button">Show completed lessons</string>
+    <string name="completed_lessons_no_items">No info about completed lessons</string>
+    <string name="completed_lessons_topic">Topic</string>
+    <string name="completed_lessons_absence">Absence</string>
+    <string name="completed_lessons_resources">Resources</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Additional lessons</string>
+    <string name="additional_lessons_button">Show additional lessons</string>
+    <string name="additional_lessons_no_items">No info about additional lessons</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Attendance summary</string>
+    <string name="attendance_absence_school">Absent for school reasons</string>
+    <string name="attendance_absence_excused">Excused absence</string>
+    <string name="attendance_absence_unexcused">Unexcused absence</string>
+    <string name="attendance_exemption">Exemption</string>
+    <string name="attendance_excused_lateness">Excused lateness</string>
+    <string name="attendance_unexcused_lateness">Unexcused lateness</string>
+    <string name="attendance_present">Present</string>
+    <string name="attendance_deleted">Deleted</string>
+    <string name="attendance_unknown">Unknown</string>
+    <string name="attendance_number">Number of lesson</string>
+    <string name="attendance_no_items">No entries</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d absence</item>
+        <item quantity="few">%1$d absences</item>
+        <item quantity="many">%1$d absences</item>
+        <item quantity="other">%1$d absences</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Absence reason (optional)</string>
+    <string name="attendance_excuse_dialog_submit">Send</string>
+    <string name="attendance_excuse_success">Absence excuse request sent successfully!</string>
+    <string name="attendance_excuse_no_selection">You must select at least one absence!</string>
+    <string name="attendance_excuse_title">Excuse</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Attendance</string>
+    <string name="attendance_summary_total">Total</string>
+    <!--Exam-->
+    <string name="exam_no_items">No exams this week</string>
+    <string name="exam_type">Type</string>
+    <string name="exam_entry_date">Entry date</string>
+    <!--Message-->
+    <string name="message_inbox">Inbox</string>
+    <string name="message_sent">Sent</string>
+    <string name="message_trash">Trash</string>
+    <string name="message_no_subject">(no subject)</string>
+    <string name="message_no_items">No messages</string>
+    <string name="message_preview_error">An error occurred while downloading message content</string>
+    <string name="message_from">From:</string>
+    <string name="message_to">To:</string>
+    <string name="message_date">Date: %s</string>
+    <string name="message_reply">Reply</string>
+    <string name="message_forward">Forward</string>
+    <string name="message_delete">Delete</string>
+    <string name="message_move_to_bin">Move to trash</string>
+    <string name="message_delete_forever">Delete permanently</string>
+    <string name="message_delete_success">Message deleted successfully</string>
+    <string name="message_share">Share</string>
+    <string name="message_print">Print</string>
+    <string name="message_subject">Subject</string>
+    <string name="message_content">Content</string>
+    <string name="message_send_successful">Message sent successfully</string>
+    <string name="message_not_exists">Message does not exist</string>
+    <string name="message_required_recipients">You need to choose at least 1 recipient</string>
+    <string name="message_content_min_length">The message content must be at least 3 characters</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d message</item>
+        <item quantity="few">%d messages</item>
+        <item quantity="many">%d messages</item>
+        <item quantity="other">%d messages</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">New message</item>
+        <item quantity="few">New messages</item>
+        <item quantity="many">New messages</item>
+        <item quantity="other">New messages</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">You received %1$d message</item>
+        <item quantity="few">You received %1$d messages</item>
+        <item quantity="many">You received %1$d messages</item>
+        <item quantity="other">You received %1$d messages</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">No info about notes</string>
+    <string name="note_points">Points</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d note</item>
+        <item quantity="few">%d notes</item>
+        <item quantity="many">%d notes</item>
+        <item quantity="other">%d notes</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">New note</item>
+        <item quantity="few">New notes</item>
+        <item quantity="many">New notes</item>
+        <item quantity="other">New notes</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">You received %1$d note</item>
+        <item quantity="few">You received %1$d notes</item>
+        <item quantity="many">You received %1$d notes</item>
+        <item quantity="other">You received %1$d notes</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d praise</item>
+        <item quantity="few">%d praises</item>
+        <item quantity="many">%d praises</item>
+        <item quantity="other">%d praises</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">New praise</item>
+        <item quantity="few">New praises</item>
+        <item quantity="many">New praises</item>
+        <item quantity="other">New praises</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">You received %1$d praise</item>
+        <item quantity="few">You received %1$d praises</item>
+        <item quantity="many">You received %1$d praises</item>
+        <item quantity="other">You received %1$d praises</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutral note</item>
+        <item quantity="few">%d neutral notes</item>
+        <item quantity="many">%d neutral notes</item>
+        <item quantity="other">%d neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">New neutral note</item>
+        <item quantity="few">New neutral notes</item>
+        <item quantity="many">New neutral notes</item>
+        <item quantity="other">New neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">You received %1$d neutral note</item>
+        <item quantity="few">You received %1$d neutral notes</item>
+        <item quantity="many">You received %1$d neutral notes</item>
+        <item quantity="other">You received %1$d neutral notes</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">No info about homework</string>
+    <string name="homework_mark_as_done">Mark as done</string>
+    <string name="homework_mark_as_undone">Mark as undone</string>
+    <string name="homework_attachments">Attachments</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Lucky number</string>
+    <string name="lucky_number_header">Today\'s lucky number is</string>
+    <string name="lucky_number_empty">No info about the lucky number</string>
+    <string name="lucky_number_notify_new_item_title">Lucky number for today</string>
+    <string name="lucky_number_notify_new_item">Today\'s lucky number is: %d</string>
+    <string name="lucky_number_history_button">Show history</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Lucky number history</string>
+    <string name="lucky_number_history_empty">No info about lucky numbers</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Mobile devices</string>
+    <string name="mobile_devices_no_items">No devices</string>
+    <string name="mobile_devices_unregister">Deregister</string>
+    <string name="mobile_device_removed">Device removed</string>
+    <string name="mobile_device_qr">QR code</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">School and teachers</string>
+    <!--School-->
+    <string name="school_title">School</string>
+    <string name="school_no_info">No info about school</string>
+    <string name="school_name">School name</string>
+    <string name="school_address">School address</string>
+    <string name="school_telephone">Telephone</string>
+    <string name="school_headmaster">Name of headmaster</string>
+    <string name="school_pedagogue">Name of pedagogue</string>
+    <string name="school_address_button">Show on map</string>
+    <string name="school_telephone_button">Call</string>
+    <!--Teacher-->
+    <string name="teachers_title">Teachers</string>
+    <string name="teacher_no_items">No info about teachers</string>
+    <string name="teacher_no_subject">No subject</string>
+    <!--Conference-->
+    <string name="conferences_title">Conferences</string>
+    <string name="conference_no_items">No info about conferences</string>
+    <!--Account-->
+    <string name="account_add_new">Add account</string>
+    <string name="account_logout">Logout</string>
+    <string name="account_confirm">Do you want to log out this student?</string>
+    <string name="account_logout_student">Student logout</string>
+    <string name="account_type_student">Student account</string>
+    <string name="account_type_parent">Parent account</string>
+    <string name="account_login_mobile_api">Mobile API mode</string>
+    <string name="account_login_hybrid">Hybrid mode</string>
+    <string name="account_details_edit">Edit data</string>
+    <string name="account_quick_manager">Accounts manager</string>
+    <string name="account_select_student">Select student</string>
+    <string name="account_family">Family</string>
+    <string name="account_contact">Contact</string>
+    <string name="account_address">Residence details</string>
+    <string name="account_personal_data">Personal information</string>
+    <!--About-->
+    <string name="about_version">App version</string>
+    <string name="about_contributor">Contributors</string>
+    <string name="about_contributor_summary">List of Wulkanowy developers</string>
+    <string name="about_feedback">Report a bug</string>
+    <string name="about_feedback_summary">Send a bug report via e-mail</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Read Frequently Asked Questions</string>
+    <string name="about_discord">Discord server</string>
+    <string name="about_discord_summary">Join the Wulkanowy community</string>
+    <string name="about_facebook">Facebook fanpage</string>
+    <string name="about_facebook_summary">Like our facebook fanpage</string>
+    <string name="about_privacy">Privacy policy</string>
+    <string name="about_privacy_summary">Rules for collecting personal data</string>
+    <string name="about_homepage">Homepage</string>
+    <string name="about_homepage_summary">Visit the website and help develop the application</string>
+    <string name="about_licenses">Licenses</string>
+    <string name="about_licenses_summary">Licenses of libraries used in the application</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">License</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Avatar</string>
+    <string name="contributor_see_more">See more on GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">No info about student or student family</string>
+    <string name="student_info_first_name">Name</string>
+    <string name="student_info_second_name">Second name</string>
+    <string name="student_info_gender">Gender</string>
+    <string name="student_info_polish_citizenship">Polish citizenship</string>
+    <string name="student_info_family_name">Family name</string>
+    <string name="student_info_parents_name">Mother\'s and father\'s names</string>
+    <string name="student_info_phone">Phone</string>
+    <string name="student_info_cellphone">Cellphone</string>
+    <string name="student_info_email">E-mail</string>
+    <string name="student_info_address">Address of residence</string>
+    <string name="student_info_registered_address">Address of registration</string>
+    <string name="student_info_correspondence_address">Correspondence address</string>
+    <string name="student_info_full_name">Surname and first name</string>
+    <string name="student_info_kinship">Degree of kinship</string>
+    <string name="student_info_guardian_address">Address</string>
+    <string name="student_info_phones">Phones</string>
+    <string name="student_info_male">Male</string>
+    <string name="student_info_female">Female</string>
+    <string name="student_info_last_name">Last name</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Nick</string>
+    <string name="account_edit_header">Add nick</string>
+    <string name="account_edit_avatar_title">Choose avatar color</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Share logs</string>
+    <string name="logviewer_refresh">Refresh</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Check for updates</string>
+    <string name="dialog_error_check_update_message">Before reporting a bug, check first if an update with the bug fix is available</string>
+    <!--Generic-->
+    <string name="all_content">Content</string>
+    <string name="all_retry">Retry</string>
+    <string name="all_description">Description</string>
+    <string name="all_no_description">No description</string>
+    <string name="all_teacher">Teacher</string>
+    <string name="all_date">Date</string>
+    <string name="all_entry_date">Entry date</string>
+    <string name="all_color">Color</string>
+    <string name="all_details">Details</string>
+    <string name="all_category">Category</string>
+    <string name="all_close">Close</string>
+    <string name="all_no_data">No data</string>
+    <string name="all_subject">Subject</string>
+    <string name="all_prev">Prev</string>
+    <string name="all_next">Next</string>
+    <string name="all_search">Search</string>
+    <string name="all_search_hint">Search…</string>
+    <string name="all_yes">Yes</string>
+    <string name="all_no">No</string>
+    <string name="all_save">Save</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">No lessons</string>
+    <string name="widget_timetable_theme_title">Choose theme</string>
+    <string name="widget_timetable_theme_light">Light</string>
+    <string name="widget_timetable_theme_dark">Dark</string>
+    <string name="widget_timetable_theme_system">System Theme</string>
+    <!--Preferences-->
+    <string name="pref_view_header">App appearance &amp; behavior</string>
+    <string name="pref_view_list">Default view</string>
+    <string name="pref_view_grade_average_mode">Calculation of the end-of-year average</string>
+    <string name="pref_view_grade_average_force_calc">Force average calculation by app</string>
+    <string name="pref_view_present">Show presence</string>
+    <string name="pref_view_app_theme">Theme</string>
+    <string name="pref_view_expand_grade">Expand grades</string>
+    <string name="pref_view_timetable_show_timers">Mark current lesson</string>
+    <string name="pref_view_timetable_show_groups">Show groups next to subjects</string>
+    <string name="pref_view_grade_statistics_list">Show chart list in class grades</string>
+    <string name="pref_view_timetable_show_whole_class">Show whole class lessons</string>
+    <string name="pref_view_subjects_without_grades">Show subjects without grades</string>
+    <string name="pref_view_grade_color_scheme">Grades color scheme</string>
+    <string name="pref_view_grade_sorting_mode">Subjects sorting</string>
+    <string name="pref_view_app_language">Language</string>
+    <string name="pref_notify_header">Notifications</string>
+    <string name="pref_notify_switch">Show notifications</string>
+    <string name="pref_notify_upcoming_lessons_switch">Show upcoming lesson notifications</string>
+    <string name="pref_notify_fix_sync_issues">Fix synchronization &amp; notifications issues</string>
+    <string name="pref_notify_fix_sync_issues_message">Your device may have data synchronization issues and with notifications.\n\nTo fix them, you need to add Wulkanowy to the autostart and turn off battery optimization/saving in the phone settings.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Go to settings</string>
+    <string name="pref_notify_debug_switch">Show debug notifications</string>
+    <string name="pref_notify_disabled_summary">Synchronization is disabled</string>
+    <string name="pref_services_header">Synchronization</string>
+    <string name="pref_services_switch">Automatic update</string>
+    <string name="pref_services_suspended">Suspended on holidays</string>
+    <string name="pref_services_interval">Updates interval</string>
+    <string name="pref_services_wifi">Wi-Fi only</string>
+    <string name="pref_services_force_sync">Sync now</string>
+    <string name="pref_services_message_sync_success">Synced!</string>
+    <string name="pref_services_message_sync_failed">Sync failed</string>
+    <string name="pref_services_sync_in_progress">Sync in progress</string>
+    <string name="pref_other_grade_modifier_plus">Value of the plus</string>
+    <string name="pref_other_grade_modifier_minus">Value of the minus</string>
+    <string name="pref_other_fill_message_content">Reply with message history</string>
+    <string name="pref_settings_advanced_title">Advanced</string>
+    <string name="pref_settings_appearance_title">Appearance &amp; Behavior</string>
+    <string name="pref_settings_notifications_title">Notifications</string>
+    <string name="pref_settings_sync_title">Synchronization</string>
+    <string name="pref_grades_appearance_header">Grades</string>
+    <string name="pref_attendance_appearance_view">Attendance</string>
+    <string name="pref_timetable_appearance_view">Timetable</string>
+    <string name="pref_grades_advanced_header">Grades</string>
+    <string name="pref_messages_advanced_header">Messages</string>
+    <string name="pref_appearance_category">Appearance &amp; Behavior</string>
+    <string name="pref_appearance_category_summary">Languages, themes, subjects sorting</string>
+    <string name="pref_notifications_category_summary">App notifications, fix problems</string>
+    <string name="pref_notifications_category">Notifications</string>
+    <string name="pref_sync_category">Synchronization</string>
+    <string name="pref_sync_category_summary">Automatic update, synchronization interval</string>
+    <string name="pref_advanced_category_summary">Plus and minus values, average calculation</string>
+    <string name="pref_advanced_category">Advanced</string>
+    <string name="pref_about_category_summary">App version, contributors, social portals, licenses</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">New entries in register</string>
+    <string name="channel_new_grades">New grades</string>
+    <string name="channel_lucky_number">Lucky number</string>
+    <string name="channel_new_message">New messages</string>
+    <string name="channel_new_notes">New notes</string>
+    <string name="channel_push">Push notifications</string>
+    <string name="channel_upcoming_lessons">Upcoming lessons</string>
+    <string name="channel_debug">Debug</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">End of support</string>
+    <string name="drop_kitkat_content">We are ending support for your device. No more new features will appear for it in Wulkanowy. However, we will be releasing critical patches until the end of 2021 so you have time to switch to a newer model</string>
+    <string name="drop_kitkat_again">Don\'t show again</string>
+    <!--Colors-->
+    <string name="all_black">Black</string>
+    <string name="all_red">Red</string>
+    <string name="all_blue">Blue</string>
+    <string name="all_green">Green</string>
+    <string name="all_purple">Purple</string>
+    <string name="all_empty_color">No color</string>
+    <!--Others-->
+    <string name="all_copied">Copied</string>
+    <string name="all_undo">Undo</string>
+    <!--Update helper-->
+    <string name="update_download_started">Download of updates has started…</string>
+    <string name="update_download_success">An update has just been downloaded.</string>
+    <string name="update_download_success_button">Restart</string>
+    <string name="update_failed">Update failed! Wulkanowy may not function properly. Consider updating</string>
+    <!--Errors-->
+    <string name="error_no_internet">No internet connection</string>
+    <string name="error_timeout">Connection to register failed. Servers can be overloaded. Please try again later</string>
+    <string name="error_login_failed">Loading data failed. Please try again later</string>
+    <string name="error_password_change_required">Register password change required</string>
+    <string name="error_service_unavailable">Maintenance underway UONET + register. Try again later</string>
+    <string name="error_unknown_uonet">Unknown UONET + register error. Try again later</string>
+    <string name="error_unknown_app">Unknown application error. Please try again later</string>
+    <string name="error_unknown">An unexpected error occurred</string>
+    <string name="error_feature_disabled">Feature disabled by your school</string>
+    <string name="error_feature_not_available">Feature not available. Login in a mode other than Mobile API</string>
+</resources>
diff --git a/app/src/main/res/values-night/styles.xml b/app/src/main/res/values-night/styles.xml
index 02309830f..68a9fa2fe 100644
--- a/app/src/main/res/values-night/styles.xml
+++ b/app/src/main/res/values-night/styles.xml
@@ -1,17 +1,60 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
 
     <style name="WulkanowyTheme" parent="@style/Theme.MaterialComponents">
+        <item name="android:forceDarkAllowed" tools:targetApi="Q">false</item>
         <item name="colorPrimary">@color/colorPrimaryLight</item>
         <item name="colorSecondary">@color/colorPrimaryLight</item>
+        <item name="colorTimetableChange">@color/timetable_change_light</item>
         <item name="colorError">@color/colorErrorLight</item>
         <item name="colorDivider">@color/colorDividerInverse</item>
+        <item name="colorSwipeRefresh">@color/colorSwipeRefreshDark</item>
         <item name="android:windowBackground">?colorSurface</item>
         <item name="android:textColor">?android:textColorPrimary</item>
-        <item name="android:statusBarColor" tools:targetApi="lollipop">@android:color/black</item>
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">
+            @color/colorNavigationBarLight
+        </item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">
+            @color/colorStatusBarLight
+        </item>
         <item name="android:windowLightNavigationBar" tools:targetApi="o_mr1">false</item>
+        <item name="mdtp_theme_dark">true</item>
+        <item name="android:windowLightStatusBar" tools:targetApi="m">false</item>
     </style>
 
     <style name="WulkanowyTheme.Black" parent="WulkanowyTheme.NoActionBar">
         <item name="colorSurface">@android:color/black</item>
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">
+            @color/colorNavigationBarBlack
+        </item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">@color/colorStatusBarBlack</item>
+        <item name="android:windowLightStatusBar" tools:targetApi="m">false</item>
+    </style>
+
+    <style name="WulkanowyTheme.Login" parent="WulkanowyTheme.NoActionBar">
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">?colorSurface</item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">?colorSurface</item>
+    </style>
+
+    <style name="WulkanowyTheme.Login.Black" parent="WulkanowyTheme.Black">
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">?colorSurface</item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">?colorSurface</item>
+    </style>
+
+    <style name="WulkanowyTheme.MessageSend" parent="WulkanowyTheme.NoActionBar">
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">?colorSurface</item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">#1C1C1C</item>
+    </style>
+
+    <style name="WulkanowyTheme.MessageSend.Black" parent="WulkanowyTheme.Black">
+        <item name="android:navigationBarColor" tools:targetApi="lollipop">?colorSurface</item>
+        <item name="android:statusBarColor" tools:targetApi="lollipop">@android:color/black</item>
+    </style>
+
+    <style name="WulkanowyTheme.WidgetAccountSwitcher" parent="Theme.MaterialComponents.Dialog">
+        <item name="colorPrimary">@color/colorPrimaryLight</item>
+        <item name="colorSecondary">@color/colorPrimaryLight</item>
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:textColor">?android:textColorPrimary</item>
     </style>
 </resources>
diff --git a/app/src/main/res/values-pl-v29/preferences_values.xml b/app/src/main/res/values-pl-v29/preferences_values.xml
new file mode 100644
index 000000000..57f208044
--- /dev/null
+++ b/app/src/main/res/values-pl-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Motyw systemu</item>
+        <item>Jasny</item>
+        <item>Ciemny</item>
+        <item>Czarny (AMOLED)</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-pl/preferences_values.xml b/app/src/main/res/values-pl/preferences_values.xml
new file mode 100644
index 000000000..b25dc3e59
--- /dev/null
+++ b/app/src/main/res/values-pl/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Jasny</item>
+        <item>Ciemny</item>
+        <item>Czarny (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Język systemu</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 minut</item>
+        <item>30 minut</item>
+        <item>1 godzina</item>
+        <item>2 godziny</item>
+        <item>6 godzin</item>
+        <item>12 godzin</item>
+        <item>24 godziny</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,00</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Alfabetycznie</item>
+        <item>Według daty</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Kolory ocen w dzienniku</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Średnia ocen z drugiego semestru</item>
+        <item>Średnia średnich z obu semestrów</item>
+        <item>Średnia wszystkich ocen z całego roku</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Nie pokazuj</item>
+        <item>Pokazuj wszystkie</item>
+        <item>Pokazuj pomniejszone</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index a43493e70..fb538fadb 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -1,7 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Wulkanowy</string>
-
-
     <!--Activity/Fragment title-->
     <string name="login_title">Logowanie</string>
     <string name="main_title">Wulkanowy</string>
@@ -12,49 +10,81 @@
     <string name="settings_title">Ustawienia</string>
     <string name="more_title">Więcej</string>
     <string name="about_title">O aplikacji</string>
+    <string name="logviewer_title">Przeglądarka logów</string>
+    <string name="contributors_title">Twórcy</string>
     <string name="license_title">Licencje</string>
     <string name="message_title">Wiadomości</string>
     <string name="send_message_title">Nowa wiadomość</string>
     <string name="note_title">Uwagi i osiągnięcia</string>
     <string name="homework_title">Zadania domowe</string>
-    <string name="account_title">Wybierz konto</string>
-
-
+    <string name="account_title">Menadżer kont</string>
+    <string name="account_quick_title">Wybierz konto</string>
+    <string name="account_details_title">Szczegóły konta</string>
+    <string name="student_info_title">Informacje o uczniu</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semestr %1$d, %2$d/%3$d</string>
     <!--Login-->
     <string name="login_header_default">Zaloguj się za pomocą konta ucznia lub rodzica</string>
-    <string name="login_header_symbol">Podaj symbol</string>
-    <string name="login_nickname_hint">Email lub nick</string>
+    <string name="login_header_symbol">Podaj symbol ze strony dziennika</string>
+    <string name="login_nickname_hint">Nazwa użytkownika</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Login, PESEL lub e-mail</string>
     <string name="login_password_hint">Hasło</string>
-    <string name="login_host_hint">Dziennik</string>
+    <string name="login_host_hint">Odmiana dziennika UONET+</string>
+    <string name="login_type_api">Mobilne API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybrydowe</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Klucz API</string>
     <string name="login_symbol_hint">Symbol</string>
     <string name="login_sign_in">Zaloguj</string>
     <string name="login_invalid_password">To hasło jest za krótkie</string>
-    <string name="login_incorrect_password">Dane logowania są niepoprawne</string>
-    <string name="login_incorrect_symbol">Nie znaleziono ucznia. Sprawdź symbol</string>
+    <string name="login_incorrect_password">Dane logowania są niepoprawne. Upewnij się, że została wybrana odpowiednia odmiana dziennika UONET+ w polu poniżej</string>
+    <string name="login_invalid_pin">Nieprawidłowy PIN</string>
+    <string name="login_invalid_token">Nieprawidłowy token</string>
+    <string name="login_expired_token">Token stracił ważność</string>
+    <string name="login_invalid_email">Niepoprawny adres email</string>
+    <string name="login_invalid_login">Użyj przydzielonego loginu zamiast emaila</string>
+    <string name="login_invalid_custom_email">Użyj przypisanego loginu lub adresu e-mail w @%1$s</string>
+    <string name="login_invalid_symbol">Niepoprawny symbol</string>
+    <string name="login_incorrect_symbol">Nie znaleziono ucznia. Sprawdź poprawność symbolu i wybranej odmiany dziennika UONET+</string>
     <string name="login_field_required">To pole jest wymagane</string>
     <string name="login_duplicate_student">Wybrany uczeń jest już zalogowany</string>
-    <string name="login_symbol_helper">Symbol znajdziesz na stronie dziennika w Uczeń -> Dostęp Mobilny -> Zarejestruj urządzenie mobilne</string>
+    <string name="login_symbol_helper">Symbol znajdziesz na stronie dziennika w&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nUpewnij się, że w polu <b>Dziennik UONET+</b> na poprzednim ekranie została ustawiona odpowiednia odmiana dziennika. Wulkanowy na chwilę obecną nie wykrywa uczniów przedszkolnych</string>
     <string name="login_select_student">Wybierz uczniów do zalogowania w aplikacji</string>
+    <string name="login_advanced">Inne opcje</string>
+    <string name="login_advanced_warning_mobile_api">W tym trybie nie działa szczęśliwy numerek, uczeń na tle klasy, podsumowanie frekwencji, usprawiedliwianie nieobecności, lekcje zrealizowane, informacje o szkole i podgląd listy zarejestrowanych urządzeń</string>
+    <string name="login_advanced_warning_scraper">Tryb ten wyświetla te same dane, które widoczne są na stronie internetowej dziennika</string>
+    <string name="login_advanced_warning_hybrid">Połączenie najlepszych cech dwóch pozostałych trybów. Działa szybciej niż scraper i zapewnia funkcje niedostępne w trybie Mobilne API. Jest w fazie eksperymentalnej</string>
     <string name="login_privacy_policy">Polityka prywatności</string>
-
-
+    <string name="login_contact_header">Problemy z logowaniem? Napisz do nas!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Wyślij email</string>
+    <string name="login_email_details">Opisz problem:</string>
+    <string name="login_recover_warning">Upewnij się, że została wybrana odpowiednia odmiana dziennika UONET+!</string>
+    <string name="login_recover_button">Nie pamiętam hasła</string>
+    <string name="login_recover_title">Przywróć swoje konto</string>
+    <string name="login_recover">Przywróć</string>
+    <string name="login_signed_in">Uczeń jest już zalogowany</string>
     <!--Main-->
     <string name="main_account_picker">Menadżer kont</string>
     <string name="main_log_in">Zaloguj się</string>
     <string name="main_session_expired">Sesja wygasła</string>
     <string name="main_session_relogin">Sesja wygasła, zaloguj się ponownie</string>
-
-
     <!--Grade-->
     <string name="grade_header">Ocena</string>
     <string name="grade_semester">Semestr %d</string>
     <string name="grade_switch_semester">Zmień semestr</string>
     <string name="grade_no_items">Brak ocen</string>
     <string name="grade_weight">Waga</string>
+    <string name="grade_weight_value">Waga: %s</string>
     <string name="grade_comment">Komentarz</string>
     <string name="grade_no_new_items">Brak nowych ocen</string>
     <string name="grade_number_new_items">Ilość nowych ocen: %1$d</string>
     <string name="grade_average">Średnia: %1$.2f</string>
+    <string name="grade_points_sum">Punkty: %s</string>
     <string name="grade_no_average">Brak średniej</string>
     <string name="grade_predicted">Przewidywana: %1$s</string>
     <string name="grade_final">Końcowa: %1$s</string>
@@ -66,8 +96,13 @@
     <string name="grade_menu_summary">Podsumowanie</string>
     <string name="grade_menu_statistics">Klasa</string>
     <string name="grade_menu_read">Oznacz jako przeczytane</string>
-    <string name="grade_statistics_partial">Oceny cząstkowe</string>
-    <string name="grade_statistics_semester">Oceny semestralne</string>
+    <string name="grade_statistics_partial">Cząstkowe</string>
+    <string name="grade_statistics_semester">Semestralne</string>
+    <string name="grade_statistics_points">Punkty</string>
+    <string name="grade_statistics_legend">Legenda</string>
+    <string name="grade_statistics_average">Średnia: %1$s</string>
+    <string name="grade_statistics_average_class">Klasa</string>
+    <string name="grade_statistics_average_student">Uczeń</string>
     <plurals name="grade_number_item">
         <item quantity="one">%d ocena</item>
         <item quantity="few">%d oceny</item>
@@ -78,15 +113,38 @@
         <item quantity="one">Nowa ocena</item>
         <item quantity="few">Nowe oceny</item>
         <item quantity="many">Nowe oceny</item>
+        <item quantity="other">Nowe oceny</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Nowa ocena przewidywana</item>
+        <item quantity="few">Nowe oceny przewidywane</item>
+        <item quantity="many">Nowe oceny przewidywane</item>
+        <item quantity="other">Nowe oceny przewidywane</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Nowa ocena końcowa</item>
+        <item quantity="few">Nowe oceny końcowe</item>
+        <item quantity="many">Nowe oceny końcowe</item>
+        <item quantity="other">Nowe oceny końcowe</item>
     </plurals>
     <plurals name="grade_notify_new_items">
-        <item quantity="one">Dostałeś %1$d ocenę</item>
-        <item quantity="few">"Dostałeś %1$d oceny</item>
-        <item quantity="many">Dostałeś %1$d ocen</item>
-        <item quantity="other">Dostałeś %1$d ocen</item>
+        <item quantity="one">Masz %1$d nową ocenę</item>
+        <item quantity="few">Masz %1$d nowe oceny</item>
+        <item quantity="many">Masz %1$d nowych ocen</item>
+        <item quantity="other">Masz %1$d nowych ocen</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Masz %1$d nową przewidywaną ocenę</item>
+        <item quantity="few">Masz %1$d nowe przewidywane oceny</item>
+        <item quantity="many">Masz %1$d nowych przewidywanych ocen</item>
+        <item quantity="other">Masz %1$d nowych przewidywanych ocen</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Masz %1$d nową końcową ocenę</item>
+        <item quantity="few">Masz %1$d nowe końcowe oceny</item>
+        <item quantity="many">Masz %1$d nowych końcowych ocen</item>
+        <item quantity="other">Masz %1$d nowych końcowych ocen</item>
     </plurals>
-
-
     <!--Timetable-->
     <string name="timetable_lesson">Lekcja</string>
     <string name="timetable_room">Sala</string>
@@ -94,45 +152,56 @@
     <string name="timetable_time">Godziny</string>
     <string name="timetable_changes">Zmiany</string>
     <string name="timetable_no_items">Brak lekcji w tym dniu</string>
-
-
-    <!--CompletedLesson-->
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sek</string>
+    <string name="timetable_time_left">jeszcze %1$s</string>
+    <string name="timetable_time_until">za %1$s</string>
+    <string name="timetable_finished">Zakończona</string>
+    <string name="timetable_now">Teraz: %s</string>
+    <string name="timetable_next">Za chwilę: %s</string>
+    <string name="timetable_later">Później: %s</string>
+    <!--Completed lessons-->
     <string name="completed_lessons_title">Lekcje zrealizowane</string>
     <string name="completed_lessons_button">Zobacz lekcje zrealizowane</string>
     <string name="completed_lessons_no_items">Brak informacji o lekcjach zrealizowanych</string>
     <string name="completed_lessons_topic">Temat</string>
     <string name="completed_lessons_absence">Nieobecność</string>
     <string name="completed_lessons_resources">Zasoby</string>
-
-
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Dodatkowe lekcje</string>
+    <string name="additional_lessons_button">Pokaż dodatkowe lekcje</string>
+    <string name="additional_lessons_no_items">Brak informacji o dodatkowych lekcjach</string>
     <!--Attendance-->
     <string name="attendance_summary_button">Podsumowanie frekwencji</string>
-    <string name="attendance_absence_school">Nieobecny z przyczyn szkolnych</string>
+    <string name="attendance_absence_school">Nieobecność z przyczyn szkolnych</string>
     <string name="attendance_absence_excused">Nieobecność usprawiedliwiona</string>
     <string name="attendance_absence_unexcused">Nieobecność nieusprawiedliwiona</string>
-    <string name="attendance_exemption">Zwolniony</string>
-    <string name="attendance_excused_lateness">Spóźnienie usprawiedliowione</string>
+    <string name="attendance_exemption">Zwolnienie</string>
+    <string name="attendance_excused_lateness">Spóźnienie usprawiedliwione</string>
     <string name="attendance_unexcused_lateness">Spóźnienie nieusprawiedliwione</string>
-    <string name="attendance_present">Obecny</string>
+    <string name="attendance_present">Obecność</string>
+    <string name="attendance_deleted">Usunięto</string>
+    <string name="attendance_unknown">Nieznany</string>
     <string name="attendance_number">Numer lekcji</string>
     <string name="attendance_no_items">Brak wpisów</string>
     <plurals name="attendance_number_absences">
         <item quantity="one">%1$d nieobecność</item>
         <item quantity="few">%1$d nieobecności</item>
         <item quantity="many">%1$d nieobecności</item>
+        <item quantity="other">%1$d nieobecności</item>
     </plurals>
-
-
+    <string name="attendance_excuse_dialog_reason">Powód nieobecności (opcjonalny)</string>
+    <string name="attendance_excuse_dialog_submit">Wyślij</string>
+    <string name="attendance_excuse_success">Prośba o usprawiedliwienie została pomyślnie wysłana!</string>
+    <string name="attendance_excuse_no_selection">Musisz wybrać co najmniej jedną nieobecność!</string>
+    <string name="attendance_excuse_title">Usprawiedliw</string>
     <!--Attendance summary-->
     <string name="attendance_summary_final">Frekwencja</string>
-
-
+    <string name="attendance_summary_total">Razem</string>
     <!--Exam-->
     <string name="exam_no_items">Brak sprawdzianów w tym tygodniu</string>
     <string name="exam_type">Typ</string>
     <string name="exam_entry_date">Data wpisu</string>
-
-
     <!--Message-->
     <string name="message_inbox">Odebrane</string>
     <string name="message_sent">Wysłane</string>
@@ -149,30 +218,35 @@
     <string name="message_move_to_bin">Przenieś do kosza</string>
     <string name="message_delete_forever">Usuń trwale</string>
     <string name="message_delete_success">Wiadomość usunięta pomyślnie</string>
+    <string name="message_share">Udostępnij</string>
+    <string name="message_print">Drukuj</string>
     <string name="message_subject">Temat</string>
     <string name="message_content">Treść</string>
     <string name="message_send_successful">Wiadomość wysłana pomyślnie</string>
+    <string name="message_not_exists">Wiadomość nie istnieje</string>
     <string name="message_required_recipients">Musisz wybrać co najmniej 1 adresata</string>
     <string name="message_content_min_length">Treść wiadomości musi zawierać co najmniej 3 znaki</string>
     <plurals name="message_number_item">
         <item quantity="one">%d wiadomość</item>
         <item quantity="few">%d wiadomości</item>
         <item quantity="many">%d wiadomości</item>
+        <item quantity="other">%d wiadomości</item>
     </plurals>
     <plurals name="message_new_items">
         <item quantity="one">Nowa wiadomość</item>
         <item quantity="few">Nowe wiadomości</item>
         <item quantity="many">Nowe wiadomości</item>
+        <item quantity="other">Nowe wiadomości</item>
     </plurals>
     <plurals name="message_notify_new_items">
-        <item quantity="one">Dostałeś %1$d wiadomość</item>
-        <item quantity="few">"Dostałeś %1$d wiadomości</item>
-        <item quantity="many">Dostałeś %1$d wiadomości</item>
+        <item quantity="one">Masz %1$d nową wiadomość</item>
+        <item quantity="few">Masz %1$d nowe wiadomości</item>
+        <item quantity="many">Masz %1$d nowych wiadomości</item>
+        <item quantity="other">Masz %1$d nowych wiadomości</item>
     </plurals>
-
-
     <!--Note-->
     <string name="note_no_items">Brak informacji o uwagach</string>
+    <string name="note_points">Punkty</string>
     <plurals name="note_number_item">
         <item quantity="one">%d uwaga</item>
         <item quantity="few">%d uwagi</item>
@@ -182,29 +256,68 @@
     <plurals name="note_new_items">
         <item quantity="one">Nowa uwaga</item>
         <item quantity="few">Nowe uwagi</item>
-        <item quantity="many">Nowych uwag</item>
-        <item quantity="other">Nowych uwag</item>
+        <item quantity="many">Nowe uwagi</item>
+        <item quantity="other">Nowe uwagi</item>
     </plurals>
     <plurals name="note_notify_new_items">
-        <item quantity="one">Dostałeś %1$d uwagę</item>
-        <item quantity="few">"Dostałeś %1$d uwagi</item>
-        <item quantity="many">Dostałeś %1$d uwag</item>
-        <item quantity="other">Dostałeś %1$d uwag</item>
+        <item quantity="one">Masz %1$d nową uwagę</item>
+        <item quantity="few">Masz %1$d nowe uwagi</item>
+        <item quantity="many">Masz %1$d nowych uwag</item>
+        <item quantity="other">Masz %1$d nowych uwag</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d pochwała</item>
+        <item quantity="few">%d pochwały</item>
+        <item quantity="many">%d pochwał</item>
+        <item quantity="other">%d pochwał</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Nowa pochwała</item>
+        <item quantity="few">Nowe pochwały</item>
+        <item quantity="many">Nowe pochwały</item>
+        <item quantity="other">Nowe pochwały</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Masz %1$d nową pochwałę</item>
+        <item quantity="few">Masz %1$d nowe pochwały</item>
+        <item quantity="many">Masz %1$d nowych pochwał</item>
+        <item quantity="other">Masz %1$d nowych pochwał</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutralna uwaga</item>
+        <item quantity="few">%d neutralne uwagi</item>
+        <item quantity="many">%d neutralnych uwag</item>
+        <item quantity="other">%d neutralnych uwag</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Nowa neutralna uwaga</item>
+        <item quantity="few">Nowe neutralne uwagi</item>
+        <item quantity="many">Nowe neutralne uwagi</item>
+        <item quantity="other">Nowe neutralne uwagi</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Masz %1$d nową neutralną uwagę</item>
+        <item quantity="few">Masz %1$d nowe neutralne uwagi</item>
+        <item quantity="many">Masz %1$d nowych neutralnych uwag</item>
+        <item quantity="other">Masz %1$d nowych neutralnych uwag</item>
     </plurals>
-
-
     <!--Homework-->
     <string name="homework_no_items">Brak zadań domowych</string>
-
-
+    <string name="homework_mark_as_done">Wykonane</string>
+    <string name="homework_mark_as_undone">Niewykonane</string>
+    <string name="homework_attachments">Załączniki</string>
     <!--Lucky number-->
     <string name="lucky_number_title">Szczęśliwy numerek</string>
     <string name="lucky_number_header">Dzisiejszym szczęśliwym numerkiem jest</string>
     <string name="lucky_number_empty">Brak informacji o szczęśliwym numerku</string>
     <string name="lucky_number_notify_new_item_title">Szczęśliwy numerek na dzisiaj</string>
     <string name="lucky_number_notify_new_item">Dziś szczęśliwym numerkiem jest: %d</string>
-
-
+    <string name="lucky_number_history_button">Pokaż historię</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Historia numerków</string>
+    <string name="lucky_number_history_empty">Brak informacji o szczęśliwych numerkach</string>
     <!--Mobile devices-->
     <string name="mobile_devices_title">Dostęp mobilny</string>
     <string name="mobile_devices_no_items">Brak urządzeń</string>
@@ -214,35 +327,98 @@
     <string name="mobile_device_token">Token</string>
     <string name="mobile_device_symbol">Symbol</string>
     <string name="mobile_device_pin">PIN</string>
-
-
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Szkoła i nauczyciele</string>
+    <!--School-->
+    <string name="school_title">Szkoła</string>
+    <string name="school_no_info">Brak informacji o szkole</string>
+    <string name="school_name">Nazwa szkoły</string>
+    <string name="school_address">Adres szkoły</string>
+    <string name="school_telephone">Telefon</string>
+    <string name="school_headmaster">Imię i nazwisko dyrektora</string>
+    <string name="school_pedagogue">Imię i nazwisko pedagoga</string>
+    <string name="school_address_button">Pokaż na mapie</string>
+    <string name="school_telephone_button">Zadzwoń</string>
+    <!--Teacher-->
+    <string name="teachers_title">Nauczyciele</string>
+    <string name="teacher_no_items">Brak informacji o nauczycielach</string>
+    <string name="teacher_no_subject">Brak przedmiotu</string>
+    <!--Conference-->
+    <string name="conferences_title">Zebrania</string>
+    <string name="conference_no_items">Brak informacji o zebraniach</string>
     <!--Account-->
     <string name="account_add_new">Dodaj konto</string>
     <string name="account_logout">Wyloguj</string>
-    <string name="account_confirm">Czy chcesz wylogować aktualnego ucznia?</string>
+    <string name="account_confirm">Czy chcesz wylogować tego ucznia?</string>
     <string name="account_logout_student">Wylogowanie ucznia</string>
-
-
+    <string name="account_type_student">Konto ucznia</string>
+    <string name="account_type_parent">Konto rodzica</string>
+    <string name="account_login_mobile_api">Tryb API mobilne</string>
+    <string name="account_login_hybrid">Tryb hybrydowy</string>
+    <string name="account_details_edit">Edytuj dane</string>
+    <string name="account_quick_manager">Menadżer kont</string>
+    <string name="account_select_student">Wybierz ucznia</string>
+    <string name="account_family">Rodzina</string>
+    <string name="account_contact">Kontakt</string>
+    <string name="account_address">Dane adresowe</string>
+    <string name="account_personal_data">Dane osobowe</string>
     <!--About-->
     <string name="about_version">Wersja aplikacji</string>
+    <string name="about_contributor">Twórcy</string>
+    <string name="about_contributor_summary">Lista programistów Wulkanowego</string>
     <string name="about_feedback">Zgłoś błąd</string>
     <string name="about_feedback_summary">Wyślij zgłoszenie o błędzie poprzez e-maila</string>
-    <string name="about_discord">Serwer discord</string>
-    <string name="about_discord_summary">Dołącz do społeczności wulkanowego</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Zobacz Najczęściej Zadawane Pytania</string>
+    <string name="about_discord">Serwer Discord</string>
+    <string name="about_discord_summary">Dołącz do społeczności Wulkanowego</string>
+    <string name="about_facebook">Fanpage na Facebooku</string>
+    <string name="about_facebook_summary">Polub nasz fanpage na Facebooku</string>
     <string name="about_privacy">Polityka prywatności</string>
     <string name="about_privacy_summary">Zasady zbierania danych osobowych</string>
     <string name="about_homepage">Strona domowa</string>
     <string name="about_homepage_summary">Odwiedź stronę i pomóż rozwijać aplikację</string>
     <string name="about_licenses">Licencje</string>
     <string name="about_licenses_summary">Licencje użytych bibliotek w aplikacji</string>
-
-
     <!--Licenses-->
     <string name="license_dialog_title">Licencja</string>
-
-
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Awatar</string>
+    <string name="contributor_see_more">Zobacz więcej na GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Brak informacji o uczniu lub rodzinie ucznia</string>
+    <string name="student_info_first_name">Imię</string>
+    <string name="student_info_second_name">Drugie imię</string>
+    <string name="student_info_gender">Płeć</string>
+    <string name="student_info_polish_citizenship">Obywatelstwo polskie</string>
+    <string name="student_info_family_name">Nazwisko rodowe</string>
+    <string name="student_info_parents_name">Imiona matki i ojca</string>
+    <string name="student_info_phone">Telefon</string>
+    <string name="student_info_cellphone">Telefon komórkowy</string>
+    <string name="student_info_email">E-mail</string>
+    <string name="student_info_address">Adres zamieszkania</string>
+    <string name="student_info_registered_address">Adres zameldowania</string>
+    <string name="student_info_correspondence_address">Adres korespondencyjny</string>
+    <string name="student_info_full_name">Nazwisko i imię</string>
+    <string name="student_info_kinship">Stopień pokrewieństwa</string>
+    <string name="student_info_guardian_address">Adres</string>
+    <string name="student_info_phones">Telefony</string>
+    <string name="student_info_male">Mężczyzna</string>
+    <string name="student_info_female">Kobieta</string>
+    <string name="student_info_last_name">Nazwisko</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Pseudonim</string>
+    <string name="account_edit_header">Dodaj pseudonim</string>
+    <string name="account_edit_avatar_title">Wybierz kolor awatara</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Udostępnij logi</string>
+    <string name="logviewer_refresh">Odśwież</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Sprawdź dostępność aktualizacji</string>
+    <string name="dialog_error_check_update_message">Przed zgłoszeniem błędu sprawdź wcześniej, czy dostępna jest już aktualizacja z poprawką błędu</string>
     <!--Generic-->
     <string name="all_content">Treść</string>
+    <string name="all_retry">Ponów</string>
     <string name="all_description">Opis</string>
     <string name="all_no_description">Brak opisu</string>
     <string name="all_teacher">Nauczyciel</string>
@@ -256,43 +432,84 @@
     <string name="all_subject">Przedmiot</string>
     <string name="all_prev">Poprzedni</string>
     <string name="all_next">Następny</string>
-
-
+    <string name="all_search">Szukaj</string>
+    <string name="all_search_hint">Szukaj…</string>
+    <string name="all_yes">Tak</string>
+    <string name="all_no">Nie</string>
+    <string name="all_save">Zapisz</string>
     <!--Timetable Widget-->
     <string name="widget_timetable_no_items">Brak lekcji</string>
-
-
+    <string name="widget_timetable_theme_title">Wybierz motyw</string>
+    <string name="widget_timetable_theme_light">Jasny</string>
+    <string name="widget_timetable_theme_dark">Ciemny</string>
+    <string name="widget_timetable_theme_system">Motyw systemu</string>
     <!--Preferences-->
-    <string name="pref_view_header">Wygląd</string>
+    <string name="pref_view_header">Wygląd i zachowanie aplikacji</string>
     <string name="pref_view_list">Domyślny widok</string>
     <string name="pref_view_grade_average_mode">Obliczanie średniej końcoworocznej</string>
     <string name="pref_view_grade_average_force_calc">Wymuś obliczanie średniej przez aplikację</string>
-    <string name="pref_view_present">Pokazuj obecność we frekwencji</string>
-    <string name="pref_view_app_theme">Motyw aplikacji</string>
+    <string name="pref_view_present">Pokazuj obecność</string>
+    <string name="pref_view_app_theme">Motyw</string>
     <string name="pref_view_expand_grade">Rozwiń oceny</string>
+    <string name="pref_view_timetable_show_timers">Oznaczaj bieżącą lekcję</string>
+    <string name="pref_view_timetable_show_groups">Pokazuj grupę obok przedmiotu</string>
+    <string name="pref_view_grade_statistics_list">Pokazuj listę wykresów w ocenach klasy</string>
+    <string name="pref_view_timetable_show_whole_class">Pokazuj lekcje całej klasy</string>
+    <string name="pref_view_subjects_without_grades">Pokazuj przedmioty bez ocen</string>
     <string name="pref_view_grade_color_scheme">Schemat kolorów ocen</string>
-
+    <string name="pref_view_grade_sorting_mode">Sortowanie przedmiotów</string>
+    <string name="pref_view_app_language">Język</string>
     <string name="pref_notify_header">Powiadomienia</string>
     <string name="pref_notify_switch">Pokazuj powiadomienia</string>
+    <string name="pref_notify_upcoming_lessons_switch">Pokazuj powiadomienia o nadchodzących lekcjach</string>
+    <string name="pref_notify_fix_sync_issues">Napraw problemy z synchronizacją i powiadomieniami</string>
+    <string name="pref_notify_fix_sync_issues_message">Na twoim urządzeniu mogą występować problemy z synchronizacją danych i powiadomieniami.\n\nBy je naprawić, dodaj Wulkanowego do autostartu i wyłącz optymalizację/oszczędzanie baterii w ustawieniach systemowych telefonu.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Przejdź do ustawień</string>
     <string name="pref_notify_debug_switch">Pokazuj powiadomienia debugowania</string>
-
+    <string name="pref_notify_disabled_summary">Synchronizacja jest wyłączona</string>
     <string name="pref_services_header">Synchronizacja</string>
     <string name="pref_services_switch">Automatyczna aktualizacja</string>
     <string name="pref_services_suspended">Zawieszona na wakacjach</string>
     <string name="pref_services_interval">Interwał aktualizacji</string>
     <string name="pref_services_wifi">Tylko WiFi</string>
-
-    <string name="pref_other_header">Inne</string>
+    <string name="pref_services_force_sync">Synchronizuj teraz</string>
+    <string name="pref_services_message_sync_success">Zsynchronizowano!</string>
+    <string name="pref_services_message_sync_failed">Synchronizacja nie powiodła się</string>
+    <string name="pref_services_sync_in_progress">Synchronizacja w trakcie</string>
     <string name="pref_other_grade_modifier_plus">Wartość plusa</string>
     <string name="pref_other_grade_modifier_minus">Wartość minusa</string>
     <string name="pref_other_fill_message_content">Odpowiadaj z historią wiadomości</string>
-
-
+    <string name="pref_settings_advanced_title">Zaawansowane</string>
+    <string name="pref_settings_appearance_title">Wygląd i zachowanie</string>
+    <string name="pref_settings_notifications_title">Powiadomienia</string>
+    <string name="pref_settings_sync_title">Synchronizacja</string>
+    <string name="pref_grades_appearance_header">Oceny</string>
+    <string name="pref_attendance_appearance_view">Frekwencja</string>
+    <string name="pref_timetable_appearance_view">Plan lekcji</string>
+    <string name="pref_grades_advanced_header">Oceny</string>
+    <string name="pref_messages_advanced_header">Wiadomości</string>
+    <string name="pref_appearance_category">Wygląd i zachowanie</string>
+    <string name="pref_appearance_category_summary">Języki, motywy, sortowanie przedmiotów</string>
+    <string name="pref_notifications_category_summary">Powiadomienia aplikacji, naprawianie problemów</string>
+    <string name="pref_notifications_category">Powiadomienia</string>
+    <string name="pref_sync_category">Synchronizacja</string>
+    <string name="pref_sync_category_summary">Automatyczna aktualizacja, interwał synchronizacji</string>
+    <string name="pref_advanced_category_summary">Wartości plusa i minusa, obliczanie średniej</string>
+    <string name="pref_advanced_category">Zaawansowane</string>
+    <string name="pref_about_category_summary">Wersja aplikacji, twórcy, media społecznościowe, licencje</string>
     <!--Notification Channels-->
     <string name="channel_new_entries">Nowe wpisy w dzienniku</string>
+    <string name="channel_new_grades">Nowe oceny</string>
+    <string name="channel_lucky_number">Szczęśliwy numerek</string>
+    <string name="channel_new_message">Nowe wiadomości</string>
+    <string name="channel_new_notes">Nowe uwagi</string>
+    <string name="channel_push">Powiadomienia push</string>
+    <string name="channel_upcoming_lessons">Nadchodzące lekcje</string>
     <string name="channel_debug">Debugowanie</string>
-
-
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Koniec wsparcia</string>
+    <string name="drop_kitkat_content">Kończymy wsparcie dla Twojego urządzenia. Nie pojawią się już dla niego żadne nowe funkcje w Wulkanowym. Będziemy jednak wypuszczać krytyczne poprawki do końca 2021 roku, abyś miał czas na przeniesienie się na nowszy model</string>
+    <string name="drop_kitkat_again">Nie pokazuj ponownie</string>
     <!--Colors-->
     <string name="all_black">Czarny</string>
     <string name="all_red">Czerwony</string>
@@ -300,18 +517,23 @@
     <string name="all_green">Zielony</string>
     <string name="all_purple">Fioletowy</string>
     <string name="all_empty_color">Brak koloru</string>
-
-
     <!--Others-->
     <string name="all_copied">Skopiowano</string>
     <string name="all_undo">Cofnij</string>
-
-
+    <!--Update helper-->
+    <string name="update_download_started">Rozpoczęto pobieranie aktualizacji…</string>
+    <string name="update_download_success">Aktualizacja została pobrana.</string>
+    <string name="update_download_success_button">Uruchom ponownie</string>
+    <string name="update_failed">Aktualizacja nie powiodła się! Wulkanowy może nie działać prawidłowo. Rozważ aktualizację</string>
     <!--Errors-->
     <string name="error_no_internet">Brak połączenia z internetem</string>
-    <string name="error_timeout">Zbyt długie oczekiwanie na połączenie z dziennikiem</string>
-    <string name="error_login_failed">Logowanie nie powiodło się. Spróbuj ponownie lub zrestartuj aplikację</string>
-    <string name="error_service_unavailable">Dziennik jest niedostępny. Spróbuj ponownie później</string>
+    <string name="error_timeout">Nie udało się połączyć z dziennikiem. Serwery mogą być przeciążone. Spróbuj ponownie później</string>
+    <string name="error_login_failed">Ładowanie danych nie powiodło się. Spróbuj ponownie później</string>
+    <string name="error_password_change_required">Wymagana zmiana hasła do dziennika</string>
+    <string name="error_service_unavailable">Trwa przerwa techniczna dziennika UONET+. Spróbuj ponownie później</string>
+    <string name="error_unknown_uonet">Nieznany błąd dziennika UONET+. Spróbuj ponownie później</string>
+    <string name="error_unknown_app">Nieznany błąd aplikacji. Spróbuj ponownie później</string>
     <string name="error_unknown">Wystąpił nieoczekiwany błąd</string>
     <string name="error_feature_disabled">Funkcja wyłączona przez szkołę</string>
+    <string name="error_feature_not_available">Funkcja niedostępna. Zaloguj się w trybie innym niż Mobilne API</string>
 </resources>
diff --git a/app/src/main/res/values-pl/value_prefernces.xml b/app/src/main/res/values-pl/value_prefernces.xml
deleted file mode 100644
index 868ead4d9..000000000
--- a/app/src/main/res/values-pl/value_prefernces.xml
+++ /dev/null
@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string-array name="services_interval_entries">
-        <item>15 minut</item>
-        <item>30 minut</item>
-        <item>1 godzina</item>
-        <item>2 godziny</item>
-        <item>6 godzin</item>
-        <item>12 godzin</item>
-        <item>24 godziny</item>
-    </string-array>
-
-    <string-array name="app_theme_entries">
-        <item>Jasny</item>
-        <item>Ciemny</item>
-        <item>Czarny (AMOLED)</item>
-    </string-array>
-
-    <string-array name="grade_modifier_entries">
-        <item>Domyślna</item>
-        <item>0,25</item>
-        <item>0,33</item>
-        <item>0,5</item>
-        <item>0,75</item>
-    </string-array>
-
-    <string-array name="grade_color_scheme_entries">
-        <item>Dzienniczek+</item>
-        <item>Wulkanowy</item>
-        <item>Kolory ocen w dzienniku</item>
-    </string-array>
-
-    <string-array name="grade_average_mode_entries">
-        <item>Średnia ocen z 2 semestru</item>
-        <item>Średnia ocen z całego roku</item>
-    </string-array>
-</resources>
diff --git a/app/src/main/res/values-ru-v29/preferences_values.xml b/app/src/main/res/values-ru-v29/preferences_values.xml
new file mode 100644
index 000000000..2d8606a84
--- /dev/null
+++ b/app/src/main/res/values-ru-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Тема системы</item>
+        <item>Светлая</item>
+        <item>Тёмная</item>
+        <item>Тёмная (AMOLED)</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-ru/preferences_values.xml b/app/src/main/res/values-ru/preferences_values.xml
new file mode 100644
index 000000000..64b777fb3
--- /dev/null
+++ b/app/src/main/res/values-ru/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Светлая</item>
+        <item>Тёмная</item>
+        <item>Тёмная (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Язык системы</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 минут</item>
+        <item>30 минут</item>
+        <item>1 час</item>
+        <item>2 часа</item>
+        <item>6 часов</item>
+        <item>12 часов</item>
+        <item>24 часа</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,0</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Алфавитный</item>
+        <item>По дате</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Цвета оценок в дневнике</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Средняя оценка со 2 семестра</item>
+        <item>Средняя оценка с двух семестров</item>
+        <item>Средняя оценок со всего года</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Не показывать</item>
+        <item>Показать все</item>
+        <item>Показать меньше</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
new file mode 100644
index 000000000..665d9dc46
--- /dev/null
+++ b/app/src/main/res/values-ru/strings.xml
@@ -0,0 +1,539 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Авторизация</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Оценки</string>
+    <string name="attendance_title">Посещаемость</string>
+    <string name="exam_title">Тесты</string>
+    <string name="timetable_title">Расписание</string>
+    <string name="settings_title">Настройки</string>
+    <string name="more_title">Ещё</string>
+    <string name="about_title">О приложении</string>
+    <string name="logviewer_title">Просмотр журнала</string>
+    <string name="contributors_title">Разработчики</string>
+    <string name="license_title">Лицензии</string>
+    <string name="message_title">Сообщения</string>
+    <string name="send_message_title">Новое сообщение</string>
+    <string name="note_title">Предупреждения и свершения</string>
+    <string name="homework_title">Домашние задания</string>
+    <string name="account_title">Менеджер аккаунтов</string>
+    <string name="account_quick_title">Выбор учетной записи</string>
+    <string name="account_details_title">Данные аккаунта</string>
+    <string name="student_info_title">Информация о студенте</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">%1$d семестр, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Авторизируйтесь при помощи аккаунта ученика или родителя</string>
+    <string name="login_header_symbol">Введите символ со страницы регистрации</string>
+    <string name="login_nickname_hint">Имя пользователя</string>
+    <string name="login_email_hint">Электронная почта</string>
+    <string name="login_login_pesel_email_hint">Логин, PESEL или электронная почта</string>
+    <string name="login_password_hint">Пароль</string>
+    <string name="login_host_hint">UONET + вариант регистрации</string>
+    <string name="login_type_api">Мобильный API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Гибрид</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Ключ API</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Войти</string>
+    <string name="login_invalid_password">Слишком короткий пароль</string>
+    <string name="login_incorrect_password">Данные для входа неверны. Убедитесь, что в поле ниже выбран правильный вариант регистра UONET+</string>
+    <string name="login_invalid_pin">Неправильный PIN</string>
+    <string name="login_invalid_token">Неверный token</string>
+    <string name="login_expired_token">Token просрочен</string>
+    <string name="login_invalid_email">Неверный адрес электронной почты</string>
+    <string name="login_invalid_login">Используйте назначенный логин вместо электронной почты</string>
+    <string name="login_invalid_custom_email">Использовать назначенный логин или email в @%1$s</string>
+    <string name="login_invalid_symbol">Неправильный символ</string>
+    <string name="login_incorrect_symbol">Студент не найден. Подтвердите символ и выбранный вариант регистра UONET+</string>
+    <string name="login_field_required">Это обязательное поле</string>
+    <string name="login_duplicate_student">Данный ученик уже авторизован</string>
+    <string name="login_symbol_helper">Этот символ можно найти на странице регистрации в &#160;<b>Ученик</b> → &#160;<b>Телефонный доступ</b> → &#160;<b> Зарегистрируйте мобильное устройство</b>.\n\nУбедитесь, что вы установили соответствующий вариант регистра в поле <b>Разновидностью бревна UONET+</b> на предыдущем экране. Вулкановый на данный момент не обнаруживает дошкольников</string>
+    <string name="login_select_student">Выберите учеников для авторизации в приложении</string>
+    <string name="login_advanced">Другие варианты</string>
+    <string name="login_advanced_warning_mobile_api">В этом режиме не работают: счастливый номер, статистика класса по оценкам, статистика посещаемости и уроков, информация о школе и список зарегистрированных устройств</string>
+    <string name="login_advanced_warning_scraper">Scraper - режим, который показывает данные так же, как и сайт дневника</string>
+    <string name="login_advanced_warning_hybrid">Hybrid - это комбинация лучших функций остальных двух режимов. Он работает быстрее, чем Scraper, и вводит функции, которых нет в режиме Mobile API. Находится в экспериментальной стадии</string>
+    <string name="login_privacy_policy">Политика приватности</string>
+    <string name="login_contact_header">Проблемы с авторизацией? Свяжитесь с нами!</string>
+    <string name="login_contact_email">Электронная почта</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Отправить письмо</string>
+    <string name="login_email_details">Опишите детали проблемы:</string>
+    <string name="login_recover_warning">Убедитесь, что вы выбрали правильный вариант регистра UONET+!</string>
+    <string name="login_recover_button">Я забыл свой пароль</string>
+    <string name="login_recover_title">Восстановите свой аккаунт</string>
+    <string name="login_recover">Восстановить</string>
+    <string name="login_signed_in">Студент уже вошел в систему</string>
+    <!--Main-->
+    <string name="main_account_picker">Менеджер аккаунтов</string>
+    <string name="main_log_in">Войти</string>
+    <string name="main_session_expired">Сеанс истёк</string>
+    <string name="main_session_relogin">Сеанс истёк, пожалуйста, войдите ещё раз</string>
+    <!--Grade-->
+    <string name="grade_header">Оценка</string>
+    <string name="grade_semester">Семестр %d</string>
+    <string name="grade_switch_semester">Сменить семестр</string>
+    <string name="grade_no_items">Оценки отсутствуют</string>
+    <string name="grade_weight">Стоимость</string>
+    <string name="grade_weight_value">Стоимость: %s</string>
+    <string name="grade_comment">Комментарий</string>
+    <string name="grade_no_new_items">Новые оценки отсутствуют</string>
+    <string name="grade_number_new_items">Количество новых оценок: %1$d</string>
+    <string name="grade_average">Средняя оценка: %1$.2f</string>
+    <string name="grade_points_sum">Баллы: %s</string>
+    <string name="grade_no_average">Средняя оценка отсутствует</string>
+    <string name="grade_predicted">Ожидаемая оценка: %1$s</string>
+    <string name="grade_final">Итоговая оценка: %1$s</string>
+    <string name="grade_summary_points">Сумма баллов</string>
+    <string name="grade_summary_final_grade">Итоговая оценка</string>
+    <string name="grade_summary_predicted_grade">Ожидаемая оценка</string>
+    <string name="grade_summary_calculated_average">Рассчитанная средняя оценка</string>
+    <string name="grade_summary_final_average">Итоговая средняя оценка</string>
+    <string name="grade_menu_summary">Итоги</string>
+    <string name="grade_menu_statistics">Класс</string>
+    <string name="grade_menu_read">Пометить как \"прочитанное\"</string>
+    <string name="grade_statistics_partial">Частичные</string>
+    <string name="grade_statistics_semester">За семестр</string>
+    <string name="grade_statistics_points">Баллы</string>
+    <string name="grade_statistics_legend">Легенда</string>
+    <string name="grade_statistics_average">Средняя: %1$s</string>
+    <string name="grade_statistics_average_class">Класс</string>
+    <string name="grade_statistics_average_student">Студент</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d оценка</item>
+        <item quantity="few">%d оценки</item>
+        <item quantity="many">%d оценок</item>
+        <item quantity="other">%d оценок</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Новая оценка</item>
+        <item quantity="few">Новые оценки</item>
+        <item quantity="many">Новые оценки</item>
+        <item quantity="other">Новые оценки</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Новая ожидаемая оценка</item>
+        <item quantity="few">Новые ожидаемые оценки</item>
+        <item quantity="many">Новые ожидаемые оценки</item>
+        <item quantity="other">Новые ожидаемые оценки</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Новая итоговая оценка</item>
+        <item quantity="few">Новые итоговые оценки</item>
+        <item quantity="many">Новые итоговые оценки</item>
+        <item quantity="other">Новые итоговые оценки</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Вы получили %1$d оценку</item>
+        <item quantity="few">Вы получили %1$d оценки</item>
+        <item quantity="many">Вы получили %1$d оценок</item>
+        <item quantity="other">Вы получили %1$d оценок</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Вы получили %1$d ожидаемую оценку</item>
+        <item quantity="few">Вы получили %1$d ожидаемые оценки</item>
+        <item quantity="many">Вы получили %1$d ожидаемых оценок</item>
+        <item quantity="other">Вы получили %1$d ожидаемых оценок</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Вы получили %1$d итоговою оценку</item>
+        <item quantity="few">Вы получили %1$d итоговых оценки</item>
+        <item quantity="many">Вы получили %1$d итоговых оценок</item>
+        <item quantity="other">Вы получили %1$d финальные оценки</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Урок</string>
+    <string name="timetable_room">Аудитория</string>
+    <string name="timetable_group">Группа</string>
+    <string name="timetable_time">Часы</string>
+    <string name="timetable_changes">Изменения</string>
+    <string name="timetable_no_items">Нету уроков в данный день</string>
+    <string name="timetable_minutes">%s мин</string>
+    <string name="timetable_seconds">%s сек</string>
+    <string name="timetable_time_left">%1$s осталось</string>
+    <string name="timetable_time_until">через %1$s</string>
+    <string name="timetable_finished">Окончен</string>
+    <string name="timetable_now">Сейчас: %s</string>
+    <string name="timetable_next">Следующий: %s</string>
+    <string name="timetable_later">Позже: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Проведённые уроки</string>
+    <string name="completed_lessons_button">Просмотреть проведённые уроки</string>
+    <string name="completed_lessons_no_items">Нет информации о проведённых уроках</string>
+    <string name="completed_lessons_topic">Тема</string>
+    <string name="completed_lessons_absence">Отсутствие</string>
+    <string name="completed_lessons_resources">Ресурсы</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Дополнительные уроки</string>
+    <string name="additional_lessons_button">Показать дополнительные уроки</string>
+    <string name="additional_lessons_no_items">Нет информации о дополнительных уроках</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Итоговая посещаемость</string>
+    <string name="attendance_absence_school">Отсутствие по школьным причинам</string>
+    <string name="attendance_absence_excused">Отсутствие по уважительной причине</string>
+    <string name="attendance_absence_unexcused">Отсутствие по неуважительной причине</string>
+    <string name="attendance_exemption">Освобождение</string>
+    <string name="attendance_excused_lateness">Опоздание по уважительным причинам</string>
+    <string name="attendance_unexcused_lateness">Опоздание по неуважительным причинам</string>
+    <string name="attendance_present">Присутствие</string>
+    <string name="attendance_deleted">Удалено</string>
+    <string name="attendance_unknown">Неизвестно</string>
+    <string name="attendance_number">Урок №</string>
+    <string name="attendance_no_items">Данные не найдены</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d отсутствие</item>
+        <item quantity="few">%1$d отсутствия</item>
+        <item quantity="many">%1$d отсутствий</item>
+        <item quantity="other">%1$d отсутствий</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Причина отсутствия (необязательно)</string>
+    <string name="attendance_excuse_dialog_submit">Послать</string>
+    <string name="attendance_excuse_success">Запрос на освобождение оправдания успешно отправлен!</string>
+    <string name="attendance_excuse_no_selection">Выберите хотя-бы одно отсутствие</string>
+    <string name="attendance_excuse_title">Изменить статус</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Посещаемость</string>
+    <string name="attendance_summary_total">Общая</string>
+    <!--Exam-->
+    <string name="exam_no_items">Нет тестов на этой неделе</string>
+    <string name="exam_type">Тип</string>
+    <string name="exam_entry_date">Дата записи</string>
+    <!--Message-->
+    <string name="message_inbox">Полученные</string>
+    <string name="message_sent">Отправленные</string>
+    <string name="message_trash">Корзина</string>
+    <string name="message_no_subject">(нет темы)</string>
+    <string name="message_no_items">Нет сообщений</string>
+    <string name="message_preview_error">Произошла ошибка во время получения содержания сообщения</string>
+    <string name="message_from">От:</string>
+    <string name="message_to">Кому:</string>
+    <string name="message_date">Дата: %s</string>
+    <string name="message_reply">Ответ</string>
+    <string name="message_forward">Переслать</string>
+    <string name="message_delete">Удалить</string>
+    <string name="message_move_to_bin">Перенести в корзину</string>
+    <string name="message_delete_forever">Удалить навсегда</string>
+    <string name="message_delete_success">Сообщение успешно удалено</string>
+    <string name="message_share">Поделиться</string>
+    <string name="message_print">Печать</string>
+    <string name="message_subject">Тема</string>
+    <string name="message_content">Текст</string>
+    <string name="message_send_successful">Сообщение успешно отправлено</string>
+    <string name="message_not_exists">Сообщения не существует</string>
+    <string name="message_required_recipients">Вы должны выбрать как минимум одного получателя</string>
+    <string name="message_content_min_length">Текст сообщения должен содержать как минимум 3 знака</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d сообщение</item>
+        <item quantity="few">%d сообщения</item>
+        <item quantity="many">%d сообщений</item>
+        <item quantity="other">%d сообщений</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Новое сообщение</item>
+        <item quantity="few">Новые сообщения</item>
+        <item quantity="many">Новые сообщения</item>
+        <item quantity="other">Новые сообщения</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Вы получили %1$d новое сообщение</item>
+        <item quantity="few">Вы получили %1$d новых сообщения</item>
+        <item quantity="many">Вы получили %1$d новых сообщений</item>
+        <item quantity="other">Вы получили %1$d новых сообщений</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Нет информации о заметках</string>
+    <string name="note_points">Баллы</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d предупреждение</item>
+        <item quantity="few">%d предупреждения</item>
+        <item quantity="many">%d предупреждений</item>
+        <item quantity="other">%d предупреждений</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Новое предупреждение</item>
+        <item quantity="few">Новые предупреждения</item>
+        <item quantity="many">Новых предупреждений</item>
+        <item quantity="other">Новых предупреждений</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">Вы получили %1$d предупреждение</item>
+        <item quantity="few">Вы получили %1$d предупреждения</item>
+        <item quantity="many">Вы получили %1$d предупреждений</item>
+        <item quantity="other">Вы получили %1$d предупреждений</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d похвала</item>
+        <item quantity="few">%d похвала</item>
+        <item quantity="many">%d похвала</item>
+        <item quantity="other">%d похвала</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Новая похвала</item>
+        <item quantity="few">Новые похвалы</item>
+        <item quantity="many">Новые свершения</item>
+        <item quantity="other">Новые похвалы</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Вы получили %1$d похвалу</item>
+        <item quantity="few">Вы получили %1$d похвалы</item>
+        <item quantity="many">Вы получили %1$d похвалы</item>
+        <item quantity="other">Вы получили %1$d похвалы</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d нейтральное замечание</item>
+        <item quantity="few">%d нейтральных замечания</item>
+        <item quantity="many">%d нейтральных замечаний</item>
+        <item quantity="other">%d нейтральных замечаний</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Новое нейтральное замечание</item>
+        <item quantity="few">Новые нейтральные замечания</item>
+        <item quantity="many">Новые нейтральные замечания</item>
+        <item quantity="other">Новые нейтральные замечания</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Вы получили %1$d нейтральное замечание</item>
+        <item quantity="few">Вы получили %1$d нейтральных замечания</item>
+        <item quantity="many">Вы получили %1$d нейтральных замечаний</item>
+        <item quantity="other">Вы получили %1$d нейтральных замечаний</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Нет домашних заданий</string>
+    <string name="homework_mark_as_done">Отметить как выполненное</string>
+    <string name="homework_mark_as_undone">Отметить как невыполненное</string>
+    <string name="homework_attachments">Вложения</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Счастливый номер</string>
+    <string name="lucky_number_header">Сегодняшний счастливый номер это</string>
+    <string name="lucky_number_empty">Нет данных о счастливом номере</string>
+    <string name="lucky_number_notify_new_item_title">Сегодняшний счастливый номер</string>
+    <string name="lucky_number_notify_new_item">Сегодняшний счастливый номер это: %d</string>
+    <string name="lucky_number_history_button">Показать историю</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">История удачных чисел</string>
+    <string name="lucky_number_history_empty">Нет информации о номерах удачи</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Мобильные устройства</string>
+    <string name="mobile_devices_no_items">Нет устройств</string>
+    <string name="mobile_devices_unregister">Отменить регистрацию</string>
+    <string name="mobile_device_removed">Устройство удалено</string>
+    <string name="mobile_device_qr">QR-код</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Школа и учителя</string>
+    <!--School-->
+    <string name="school_title">Школа</string>
+    <string name="school_no_info">Нет информации о школе</string>
+    <string name="school_name">Название школы</string>
+    <string name="school_address">Адрес школы</string>
+    <string name="school_telephone">Телефон</string>
+    <string name="school_headmaster">Имя директора</string>
+    <string name="school_pedagogue">Имя педагога</string>
+    <string name="school_address_button">Показать на карте</string>
+    <string name="school_telephone_button">Позвонить</string>
+    <!--Teacher-->
+    <string name="teachers_title">Учителя</string>
+    <string name="teacher_no_items">Нет информации о учителях</string>
+    <string name="teacher_no_subject">Нет предмета</string>
+    <!--Conference-->
+    <string name="conferences_title">Встречи</string>
+    <string name="conference_no_items">Нет информации о встречах</string>
+    <!--Account-->
+    <string name="account_add_new">Добавить аккаунт</string>
+    <string name="account_logout">Выйти</string>
+    <string name="account_confirm">Вы точно хотите выйти из данного аккаунта?</string>
+    <string name="account_logout_student">Выйти</string>
+    <string name="account_type_student">Профиль ученика</string>
+    <string name="account_type_parent">Профиль родителя</string>
+    <string name="account_login_mobile_api">Режим Mobile API</string>
+    <string name="account_login_hybrid">Гибридный режим</string>
+    <string name="account_details_edit">Изменить данные</string>
+    <string name="account_quick_manager">Менеджер аккаунтов</string>
+    <string name="account_select_student">Выберите Студента</string>
+    <string name="account_family">Семья</string>
+    <string name="account_contact">Контакт</string>
+    <string name="account_address">Детали проживания</string>
+    <string name="account_personal_data">Персональные данные</string>
+    <!--About-->
+    <string name="about_version">Версия приложения</string>
+    <string name="about_contributor">Разработчики</string>
+    <string name="about_contributor_summary">Список разработчиков \"Вулкановый\"</string>
+    <string name="about_feedback">Возникла ошибка?</string>
+    <string name="about_feedback_summary">Сообщить о ошибке</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Часто задаваемые вопросы</string>
+    <string name="about_discord">Сервер Discord</string>
+    <string name="about_discord_summary">Присоединиться к сообществу приложения</string>
+    <string name="about_facebook">Facebook фан-страница</string>
+    <string name="about_facebook_summary">Поставьте лайк на нашей странице в Facebook</string>
+    <string name="about_privacy">Политика приватности</string>
+    <string name="about_privacy_summary">Правила хранения личных данных</string>
+    <string name="about_homepage">Домашняя страница</string>
+    <string name="about_homepage_summary">Помочь в развитии приложения</string>
+    <string name="about_licenses">Лицензии</string>
+    <string name="about_licenses_summary">Лицензии использованных библиотек</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Лицензия</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Aватар</string>
+    <string name="contributor_see_more">Страница проекта на GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Нет информации об ученике или семье ученика</string>
+    <string name="student_info_first_name">Имя</string>
+    <string name="student_info_second_name">Фамилия</string>
+    <string name="student_info_gender">Пол</string>
+    <string name="student_info_polish_citizenship">Польское гражданство</string>
+    <string name="student_info_family_name">Фамилия</string>
+    <string name="student_info_parents_name">Имена матери и отца</string>
+    <string name="student_info_phone">Телефон</string>
+    <string name="student_info_cellphone">Сотовый телефон</string>
+    <string name="student_info_email">Эл. почта</string>
+    <string name="student_info_address">Адрес проживания</string>
+    <string name="student_info_registered_address">Адрес регистрации</string>
+    <string name="student_info_correspondence_address">Адрес переписки</string>
+    <string name="student_info_full_name">Фамилия и имя</string>
+    <string name="student_info_kinship">Степень родства</string>
+    <string name="student_info_guardian_address">Адрес</string>
+    <string name="student_info_phones">Телефоны</string>
+    <string name="student_info_male">Муж</string>
+    <string name="student_info_female">Женская</string>
+    <string name="student_info_last_name">Фамилия</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Ник</string>
+    <string name="account_edit_header">Добавить ник</string>
+    <string name="account_edit_avatar_title">Выберите цвет аватара</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Поделиться логами</string>
+    <string name="logviewer_refresh">Обновить</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Проверить наличие обновлений</string>
+    <string name="dialog_error_check_update_message">Прежде чем сообщать об ошибке, проверьте наличие обновлений</string>
+    <!--Generic-->
+    <string name="all_content">Содержание</string>
+    <string name="all_retry">Повторить</string>
+    <string name="all_description">Описание</string>
+    <string name="all_no_description">Нет описания</string>
+    <string name="all_teacher">Учитель</string>
+    <string name="all_date">Дата</string>
+    <string name="all_entry_date">Дата записи</string>
+    <string name="all_color">Цвет</string>
+    <string name="all_details">Детали</string>
+    <string name="all_category">Категория</string>
+    <string name="all_close">Закрыть</string>
+    <string name="all_no_data">Нет данных</string>
+    <string name="all_subject">Предмет</string>
+    <string name="all_prev">Предыдущий</string>
+    <string name="all_next">Следующий</string>
+    <string name="all_search">Поиск</string>
+    <string name="all_search_hint">Поиск…</string>
+    <string name="all_yes">Да</string>
+    <string name="all_no">Нет</string>
+    <string name="all_save">Сохранить</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Нет уроков</string>
+    <string name="widget_timetable_theme_title">Выбрать тему</string>
+    <string name="widget_timetable_theme_light">Светлая</string>
+    <string name="widget_timetable_theme_dark">Тёмная</string>
+    <string name="widget_timetable_theme_system">Тема системы</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Внешний вид приложения &amp; поведение</string>
+    <string name="pref_view_list">Окно по умолчанию</string>
+    <string name="pref_view_grade_average_mode">Способ определения средней годовой оценки</string>
+    <string name="pref_view_grade_average_force_calc">Принудительно высчитать среднюю оценку через приложение</string>
+    <string name="pref_view_present">Показать присутствие</string>
+    <string name="pref_view_app_theme">Тема</string>
+    <string name="pref_view_expand_grade">Разворачивать оценки</string>
+    <string name="pref_view_timetable_show_timers">Отметить текущий урок</string>
+    <string name="pref_view_timetable_show_groups">Показать группы рядом с темами</string>
+    <string name="pref_view_grade_statistics_list">Показывать диаграммы в оценках класса</string>
+    <string name="pref_view_timetable_show_whole_class">Показать уроки всего класса</string>
+    <string name="pref_view_subjects_without_grades">Показать предметы без оценок</string>
+    <string name="pref_view_grade_color_scheme">Схема цветов оценок</string>
+    <string name="pref_view_grade_sorting_mode">Сортировка уроков</string>
+    <string name="pref_view_app_language">Язык</string>
+    <string name="pref_notify_header">Уведомления</string>
+    <string name="pref_notify_switch">Показывать уведомления</string>
+    <string name="pref_notify_upcoming_lessons_switch">Показывать уведомления о будущих уроках</string>
+    <string name="pref_notify_fix_sync_issues">Исправить проблемы с синхронизацией и уведомлениями</string>
+    <string name="pref_notify_fix_sync_issues_message">На вашем устройстве могут быть проблемы с синхронизацией данных и уведомлениями.\n\nЧтобы их исправить, вам необходимо добавить Wulkanowy в авто-старт и выключить оптимизацию/экономию батареи в настройках устройства.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Перейти в настройски</string>
+    <string name="pref_notify_debug_switch">Показывать дебаг-уведомления</string>
+    <string name="pref_notify_disabled_summary">Синхронизация отключена</string>
+    <string name="pref_services_header">Синхронизация</string>
+    <string name="pref_services_switch">Автоматическая синхронизация</string>
+    <string name="pref_services_suspended">Приостановить синхронизации во время каникул</string>
+    <string name="pref_services_interval">Интервал синхронизации</string>
+    <string name="pref_services_wifi">Только через Wi-Fi</string>
+    <string name="pref_services_force_sync">Синхронизировать</string>
+    <string name="pref_services_message_sync_success">Синхронизировано!</string>
+    <string name="pref_services_message_sync_failed">Синхронизация не удалась</string>
+    <string name="pref_services_sync_in_progress">Идёт синхронизация</string>
+    <string name="pref_other_grade_modifier_plus">Стоимость плюса</string>
+    <string name="pref_other_grade_modifier_minus">Стоимость минуса</string>
+    <string name="pref_other_fill_message_content">Отвечать с историей сообщений</string>
+    <string name="pref_settings_advanced_title">Расширенные</string>
+    <string name="pref_settings_appearance_title">Внешний вид &amp; Поведение</string>
+    <string name="pref_settings_notifications_title">Уведомления</string>
+    <string name="pref_settings_sync_title">Синхронизация</string>
+    <string name="pref_grades_appearance_header">Оценки</string>
+    <string name="pref_attendance_appearance_view">Посещаемость</string>
+    <string name="pref_timetable_appearance_view">Расписание</string>
+    <string name="pref_grades_advanced_header">Оценки</string>
+    <string name="pref_messages_advanced_header">Сообщения</string>
+    <string name="pref_appearance_category">Внешний вид &amp; Поведение</string>
+    <string name="pref_appearance_category_summary">Языки, темы, темы сортировки темы</string>
+    <string name="pref_notifications_category_summary">Уведомления приложений, проблемы с устранением</string>
+    <string name="pref_notifications_category">Уведомления</string>
+    <string name="pref_sync_category">Синхронизация</string>
+    <string name="pref_sync_category_summary">Автоматическое обновление, интервал синхронизации</string>
+    <string name="pref_advanced_category_summary">Значения плюс и минус, средний расчет</string>
+    <string name="pref_advanced_category">Расширенные</string>
+    <string name="pref_about_category_summary">Версия приложения, участники, социальные порталы, лицензии</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Новые данные в дневнике</string>
+    <string name="channel_new_grades">Новые оценки</string>
+    <string name="channel_lucky_number">Счастливый номер</string>
+    <string name="channel_new_message">Новые сообщения</string>
+    <string name="channel_new_notes">Новые заметки</string>
+    <string name="channel_push">Показывать push-уведомления</string>
+    <string name="channel_upcoming_lessons">Будущие уроки</string>
+    <string name="channel_debug">Дебаг</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Конец поддержки</string>
+    <string name="drop_kitkat_content">Поддержка заканчивается на вашем устройстве. В Wulkanowy больше не появятся новые возможности. Однако до конца 2021 года мы выпустим критические патчи, чтобы у вас было время перейти на новую модель</string>
+    <string name="drop_kitkat_again">Не показывать снова</string>
+    <!--Colors-->
+    <string name="all_black">Чёрный</string>
+    <string name="all_red">Красный</string>
+    <string name="all_blue">Голубой</string>
+    <string name="all_green">Зелёный</string>
+    <string name="all_purple">Фиолетовый</string>
+    <string name="all_empty_color">Нет цвета</string>
+    <!--Others-->
+    <string name="all_copied">Скопировано</string>
+    <string name="all_undo">Отменить</string>
+    <!--Update helper-->
+    <string name="update_download_started">Загрузка обновлений началась…</string>
+    <string name="update_download_success">Только что было скачано обновление.</string>
+    <string name="update_download_success_button">Перезапустить</string>
+    <string name="update_failed">Не удалось обновить! Wulkanowy может работать некорректно. Рассмотрите возможность обновления</string>
+    <!--Errors-->
+    <string name="error_no_internet">Нет интернет-подключения</string>
+    <string name="error_timeout">Не удалось подключиться к регистрации. Серверы могут быть перегружены. Пожалуйста, повторите попытку позже</string>
+    <string name="error_login_failed">Не удалось загрузить данные. Пожалуйста, повторите попытку позже</string>
+    <string name="error_password_change_required">Необходимо изменить пароль реестра</string>
+    <string name="error_service_unavailable">Технический перерыв в журнале UONET + продолжается. Попробуйте позже</string>
+    <string name="error_unknown_uonet">Неизвестная ошибка UONET + регистр. Попробуйте позже</string>
+    <string name="error_unknown_app">Неизвестная ошибка приложения. Пожалуйста, повторите попытку позже</string>
+    <string name="error_unknown">Произошла неожиданная ошибка</string>
+    <string name="error_feature_disabled">Функция была выключена школой</string>
+    <string name="error_feature_not_available">Функция не доступна в этом режиме</string>
+</resources>
diff --git a/app/src/main/res/values-sk-v29/preferences_values.xml b/app/src/main/res/values-sk-v29/preferences_values.xml
new file mode 100644
index 000000000..8c5306bb7
--- /dev/null
+++ b/app/src/main/res/values-sk-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Motív systému</item>
+        <item>Svetlý</item>
+        <item>Tmavý</item>
+        <item>Čierny (AMOLED)</item>
+    </string-array>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sk/preferences_values.xml b/app/src/main/res/values-sk/preferences_values.xml
new file mode 100644
index 000000000..b0ba9839c
--- /dev/null
+++ b/app/src/main/res/values-sk/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Svetlý</item>
+        <item>Tmavý</item>
+        <item>Čierny (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Jazyk systému</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 minút</item>
+        <item>30 minút</item>
+        <item>1 hodina</item>
+        <item>2 hodiny</item>
+        <item>6 hodín</item>
+        <item>12 hodín</item>
+        <item>24 hodín</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,00</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>Abecedne</item>
+        <item>Podľa dátumu</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Farby známok v denníku</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Priemer známok až od druhého semestra</item>
+        <item>Priemer známok z oboch semestrov</item>
+        <item>Priemer známok z celého roka</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Nezobrazovať</item>
+        <item>Zobraziť všetko</item>
+        <item>Zobraziť menšie</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
new file mode 100644
index 000000000..8a5b8d242
--- /dev/null
+++ b/app/src/main/res/values-sk/strings.xml
@@ -0,0 +1,539 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Prihlásenie</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Známky</string>
+    <string name="attendance_title">Dochádzka</string>
+    <string name="exam_title">Skúšky</string>
+    <string name="timetable_title">Plán lekcie</string>
+    <string name="settings_title">Nastavenia</string>
+    <string name="more_title">Viac</string>
+    <string name="about_title">O aplikácii</string>
+    <string name="logviewer_title">Prehliadač protokolov</string>
+    <string name="contributors_title">Prispievatelia</string>
+    <string name="license_title">Licencie</string>
+    <string name="message_title">Správy</string>
+    <string name="send_message_title">Nová správa</string>
+    <string name="note_title">Poznámky a úspechy</string>
+    <string name="homework_title">Domáce úlohy</string>
+    <string name="account_title">Manažér účtov</string>
+    <string name="account_quick_title">Vyberte účet</string>
+    <string name="account_details_title">Podrobnosti účtu</string>
+    <string name="student_info_title">Informácie o žiakovi</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semester %1$d, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Prihláste sa pomocou študentského alebo rodičovského konta</string>
+    <string name="login_header_symbol">Zadajte symbol zo stránky denníka</string>
+    <string name="login_nickname_hint">Užívateľské meno</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Prihlásenie, číslo PESEL alebo e-mail</string>
+    <string name="login_password_hint">Heslo</string>
+    <string name="login_host_hint">Variácie denníka UONET+</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybridné</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Kľúč API</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Prihlásiť</string>
+    <string name="login_invalid_password">Toto heslo je príliš krátke</string>
+    <string name="login_incorrect_password">Prihlasovacie údaje sú nesprávne. Uistite sa, že je v poli nižšie vybraná správna variácie denníka UONET+</string>
+    <string name="login_invalid_pin">Neplatný PIN</string>
+    <string name="login_invalid_token">Neplatný token</string>
+    <string name="login_expired_token">Platnosť tokenu vypršala</string>
+    <string name="login_invalid_email">Neplatný e-mail</string>
+    <string name="login_invalid_login">Namiesto e-mailu použite priradené prihlasovacie údaje</string>
+    <string name="login_invalid_custom_email">Použite priradené prihlasovacie alebo e-mail v @%1$s</string>
+    <string name="login_invalid_symbol">Neplatný symbol</string>
+    <string name="login_incorrect_symbol">Žiak nebol nájdený. Skontrolujte správnosť symbolu a vybrané varianty denníka UONET+</string>
+    <string name="login_field_required">Toto pole je povinné</string>
+    <string name="login_duplicate_student">Vybraný žiak už je prihlásený</string>
+    <string name="login_symbol_helper">Symbol nájdete na stránke denníka v &#160;<b>Uczeń</b>→&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nUistite sa, že ste na predchádzajúcu obrazovke nastaviť správny variant denníka do poľa <b>Variácie denníka UONET+</b>. Wulkanowy v túto chvíľu nezistí predškolské żaków</string>
+    <string name="login_select_student">Vyberte žiakov, ktorí sa majú do aplikácie prihlásiť</string>
+    <string name="login_advanced">Iné možnosti</string>
+    <string name="login_advanced_warning_mobile_api">V tomto režime nefungujú nasledovné: šťastné číslo, štatistiky triedy, zhrnutie dochádzky, ospravedlnenie neprítomnosti, dokončené lekcie, informácie o škole a prezeranie zoznamu registrovaných zariadení</string>
+    <string name="login_advanced_warning_scraper">Tento režim zobrazuje rovnaké dáta, ktoré sa zobrazujú na webových stránkach denníka</string>
+    <string name="login_advanced_warning_hybrid">Kombinácia najlepších vlastností ostatných dvoch režimov. Funguje rýchlejšie ako scraper a poskytuje funkcie, ktoré nie sú k dispozícii v režime Mobilne API. Je to v experimentálnej fáze</string>
+    <string name="login_privacy_policy">Zásady ochrany osobných údajov</string>
+    <string name="login_contact_header">Problémy s prihlásením? Napíšte nám!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Poslať e-mail</string>
+    <string name="login_email_details">Opíšte podrobnosti problému:</string>
+    <string name="login_recover_warning">Uistite sa, že ste vybrali správny variant denníka UONET+!</string>
+    <string name="login_recover_button">Zabudol som heslo</string>
+    <string name="login_recover_title">Obnovte svoj účet</string>
+    <string name="login_recover">Obnoviť</string>
+    <string name="login_signed_in">Žiak je už prihlásený</string>
+    <!--Main-->
+    <string name="main_account_picker">Manažér účtov</string>
+    <string name="main_log_in">Prihlásiť sa</string>
+    <string name="main_session_expired">Relácia vypršala</string>
+    <string name="main_session_relogin">Relácia vypršala. Prihláste sa prosím znovu</string>
+    <!--Grade-->
+    <string name="grade_header">Známka</string>
+    <string name="grade_semester">Semester %d</string>
+    <string name="grade_switch_semester">Zmeniť semester</string>
+    <string name="grade_no_items">Žiadne známky</string>
+    <string name="grade_weight">Váha</string>
+    <string name="grade_weight_value">Váha: %s</string>
+    <string name="grade_comment">Komentár</string>
+    <string name="grade_no_new_items">Žiadne nové známky</string>
+    <string name="grade_number_new_items">Počet nových známok %1$d</string>
+    <string name="grade_average">Priemer: %1$.2f</string>
+    <string name="grade_points_sum">Body: %s</string>
+    <string name="grade_no_average">Bez priemeru</string>
+    <string name="grade_predicted">Predpokladaná: %1$s</string>
+    <string name="grade_final">Konečná: %1$s</string>
+    <string name="grade_summary_points">Súčet bodov</string>
+    <string name="grade_summary_final_grade">Konečná známka</string>
+    <string name="grade_summary_predicted_grade">Predpokladaná známka</string>
+    <string name="grade_summary_calculated_average">Vypočítaný priemer</string>
+    <string name="grade_summary_final_average">Konečný priemer</string>
+    <string name="grade_menu_summary">Zhrnutie</string>
+    <string name="grade_menu_statistics">Trieda</string>
+    <string name="grade_menu_read">Označiť ako prečítané</string>
+    <string name="grade_statistics_partial">Čiastočné</string>
+    <string name="grade_statistics_semester">Semester</string>
+    <string name="grade_statistics_points">Body</string>
+    <string name="grade_statistics_legend">Vysvetlivky</string>
+    <string name="grade_statistics_average">Priemer: %1$s</string>
+    <string name="grade_statistics_average_class">Trieda</string>
+    <string name="grade_statistics_average_student">Žiák</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d známka</item>
+        <item quantity="few">%d známky</item>
+        <item quantity="many">%d známok</item>
+        <item quantity="other">%d známok</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Nová známka</item>
+        <item quantity="few">Nové známky</item>
+        <item quantity="many">Nové známky</item>
+        <item quantity="other">Nové známky</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Nová predpokladaná známka</item>
+        <item quantity="few">Nové predpokladané známky</item>
+        <item quantity="many">Nové predpokladané známky</item>
+        <item quantity="other">Nové predpokladané známky</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Nová konečná známka</item>
+        <item quantity="few">Nové konečné známky</item>
+        <item quantity="many">Nové konečné známky</item>
+        <item quantity="other">Nové konečné známky</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Máte %1$d novú známku</item>
+        <item quantity="few">Máte %1$d nové známky</item>
+        <item quantity="many">Máte %1$d nových známok</item>
+        <item quantity="other">Máte %1$d nových známok</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Máte %1$d novú predpokladanú známku</item>
+        <item quantity="few">Máte %1$d nové predpokladané známky</item>
+        <item quantity="many">Máte %1$d nových predpokladaných známok</item>
+        <item quantity="other">Máte %1$d nových predpokladaných známok</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Máte %1$d novú konečnú známku</item>
+        <item quantity="few">Máte %1$d nové konečnej známky</item>
+        <item quantity="many">Máte %1$d nových konečných známok</item>
+        <item quantity="other">Máte %1$d nových konečných známok</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Lekcia</string>
+    <string name="timetable_room">Učebňa</string>
+    <string name="timetable_group">Skupina</string>
+    <string name="timetable_time">Hodiny</string>
+    <string name="timetable_changes">Zmeny</string>
+    <string name="timetable_no_items">Žiadne lekcie tento deň</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sek</string>
+    <string name="timetable_time_left">ešte %1$s</string>
+    <string name="timetable_time_until">za %1$s</string>
+    <string name="timetable_finished">Ukončila</string>
+    <string name="timetable_now">Teraz: %s</string>
+    <string name="timetable_next">Za chvíľu: %s</string>
+    <string name="timetable_later">Neskôr: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Dokončené lekcie</string>
+    <string name="completed_lessons_button">Zobraziť dokončené lekcie</string>
+    <string name="completed_lessons_no_items">Žiadne informácie o dokončených lekciách</string>
+    <string name="completed_lessons_topic">Téma</string>
+    <string name="completed_lessons_absence">Neprítomnosť</string>
+    <string name="completed_lessons_resources">Zdroje</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Ďalší lekcie</string>
+    <string name="additional_lessons_button">Zobraziť ďalšie lekcie</string>
+    <string name="additional_lessons_no_items">Žiadne informácie o ďalších lekciách</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Zhrnutie dochádzky</string>
+    <string name="attendance_absence_school">Neprítomnosť zo školských dôvodov</string>
+    <string name="attendance_absence_excused">Ospravedlnená neprítomnosť</string>
+    <string name="attendance_absence_unexcused">Neospravedlnená neprítomnosť</string>
+    <string name="attendance_exemption">Oslobodenie</string>
+    <string name="attendance_excused_lateness">Ospravedlnenie meškanie</string>
+    <string name="attendance_unexcused_lateness">Neospravedlnenie meškanie</string>
+    <string name="attendance_present">Prítomnosť</string>
+    <string name="attendance_deleted">Odstránené</string>
+    <string name="attendance_unknown">Neznámy</string>
+    <string name="attendance_number">Číslo lekcie</string>
+    <string name="attendance_no_items">Žiadne položky</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d neprítomnosť</item>
+        <item quantity="few">%1$d neprítomnosti</item>
+        <item quantity="many">%1$d neprítomnosti</item>
+        <item quantity="other">%1$d neprítomnosti</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Dôvod neprítomnosti (voliteľný)</string>
+    <string name="attendance_excuse_dialog_submit">Poslať</string>
+    <string name="attendance_excuse_success">Žiadosť o ospravedlnenie neprítomnosti bola úspešne odoslaná!</string>
+    <string name="attendance_excuse_no_selection">Musíte vybrať aspoň jednu neprítomnosť!</string>
+    <string name="attendance_excuse_title">Ospravedlniť</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Dochádzka</string>
+    <string name="attendance_summary_total">Spoločne</string>
+    <!--Exam-->
+    <string name="exam_no_items">Tento týždeň žiadne testy</string>
+    <string name="exam_type">Typ</string>
+    <string name="exam_entry_date">Dátum vstupu</string>
+    <!--Message-->
+    <string name="message_inbox">Doručená pošta</string>
+    <string name="message_sent">Odoslané</string>
+    <string name="message_trash">Kôš</string>
+    <string name="message_no_subject">(žiadny predmet)</string>
+    <string name="message_no_items">Žiadne správy</string>
+    <string name="message_preview_error">Pri sťahovaní obsahu správy došlo k chybe</string>
+    <string name="message_from">Od:</string>
+    <string name="message_to">Komu:</string>
+    <string name="message_date">Dátum: %s</string>
+    <string name="message_reply">Odpoveď</string>
+    <string name="message_forward">Poslať ďalej</string>
+    <string name="message_delete">Odstrániť</string>
+    <string name="message_move_to_bin">Presunúť do koša</string>
+    <string name="message_delete_forever">Odstrániť natrvalo</string>
+    <string name="message_delete_success">Správa bola úspešne odstránená</string>
+    <string name="message_share">Zdieľať</string>
+    <string name="message_print">Vytlačiť</string>
+    <string name="message_subject">Predmet</string>
+    <string name="message_content">Obsah</string>
+    <string name="message_send_successful">Správa úspešne odoslaná</string>
+    <string name="message_not_exists">Správa neexistuje</string>
+    <string name="message_required_recipients">Musíte vybrať aspoň 1 príjemca</string>
+    <string name="message_content_min_length">Obsah správy musí mať aspoň 3 znaky</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d správa</item>
+        <item quantity="few">%d správy</item>
+        <item quantity="many">%d správ</item>
+        <item quantity="other">%d správ</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Nová správa</item>
+        <item quantity="few">Nové správy</item>
+        <item quantity="many">Nové správy</item>
+        <item quantity="other">Nové správy</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Máte %1$d novú správu</item>
+        <item quantity="few">Máte %1$d nové správy</item>
+        <item quantity="many">Máte %1$d nových správ</item>
+        <item quantity="other">Máte %1$d nových správ</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Žiadne informácie o poznámkach</string>
+    <string name="note_points">Body</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d poznámka</item>
+        <item quantity="few">%d poznámky</item>
+        <item quantity="many">%d poznámok</item>
+        <item quantity="other">%d poznámok</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Nová poznámka</item>
+        <item quantity="few">Nové poznámky</item>
+        <item quantity="many">Nové poznámky</item>
+        <item quantity="other">Nové poznámky</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">Máte %1$d novú poznámku</item>
+        <item quantity="few">Máte %1$d nové poznámky</item>
+        <item quantity="many">Máte %1$d nových poznámok</item>
+        <item quantity="other">Máte %1$d nových poznámok</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d chvála</item>
+        <item quantity="few">%d chvály</item>
+        <item quantity="many">%d chvál</item>
+        <item quantity="other">%d chvál</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Nová chvála</item>
+        <item quantity="few">Nové chvály</item>
+        <item quantity="many">Nové chvály</item>
+        <item quantity="other">Nové chvály</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Máte %1$d novú chválu</item>
+        <item quantity="few">Máte %1$d nové chvály</item>
+        <item quantity="many">Máte %1$d nových chvál</item>
+        <item quantity="other">Máte %1$d nových chvál</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutrálny poznámka</item>
+        <item quantity="few">%d neutrálne poznámky</item>
+        <item quantity="many">%d neutrálne poznámky</item>
+        <item quantity="other">%d neutrálne poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Nová neutrálny poznámka</item>
+        <item quantity="few">Nové neutrálne poznámky</item>
+        <item quantity="many">Nové neutrálne poznámky</item>
+        <item quantity="other">Nové neutrálne poznámky</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Máte %1$d novú neutrálny poznámku</item>
+        <item quantity="few">Máte %1$d nové neutrálne poznámky</item>
+        <item quantity="many">Máte %1$d nových neutrálne poznámok</item>
+        <item quantity="other">Máte %1$d nových neutrálne poznámok</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Žiadne informácie o domácich úlohách</string>
+    <string name="homework_mark_as_done">Označiť ako hotové</string>
+    <string name="homework_mark_as_undone">Nevyrobené</string>
+    <string name="homework_attachments">Prílohy</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Šťastné číslo</string>
+    <string name="lucky_number_header">Dnešné šťastné číslo je</string>
+    <string name="lucky_number_empty">Žiadne informácie o šťastnom čísle</string>
+    <string name="lucky_number_notify_new_item_title">Šťastné číslo pre dnešok</string>
+    <string name="lucky_number_notify_new_item">Dnes je šťastným číslom: %d</string>
+    <string name="lucky_number_history_button">Zobraziť históriu</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">História šťastných čísel</string>
+    <string name="lucky_number_history_empty">Žiadne informácie o šťastných číslach</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Mobilný prístup</string>
+    <string name="mobile_devices_no_items">Žiadne zariadenia</string>
+    <string name="mobile_devices_unregister">Zrušiť registráciu</string>
+    <string name="mobile_device_removed">Zariadenie odstránenie</string>
+    <string name="mobile_device_qr">QR kód</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Škola a učitelia</string>
+    <!--School-->
+    <string name="school_title">Škola</string>
+    <string name="school_no_info">Žiadne informácie o škole</string>
+    <string name="school_name">Názov školy</string>
+    <string name="school_address">Adresa školy</string>
+    <string name="school_telephone">Telefón</string>
+    <string name="school_headmaster">Meno riaditeľa</string>
+    <string name="school_pedagogue">Meno pedagóga</string>
+    <string name="school_address_button">Zobraziť na mape</string>
+    <string name="school_telephone_button">Volať</string>
+    <!--Teacher-->
+    <string name="teachers_title">Učitelia</string>
+    <string name="teacher_no_items">Žiadne informácie o učiteľoch</string>
+    <string name="teacher_no_subject">Žiadny predmet</string>
+    <!--Conference-->
+    <string name="conferences_title">Stretnutie</string>
+    <string name="conference_no_items">Žiadne informácie o stretnutiach</string>
+    <!--Account-->
+    <string name="account_add_new">Pridať účet</string>
+    <string name="account_logout">Odhlásiť</string>
+    <string name="account_confirm">Chcete sa odhlásiť z aktívneho žiaka?</string>
+    <string name="account_logout_student">Odhlásenie žiakov</string>
+    <string name="account_type_student">Zakov účet</string>
+    <string name="account_type_parent">Rodičovský účet</string>
+    <string name="account_login_mobile_api">Režim Mobilného API</string>
+    <string name="account_login_hybrid">Hybridný režim</string>
+    <string name="account_details_edit">Upraviť dáta</string>
+    <string name="account_quick_manager">Manažér účtov</string>
+    <string name="account_select_student">Vyberte žiaka</string>
+    <string name="account_family">Rodina</string>
+    <string name="account_contact">Kontakt</string>
+    <string name="account_address">Údaje o adresách</string>
+    <string name="account_personal_data">Osobné údaje</string>
+    <!--About-->
+    <string name="about_version">Verzia aplikácie</string>
+    <string name="about_contributor">Prispievatelia</string>
+    <string name="about_contributor_summary">Zoznam vývojárov Wulkanového</string>
+    <string name="about_feedback">Nahlásiť chybu</string>
+    <string name="about_feedback_summary">Odoslať správu o chybe e-mailom</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Prečítajte si často kladené otázky</string>
+    <string name="about_discord">Server Discord</string>
+    <string name="about_discord_summary">Pripojte sa ku komunite Wulkanového</string>
+    <string name="about_facebook">Facebooková fanpage</string>
+    <string name="about_facebook_summary">Rovnako ako naše facebooková fanpage</string>
+    <string name="about_privacy">Zásady ochrany osobných údajov</string>
+    <string name="about_privacy_summary">Pravidlá pre zhromažďovanie osobných údajov</string>
+    <string name="about_homepage">Domovská stránka</string>
+    <string name="about_homepage_summary">Navštívte stránku a pomôžte s vývojom aplikácie</string>
+    <string name="about_licenses">Licencie</string>
+    <string name="about_licenses_summary">Licencia knižníc použitých v aplikácii</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Licencia</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Avatar</string>
+    <string name="contributor_see_more">Zobraziť viac na GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Žiadne informácie o žiakov alebo rodine žiaka</string>
+    <string name="student_info_first_name">Meno</string>
+    <string name="student_info_second_name">Druhé meno</string>
+    <string name="student_info_gender">Pohlavie</string>
+    <string name="student_info_polish_citizenship">Poľské občianstvo</string>
+    <string name="student_info_family_name">Rodinné meno</string>
+    <string name="student_info_parents_name">Mená matky a otca</string>
+    <string name="student_info_phone">Telefón</string>
+    <string name="student_info_cellphone">Mobilný telefón</string>
+    <string name="student_info_email">E-mail</string>
+    <string name="student_info_address">Adresa bydliska</string>
+    <string name="student_info_registered_address">Registrovaná adresa</string>
+    <string name="student_info_correspondence_address">Korešpondenčná adresa</string>
+    <string name="student_info_full_name">Priezvisko a meno</string>
+    <string name="student_info_kinship">Stupeň príbuznosti</string>
+    <string name="student_info_guardian_address">Adresa</string>
+    <string name="student_info_phones">Telefóny</string>
+    <string name="student_info_male">Muž</string>
+    <string name="student_info_female">Žena</string>
+    <string name="student_info_last_name">Priezvisko</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Prezývka</string>
+    <string name="account_edit_header">Pridať prezývku</string>
+    <string name="account_edit_avatar_title">Vybrať farbu avataru</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Zdieľať protokoly</string>
+    <string name="logviewer_refresh">Obnoviť</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Skontrolovať aktualizácie</string>
+    <string name="dialog_error_check_update_message">Pred hlásením chyby skontrolujte, či je k dispozícii aktualizácia s opravou chýb</string>
+    <!--Generic-->
+    <string name="all_content">Obsah</string>
+    <string name="all_retry">Skúsiť znova</string>
+    <string name="all_description">Popis</string>
+    <string name="all_no_description">Žiadny popis</string>
+    <string name="all_teacher">Učiteľ</string>
+    <string name="all_date">Dátum</string>
+    <string name="all_entry_date">Dátum vstupu</string>
+    <string name="all_color">Farba</string>
+    <string name="all_details">Podrobnosti</string>
+    <string name="all_category">Kategória</string>
+    <string name="all_close">Zavrieť</string>
+    <string name="all_no_data">Žiadne údaje</string>
+    <string name="all_subject">Predmet</string>
+    <string name="all_prev">Vráť</string>
+    <string name="all_next">Ďalej</string>
+    <string name="all_search">Hľadať</string>
+    <string name="all_search_hint">Hledať…</string>
+    <string name="all_yes">Áno</string>
+    <string name="all_no">Nie</string>
+    <string name="all_save">Uložiť</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Žiadne lekcie</string>
+    <string name="widget_timetable_theme_title">Vybrať motív</string>
+    <string name="widget_timetable_theme_light">Svetlý</string>
+    <string name="widget_timetable_theme_dark">Tmavý</string>
+    <string name="widget_timetable_theme_system">Motív systému</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Vzhľad a správanie aplikácií</string>
+    <string name="pref_view_list">Predvolené zobrazenie</string>
+    <string name="pref_view_grade_average_mode">Výpočet koncoročního priemeru</string>
+    <string name="pref_view_grade_average_force_calc">Vynútiť priemerný výpočet podľa aplikácie</string>
+    <string name="pref_view_present">Zobraziť prítomnosť</string>
+    <string name="pref_view_app_theme">Motív</string>
+    <string name="pref_view_expand_grade">Rozbaliť známky</string>
+    <string name="pref_view_timetable_show_timers">Označiť aktuálne lekciu</string>
+    <string name="pref_view_timetable_show_groups">Zobraziť skupiny vedľa predmetov</string>
+    <string name="pref_view_grade_statistics_list">Zobraziť zoznam grafov v známkach triedy</string>
+    <string name="pref_view_timetable_show_whole_class">Zobraziť lekcie pre celú triedu</string>
+    <string name="pref_view_subjects_without_grades">Zobraziť predmety bez známok</string>
+    <string name="pref_view_grade_color_scheme">Známky farebnú schému</string>
+    <string name="pref_view_grade_sorting_mode">Triedenie predmetov</string>
+    <string name="pref_view_app_language">Jazyk</string>
+    <string name="pref_notify_header">Upozornenia</string>
+    <string name="pref_notify_switch">Zobraziť upozornenia</string>
+    <string name="pref_notify_upcoming_lessons_switch">Zobraziť upozornenia o nadchádzajúcej lekciu</string>
+    <string name="pref_notify_fix_sync_issues">Opravte problémy so synchronizáciou a upozornením</string>
+    <string name="pref_notify_fix_sync_issues_message">Vaše zariadenie môže mať problémy so synchronizáciou dát as upozorneniami.\n\nAk ich chcete opraviť, pridajte Wulkanového do funkcie Autostart a vypnite optimalizáciu/úsporu batérie v nastavení systému telefóne.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Prejsť do nastavení</string>
+    <string name="pref_notify_debug_switch">Zobraziť upozornenia o ladení</string>
+    <string name="pref_notify_disabled_summary">Synchronizácia je vypnutá</string>
+    <string name="pref_services_header">Synchronizácia</string>
+    <string name="pref_services_switch">Automatická aktualizácia</string>
+    <string name="pref_services_suspended">Pozastavený počas dovolenky</string>
+    <string name="pref_services_interval">Interval aktualizácií</string>
+    <string name="pref_services_wifi">Iba Wi-Fi</string>
+    <string name="pref_services_force_sync">Synchronizovať teraz</string>
+    <string name="pref_services_message_sync_success">Synchronizovano!</string>
+    <string name="pref_services_message_sync_failed">Synchronizácia zlyhala</string>
+    <string name="pref_services_sync_in_progress">Prebieha synchronizácia</string>
+    <string name="pref_other_grade_modifier_plus">Hodnota plusu</string>
+    <string name="pref_other_grade_modifier_minus">Hodnota mínusu</string>
+    <string name="pref_other_fill_message_content">Odpovedať s históriou správ</string>
+    <string name="pref_settings_advanced_title">Pokročilé</string>
+    <string name="pref_settings_appearance_title">Vzhľad a správanie</string>
+    <string name="pref_settings_notifications_title">Upozornenia</string>
+    <string name="pref_settings_sync_title">Synchronizácia</string>
+    <string name="pref_grades_appearance_header">Známky</string>
+    <string name="pref_attendance_appearance_view">Dochádzka</string>
+    <string name="pref_timetable_appearance_view">Plán lekcie</string>
+    <string name="pref_grades_advanced_header">Známky</string>
+    <string name="pref_messages_advanced_header">Správy</string>
+    <string name="pref_appearance_category">Vzhľad a správanie</string>
+    <string name="pref_appearance_category_summary">Jazyky, motívy, triedenie predmetov</string>
+    <string name="pref_notifications_category_summary">Upozornenia aplikácie, oprava problémov</string>
+    <string name="pref_notifications_category">Upozornenia</string>
+    <string name="pref_sync_category">Synchronizácia</string>
+    <string name="pref_sync_category_summary">Automatická aktualizácia, interval aktualizácií</string>
+    <string name="pref_advanced_category_summary">Hodnota plusu a mínusu, výpočet priemeru</string>
+    <string name="pref_advanced_category">Pokročilé</string>
+    <string name="pref_about_category_summary">Verzia aplikácie, prispievatelia, sociálne portály, licencie</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Nové položky v denníku</string>
+    <string name="channel_new_grades">Nové známky</string>
+    <string name="channel_lucky_number">Šťastné číslo</string>
+    <string name="channel_new_message">Nové správy</string>
+    <string name="channel_new_notes">Nové poznámky</string>
+    <string name="channel_push">Push upozornenia</string>
+    <string name="channel_upcoming_lessons">Nadchádzajúce lekcie</string>
+    <string name="channel_debug">Ladenie</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Koniec podpory</string>
+    <string name="drop_kitkat_content">Ukončujeme podporu pre vaše zariadenie. V Wulkanovým už pre neho nebudú žiadne nové funkcie. Kritické opravy však budeme vydávať až do konca roka 2021, aby ste mali čas prejsť na novší model</string>
+    <string name="drop_kitkat_again">Nezobrazovať znovu</string>
+    <!--Colors-->
+    <string name="all_black">Čierny</string>
+    <string name="all_red">Červený</string>
+    <string name="all_blue">Modrý</string>
+    <string name="all_green">Zelený</string>
+    <string name="all_purple">Fialový</string>
+    <string name="all_empty_color">Žiadna farba</string>
+    <!--Others-->
+    <string name="all_copied">Skopírované</string>
+    <string name="all_undo">Vrátiť</string>
+    <!--Update helper-->
+    <string name="update_download_started">Sťahovanie aktualizácií začalo…</string>
+    <string name="update_download_success">Aktualizácia bola stiahnutá.</string>
+    <string name="update_download_success_button">Reštartovať</string>
+    <string name="update_failed">Aktualizácia zlyhala! Wulkanowy nemusí fungovať správne. Zvážte aktualizáciu</string>
+    <!--Errors-->
+    <string name="error_no_internet">Žiadne internetové pripojenie</string>
+    <string name="error_timeout">Nedá sa pripojiť ku denníku. Servery môžu byť preťažené. Prosím skúste to znova neskôr</string>
+    <string name="error_login_failed">Načítanie údajov zlyhalo. Skúste neskôr prosím</string>
+    <string name="error_password_change_required">Je vyžadovaná zmena hesla pre denník</string>
+    <string name="error_service_unavailable">Prebieha údržba UONET+ denník. Skúste to neskôr znova</string>
+    <string name="error_unknown_uonet">Neznáma chyba dennika UONET+. Prosím skúste to znova neskôr</string>
+    <string name="error_unknown_app">Neznáma chyba aplikácie. Prosím skúste to znova neskôr</string>
+    <string name="error_unknown">Vyskytla sa neočakávaná chyba</string>
+    <string name="error_feature_disabled">Funkcia je deaktivovaná cez vašou školou</string>
+    <string name="error_feature_not_available">Funkcia nie je k dispozícii. Prihláste sa v inom režime než Mobile API</string>
+</resources>
diff --git a/app/src/main/res/values-uk-v29/preferences_values.xml b/app/src/main/res/values-uk-v29/preferences_values.xml
new file mode 100644
index 000000000..52b41b4ef
--- /dev/null
+++ b/app/src/main/res/values-uk-v29/preferences_values.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Тема системи</item>
+        <item>Світла</item>
+        <item>Темна</item>
+        <item>Темна (AMOLED)</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-uk/preferences_values.xml b/app/src/main/res/values-uk/preferences_values.xml
new file mode 100644
index 000000000..d0891925d
--- /dev/null
+++ b/app/src/main/res/values-uk/preferences_values.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>Світла</item>
+        <item>Темна</item>
+        <item>Темна (AMOLED)</item>
+    </string-array>
+    <string-array name="app_language_entries">
+        <item>Мова системи</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="services_interval_entries">
+        <item>15 хвилин</item>
+        <item>30 хвилин</item>
+        <item>1 година</item>
+        <item>2 години</item>
+        <item>6 годин</item>
+        <item>12 годин</item>
+        <item>24 години</item>
+    </string-array>
+    <string-array name="grade_modifier_entries">
+        <item>0,0</item>
+        <item>0,25</item>
+        <item>0,33</item>
+        <item>0,5</item>
+        <item>0,75</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_entries">
+        <item>За алфавітом</item>
+        <item>За датою</item>
+    </string-array>
+    <string-array name="grade_color_scheme_entries">
+        <item>Dzienniczek+</item>
+        <item>Wulkanowy</item>
+        <item>Кольори оцінок в щоденнику</item>
+    </string-array>
+    <string-array name="grade_average_mode_entries">
+        <item>Середня оцінка з 2 семестру</item>
+        <item>Середнє оцінювання за обидва семестри</item>
+        <item>Середнє оцінювання за весь рік</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Не показувати</item>
+        <item>Показати все</item>
+        <item>Показати менше</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
new file mode 100644
index 000000000..2e0b89da6
--- /dev/null
+++ b/app/src/main/res/values-uk/strings.xml
@@ -0,0 +1,539 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!--Activity/Fragment title-->
+    <string name="login_title">Авторизація</string>
+    <string name="main_title">Wulkanowy</string>
+    <string name="grade_title">Оцінки</string>
+    <string name="attendance_title">Відвідуваність</string>
+    <string name="exam_title">Тести</string>
+    <string name="timetable_title">Розклад</string>
+    <string name="settings_title">Налаштування</string>
+    <string name="more_title">Інше</string>
+    <string name="about_title">Про додаток</string>
+    <string name="logviewer_title">Переглядач журналів</string>
+    <string name="contributors_title">Розробники</string>
+    <string name="license_title">Ліцензії</string>
+    <string name="message_title">Повідомлення</string>
+    <string name="send_message_title">Нове повідомлення</string>
+    <string name="note_title">Нотатки та досягнення</string>
+    <string name="homework_title">Домашні завдання</string>
+    <string name="account_title">Менеджер аккаунтів</string>
+    <string name="account_quick_title">Виберіть обліковий запис</string>
+    <string name="account_details_title">Деталі облікового запису</string>
+    <string name="student_info_title">Інформація про учня</string>
+    <!--Subtitles-->
+    <string name="grade_subtitle">%1$d семестр, %2$d/%3$d</string>
+    <!--Login-->
+    <string name="login_header_default">Авторизуйтеся за допомогою аккаунта учня або батьків</string>
+    <string name="login_header_symbol">Введіть символ зі сторінки реєстру</string>
+    <string name="login_nickname_hint">Ім\'я користувача</string>
+    <string name="login_email_hint">Електронна пошта</string>
+    <string name="login_login_pesel_email_hint">Логін, PESEL або електронна пошта</string>
+    <string name="login_password_hint">Пароль</string>
+    <string name="login_host_hint">UONET + варіант реєстрації</string>
+    <string name="login_type_api">Мobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybrid</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">Ключ API</string>
+    <string name="login_symbol_hint">Symbol</string>
+    <string name="login_sign_in">Увійти</string>
+    <string name="login_invalid_password">Занадто короткий пароль</string>
+    <string name="login_incorrect_password">Дані для входу неправильні. Переконайтеся, що у полі нижче вказано правильний варіант реєстрації UONET+</string>
+    <string name="login_invalid_pin">Неправильний PIN</string>
+    <string name="login_invalid_token">Неправильний token</string>
+    <string name="login_expired_token">Минув термін дії токену</string>
+    <string name="login_invalid_email">Недійсна адреса електронної пошти</string>
+    <string name="login_invalid_login">Використовуйте призначений логін замість електронної пошти</string>
+    <string name="login_invalid_custom_email">Використовуйте призначений логін або електронну адресу в @%1$s</string>
+    <string name="login_invalid_symbol">Неправильний симбвол</string>
+    <string name="login_incorrect_symbol">Студента не знайдено Перевірте символ та обраний варіант реєстру UONET+</string>
+    <string name="login_field_required">Обов\'язкове поле</string>
+    <string name="login_duplicate_student">Даного учня вже авторизовано</string>
+    <string name="login_symbol_helper">Символ можна знайти на сторінці реєстру в &#160; <b> Учень </b> → &#160; <b> Мобільний доступ </b> → &#160; <b> Додайте мобільне приладдя </b>.\n\nПереконайтесь, що ви встановили відповідний варіант реєстру в полі <b> UONET + варіант реєстрації </b> на попередньому екрані. На даний момент Wulkanowy не виявляє учнів дошкільних закладів</string>
+    <string name="login_select_student">Виберіть учнів для авторизації в додатку</string>
+    <string name="login_advanced">Інші варіанти</string>
+    <string name="login_advanced_warning_mobile_api">У цьому режимі не працюють: щасливий номер, статистика класу по оцінкам, статистика відвідуваності і уроків, інформація про школу і список зареєстрованних пристроїв</string>
+    <string name="login_advanced_warning_scraper">Scraper - режим, котрий показує дані так само, як і сторінка щоденника</string>
+    <string name="login_advanced_warning_hybrid">Hybrid - це комбінація найкращих функцій інших двох режимів. Він працює швидше, ніж Scraper, и впроваджує функції, котрих нема в режимі Mobile API. Знаходиться в експериментальній стадії</string>
+    <string name="login_privacy_policy">Політика приватності</string>
+    <string name="login_contact_header">Проблеми з авторизацією? Зв\'яжіться з нами!</string>
+    <string name="login_contact_email">Електронна пошта</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Відправити лист</string>
+    <string name="login_email_details">Опишіть деталі помилки:</string>
+    <string name="login_recover_warning">Переконайтеся, що ви вибрали правильний варіант реєстрації UONET+!</string>
+    <string name="login_recover_button">Забули пароль?</string>
+    <string name="login_recover_title">Відновіть свій обліковий запис</string>
+    <string name="login_recover">Відновити</string>
+    <string name="login_signed_in">Учень вже увійшов до системи</string>
+    <!--Main-->
+    <string name="main_account_picker">Менеджер аккаунтів</string>
+    <string name="main_log_in">Увійти</string>
+    <string name="main_session_expired">Минув термін дії сесії</string>
+    <string name="main_session_relogin">Минув термін дії сесії, авторизуйтеся знову</string>
+    <!--Grade-->
+    <string name="grade_header">Оцінка</string>
+    <string name="grade_semester">%d семестр</string>
+    <string name="grade_switch_semester">Змінити семестр</string>
+    <string name="grade_no_items">Оцінки відсутні</string>
+    <string name="grade_weight">Вартість</string>
+    <string name="grade_weight_value">Вартість: %s</string>
+    <string name="grade_comment">Коментар</string>
+    <string name="grade_no_new_items">Нові оцінки відсутні</string>
+    <string name="grade_number_new_items">Кількість нових оцінок: %1$d</string>
+    <string name="grade_average">Середня оцінка: %1$.2f</string>
+    <string name="grade_points_sum">Балів: %s</string>
+    <string name="grade_no_average">Відсутність середньої оцінки</string>
+    <string name="grade_predicted">Очікувана оцінка: %1$s</string>
+    <string name="grade_final">Підсумкова оцінка: %1$s</string>
+    <string name="grade_summary_points">Сума балів</string>
+    <string name="grade_summary_final_grade">Підсумкова оцінка</string>
+    <string name="grade_summary_predicted_grade">Очікувана оцінка</string>
+    <string name="grade_summary_calculated_average">Розрахована середня оцінка</string>
+    <string name="grade_summary_final_average">Підсумкова середня оцінка</string>
+    <string name="grade_menu_summary">Підсумок</string>
+    <string name="grade_menu_statistics">Клас</string>
+    <string name="grade_menu_read">Позначити як прочитане</string>
+    <string name="grade_statistics_partial">Поточні</string>
+    <string name="grade_statistics_semester">Семестрові</string>
+    <string name="grade_statistics_points">Бали</string>
+    <string name="grade_statistics_legend">Умовні позначення</string>
+    <string name="grade_statistics_average">Середня оцінка: %1$s</string>
+    <string name="grade_statistics_average_class">Клас</string>
+    <string name="grade_statistics_average_student">Учень</string>
+    <plurals name="grade_number_item">
+        <item quantity="one">%d оцінка</item>
+        <item quantity="few">%d оцінки</item>
+        <item quantity="many">%d оцінок</item>
+        <item quantity="other">%d оцінок</item>
+    </plurals>
+    <plurals name="grade_new_items">
+        <item quantity="one">Нова оцінка</item>
+        <item quantity="few">Нові оцінки</item>
+        <item quantity="many">Нові оцінки</item>
+        <item quantity="other">Нові оцінки</item>
+    </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">Нова прогнозована оцінка</item>
+        <item quantity="few">Нові прогнозовані оцінки</item>
+        <item quantity="many">Нові прогнозовані оцінки</item>
+        <item quantity="other">Нові прогнозовані оцінки</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">Нова підсумкова оцінка</item>
+        <item quantity="few">Нові підсумкові оцінки</item>
+        <item quantity="many">Нові підсумкові оцінки</item>
+        <item quantity="other">Нові підсумкові оцінки</item>
+    </plurals>
+    <plurals name="grade_notify_new_items">
+        <item quantity="one">Ви отримали %1$d оцінку</item>
+        <item quantity="few">Ви отримали %1$d оцінки</item>
+        <item quantity="many">Ви отримали %1$d оцінок</item>
+        <item quantity="other">Ви отримали %1$d оцінок</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">Ви отримали %1$d нову прогнозовану оцінку</item>
+        <item quantity="few">Ви отримали %1$d нові прогнозовані оцінки</item>
+        <item quantity="many">Ви отримали %1$d нових прогнозованих оцінок</item>
+        <item quantity="other">Ви отримали %1$d нових прогнозованих оцінок</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">Ви отримали %1$d нову підсумкову оцінку</item>
+        <item quantity="few">Ви отримали %1$d нові підсумкові оцінки</item>
+        <item quantity="many">Ви отримали %1$d нових підсумкових оцінок</item>
+        <item quantity="other">Ви отримали %1$d нових підсумкових оцінок</item>
+    </plurals>
+    <!--Timetable-->
+    <string name="timetable_lesson">Урок</string>
+    <string name="timetable_room">Аудиторія</string>
+    <string name="timetable_group">Група</string>
+    <string name="timetable_time">Години</string>
+    <string name="timetable_changes">Зміни</string>
+    <string name="timetable_no_items">Брак уроків у цей день</string>
+    <string name="timetable_minutes">%s хвилин</string>
+    <string name="timetable_seconds">%s сек</string>
+    <string name="timetable_time_left">%1$s лишилося</string>
+    <string name="timetable_time_until">через %1$s</string>
+    <string name="timetable_finished">Завершено</string>
+    <string name="timetable_now">Зараз: %s</string>
+    <string name="timetable_next">Наступний: %s</string>
+    <string name="timetable_later">Пізніше: %s</string>
+    <!--Completed lessons-->
+    <string name="completed_lessons_title">Уроки, що відбулися</string>
+    <string name="completed_lessons_button">Показати уроки, що відбулися</string>
+    <string name="completed_lessons_no_items">Брак інформації о уроках, що відбулися</string>
+    <string name="completed_lessons_topic">Тема</string>
+    <string name="completed_lessons_absence">Відсутність</string>
+    <string name="completed_lessons_resources">Ресурси</string>
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Додаткові уроки</string>
+    <string name="additional_lessons_button">Показати додаткові уроки</string>
+    <string name="additional_lessons_no_items">Немає інформації про додаткових уроків</string>
+    <!--Attendance-->
+    <string name="attendance_summary_button">Підсумок відвідуваності</string>
+    <string name="attendance_absence_school">Відсутність зі шкільних причин</string>
+    <string name="attendance_absence_excused">Відсутність з поважних причин</string>
+    <string name="attendance_absence_unexcused">Відсутність з не поважних причин</string>
+    <string name="attendance_exemption">Звільнення</string>
+    <string name="attendance_excused_lateness">Спізнення з поважних причин</string>
+    <string name="attendance_unexcused_lateness">Спізнення з не поважних причин</string>
+    <string name="attendance_present">Присутність</string>
+    <string name="attendance_deleted">Вилучено</string>
+    <string name="attendance_unknown">Невідомо</string>
+    <string name="attendance_number">Номер уроку</string>
+    <string name="attendance_no_items">Брак записів</string>
+    <plurals name="attendance_number_absences">
+        <item quantity="one">%1$d відсутність</item>
+        <item quantity="few">%1$d відсутності</item>
+        <item quantity="many">%1$d відсутностей</item>
+        <item quantity="other">%1$d відсутностей</item>
+    </plurals>
+    <string name="attendance_excuse_dialog_reason">Причина відсутності (необов’язково)</string>
+    <string name="attendance_excuse_dialog_submit">Надіслати</string>
+    <string name="attendance_excuse_success">Запит на виправдання відсутності успішно надіслано!</string>
+    <string name="attendance_excuse_no_selection">Оберіть хоча б одну відсутність</string>
+    <string name="attendance_excuse_title">Змінити статус</string>
+    <!--Attendance summary-->
+    <string name="attendance_summary_final">Відвідуваність</string>
+    <string name="attendance_summary_total">Загальна</string>
+    <!--Exam-->
+    <string name="exam_no_items">Брак тестів у цьому тижні</string>
+    <string name="exam_type">Тип</string>
+    <string name="exam_entry_date">Дата запису</string>
+    <!--Message-->
+    <string name="message_inbox">Отримані</string>
+    <string name="message_sent">Відправлені</string>
+    <string name="message_trash">Кошик</string>
+    <string name="message_no_subject">(брак теми)</string>
+    <string name="message_no_items">Нема повідомлень</string>
+    <string name="message_preview_error">З\'явилася помилка підчас завантаження змісту повідомлення</string>
+    <string name="message_from">Від:</string>
+    <string name="message_to">Кому:</string>
+    <string name="message_date">Дата: %s</string>
+    <string name="message_reply">Відповісти</string>
+    <string name="message_forward">Переслати</string>
+    <string name="message_delete">Видалити</string>
+    <string name="message_move_to_bin">Перемістити у кошик</string>
+    <string name="message_delete_forever">Видалити назавжди</string>
+    <string name="message_delete_success">Повідомлення було успішно видалено</string>
+    <string name="message_share">Поділіться</string>
+    <string name="message_print">Друк</string>
+    <string name="message_subject">Тема</string>
+    <string name="message_content">Зміст</string>
+    <string name="message_send_successful">Повідомлення було успішно відправлено</string>
+    <string name="message_not_exists">Такого повідомлення не існує</string>
+    <string name="message_required_recipients">Необхідно обрати принаймні 1 адресата</string>
+    <string name="message_content_min_length">Зміст повідомлення мусить складатися принаймні з 3 знаків</string>
+    <plurals name="message_number_item">
+        <item quantity="one">%d повідомлення</item>
+        <item quantity="few">%d повідомлення</item>
+        <item quantity="many">%d повідомлень</item>
+        <item quantity="other">%d повідомлень</item>
+    </plurals>
+    <plurals name="message_new_items">
+        <item quantity="one">Нове повідомлення</item>
+        <item quantity="few">Нові повідомлення</item>
+        <item quantity="many">Нові повідомлення</item>
+        <item quantity="other">Нові повідомлення</item>
+    </plurals>
+    <plurals name="message_notify_new_items">
+        <item quantity="one">Ви отримали %1$d нове повідомлення</item>
+        <item quantity="few">Ви отримали %1$d нових повідомлення</item>
+        <item quantity="many">Ви отримали %1$d нових повідомлень</item>
+        <item quantity="other">Ви отримали %1$d нових повідомлень</item>
+    </plurals>
+    <!--Note-->
+    <string name="note_no_items">Брак інформації о зауваженнях</string>
+    <string name="note_points">Бали</string>
+    <plurals name="note_number_item">
+        <item quantity="one">%d зауваження</item>
+        <item quantity="few">%d зауваження</item>
+        <item quantity="many">%d зауважень</item>
+        <item quantity="other">%d зауважень</item>
+    </plurals>
+    <plurals name="note_new_items">
+        <item quantity="one">Нова нотатка</item>
+        <item quantity="few">Нові нотатки</item>
+        <item quantity="many">Нових нотаток</item>
+        <item quantity="other">Нових нотаток</item>
+    </plurals>
+    <plurals name="note_notify_new_items">
+        <item quantity="one">%1$d нове зауваження</item>
+        <item quantity="few">%1$d нових зауваження</item>
+        <item quantity="many">%1$d нових зауважень</item>
+        <item quantity="other">%1$d нових зауважень</item>
+    </plurals>
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d похвалили</item>
+        <item quantity="few">%d похвали</item>
+        <item quantity="many">%d похвал</item>
+        <item quantity="other">%d похвал</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">Нова похвала</item>
+        <item quantity="few">Нові похвали</item>
+        <item quantity="many">Нові похвали</item>
+        <item quantity="other">Нові похвали</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">Ви отримали %1$d нову похвалу</item>
+        <item quantity="few">Ви отримали %1$d нові похвали</item>
+        <item quantity="many">Ви отримали %1$d нових похвал</item>
+        <item quantity="other">Ви отримали %1$d нових похвал</item>
+    </plurals>
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d нейтральна нота</item>
+        <item quantity="few">%d нейтральні ноти</item>
+        <item quantity="many">%d нейтральних нот</item>
+        <item quantity="other">%d нейтральних нот</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">Нова нейтральна нота</item>
+        <item quantity="few">Нова нейтральна нота</item>
+        <item quantity="many">Нова нейтральна нота</item>
+        <item quantity="other">Нові нейтральні ноти</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">Ви отримали %1$d нову нейтральну ноту</item>
+        <item quantity="few">Ви отримали %1$d нові нейтральні ноти</item>
+        <item quantity="many">Ви отримали %1$d нових нейтральних нот</item>
+        <item quantity="other">Ви отримали %1$d нових нейтральних нот</item>
+    </plurals>
+    <!--Homework-->
+    <string name="homework_no_items">Брак домашніх завдань</string>
+    <string name="homework_mark_as_done">Позначити як зроблене</string>
+    <string name="homework_mark_as_undone">Позначити як не зроблене</string>
+    <string name="homework_attachments">Додатки</string>
+    <!--Lucky number-->
+    <string name="lucky_number_title">Щасливий номер</string>
+    <string name="lucky_number_header">Сьогоднішній щасливий номер</string>
+    <string name="lucky_number_empty">Брак інформації о щасливому номері</string>
+    <string name="lucky_number_notify_new_item_title">Сьогоднішній щасливий номер</string>
+    <string name="lucky_number_notify_new_item">Сьогоднішнім щасливим номером є %d</string>
+    <string name="lucky_number_history_button">Показати історію</string>
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Історія щасливих чисел</string>
+    <string name="lucky_number_history_empty">Немає інформації про щасливі номери</string>
+    <!--Mobile devices-->
+    <string name="mobile_devices_title">Мобільні пристрої</string>
+    <string name="mobile_devices_no_items">Брак пристроїв</string>
+    <string name="mobile_devices_unregister">Видалити</string>
+    <string name="mobile_device_removed">Пристрій видалено</string>
+    <string name="mobile_device_qr">QR-код</string>
+    <string name="mobile_device_token">Token</string>
+    <string name="mobile_device_symbol">Symbol</string>
+    <string name="mobile_device_pin">PIN</string>
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">Школа та вчителі</string>
+    <!--School-->
+    <string name="school_title">Школа</string>
+    <string name="school_no_info">Брак інформації про школу</string>
+    <string name="school_name">Назва школи</string>
+    <string name="school_address">Адреса школи</string>
+    <string name="school_telephone">Телефон</string>
+    <string name="school_headmaster">Директор</string>
+    <string name="school_pedagogue">Викладач</string>
+    <string name="school_address_button">Показати на мапі</string>
+    <string name="school_telephone_button">Зателефонувати</string>
+    <!--Teacher-->
+    <string name="teachers_title">Вчителі</string>
+    <string name="teacher_no_items">Брак інформації про вчителів</string>
+    <string name="teacher_no_subject">Брак предмету</string>
+    <!--Conference-->
+    <string name="conferences_title">Зустрічі</string>
+    <string name="conference_no_items">Немає інформації про зустрічі</string>
+    <!--Account-->
+    <string name="account_add_new">Додати аккаунт</string>
+    <string name="account_logout">Вийти</string>
+    <string name="account_confirm">Ви впевнені, що хочете вийти з цього аккаунту?</string>
+    <string name="account_logout_student">Вийти з аккаунту учня</string>
+    <string name="account_type_student">Студентський рахунок</string>
+    <string name="account_type_parent">Головний рахунок</string>
+    <string name="account_login_mobile_api">Режим мобільного API</string>
+    <string name="account_login_hybrid">Гібридний режим</string>
+    <string name="account_details_edit">Редагувати дані</string>
+    <string name="account_quick_manager">Менеджер аккаунтів</string>
+    <string name="account_select_student">Виберіть учня</string>
+    <string name="account_family">Сім\'я</string>
+    <string name="account_contact">Контакт</string>
+    <string name="account_address">Деталі проживання</string>
+    <string name="account_personal_data">Особиста інформація</string>
+    <!--About-->
+    <string name="about_version">Версія додатка</string>
+    <string name="about_contributor">Розробники</string>
+    <string name="about_contributor_summary">Список розробників \"Wulkanowy\"</string>
+    <string name="about_feedback">Виникла помилка?</string>
+    <string name="about_feedback_summary">Повідомити о помилці за допомогою e-mail</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Запитання, які часто задають</string>
+    <string name="about_discord">Сервер Discord</string>
+    <string name="about_discord_summary">Приєднатися до спільноти додатка</string>
+    <string name="about_facebook">Фен-сторінка Facebook</string>
+    <string name="about_facebook_summary">Вподобати нашу фансторінку у Facebook</string>
+    <string name="about_privacy">Політика конфіденційності</string>
+    <string name="about_privacy_summary">Правила зберігання особистих даних</string>
+    <string name="about_homepage">Домашня сторінка</string>
+    <string name="about_homepage_summary">Допомогти розвитку додатка</string>
+    <string name="about_licenses">Ліцензії</string>
+    <string name="about_licenses_summary">Ліцензії вжитих бібліотек</string>
+    <!--Licenses-->
+    <string name="license_dialog_title">Ліцензія</string>
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Аватар</string>
+    <string name="contributor_see_more">Сторінка проекту на GitHub</string>
+    <!--Student info-->
+    <string name="student_info_empty">Немає інформації про учня або сім\'ю учня</string>
+    <string name="student_info_first_name">Ім\'я</string>
+    <string name="student_info_second_name">Друге ім\'я</string>
+    <string name="student_info_gender">Стать</string>
+    <string name="student_info_polish_citizenship">Польське громадянство</string>
+    <string name="student_info_family_name">Прізвище</string>
+    <string name="student_info_parents_name">Імена батька і матері</string>
+    <string name="student_info_phone">Номер телефону</string>
+    <string name="student_info_cellphone">Мобільний телефон</string>
+    <string name="student_info_email">Електронна пошта</string>
+    <string name="student_info_address">Місця проживання</string>
+    <string name="student_info_registered_address">Адреса реєстрації</string>
+    <string name="student_info_correspondence_address">Адреса для кореспонденції</string>
+    <string name="student_info_full_name">Прізвище та ім\'я</string>
+    <string name="student_info_kinship">Ступінь спорідненості</string>
+    <string name="student_info_guardian_address">Адреса</string>
+    <string name="student_info_phones">Телефони</string>
+    <string name="student_info_male">Чоловіча</string>
+    <string name="student_info_female">Жінка</string>
+    <string name="student_info_last_name">Прізвище</string>
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Псевдонім</string>
+    <string name="account_edit_header">Додати псевдонім</string>
+    <string name="account_edit_avatar_title">Оберіть колір аватара</string>
+    <!--Log viewer-->
+    <string name="logviewer_share">Поділитися логами</string>
+    <string name="logviewer_refresh">Оновити</string>
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Провірити наявність оновлень</string>
+    <string name="dialog_error_check_update_message">Перед тим, як повідомлювати о помілці, перевірте наявність оновлень</string>
+    <!--Generic-->
+    <string name="all_content">Зміст</string>
+    <string name="all_retry">Повторити</string>
+    <string name="all_description">Опис</string>
+    <string name="all_no_description">Брак опису</string>
+    <string name="all_teacher">Вчитель</string>
+    <string name="all_date">Дата</string>
+    <string name="all_entry_date">Дата запису</string>
+    <string name="all_color">Колір</string>
+    <string name="all_details">Деталі</string>
+    <string name="all_category">Категорія</string>
+    <string name="all_close">Закрити</string>
+    <string name="all_no_data">Немає даних</string>
+    <string name="all_subject">Предмет</string>
+    <string name="all_prev">Попередній</string>
+    <string name="all_next">Наступний</string>
+    <string name="all_search">Пошук</string>
+    <string name="all_search_hint">Пошук…</string>
+    <string name="all_yes">Так</string>
+    <string name="all_no">Ні</string>
+    <string name="all_save">Зберегти</string>
+    <!--Timetable Widget-->
+    <string name="widget_timetable_no_items">Брак уроків</string>
+    <string name="widget_timetable_theme_title">Увібрати тему</string>
+    <string name="widget_timetable_theme_light">Яскрава</string>
+    <string name="widget_timetable_theme_dark">Темна</string>
+    <string name="widget_timetable_theme_system">Тема системи</string>
+    <!--Preferences-->
+    <string name="pref_view_header">Поява додатка &amp; amp; поведінки</string>
+    <string name="pref_view_list">Вікно за замовчуванням</string>
+    <string name="pref_view_grade_average_mode">Спосіб облічування оцінки на кінець року</string>
+    <string name="pref_view_grade_average_force_calc">Примусово розрахувати середню оцінку через додаток</string>
+    <string name="pref_view_present">Показати присутність</string>
+    <string name="pref_view_app_theme">Тема</string>
+    <string name="pref_view_expand_grade">Більше оцінок</string>
+    <string name="pref_view_timetable_show_timers">Позначити поточний урок</string>
+    <string name="pref_view_timetable_show_groups">Показувати групи поруч з темами</string>
+    <string name="pref_view_grade_statistics_list">Показувати діаграми в оцінках класу</string>
+    <string name="pref_view_timetable_show_whole_class">Показати уроки всього класу</string>
+    <string name="pref_view_subjects_without_grades">Показати предмети без оцінок</string>
+    <string name="pref_view_grade_color_scheme">Схема кольорів оцінок</string>
+    <string name="pref_view_grade_sorting_mode">Сортування предметів</string>
+    <string name="pref_view_app_language">Мова</string>
+    <string name="pref_notify_header">Повідомлення</string>
+    <string name="pref_notify_switch">Показувати повідомлення</string>
+    <string name="pref_notify_upcoming_lessons_switch">Показувати повідомлення о наступних уроках</string>
+    <string name="pref_notify_fix_sync_issues">Виправити помилки з синхронізацією і повідомленнями</string>
+    <string name="pref_notify_fix_sync_issues_message">На вашому пристрої можуть бути помилки з синхронізацією і повідомленнями\n\nЩоб виправити іх, вам необхідно додати Wulkanowy в авто-старт и вимкнути оптимізацію/экономію батареї в налаштуваннях пристрою.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Перейти до налаштувань</string>
+    <string name="pref_notify_debug_switch">Показувати дебаг-повідомлення</string>
+    <string name="pref_notify_disabled_summary">Синхронізація вимкнена</string>
+    <string name="pref_services_header">Синхронізація</string>
+    <string name="pref_services_switch">Автоматична синхронізація</string>
+    <string name="pref_services_suspended">Призупинено на час канікул</string>
+    <string name="pref_services_interval">Інтервал оновлення</string>
+    <string name="pref_services_wifi">Тільки через Wi-Fi</string>
+    <string name="pref_services_force_sync">Синхронізувати</string>
+    <string name="pref_services_message_sync_success">Синхронізовано!</string>
+    <string name="pref_services_message_sync_failed">Синхронізація не вдалася</string>
+    <string name="pref_services_sync_in_progress">Триває синхронізація</string>
+    <string name="pref_other_grade_modifier_plus">Вартість плюсу</string>
+    <string name="pref_other_grade_modifier_minus">Вага мінуса</string>
+    <string name="pref_other_fill_message_content">Відповісти з історією повідомлень</string>
+    <string name="pref_settings_advanced_title">Додатково</string>
+    <string name="pref_settings_appearance_title">Вигляд &amp; Поведінка</string>
+    <string name="pref_settings_notifications_title">Повідомлення</string>
+    <string name="pref_settings_sync_title">Синхронізація</string>
+    <string name="pref_grades_appearance_header">Оцінки</string>
+    <string name="pref_attendance_appearance_view">Відвідуваність</string>
+    <string name="pref_timetable_appearance_view">Розклад</string>
+    <string name="pref_grades_advanced_header">Класи</string>
+    <string name="pref_messages_advanced_header">Повідомлення</string>
+    <string name="pref_appearance_category">Вигляд &amp; Поведінка</string>
+    <string name="pref_appearance_category_summary">Мови, теми, тема сортування</string>
+    <string name="pref_notifications_category_summary">Сповіщення додатку, виправляти проблеми</string>
+    <string name="pref_notifications_category">Повідомлення</string>
+    <string name="pref_sync_category">Синхронізація</string>
+    <string name="pref_sync_category_summary">Автоматичне оновлення, інтервал синхронізації</string>
+    <string name="pref_advanced_category_summary">Плюс і мінус значення, середні обчислення</string>
+    <string name="pref_advanced_category">Додатково</string>
+    <string name="pref_about_category_summary">Версія програми, учасники, соціальні портали, ліцензії</string>
+    <!--Notification Channels-->
+    <string name="channel_new_entries">Нові дані в щоденнику</string>
+    <string name="channel_new_grades">Нові оцінки</string>
+    <string name="channel_lucky_number">Щасливий номер</string>
+    <string name="channel_new_message">Нові повідомлення</string>
+    <string name="channel_new_notes">Нові нотатки</string>
+    <string name="channel_push">Показувати push-повідомлення</string>
+    <string name="channel_upcoming_lessons">Наступні уроки</string>
+    <string name="channel_debug">Дебаг</string>
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">Кінець підтримки</string>
+    <string name="drop_kitkat_content">Ми завершуємо підтримку вашого пристрою. Більше нових функцій не з\'явиться у Wulkanowy. Однак ми виробляємо критичні патчі до кінця 2021, тому у вас буде час перейти на новішу модель</string>
+    <string name="drop_kitkat_again">Не показувати знову</string>
+    <!--Colors-->
+    <string name="all_black">Чорний</string>
+    <string name="all_red">Червоний</string>
+    <string name="all_blue">Голубий</string>
+    <string name="all_green">Зелений</string>
+    <string name="all_purple">Фіолетовий</string>
+    <string name="all_empty_color">Брак кольору</string>
+    <!--Others-->
+    <string name="all_copied">Скопійовано</string>
+    <string name="all_undo">Відмінити</string>
+    <!--Update helper-->
+    <string name="update_download_started">Завантаження оновлень розпочато…</string>
+    <string name="update_download_success">Щойно завантажено оновлення.</string>
+    <string name="update_download_success_button">Перезапустити</string>
+    <string name="update_failed">Помилка оновлення! Wulkanowy може не працювати належним чином. Подумайте про оновлення</string>
+    <!--Errors-->
+    <string name="error_no_internet">Брак з\'єднання з інтернетом</string>
+    <string name="error_timeout">Помилка підключення до реєстрації. Сервери можуть бути перевантажені. Будь-ласка спробуйте пізніше</string>
+    <string name="error_login_failed">Помилка завантаження даних. Будь-ласка спробуйте пізніше</string>
+    <string name="error_password_change_required">Потрібна реєстрація зміни пароля</string>
+    <string name="error_service_unavailable">Технічна перерва в журналі UONET + продовжується. Спробуйте пізніше</string>
+    <string name="error_unknown_uonet">Невідома помилка реєстру UONET+. Спробуйте ще раз пізніше</string>
+    <string name="error_unknown_app">Невідома помилка програми. Будь-ласка спробуйте пізніше</string>
+    <string name="error_unknown">Відбулася несподівана помилка</string>
+    <string name="error_feature_disabled">Функція вимкнена школою</string>
+    <string name="error_feature_not_available">Функція не доступна в цьому режимі</string>
+</resources>
diff --git a/app/src/main/res/values-v23/styles.xml b/app/src/main/res/values-v23/styles.xml
new file mode 100644
index 000000000..574e8488d
--- /dev/null
+++ b/app/src/main/res/values-v23/styles.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="WulkanowyTheme" parent="BaseWulkanowyTheme">
+        <item name="android:windowLightStatusBar">true</item>
+        <item name="android:statusBarColor">@android:color/white</item>
+    </style>
+
+    <style name="WulkanowyTheme.SplashScreen" parent="WulkanowyTheme.NoActionBar">
+        <item name="android:windowBackground">@drawable/layer_splash_background</item>
+        <item name="android:statusBarColor">@color/colorPrimaryDark</item>
+        <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
+        <item name="android:windowLightStatusBar">false</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-v26/styles.xml b/app/src/main/res/values-v26/styles.xml
new file mode 100644
index 000000000..55413c053
--- /dev/null
+++ b/app/src/main/res/values-v26/styles.xml
@@ -0,0 +1,15 @@
+<resources>
+
+    <style name="WulkanowyTheme" parent="BaseWulkanowyTheme">
+        <item name="android:navigationBarColor">@android:color/black</item>
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:statusBarColor">@android:color/darker_gray</item>
+    </style>
+
+    <style name="WulkanowyTheme.SplashScreen" parent="WulkanowyTheme.NoActionBar">
+        <item name="android:windowBackground">@drawable/layer_splash_background</item>
+        <item name="android:statusBarColor">@color/colorPrimaryDark</item>
+        <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
+        <item name="android:windowLightStatusBar">false</item>
+    </style>
+</resources>
diff --git a/app/src/main/res/values-v27/styles.xml b/app/src/main/res/values-v28/styles.xml
similarity index 75%
rename from app/src/main/res/values-v27/styles.xml
rename to app/src/main/res/values-v28/styles.xml
index d33f64228..ee77091d3 100644
--- a/app/src/main/res/values-v27/styles.xml
+++ b/app/src/main/res/values-v28/styles.xml
@@ -1,9 +1,10 @@
 <resources>
 
     <style name="WulkanowyTheme" parent="BaseWulkanowyTheme">
-        <item name="android:statusBarColor">@android:color/darker_gray</item>
         <item name="android:navigationBarColor">@android:color/white</item>
         <item name="android:windowLightNavigationBar">true</item>
+        <item name="android:windowLightStatusBar">true</item>
+        <item name="android:statusBarColor">@android:color/white</item>
     </style>
 
     <style name="WulkanowyTheme.SplashScreen" parent="WulkanowyTheme.NoActionBar">
@@ -11,5 +12,6 @@
         <item name="android:statusBarColor">@color/colorPrimaryDark</item>
         <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
         <item name="android:windowLightNavigationBar">false</item>
+        <item name="android:windowLightStatusBar">false</item>
     </style>
-</resources>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-v29/preferences_defaults.xml b/app/src/main/res/values-v29/preferences_defaults.xml
new file mode 100644
index 000000000..bb573d664
--- /dev/null
+++ b/app/src/main/res/values-v29/preferences_defaults.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
+    <string name="pref_default_app_theme">system</string>
+</resources>
diff --git a/app/src/main/res/values-v29/preferences_values.xml b/app/src/main/res/values-v29/preferences_values.xml
new file mode 100644
index 000000000..f27c1c69c
--- /dev/null
+++ b/app/src/main/res/values-v29/preferences_values.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
+        <item>System theme</item>
+        <item>Light</item>
+        <item>Dark</item>
+        <item>Black (AMOLED)</item>
+    </string-array>
+    <string-array name="app_theme_values" translatable="false" tools:ignore="InconsistentArrays">
+        <item>system</item>
+        <item>light</item>
+        <item>dark</item>
+        <item>black</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values-v29/styles.xml b/app/src/main/res/values-v29/styles.xml
new file mode 100644
index 000000000..ee77091d3
--- /dev/null
+++ b/app/src/main/res/values-v29/styles.xml
@@ -0,0 +1,17 @@
+<resources>
+
+    <style name="WulkanowyTheme" parent="BaseWulkanowyTheme">
+        <item name="android:navigationBarColor">@android:color/white</item>
+        <item name="android:windowLightNavigationBar">true</item>
+        <item name="android:windowLightStatusBar">true</item>
+        <item name="android:statusBarColor">@android:color/white</item>
+    </style>
+
+    <style name="WulkanowyTheme.SplashScreen" parent="WulkanowyTheme.NoActionBar">
+        <item name="android:windowBackground">@drawable/layer_splash_background</item>
+        <item name="android:statusBarColor">@color/colorPrimaryDark</item>
+        <item name="android:navigationBarColor">@color/colorPrimaryDark</item>
+        <item name="android:windowLightNavigationBar">false</item>
+        <item name="android:windowLightStatusBar">false</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/api_endpoints.xml b/app/src/main/res/values/api_endpoints.xml
deleted file mode 100644
index e07f2b4b5..000000000
--- a/app/src/main/res/values/api_endpoints.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
-    <string-array name="endpoints_keys">
-        <item>Vulcan</item>
-        <item>Opolska eSzkoła</item>
-        <item>Gdańska Platforma Edukacyjna</item>
-        <item>EduNet Miasta Tarnowa</item>
-        <item>ResMan Rzeszów</item>
-        <item>Fakelog</item>
-    </string-array>
-    <string-array name="endpoints_values">
-        <item>https://vulcan.net.pl</item>
-        <item>https://eszkola.opolskie.pl</item>
-        <item>https://edu.gdansk.pl</item>
-        <item>https://umt.tarnow.pl</item>
-        <item>https://resman.pl</item>
-        <item>http://fakelog.cf</item>
-    </string-array>
-</resources>
diff --git a/app/src/main/res/values/api_hosts.xml b/app/src/main/res/values/api_hosts.xml
new file mode 100644
index 000000000..158490471
--- /dev/null
+++ b/app/src/main/res/values/api_hosts.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
+    <string-array name="hosts_keys">
+        <item>Vulcan</item>
+        <item>Opolska eSzkoła</item>
+        <item>Gdańska Platforma Edukacyjna</item>
+        <item>Lubelski Portal Oświatowy</item>
+        <item>EduNet Miasta Tarnowa</item>
+        <item>ResMan Rzeszów</item>
+        <item>Platforma Edukacyjna Koszalina</item>
+        <item>Rawa Mazowiecka - Platforma vEdukacja</item>
+        <item>Zduńska Wola - e-Urząd</item>
+        <item>Sieradz - Portal oświatowy</item>
+        <item>Skarżysko-Kamienna - e-Skarżysko</item>
+        <item>Łask - Platforma vEdukacja</item>
+        <item>Powiat łaski - Platforma edukacyjna</item>
+        <item>Powiat krasnostawski - Platforma oświatowa</item>
+        <item>Powiat kętrzyński - Platforma e-Usług</item>
+        <item>Gmina Ulan-Majorat - Platforma oświatowa</item>
+        <item>Gmina Ozorków - Platforma edukacyjna</item>
+        <item>Gmina Łopiennik Górny - Platforma oświatowa</item>
+        <item>Fakelog</item>
+    </string-array>
+    <string-array name="hosts_values">
+        <item>https://vulcan.net.pl/?email</item>
+        <item>https://eszkola.opolskie.pl</item>
+        <item>https://edu.gdansk.pl</item>
+        <item>https://edu.lublin.eu</item>
+        <item>https://umt.tarnow.pl</item>
+        <item>https://resman.pl</item>
+        <item>https://eduportal.koszalin.pl</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>https://vulcan.net.pl/?login</item>
+        <item>http://fakelog.cf/?email</item>
+    </string-array>
+    <string-array name="hosts_symbols">
+        <item>Default</item>
+        <item>opole</item>
+        <item>gdansk</item>
+        <item>lublin</item>
+        <item>tarnow</item>
+        <item>rzeszow</item>
+        <item>koszalin</item>
+        <item>rawamazowiecka</item>
+        <item>zdunskawola</item>
+        <item>sieradz</item>
+        <item>skarzyskokamienna</item>
+        <item>lask</item>
+        <item>powiatlaski</item>
+        <item>powiatkrasnostawski</item>
+        <item>powiatketrzynski</item>
+        <item>gminaulanmajorat</item>
+        <item>gminaozorkow</item>
+        <item>gminalopiennikgorny</item>
+        <item>powiatwulkanowy</item>
+    </string-array>
+</resources>
diff --git a/app/src/main/res/values/api_symbols.xml b/app/src/main/res/values/api_symbols.xml
index d9f89a238..6f9b1739d 100644
--- a/app/src/main/res/values/api_symbols.xml
+++ b/app/src/main/res/values/api_symbols.xml
@@ -18,6 +18,8 @@
         <item>Bielsko-Biała</item>
         <item>Bierawa</item>
         <item>Bierutów</item>
+        <item>Biskupice</item>
+        <item>Blachownia</item>
         <item>Błaszki</item>
         <item>Błonie</item>
         <item>Bochnia</item>
@@ -57,6 +59,7 @@
         <item>Dąbrowa Tarnowska</item>
         <item>Dębica</item>
         <item>Dobrzeń Wielki</item>
+        <item>Dobrzyń Nad Wisłą</item>
         <item>Dolnośląskie</item>
         <item>Duszniki-Zdrój</item>
         <item>Dynów</item>
@@ -77,36 +80,53 @@
         <item>Gmina Aleksandrów Kujawski</item>
         <item>Gmina Aleksandrów Łódzki</item>
         <item>Gmina Alwernia</item>
+        <item>Gmina Andrzejewo</item>
         <item>Gmina Annopol</item>
+        <item>Gmina Augustów</item>
         <item>Gmina Babice</item>
+        <item>Gmina Bądkowo</item>
         <item>Gmina Bałtów</item>
         <item>Gmina Baranów</item>
+        <item>Gmina Barciany</item>
         <item>Gmina Barcin</item>
         <item>Gmina Baruchowo</item>
         <item>Gmina Będzino</item>
         <item>Gmina Bełchatów</item>
+        <item>Gmina Białaczów</item>
         <item>Gmina Białe Błota</item>
+        <item>Gmina Bielsk Podlaski</item>
         <item>Gmina Bircza</item>
         <item>Gmina Błażowa</item>
         <item>Gmina Błędów</item>
         <item>Gmina Bobolice</item>
+        <item>Gmina Bobowa</item>
         <item>Gmina Bobowo</item>
         <item>Gmina Bobrowniki</item>
+        <item>Gmina Bodzentyn</item>
+        <item>Gmina Bogoria</item>
+        <item>Gmina Bojanów</item>
         <item>Gmina Bojanowo</item>
         <item>Gmina Bojszowy</item>
         <item>Gmina Bolesławiec</item>
         <item>Gmina Bolków</item>
         <item>Gmina Boronów</item>
+        <item>Gmina Borów</item>
         <item>Gmina Borowa</item>
         <item>Gmina Borzęcin</item>
         <item>Gmina Branice</item>
+        <item>Gmina Braniewo</item>
         <item>Gmina Brąszewice</item>
         <item>Gmina Brenna</item>
         <item>Gmina Brzeg Dolny</item>
         <item>Gmina Brzeziny</item>
         <item>Gmina Brzeźnio</item>
+        <item>Gmina Brzostek</item>
         <item>Gmina Brzozów</item>
+        <item>Gmina Brzuze</item>
         <item>Gmina Brzyska</item>
+        <item>Gmina Buczek</item>
+        <item>Gmina Buczkowice</item>
+        <item>Gmina Budzów</item>
         <item>Gmina Budzyń</item>
         <item>Gmina Bukowsko</item>
         <item>Gmina Byczyna</item>
@@ -115,15 +135,15 @@
         <item>Gmina Ceków-Kolonia</item>
         <item>Gmina Celestynów</item>
         <item>Gmina Cewice</item>
+        <item>Gmina Charsznica</item>
         <item>Gmina Chełm</item>
         <item>Gmina Chełmiec</item>
         <item>Gmina Chełmno</item>
         <item>Gmina Chmielnik</item>
-        <item>Gmina Chodecz</item>
+        <item>Gmina Chocz</item>
         <item>Gmina Chodel</item>
         <item>Gmina Chojnice</item>
         <item>Gmina Chojnów</item>
-        <item>Gmina Chorkówka</item>
         <item>Gmina Chrzypsko Wielkie</item>
         <item>Gmina Chybie</item>
         <item>Gmina Ciasna</item>
@@ -135,12 +155,12 @@
         <item>Gmina Czaplinek</item>
         <item>Gmina Czarna</item>
         <item>Gmina Czarnków</item>
-        <item>Gmina Czarny Bór</item>
         <item>Gmina Czarny Dunajec</item>
         <item>Gmina Czechowice-Dziedzice</item>
         <item>Gmina Czernichów</item>
         <item>Gmina Czerniejewo</item>
         <item>Gmina Czerwionka-Leszczyny</item>
+        <item>Gmina Czerwonka</item>
         <item>Gmina Człuchów</item>
         <item>Gmina Czosnów</item>
         <item>Gmina Damasławek</item>
@@ -148,6 +168,7 @@
         <item>Gmina Darłowo</item>
         <item>Gmina Dębe Wielkie</item>
         <item>Gmina Dębica</item>
+        <item>Gmina Dębno</item>
         <item>Gmina Dłutów</item>
         <item>Gmina Dobczyce</item>
         <item>Gmina Dobra</item>
@@ -159,6 +180,7 @@
         <item>Gmina Dominowo</item>
         <item>Gmina Dorohusk</item>
         <item>Gmina Drzewica</item>
+        <item>Gmina Dubiecko</item>
         <item>Gmina Dukla</item>
         <item>Gmina Dwikozy</item>
         <item>Gmina Dynów</item>
@@ -182,6 +204,7 @@
         <item>Gmina Głuszyca</item>
         <item>Gmina Gniew</item>
         <item>Gmina Gniewoszów</item>
+        <item>Gmina Gniezno</item>
         <item>Gmina Goczałkowice-Zdrój</item>
         <item>Gmina Godkowo</item>
         <item>Gmina Godów</item>
@@ -200,6 +223,7 @@
         <item>Gmina Gózd</item>
         <item>Gmina Grabów</item>
         <item>Gmina Grabowiec</item>
+        <item>Gmina Grabów Nad Pilicą</item>
         <item>Gmina Grajewo</item>
         <item>Gmina Granowo</item>
         <item>Gmina Grębocice</item>
@@ -210,6 +234,7 @@
         <item>Gmina Grodziec</item>
         <item>Gmina Grójec</item>
         <item>Gmina Gromadka</item>
+        <item>Gmina Gromnik</item>
         <item>Gmina Gronowo Elbląskie</item>
         <item>Gmina Grudziądz</item>
         <item>Gmina Gruta</item>
@@ -219,13 +244,17 @@
         <item>Gmina Hańsk</item>
         <item>Gmina Harasiuki</item>
         <item>Gmina Hażlach</item>
+        <item>Gmina Herby</item>
         <item>Gmina Hrubieszów</item>
+        <item>Gmina Huszlew</item>
         <item>Gmina Hyżne</item>
         <item>Gmina Imielno</item>
         <item>Gmina Inowrocław</item>
+        <item>Gmina Istebna</item>
         <item>Gmina Iwierzyce</item>
         <item>Gmina Iwonicz-Zdrój</item>
         <item>Gmina Izabelin</item>
+        <item>Gmina Izbica</item>
         <item>Gmina Jadów</item>
         <item>Gmina Jaktorów</item>
         <item>Gmina Janikowo</item>
@@ -237,19 +266,23 @@
         <item>Gmina Jasło</item>
         <item>Gmina Jastków</item>
         <item>Gmina Jastrowie</item>
+        <item>Gmina Jastrząb</item>
         <item>Gmina Jedlicze</item>
         <item>Gmina Jedlińsk</item>
         <item>Gmina Jedlnia-Letnisko</item>
         <item>Gmina Jejkowice</item>
         <item>Gmina Jemielnica</item>
+        <item>Gmina Jemielno</item>
         <item>Gmina Jerzmanowa</item>
         <item>Gmina Jeżewo</item>
         <item>Gmina Jeziora Wielkie</item>
+        <item>Gmina Jeziorzany</item>
         <item>Gmina Jeżowe</item>
         <item>Gmina Jordanów</item>
         <item>Gmina Józefów</item>
         <item>Gmina Józefów Nad Wisłą</item>
         <item>Gmina Jutrosin</item>
+        <item>Gmina Kąkolewnica</item>
         <item>Gmina Kamień</item>
         <item>Gmina Kamienica</item>
         <item>Gmina Kamieniec</item>
@@ -262,9 +295,11 @@
         <item>Gmina Kiełczygłów</item>
         <item>Gmina Kikół</item>
         <item>Gmina Kiszkowo</item>
+        <item>Gmina Kleczew</item>
         <item>Gmina Klembów</item>
         <item>Gmina Kleszczewo</item>
         <item>Gmina Kleszczów</item>
+        <item>Gmina Klimontów</item>
         <item>Gmina Kłobuck</item>
         <item>Gmina Kłoczew</item>
         <item>Gmina Kłomnice</item>
@@ -272,6 +307,8 @@
         <item>Gmina Klucze</item>
         <item>Gmina Kluczewsko</item>
         <item>Gmina Kobiele Wielkie</item>
+        <item>Gmina Kochanowice</item>
+        <item>Gmina Kock</item>
         <item>Gmina Kodrąb</item>
         <item>Gmina Kołaczyce</item>
         <item>Gmina Kołbaskowo</item>
@@ -280,9 +317,13 @@
         <item>Gmina Komańcza</item>
         <item>Gmina Komorniki</item>
         <item>Gmina Komprachcice</item>
+        <item>Gmina Konarzyny</item>
+        <item>Gmina Kondratowice</item>
+        <item>Gmina Koniusza</item>
         <item>Gmina Konopiska</item>
         <item>Gmina Końskowola</item>
-        <item>Gmina Korczyna</item>
+        <item>Gmina Koprzywnica</item>
+        <item>Gmina Korsze</item>
         <item>Gmina Korycin</item>
         <item>Gmina Korzenna</item>
         <item>Gmina Kosakowo</item>
@@ -291,6 +332,7 @@
         <item>Gmina Kościerzyna</item>
         <item>Gmina Kosów Lacki</item>
         <item>Gmina Kostrzyn</item>
+        <item>Gmina Koszyce</item>
         <item>Gmina Kotla</item>
         <item>Gmina Kotuń</item>
         <item>Gmina Kozłów</item>
@@ -302,22 +344,31 @@
         <item>Gmina Krokowa</item>
         <item>Gmina Krośnice</item>
         <item>Gmina Krupski Młyn</item>
+        <item>Gmina Kruszwica</item>
+        <item>Gmina Krynki</item>
         <item>Gmina Krzanowice</item>
         <item>Gmina Krzemieniewo</item>
         <item>Gmina Krzymów</item>
+        <item>Gmina Krzywiń</item>
         <item>Gmina Krzyżanowice</item>
+        <item>Gmina Książ Wielki</item>
         <item>Gmina Kunice</item>
         <item>Gmina Kunów</item>
         <item>Gmina Kurów</item>
+        <item>Gmina Kuryłówka</item>
         <item>Gmina Kwidzyn</item>
         <item>Gmina Kwilcz</item>
+        <item>Gmina Łabowa</item>
         <item>Gmina Łabunie</item>
         <item>Gmina Łambinowice</item>
         <item>Gmina Lanckorona</item>
         <item>Gmina Łapsze Niżne</item>
+        <item>Gmina Łasin</item>
         <item>Gmina Łaskarzew</item>
         <item>Gmina Lasowice Wielkie</item>
         <item>Gmina Łaszczów</item>
+        <item>Gmina Laszki</item>
+        <item>Gmina Latowicz</item>
         <item>Gmina Łazy</item>
         <item>Gmina Łęczyca</item>
         <item>Gmina Łęczyce</item>
@@ -329,16 +380,20 @@
         <item>Gmina Leśna Podlaska</item>
         <item>Gmina Lesznowola</item>
         <item>Gmina Leżajsk</item>
+        <item>Gmina Lichnowy</item>
         <item>Gmina Limanowa</item>
+        <item>Gmina Linia</item>
         <item>Gmina Lipinki</item>
         <item>Gmina Lipnik</item>
         <item>Gmina Lipowa</item>
         <item>Gmina Lisia Góra</item>
         <item>Gmina Liszki</item>
+        <item>Gmina Liw</item>
         <item>Gmina Łobez</item>
         <item>Gmina Łodygowice</item>
         <item>Gmina Łomazy</item>
         <item>Gmina Łopiennik Górny</item>
+        <item>Gmina Łopuszno</item>
         <item>Gmina Lubań</item>
         <item>Gmina Lubartów</item>
         <item>Gmina Lubasz</item>
@@ -348,30 +403,40 @@
         <item>Gmina Lubiewo</item>
         <item>Gmina Lubin</item>
         <item>Gmina Łubniany</item>
+        <item>Gmina Lubochnia</item>
         <item>Gmina Lubomia</item>
         <item>Gmina Luboń</item>
         <item>Gmina Łuków</item>
+        <item>Gmina Łukowica</item>
+        <item>Gmina Lutowiska</item>
         <item>Gmina Luzino</item>
         <item>Gmina Łużna</item>
         <item>Gmina Łysomice</item>
         <item>Gmina Magnuszew</item>
         <item>Gmina Maków Podhalański</item>
+        <item>Gmina Mała Wieś</item>
         <item>Gmina Malbork</item>
         <item>Gmina Małdyty</item>
+        <item>Gmina Małkinia Górna</item>
         <item>Gmina Marcinowice</item>
         <item>Gmina Margonin</item>
         <item>Gmina Marianowo</item>
+        <item>Gmina Markusy</item>
         <item>Gmina Masłów</item>
+        <item>Gmina Medyka</item>
         <item>Gmina Mełgiew</item>
+        <item>Gmina Michałów</item>
         <item>Gmina Michałowo</item>
         <item>Gmina Miedziana Góra</item>
         <item>Gmina Miedźna</item>
         <item>Gmina Miedźno</item>
         <item>Gmina Międzybórz</item>
         <item>Gmina Międzylesie</item>
+        <item>Gmina Międzyrzec Podlaski</item>
         <item>Gmina Międzyzdroje</item>
         <item>Gmina Miejsce Piastowe</item>
         <item>Gmina Mielec</item>
+        <item>Gmina Milanów</item>
         <item>Gmina Milejów</item>
         <item>Gmina Milicz</item>
         <item>Gmina Miłkowice</item>
@@ -385,28 +450,38 @@
         <item>Gmina Mogilany</item>
         <item>Gmina Mordy</item>
         <item>Gmina Moryń</item>
+        <item>Gmina Mrocza</item>
         <item>Gmina Mrozy</item>
         <item>Gmina Mszana</item>
         <item>Gmina Mszana Dolna</item>
         <item>Gmina Murów</item>
         <item>Gmina Mycielin</item>
+        <item>Gmina Mysłakowice</item>
         <item>Gmina Myślibórz</item>
         <item>Gmina Nadarzyn</item>
+        <item>Gmina Namysłów</item>
+        <item>Gmina Nasielsk</item>
         <item>Gmina Nawojowa</item>
+        <item>Gmina Nędza</item>
         <item>Gmina Nekla</item>
         <item>Gmina Niebylec</item>
         <item>Gmina Niechlów</item>
         <item>Gmina Niedrzwica Duża</item>
+        <item>Gmina Niedźwiada</item>
+        <item>Gmina Niedźwiedź</item>
         <item>Gmina Niegosławice</item>
         <item>Gmina Niwiska</item>
         <item>Gmina Nowa Ruda</item>
         <item>Gmina Nowa Wieś Lęborska</item>
         <item>Gmina Nowe Miasto</item>
         <item>Gmina Nowe Miasto Nad Wartą</item>
+        <item>Gmina Nowogród Bobrzański</item>
         <item>Gmina Nowosolna</item>
         <item>Gmina Nowy Kawęczyn</item>
         <item>Gmina Nowy Staw</item>
         <item>Gmina Nowy Targ</item>
+        <item>Gmina Nowy Tomyśl</item>
+        <item>Gmina Nur</item>
         <item>Gmina Obrazów</item>
         <item>Gmina Ochotnica Dolna</item>
         <item>Gmina Ogrodzieniec</item>
@@ -420,33 +495,45 @@
         <item>Gmina Osiek Jasielski</item>
         <item>Gmina Osiek Mały</item>
         <item>Gmina Osielsko</item>
+        <item>Gmina Ostrów</item>
         <item>Gmina Ostrówek</item>
         <item>Gmina Ostrów Lubelski</item>
         <item>Gmina Ostrów Mazowiecka</item>
         <item>Gmina Ostrów Wielkopolski</item>
         <item>Gmina Otyń</item>
         <item>Gmina Ożarów</item>
+        <item>Gmina Ożarowice</item>
         <item>Gmina Ozimek</item>
         <item>Gmina Ozorków</item>
         <item>Gmina Pabianice</item>
         <item>Gmina Pacanów</item>
+        <item>Gmina Paczków</item>
         <item>Gmina Padew Narodowa</item>
+        <item>Gmina Pajęczno</item>
         <item>Gmina Pakosław</item>
         <item>Gmina Pakosławice</item>
+        <item>Gmina Pałecznica</item>
         <item>Gmina Panki</item>
         <item>Gmina Parchowo</item>
         <item>Gmina Parczew</item>
         <item>Gmina Pawłosiów</item>
         <item>Gmina Pawłowice</item>
+        <item>Gmina Pawłowiczki</item>
+        <item>Gmina Pęcław</item>
         <item>Gmina Pelplin</item>
         <item>Gmina Piaski</item>
         <item>Gmina Piątnica</item>
+        <item>Gmina Piecki</item>
+        <item>Gmina Piekoszów</item>
         <item>Gmina Pilchowice</item>
         <item>Gmina Pionki</item>
+        <item>Gmina Piotrków Trybunalski</item>
         <item>Gmina Pleśna</item>
         <item>Gmina Pleszew</item>
         <item>Gmina Płońsk</item>
+        <item>Gmina Płośnica</item>
         <item>Gmina Poczesna</item>
+        <item>Gmina Podedwórze</item>
         <item>Gmina Podegrodzie</item>
         <item>Gmina Pokój</item>
         <item>Gmina Połajewo</item>
@@ -456,6 +543,7 @@
         <item>Gmina Police</item>
         <item>Gmina Polkowice</item>
         <item>Gmina Pomiechówek</item>
+        <item>Gmina Popielów</item>
         <item>Gmina Popów</item>
         <item>Gmina Poraj</item>
         <item>Gmina Potęgowo</item>
@@ -482,23 +570,27 @@
         <item>Gmina Puszcza Mariańska</item>
         <item>Gmina Pysznica</item>
         <item>Gmina Pyzdry</item>
+        <item>Gmina Rachanie</item>
         <item>Gmina Raciechowice</item>
         <item>Gmina Racławice</item>
         <item>Gmina Radecznica</item>
         <item>Gmina Radków</item>
         <item>Gmina Radłów</item>
         <item>Gmina Radomin</item>
+        <item>Gmina Radomsko</item>
         <item>Gmina Radomyśl Nad Sanem</item>
         <item>Gmina Radoszyce</item>
         <item>Gmina Radwanice</item>
         <item>Gmina Radziłów</item>
         <item>Gmina Rawa Mazowiecka</item>
         <item>Gmina Reńska Wieś</item>
+        <item>Gmina Rossosz</item>
         <item>Gmina Rozprza</item>
         <item>Gmina Ruciane-Nida</item>
         <item>Gmina Ruda-Huta</item>
         <item>Gmina Rudna</item>
         <item>Gmina Rudniki</item>
+        <item>Gmina Rusiec</item>
         <item>Gmina Rychliki</item>
         <item>Gmina Rychtal</item>
         <item>Gmina Ryczywół</item>
@@ -509,27 +601,33 @@
         <item>Gmina Rząśnia</item>
         <item>Gmina Rzeczyca</item>
         <item>Gmina Rzepiennik Strzyżewski</item>
-        <item>Gmina Rzezawa</item>
+        <item>Gmina Rzepin</item>
         <item>Gmina Rzgów</item>
         <item>Gmina Sadki</item>
         <item>Gmina Sadowne</item>
         <item>Gmina Samborzec</item>
+        <item>Gmina Sanok</item>
         <item>Gmina Ścinawa</item>
         <item>Gmina Sędziejowice</item>
         <item>Gmina Sępopol</item>
         <item>Gmina Serokomla</item>
+        <item>Gmina Sianów</item>
         <item>Gmina Sicienko</item>
         <item>Gmina Sieciechów</item>
         <item>Gmina Siedlce</item>
+        <item>Gmina Siemiatycze</item>
         <item>Gmina Siemyśl</item>
         <item>Gmina Siennica</item>
         <item>Gmina Siennica Różana</item>
         <item>Gmina Sienno</item>
         <item>Gmina Siepraw</item>
+        <item>Gmina Sieradz</item>
         <item>Gmina Sierakowice</item>
         <item>Gmina Siewierz</item>
+        <item>Gmina Sitno</item>
         <item>Gmina Skarżysko Kościelne</item>
         <item>Gmina Skępe</item>
+        <item>Gmina Skierniewice</item>
         <item>Gmina Skoczów</item>
         <item>Gmina Skoki</item>
         <item>Gmina Skołyszyn</item>
@@ -539,8 +637,10 @@
         <item>Gmina Słopnice</item>
         <item>Gmina Słupca</item>
         <item>Gmina Słupia</item>
+        <item>Gmina Sobienie-Jeziory</item>
         <item>Gmina Sobótka</item>
         <item>Gmina Sokółka</item>
+        <item>Gmina Sokoły</item>
         <item>Gmina Solina</item>
         <item>Gmina Sośnicowice</item>
         <item>Gmina Sośnie</item>
@@ -558,12 +658,15 @@
         <item>Gmina Stawiszyn</item>
         <item>Gmina Stoczek Łukowski</item>
         <item>Gmina Stopnica</item>
+        <item>Gmina Strawczyn</item>
         <item>Gmina Stryków</item>
         <item>Gmina Stryszów</item>
         <item>Gmina Strzałkowo</item>
         <item>Gmina Strzelce Opolskie</item>
         <item>Gmina Strzelin</item>
+        <item>Gmina Strzelno</item>
         <item>Gmina Strzyżewice</item>
+        <item>Gmina Stupsk</item>
         <item>Gmina Subkowy</item>
         <item>Gmina Suchedniów</item>
         <item>Gmina Suchożebry</item>
@@ -580,14 +683,18 @@
         <item>Gmina Świlcza</item>
         <item>Gmina Szadek</item>
         <item>Gmina Szaflary</item>
+        <item>Gmina Szastarka</item>
         <item>Gmina Szczebrzeszyn</item>
         <item>Gmina Szczekociny</item>
         <item>Gmina Szczerców</item>
         <item>Gmina Szczutowo</item>
         <item>Gmina Szczytna</item>
         <item>Gmina Szczytniki</item>
+        <item>Gmina Szemud</item>
         <item>Gmina Szerzyny</item>
         <item>Gmina Szlichtyngowa</item>
+        <item>Gmina Szydłów</item>
+        <item>Gmina Tarłów</item>
         <item>Gmina Tarnów</item>
         <item>Gmina Tarnowiec</item>
         <item>Gmina Tarnów Opolski</item>
@@ -607,16 +714,19 @@
         <item>Gmina Trzyciąż</item>
         <item>Gmina Tuchów</item>
         <item>Gmina Turośń Kościelna</item>
+        <item>Gmina Tuszów Narodowy</item>
         <item>Gmina Tyczyn</item>
         <item>Gmina Tymbark</item>
         <item>Gmina Tyrawa Wołoska</item>
         <item>Gmina Uchanie</item>
         <item>Gmina Ujazd</item>
+        <item>Gmina Ulan-Majorat</item>
+        <item>Gmina Ulanów</item>
         <item>Gmina Ułęż</item>
         <item>Gmina Urszulin</item>
         <item>Gmina Urzędów</item>
+        <item>Gmina Uścimów</item>
         <item>Gmina Wąchock</item>
-        <item>Gmina Wadowice Górne</item>
         <item>Gmina Wągrowiec</item>
         <item>Gmina Wąpielsk</item>
         <item>Gmina Wasilków</item>
@@ -634,7 +744,9 @@
         <item>Gmina Wieniawa</item>
         <item>Gmina Wieprz</item>
         <item>Gmina Wieruszów</item>
+        <item>Gmina Wierzbno</item>
         <item>Gmina Wierzchosławice</item>
+        <item>Gmina Wietrzychowice</item>
         <item>Gmina Wijewo</item>
         <item>Gmina Wilczyn</item>
         <item>Gmina Wilków</item>
@@ -665,17 +777,25 @@
         <item>Gmina Wyrzysk</item>
         <item>Gmina Zabierzów</item>
         <item>Gmina Żabno</item>
+        <item>Gmina Żagań</item>
+        <item>Gmina Zagórz</item>
         <item>Gmina Zaklików</item>
         <item>Gmina Zakroczym</item>
         <item>Gmina Zakrzówek</item>
         <item>Gmina Zaleszany</item>
         <item>Gmina Zamość</item>
+        <item>Gmina Żarnowiec</item>
+        <item>Gmina Żarów</item>
         <item>Gmina Zarszyn</item>
         <item>Gmina Zator</item>
+        <item>Gmina Zawadzkie</item>
+        <item>Gmina Zawichost</item>
         <item>Gmina Zawonia</item>
         <item>Gmina Zbąszyń</item>
+        <item>Gmina Zbójno</item>
         <item>Gmina Zbrosławice</item>
         <item>Gmina Zduńska Wola</item>
+        <item>Gmina Zduny</item>
         <item>Gmina Zdzieszowice</item>
         <item>Gmina Zebrzydowice</item>
         <item>Gmina Żelazków</item>
@@ -686,6 +806,7 @@
         <item>Gmina Zławieś Wielka</item>
         <item>Gmina Żmudź</item>
         <item>Gmina Żnin</item>
+        <item>Gmina Żółkiewka</item>
         <item>Gmina Żołynia</item>
         <item>Gmina Żukowice</item>
         <item>Gmina Żyrzyn</item>
@@ -701,12 +822,14 @@
         <item>Gostynin</item>
         <item>Grajewo</item>
         <item>Grodzisk Mazowiecki</item>
+        <item>Gronowo Elbląskie</item>
         <item>Grudziądz</item>
         <item>Gryfino</item>
         <item>Gryfów Śląski</item>
         <item>Hel</item>
         <item>Hrubieszów</item>
         <item>Inowrocław</item>
+        <item>Iwanowice</item>
         <item>Izbica Kujawska</item>
         <item>Jabłonowo Pomorskie</item>
         <item>Janowiec Wielkopolski</item>
@@ -725,6 +848,7 @@
         <item>Kalety</item>
         <item>Kalisz</item>
         <item>Kalwaria Zebrzydowska</item>
+        <item>Kamień Krajeński</item>
         <item>Kańczuga</item>
         <item>Karczew</item>
         <item>Kartuzy</item>
@@ -736,6 +860,7 @@
         <item>Kępno</item>
         <item>Kętrzyn</item>
         <item>Kielce</item>
+        <item>Kiełczygłów</item>
         <item>Kłodawa</item>
         <item>Kłodzko</item>
         <item>Knurów</item>
@@ -751,6 +876,7 @@
         <item>Kościerzyna</item>
         <item>Kostrzyn Nad Odrą</item>
         <item>Koszalin</item>
+        <item>Kowal</item>
         <item>Kowalewo Pomorskie</item>
         <item>Kowary</item>
         <item>Kozienice</item>
@@ -766,7 +892,9 @@
         <item>Krzeszowice</item>
         <item>Krzyż Wielkopolski</item>
         <item>Książ Wielkopolski</item>
+        <item>Kudowa-Zdrój</item>
         <item>Kujawsko-Pomorskie</item>
+        <item>Kuźnia Raciborska</item>
         <item>Łabiszyn</item>
         <item>Lądek-Zdrój</item>
         <item>Łapy</item>
@@ -781,6 +909,7 @@
         <item>Leszno</item>
         <item>Lewin Brzeski</item>
         <item>Leżajsk</item>
+        <item>Limanowa</item>
         <item>Lipno</item>
         <item>Lipsko</item>
         <item>Łódź</item>
@@ -796,12 +925,16 @@
         <item>Lubuskie</item>
         <item>Łuków</item>
         <item>Lwówecki</item>
+        <item>Lwówek Śląski</item>
         <item>Malbork</item>
         <item>Małopolskie</item>
+        <item>Marciszów</item>
         <item>Marki</item>
+        <item>Masłowice</item>
         <item>Mazowieckie</item>
         <item>Miastko</item>
         <item>Michałowice</item>
+        <item>Miechów</item>
         <item>Międzyrzec Podlaski</item>
         <item>Miejska Górka</item>
         <item>Mielec</item>
@@ -816,13 +949,18 @@
         <item>Mysłowice</item>
         <item>Myszków</item>
         <item>Nakło Nad Notecią</item>
+        <item>Nasielsk</item>
+        <item>Niemodlin</item>
+        <item>Niepołomice</item>
         <item>Nisko</item>
         <item>Nowa Dęba</item>
         <item>Nowa Sarzyna</item>
         <item>Nowe Miasteczko</item>
         <item>Nowe Skalmierzyce</item>
         <item>Nowogard</item>
+        <item>Nowogród Bobrzański</item>
         <item>Nowogrodziec</item>
+        <item>Nowosolna</item>
         <item>Nowy Dwór Mazowiecki</item>
         <item>Nowy Sącz</item>
         <item>Nowy Targ</item>
@@ -863,6 +1001,7 @@
         <item>Połczyn-Zdrój</item>
         <item>Pomorskie</item>
         <item>Poniec</item>
+        <item>Poręba</item>
         <item>Powiat aleksandrowski</item>
         <item>Powiat augustowski</item>
         <item>Powiat będziński</item>
@@ -877,6 +1016,7 @@
         <item>Powiat braniewski</item>
         <item>Powiat brodnicki</item>
         <item>Powiat brzeski</item>
+        <item>Powiat brzeziński</item>
         <item>Powiat brzozowski</item>
         <item>Powiat buski</item>
         <item>Powiat bydgoski</item>
@@ -897,6 +1037,7 @@
         <item>Powiat elbląski</item>
         <item>Powiat ełcki</item>
         <item>Powiat garwoliński</item>
+        <item>Powiat gdański</item>
         <item>Powiat giżycki</item>
         <item>Powiat gliwicki</item>
         <item>Powiat głogowski</item>
@@ -955,6 +1096,7 @@
         <item>Powiat leski</item>
         <item>Powiat leszczyński</item>
         <item>Powiat leżajski</item>
+        <item>Powiat lidzbarski</item>
         <item>Powiat limanowski</item>
         <item>Powiat lipnowski</item>
         <item>Powiat lipski</item>
@@ -980,6 +1122,7 @@
         <item>Powiat myślenicki</item>
         <item>Powiat myszkowski</item>
         <item>Powiat nakielski</item>
+        <item>Powiat nidzicki</item>
         <item>Powiat niżański</item>
         <item>Powiat nowodworski</item>
         <item>Powiat nowosądecki</item>
@@ -1015,15 +1158,20 @@
         <item>Powiat polkowicki</item>
         <item>Powiat poznański</item>
         <item>Powiat proszowicki</item>
+        <item>Powiat prudnicki</item>
         <item>Powiat pruszkowski</item>
         <item>Powiat przasnyski</item>
         <item>Powiat przemyski</item>
         <item>Powiat przeworski</item>
+        <item>Powiat przysuski</item>
         <item>Powiat pszczyński</item>
+        <item>Powiat pucki</item>
         <item>Powiat puławski</item>
         <item>Powiat pułtuski</item>
+        <item>Powiat pyrzycki</item>
         <item>Powiat raciborski</item>
         <item>Powiat radomski</item>
+        <item>Powiat radomszczański</item>
         <item>Powiat radziejowski</item>
         <item>Powiat radzyński</item>
         <item>Powiat rawicki</item>
@@ -1054,6 +1202,7 @@
         <item>Powiat starachowicki</item>
         <item>Powiat stargardzki</item>
         <item>Powiat starogardzki</item>
+        <item>Powiat staszowski</item>
         <item>Powiat strzelecki</item>
         <item>Powiat strzeliński</item>
         <item>Powiat strzyżowski</item>
@@ -1096,6 +1245,7 @@
         <item>Powiat wschowski</item>
         <item>Powiat wysokomazowiecki</item>
         <item>Powiat wyszkowski</item>
+        <item>Powiat ząbkowicki</item>
         <item>Powiat żagański</item>
         <item>Powiat zambrowski</item>
         <item>Powiat zamojski</item>
@@ -1112,25 +1262,30 @@
         <item>Powiat żyrardowski</item>
         <item>Powiat żywiecki</item>
         <item>Poznań</item>
+        <item>Prostki</item>
         <item>Proszowice</item>
         <item>Prudnik</item>
         <item>Pruszków</item>
+        <item>Przasnysz</item>
         <item>Przemyśl</item>
         <item>Przeworsk</item>
         <item>Przysucha</item>
         <item>Pszczyna</item>
+        <item>Pszów</item>
         <item>Puck</item>
         <item>Puławy</item>
         <item>Pyskowice</item>
         <item>Rabka-Zdrój</item>
         <item>Raciąż</item>
         <item>Racibórz</item>
+        <item>Raciechowice</item>
         <item>Radom</item>
         <item>Radomsko</item>
         <item>Radymno</item>
         <item>Radziejów</item>
         <item>Radzionków</item>
         <item>Radzyń Podlaski</item>
+        <item>Raków</item>
         <item>Rawa Mazowiecka</item>
         <item>Rawicz</item>
         <item>Reda</item>
@@ -1147,6 +1302,7 @@
         <item>Sandomierz</item>
         <item>Sanok</item>
         <item>Sędziszów Małopolski</item>
+        <item>Sejny</item>
         <item>Siedlce</item>
         <item>Siemianowice Śląskie</item>
         <item>Siemiatycze</item>
@@ -1155,7 +1311,7 @@
         <item>Skarżysko-Kamienna</item>
         <item>Skawina</item>
         <item>Skierniewice</item>
-        <item>Skórcz</item>
+        <item>Skoroszyce</item>
         <item>Śląskie</item>
         <item>Sławno</item>
         <item>Słomniki</item>
@@ -1165,16 +1321,21 @@
         <item>Sokołów Podlaski</item>
         <item>Sopot</item>
         <item>Sosnowiec</item>
+        <item>Śrem</item>
         <item>Środa Śląska</item>
         <item>Środa Wielkopolska</item>
         <item>Starachowice</item>
         <item>Starogard Gdański</item>
         <item>Stary Sącz</item>
         <item>Staszów</item>
+        <item>Stronie Śląskie</item>
         <item>Strzegom</item>
+        <item>Strzyżów</item>
+        <item>Suchy Las</item>
         <item>Sulejówek</item>
         <item>Sułkowice</item>
         <item>Sulmierzyce</item>
+        <item>Suwalski</item>
         <item>Swarzędz</item>
         <item>Świdnica</item>
         <item>Świdnik</item>
@@ -1220,9 +1381,11 @@
         <item>Więcbork</item>
         <item>Wieliczka</item>
         <item>Wielkopolskie</item>
+        <item>Wizna</item>
         <item>Władysławowo</item>
         <item>Włocławek</item>
         <item>Włodawa</item>
+        <item>Woźniki</item>
         <item>Wrocław</item>
         <item>Września</item>
         <item>Wschowa</item>
@@ -1240,6 +1403,7 @@
         <item>Żary</item>
         <item>Zawidów</item>
         <item>Zduńska Wola</item>
+        <item>Zduny</item>
         <item>Żelechów</item>
         <item>Zgierz</item>
         <item>Zgorzelec</item>
@@ -1249,7 +1413,6 @@
         <item>Żory</item>
         <item>Zwoleń</item>
         <item>Żyrardów</item>
-        <item>Żywiec</item>
     </string-array>
     <string-array name="symbols_values">
         <item>andrychow</item>
@@ -1269,6 +1432,8 @@
         <item>bielskobiala</item>
         <item>bierawa</item>
         <item>bierutow</item>
+        <item>biskupice</item>
+        <item>blachownia</item>
         <item>blaszki</item>
         <item>blonie</item>
         <item>bochnia</item>
@@ -1308,6 +1473,7 @@
         <item>dabrowatarnowska</item>
         <item>debica</item>
         <item>dobrzenwielki</item>
+        <item>dobrzynnadwisla</item>
         <item>dolnoslaskie</item>
         <item>dusznikizdroj</item>
         <item>dynow</item>
@@ -1328,36 +1494,53 @@
         <item>gminaaleksandrowkujawski</item>
         <item>gminaaleksandrowlodzki</item>
         <item>gminaalwernia</item>
+        <item>gminaandrzejewo</item>
         <item>gminaannopol</item>
+        <item>gminaaugustow</item>
         <item>gminababice</item>
+        <item>gminabadkowo</item>
         <item>gminabaltow</item>
         <item>gminabaranow</item>
+        <item>gminabarciany</item>
         <item>gminabarcin</item>
         <item>gminabaruchowo</item>
         <item>gminabedzino</item>
         <item>gminabelchatow</item>
+        <item>gminabialaczow</item>
         <item>gminabialeblota</item>
+        <item>gminabielskpodlaski</item>
         <item>gminabircza</item>
         <item>gminablazowa</item>
         <item>gminabledow</item>
         <item>gminabobolice</item>
+        <item>gminabobowa</item>
         <item>gminabobowo</item>
         <item>gminabobrowniki</item>
+        <item>gminabodzentyn</item>
+        <item>gminabogoria</item>
+        <item>gminabojanow</item>
         <item>gminabojanowo</item>
         <item>gminabojszowy</item>
         <item>gminaboleslawiec</item>
         <item>gminabolkow</item>
         <item>gminaboronow</item>
+        <item>gminaborow</item>
         <item>gminaborowa</item>
         <item>gminaborzecin</item>
         <item>gminabranice</item>
+        <item>gminabraniewo</item>
         <item>gminabraszewice</item>
         <item>gminabrenna</item>
         <item>gminabrzegdolny</item>
         <item>gminabrzeziny</item>
         <item>gminabrzeznio</item>
+        <item>gminabrzostek</item>
         <item>gminabrzozow</item>
+        <item>gminabrzuze</item>
         <item>gminabrzyska</item>
+        <item>gminabuczek</item>
+        <item>gminabuczkowice</item>
+        <item>gminabudzow</item>
         <item>gminabudzyn</item>
         <item>gminabukowsko</item>
         <item>gminabyczyna</item>
@@ -1366,15 +1549,15 @@
         <item>gminacekowkolonia</item>
         <item>gminacelestynow</item>
         <item>gminacewice</item>
+        <item>gminacharsznica</item>
         <item>gminachelm</item>
         <item>gminachelmiec</item>
         <item>gminachelmno</item>
         <item>gminachmielnik</item>
-        <item>gminachodecz</item>
+        <item>gminachocz</item>
         <item>gminachodel</item>
         <item>gminachojnice</item>
         <item>gminachojnow</item>
-        <item>gminachorkowka</item>
         <item>gminachrzypskowielkie</item>
         <item>gminachybie</item>
         <item>gminaciasna</item>
@@ -1386,12 +1569,12 @@
         <item>gminaczaplinek</item>
         <item>gminaczarna</item>
         <item>gminaczarnkow</item>
-        <item>gminaczarnybor</item>
         <item>gminaczarnydunajec</item>
         <item>gminaczechowicedziedzice</item>
         <item>gminaczernichow</item>
         <item>gminaczerniejewo</item>
         <item>gminaczerwionkaleszczyny</item>
+        <item>gminaczerwonka</item>
         <item>gminaczluchow</item>
         <item>gminaczosnow</item>
         <item>gminadamaslawek</item>
@@ -1399,6 +1582,7 @@
         <item>gminadarlowo</item>
         <item>gminadebewielkie</item>
         <item>gminadebica</item>
+        <item>gminadebno</item>
         <item>gminadlutow</item>
         <item>gminadobczyce</item>
         <item>gminadobra</item>
@@ -1410,6 +1594,7 @@
         <item>gminadominowo</item>
         <item>gminadorohusk</item>
         <item>gminadrzewica</item>
+        <item>gminadubiecko</item>
         <item>gminadukla</item>
         <item>gminadwikozy</item>
         <item>gminadynow</item>
@@ -1433,6 +1618,7 @@
         <item>gminagluszyca</item>
         <item>gminagniew</item>
         <item>gminagniewoszow</item>
+        <item>gminagniezno</item>
         <item>gminagoczalkowicezdroj</item>
         <item>gminagodkowo</item>
         <item>gminagodow</item>
@@ -1451,6 +1637,7 @@
         <item>gminagozd</item>
         <item>gminagrabow</item>
         <item>gminagrabowiec</item>
+        <item>gminagrabownadpilica</item>
         <item>gminagrajewo</item>
         <item>gminagranowo</item>
         <item>gminagrebocice</item>
@@ -1461,6 +1648,7 @@
         <item>gminagrodziec</item>
         <item>gminagrojec</item>
         <item>gminagromadka</item>
+        <item>gminagromnik</item>
         <item>gminagronowoelblaskie</item>
         <item>gminagrudziadz</item>
         <item>gminagruta</item>
@@ -1470,13 +1658,17 @@
         <item>gminahansk</item>
         <item>gminaharasiuki</item>
         <item>gminahazlach</item>
+        <item>gminaherby</item>
         <item>gminahrubieszow</item>
+        <item>gminahuszlew</item>
         <item>gminahyzne</item>
         <item>gminaimielno</item>
         <item>gminainowroclaw</item>
+        <item>gminaistebna</item>
         <item>gminaiwierzyce</item>
         <item>gminaiwoniczzdroj</item>
         <item>gminaizabelin</item>
+        <item>gminaizbica</item>
         <item>gminajadow</item>
         <item>gminajaktorow</item>
         <item>gminajanikowo</item>
@@ -1488,19 +1680,23 @@
         <item>gminajaslo</item>
         <item>gminajastkow</item>
         <item>gminajastrowie</item>
+        <item>gminajastrzab</item>
         <item>gminajedlicze</item>
         <item>gminajedlinsk</item>
         <item>gminajedlnialetnisko</item>
         <item>gminajejkowice</item>
         <item>gminajemielnica</item>
+        <item>gminajemielno</item>
         <item>gminajerzmanowa</item>
         <item>gminajezewo</item>
         <item>gminajeziorawielkie</item>
+        <item>gminajeziorzany</item>
         <item>gminajezowe</item>
         <item>gminajordanow</item>
         <item>gminajozefow</item>
         <item>gminajozefownadwisla</item>
         <item>gminajutrosin</item>
+        <item>gminakakolewnica</item>
         <item>gminakamien</item>
         <item>gminakamienica</item>
         <item>gminakamieniec</item>
@@ -1513,9 +1709,11 @@
         <item>gminakielczyglow</item>
         <item>gminakikol</item>
         <item>gminakiszkowo</item>
+        <item>gminakleczew</item>
         <item>gminaklembow</item>
         <item>gminakleszczewo</item>
         <item>gminakleszczow</item>
+        <item>gminaklimontow</item>
         <item>gminaklobuck</item>
         <item>gminakloczew</item>
         <item>gminaklomnice</item>
@@ -1523,6 +1721,8 @@
         <item>gminaklucze</item>
         <item>gminakluczewsko</item>
         <item>gminakobielewielkie</item>
+        <item>gminakochanowice</item>
+        <item>gminakock</item>
         <item>gminakodrab</item>
         <item>gminakolaczyce</item>
         <item>gminakolbaskowo</item>
@@ -1531,9 +1731,13 @@
         <item>gminakomancza</item>
         <item>gminakomorniki</item>
         <item>gminakomprachcice</item>
+        <item>gminakonarzyny</item>
+        <item>gminakondratowice</item>
+        <item>gminakoniusza</item>
         <item>gminakonopiska</item>
         <item>gminakonskowola</item>
-        <item>gminakorczyna</item>
+        <item>gminakoprzywnica</item>
+        <item>gminakorsze</item>
         <item>gminakorycin</item>
         <item>gminakorzenna</item>
         <item>gminakosakowo</item>
@@ -1542,6 +1746,7 @@
         <item>gminakoscierzyna</item>
         <item>gminakosowlacki</item>
         <item>gminakostrzyn</item>
+        <item>gminakoszyce</item>
         <item>gminakotla</item>
         <item>gminakotun</item>
         <item>gminakozlow</item>
@@ -1553,22 +1758,31 @@
         <item>gminakrokowa</item>
         <item>gminakrosnice</item>
         <item>gminakrupskimlyn</item>
+        <item>gminakruszwica</item>
+        <item>gminakrynki</item>
         <item>gminakrzanowice</item>
         <item>gminakrzemieniewo</item>
         <item>gminakrzymow</item>
+        <item>gminakrzywin</item>
         <item>gminakrzyzanowice</item>
+        <item>gminaksiazwielki</item>
         <item>gminakunice</item>
         <item>gminakunow</item>
         <item>gminakurow</item>
+        <item>gminakurylowka</item>
         <item>gminakwidzyn</item>
         <item>gminakwilcz</item>
+        <item>gminalabowa</item>
         <item>gminalabunie</item>
         <item>gminalambinowice</item>
         <item>gminalanckorona</item>
         <item>gminalapszenizne</item>
+        <item>gminalasin</item>
         <item>gminalaskarzew</item>
         <item>gminalasowicewielkie</item>
         <item>gminalaszczow</item>
+        <item>gminalaszki</item>
+        <item>gminalatowicz</item>
         <item>gminalazy</item>
         <item>gminaleczyca</item>
         <item>gminaleczyce</item>
@@ -1580,16 +1794,20 @@
         <item>gminalesnapodlaska</item>
         <item>gminalesznowola</item>
         <item>gminalezajsk</item>
+        <item>gminalichnowy</item>
         <item>gminalimanowa</item>
+        <item>gminalinia</item>
         <item>gminalipinki</item>
         <item>gminalipnik</item>
         <item>gminalipowa</item>
         <item>gminalisiagora</item>
         <item>gminaliszki</item>
+        <item>gminaliw</item>
         <item>gminalobez</item>
         <item>gminalodygowice</item>
         <item>gminalomazy</item>
         <item>gminalopiennikgorny</item>
+        <item>gminalopuszno</item>
         <item>gminaluban</item>
         <item>gminalubartow</item>
         <item>gminalubasz</item>
@@ -1599,30 +1817,40 @@
         <item>gminalubiewo</item>
         <item>gminalubin</item>
         <item>gminalubniany</item>
+        <item>gminalubochnia</item>
         <item>gminalubomia</item>
         <item>gminalubon</item>
         <item>gminalukow</item>
+        <item>gminalukowica</item>
+        <item>gminalutowiska</item>
         <item>gminaluzino</item>
         <item>gminaluzna</item>
         <item>gminalysomice</item>
         <item>gminamagnuszew</item>
         <item>gminamakowpodhalanski</item>
+        <item>gminamalawies</item>
         <item>gminamalbork</item>
         <item>gminamaldyty</item>
+        <item>gminamalkiniagorna</item>
         <item>gminamarcinowice</item>
         <item>gminamargonin</item>
         <item>gminamarianowo</item>
+        <item>gminamarkusy</item>
         <item>gminamaslow</item>
+        <item>gminamedyka</item>
         <item>gminamelgiew</item>
+        <item>gminamichalow</item>
         <item>gminamichalowo</item>
         <item>gminamiedzianagora</item>
         <item>gminamiedzna</item>
         <item>gminamiedzno</item>
         <item>gminamiedzyborz</item>
         <item>gminamiedzylesie</item>
+        <item>gminamiedzyrzecpodlaski</item>
         <item>gminamiedzyzdroje</item>
         <item>gminamiejscepiastowe</item>
         <item>gminamielec</item>
+        <item>gminamilanow</item>
         <item>gminamilejow</item>
         <item>gminamilicz</item>
         <item>gminamilkowice</item>
@@ -1636,28 +1864,38 @@
         <item>gminamogilany</item>
         <item>gminamordy</item>
         <item>gminamoryn</item>
+        <item>gminamrocza</item>
         <item>gminamrozy</item>
         <item>gminamszana</item>
         <item>gminamszanadolna</item>
         <item>gminamurow</item>
         <item>gminamycielin</item>
+        <item>gminamyslakowice</item>
         <item>gminamysliborz</item>
         <item>gminanadarzyn</item>
+        <item>gminanamyslow</item>
+        <item>gminanasielsk</item>
         <item>gminanawojowa</item>
+        <item>gminanedza</item>
         <item>gminanekla</item>
         <item>gminaniebylec</item>
         <item>gminaniechlow</item>
         <item>gminaniedrzwicaduza</item>
+        <item>gminaniedzwiada</item>
+        <item>gminaniedzwiedz</item>
         <item>gminaniegoslawice</item>
         <item>gminaniwiska</item>
         <item>gminanowaruda</item>
         <item>gminanowawiesleborska</item>
         <item>gminanowemiasto</item>
         <item>gminanowemiastonadwarta</item>
+        <item>gminanowogrodbobrzanski</item>
         <item>gminanowosolna</item>
         <item>gminanowykaweczyn</item>
         <item>gminanowystaw</item>
         <item>gminanowytarg</item>
+        <item>gminanowytomysl</item>
+        <item>gminanur</item>
         <item>gminaobrazow</item>
         <item>gminaochotnicadolna</item>
         <item>gminaogrodzieniec</item>
@@ -1671,33 +1909,45 @@
         <item>gminaosiekjasielski</item>
         <item>gminaosiekmaly</item>
         <item>gminaosielsko</item>
+        <item>gminaostrow</item>
         <item>gminaostrowek</item>
         <item>gminaostrowlubelski</item>
         <item>gminaostrowmazowiecka</item>
         <item>gminaostrowwielkopolski</item>
         <item>gminaotyn</item>
         <item>gminaozarow</item>
+        <item>gminaozarowice</item>
         <item>gminaozimek</item>
         <item>gminaozorkow</item>
         <item>gminapabianice</item>
         <item>gminapacanow</item>
+        <item>gminapaczkow</item>
         <item>gminapadewnarodowa</item>
+        <item>gminapajeczno</item>
         <item>gminapakoslaw</item>
         <item>gminapakoslawice</item>
+        <item>gminapalecznica</item>
         <item>gminapanki</item>
         <item>gminaparchowo</item>
         <item>gminaparczew</item>
         <item>gminapawlosiow</item>
         <item>gminapawlowice</item>
+        <item>gminapawlowiczki</item>
+        <item>gminapeclaw</item>
         <item>gminapelplin</item>
         <item>gminapiaski</item>
         <item>gminapiatnica</item>
+        <item>gminapiecki</item>
+        <item>gminapiekoszow</item>
         <item>gminapilchowice</item>
         <item>gminapionki</item>
+        <item>gminapiotrkowtrybunalski</item>
         <item>gminaplesna</item>
         <item>gminapleszew</item>
         <item>gminaplonsk</item>
+        <item>gminaplosnica</item>
         <item>gminapoczesna</item>
+        <item>gminapodedworze</item>
         <item>gminapodegrodzie</item>
         <item>gminapokoj</item>
         <item>gminapolajewo</item>
@@ -1707,6 +1957,7 @@
         <item>gminapolice</item>
         <item>gminapolkowice</item>
         <item>gminapomiechowek</item>
+        <item>gminapopielow</item>
         <item>gminapopow</item>
         <item>gminaporaj</item>
         <item>gminapotegowo</item>
@@ -1733,23 +1984,27 @@
         <item>gminapuszczamarianska</item>
         <item>gminapysznica</item>
         <item>gminapyzdry</item>
+        <item>gminarachanie</item>
         <item>gminaraciechowice</item>
         <item>gminaraclawice</item>
         <item>gminaradecznica</item>
         <item>gminaradkow</item>
         <item>gminaradlow</item>
         <item>gminaradomin</item>
+        <item>gminaradomsko</item>
         <item>gminaradomyslnadsanem</item>
         <item>gminaradoszyce</item>
         <item>gminaradwanice</item>
         <item>gminaradzilow</item>
         <item>gminarawamazowiecka</item>
         <item>gminarenskawies</item>
+        <item>gminarossosz</item>
         <item>gminarozprza</item>
         <item>gminarucianenida</item>
         <item>gminarudahuta</item>
         <item>gminarudna</item>
         <item>gminarudniki</item>
+        <item>gminarusiec</item>
         <item>gminarychliki</item>
         <item>gminarychtal</item>
         <item>gminaryczywol</item>
@@ -1760,27 +2015,33 @@
         <item>gminarzasnia</item>
         <item>gminarzeczyca</item>
         <item>gminarzepiennikstrzyzewski</item>
-        <item>gminarzezawa</item>
+        <item>gminarzepin</item>
         <item>gminarzgow</item>
         <item>gminasadki</item>
         <item>gminasadowne</item>
         <item>gminasamborzec</item>
+        <item>gminasanok</item>
         <item>gminascinawa</item>
         <item>gminasedziejowice</item>
         <item>gminasepopol</item>
         <item>gminaserokomla</item>
+        <item>gminasianow</item>
         <item>gminasicienko</item>
         <item>gminasieciechow</item>
         <item>gminasiedlce</item>
+        <item>gminasiemiatycze</item>
         <item>gminasiemysl</item>
         <item>gminasiennica</item>
         <item>gminasiennicarozana</item>
         <item>gminasienno</item>
         <item>gminasiepraw</item>
+        <item>gminasieradz</item>
         <item>gminasierakowice</item>
         <item>gminasiewierz</item>
+        <item>gminasitno</item>
         <item>gminaskarzyskokoscielne</item>
         <item>gminaskepe</item>
+        <item>gminaskierniewice</item>
         <item>gminaskoczow</item>
         <item>gminaskoki</item>
         <item>gminaskolyszyn</item>
@@ -1790,8 +2051,10 @@
         <item>gminaslopnice</item>
         <item>gminaslupca</item>
         <item>gminaslupia</item>
+        <item>gminasobieniejeziory</item>
         <item>gminasobotka</item>
         <item>gminasokolka</item>
+        <item>gminasokoly</item>
         <item>gminasolina</item>
         <item>gminasosnicowice</item>
         <item>gminasosnie</item>
@@ -1809,12 +2072,15 @@
         <item>gminastawiszyn</item>
         <item>gminastoczeklukowski</item>
         <item>gminastopnica</item>
+        <item>gminastrawczyn</item>
         <item>gminastrykow</item>
         <item>gminastryszow</item>
         <item>gminastrzalkowo</item>
         <item>gminastrzelceopolskie</item>
         <item>gminastrzelin</item>
+        <item>gminastrzelno</item>
         <item>gminastrzyzewice</item>
+        <item>gminastupsk</item>
         <item>gminasubkowy</item>
         <item>gminasuchedniow</item>
         <item>gminasuchozebry</item>
@@ -1831,14 +2097,18 @@
         <item>gminaswilcza</item>
         <item>gminaszadek</item>
         <item>gminaszaflary</item>
+        <item>gminaszastarka</item>
         <item>gminaszczebrzeszyn</item>
         <item>gminaszczekociny</item>
         <item>gminaszczercow</item>
         <item>gminaszczutowo</item>
         <item>gminaszczytna</item>
         <item>gminaszczytniki</item>
+        <item>gminaszemud</item>
         <item>gminaszerzyny</item>
         <item>gminaszlichtyngowa</item>
+        <item>gminaszydlow</item>
+        <item>gminatarlow</item>
         <item>gminatarnow</item>
         <item>gminatarnowiec</item>
         <item>gminatarnowopolski</item>
@@ -1858,16 +2128,19 @@
         <item>gminatrzyciaz</item>
         <item>gminatuchow</item>
         <item>gminaturosnkoscielna</item>
+        <item>gminatuszownarodowy</item>
         <item>gminatyczyn</item>
         <item>gminatymbark</item>
         <item>gminatyrawawoloska</item>
         <item>gminauchanie</item>
         <item>gminaujazd</item>
+        <item>gminaulanmajorat</item>
+        <item>gminaulanow</item>
         <item>gminaulez</item>
         <item>gminaurszulin</item>
         <item>gminaurzedow</item>
+        <item>gminauscimow</item>
         <item>gminawachock</item>
-        <item>gminawadowicegorne</item>
         <item>gminawagrowiec</item>
         <item>gminawapielsk</item>
         <item>gminawasilkow</item>
@@ -1885,7 +2158,9 @@
         <item>gminawieniawa</item>
         <item>gminawieprz</item>
         <item>gminawieruszow</item>
+        <item>gminawierzbno</item>
         <item>gminawierzchoslawice</item>
+        <item>gminawietrzychowice</item>
         <item>gminawijewo</item>
         <item>gminawilczyn</item>
         <item>gminawilkow</item>
@@ -1916,17 +2191,25 @@
         <item>gminawyrzysk</item>
         <item>gminazabierzow</item>
         <item>gminazabno</item>
+        <item>gminazagan</item>
+        <item>gminazagorz</item>
         <item>gminazaklikow</item>
         <item>gminazakroczym</item>
         <item>gminazakrzowek</item>
         <item>gminazaleszany</item>
         <item>gminazamosc</item>
+        <item>gminazarnowiec</item>
+        <item>gminazarow</item>
         <item>gminazarszyn</item>
         <item>gminazator</item>
+        <item>gminazawadzkie</item>
+        <item>gminazawichost</item>
         <item>gminazawonia</item>
         <item>gminazbaszyn</item>
+        <item>gminazbojno</item>
         <item>gminazbroslawice</item>
         <item>gminazdunskawola</item>
+        <item>gminazduny</item>
         <item>gminazdzieszowice</item>
         <item>gminazebrzydowice</item>
         <item>gminazelazkow</item>
@@ -1937,6 +2220,7 @@
         <item>gminazlawieswielka</item>
         <item>gminazmudz</item>
         <item>gminaznin</item>
+        <item>gminazolkiewka</item>
         <item>gminazolynia</item>
         <item>gminazukowice</item>
         <item>gminazyrzyn</item>
@@ -1952,12 +2236,14 @@
         <item>gostynin</item>
         <item>grajewo</item>
         <item>grodziskmazowiecki</item>
+        <item>gronowoelblaskie</item>
         <item>grudziadz</item>
         <item>gryfino</item>
         <item>gryfowslaski</item>
         <item>hel</item>
         <item>hrubieszow</item>
         <item>inowroclaw</item>
+        <item>iwanowice</item>
         <item>izbicakujawska</item>
         <item>jablonowopomorskie</item>
         <item>janowiecwielkopolski</item>
@@ -1976,6 +2262,7 @@
         <item>kalety</item>
         <item>kalisz</item>
         <item>kalwariazebrzydowska</item>
+        <item>kamienkrajenski</item>
         <item>kanczuga</item>
         <item>karczew</item>
         <item>kartuzy</item>
@@ -1987,6 +2274,7 @@
         <item>kepno</item>
         <item>ketrzyn</item>
         <item>kielce</item>
+        <item>kielczyglow</item>
         <item>klodawa</item>
         <item>klodzko</item>
         <item>knurow</item>
@@ -2002,6 +2290,7 @@
         <item>koscierzyna</item>
         <item>kostrzynnadodra</item>
         <item>koszalin</item>
+        <item>kowal</item>
         <item>kowalewopomorskie</item>
         <item>kowary</item>
         <item>kozienice</item>
@@ -2017,7 +2306,9 @@
         <item>krzeszowice</item>
         <item>krzyzwielkopolski</item>
         <item>ksiazwielkopolski</item>
+        <item>kudowazdroj</item>
         <item>kujawskopomorskie</item>
+        <item>kuzniaraciborska</item>
         <item>labiszyn</item>
         <item>ladekzdroj</item>
         <item>lapy</item>
@@ -2032,6 +2323,7 @@
         <item>leszno</item>
         <item>lewinbrzeski</item>
         <item>lezajsk</item>
+        <item>limanowa</item>
         <item>lipno</item>
         <item>lipsko</item>
         <item>lodz</item>
@@ -2047,12 +2339,16 @@
         <item>lubuskie</item>
         <item>lukow</item>
         <item>lwowecki</item>
+        <item>lwowekslaski</item>
         <item>malbork</item>
         <item>malopolskie</item>
+        <item>marciszow</item>
         <item>marki</item>
+        <item>maslowice</item>
         <item>mazowieckie</item>
         <item>miastko</item>
         <item>michalowice</item>
+        <item>miechow</item>
         <item>miedzyrzecpodlaski</item>
         <item>miejskagorka</item>
         <item>mielec</item>
@@ -2067,13 +2363,18 @@
         <item>myslowice</item>
         <item>myszkow</item>
         <item>naklonadnotecia</item>
+        <item>nasielsk</item>
+        <item>niemodlin</item>
+        <item>niepolomice</item>
         <item>nisko</item>
         <item>nowadeba</item>
         <item>nowasarzyna</item>
         <item>nowemiasteczko</item>
         <item>noweskalmierzyce</item>
         <item>nowogard</item>
+        <item>nowogrodbobrzanski</item>
         <item>nowogrodziec</item>
+        <item>nowosolna</item>
         <item>nowydwormazowiecki</item>
         <item>nowysacz</item>
         <item>nowytarg</item>
@@ -2114,6 +2415,7 @@
         <item>polczynzdroj</item>
         <item>pomorskie</item>
         <item>poniec</item>
+        <item>poreba</item>
         <item>powiataleksandrowski</item>
         <item>powiataugustowski</item>
         <item>powiatbedzinski</item>
@@ -2128,6 +2430,7 @@
         <item>powiatbraniewski</item>
         <item>powiatbrodnicki</item>
         <item>powiatbrzeski</item>
+        <item>powiatbrzezinski</item>
         <item>powiatbrzozowski</item>
         <item>powiatbuski</item>
         <item>powiatbydgoski</item>
@@ -2148,6 +2451,7 @@
         <item>powiatelblaski</item>
         <item>powiatelcki</item>
         <item>powiatgarwolinski</item>
+        <item>powiatgdanski</item>
         <item>powiatgizycki</item>
         <item>powiatgliwicki</item>
         <item>powiatglogowski</item>
@@ -2206,6 +2510,7 @@
         <item>powiatleski</item>
         <item>powiatleszczynski</item>
         <item>powiatlezajski</item>
+        <item>powiatlidzbarski</item>
         <item>powiatlimanowski</item>
         <item>powiatlipnowski</item>
         <item>powiatlipski</item>
@@ -2231,6 +2536,7 @@
         <item>powiatmyslenicki</item>
         <item>powiatmyszkowski</item>
         <item>powiatnakielski</item>
+        <item>powiatnidzicki</item>
         <item>powiatnizanski</item>
         <item>powiatnowodworski</item>
         <item>powiatnowosadecki</item>
@@ -2266,15 +2572,20 @@
         <item>powiatpolkowicki</item>
         <item>powiatpoznanski</item>
         <item>powiatproszowicki</item>
+        <item>powiatprudnicki</item>
         <item>powiatpruszkowski</item>
         <item>powiatprzasnyski</item>
         <item>powiatprzemyski</item>
         <item>powiatprzeworski</item>
+        <item>powiatprzysuski</item>
         <item>powiatpszczynski</item>
+        <item>powiatpucki</item>
         <item>powiatpulawski</item>
         <item>powiatpultuski</item>
+        <item>powiatpyrzycki</item>
         <item>powiatraciborski</item>
         <item>powiatradomski</item>
+        <item>powiatradomszczanski</item>
         <item>powiatradziejowski</item>
         <item>powiatradzynski</item>
         <item>powiatrawicki</item>
@@ -2305,6 +2616,7 @@
         <item>powiatstarachowicki</item>
         <item>powiatstargardzki</item>
         <item>powiatstarogardzki</item>
+        <item>powiatstaszowski</item>
         <item>powiatstrzelecki</item>
         <item>powiatstrzelinski</item>
         <item>powiatstrzyzowski</item>
@@ -2347,6 +2659,7 @@
         <item>powiatwschowski</item>
         <item>powiatwysokomazowiecki</item>
         <item>powiatwyszkowski</item>
+        <item>powiatzabkowicki</item>
         <item>powiatzaganski</item>
         <item>powiatzambrowski</item>
         <item>powiatzamojski</item>
@@ -2363,25 +2676,30 @@
         <item>powiatzyrardowski</item>
         <item>powiatzywiecki</item>
         <item>poznan</item>
+        <item>prostki</item>
         <item>proszowice</item>
         <item>prudnik</item>
         <item>pruszkow</item>
+        <item>przasnysz</item>
         <item>przemysl</item>
         <item>przeworsk</item>
         <item>przysucha</item>
         <item>pszczyna</item>
+        <item>pszow</item>
         <item>puck</item>
         <item>pulawy</item>
         <item>pyskowice</item>
         <item>rabkazdroj</item>
         <item>raciaz</item>
         <item>raciborz</item>
+        <item>raciechowice</item>
         <item>radom</item>
         <item>radomsko</item>
         <item>radymno</item>
         <item>radziejow</item>
         <item>radzionkow</item>
         <item>radzynpodlaski</item>
+        <item>rakow</item>
         <item>rawamazowiecka</item>
         <item>rawicz</item>
         <item>reda</item>
@@ -2398,6 +2716,7 @@
         <item>sandomierz</item>
         <item>sanok</item>
         <item>sedziszowmalopolski</item>
+        <item>sejny</item>
         <item>siedlce</item>
         <item>siemianowiceslaskie</item>
         <item>siemiatycze</item>
@@ -2406,7 +2725,7 @@
         <item>skarzyskokamienna</item>
         <item>skawina</item>
         <item>skierniewice</item>
-        <item>skorcz</item>
+        <item>skoroszyce</item>
         <item>slaskie</item>
         <item>slawno</item>
         <item>slomniki</item>
@@ -2416,16 +2735,21 @@
         <item>sokolowpodlaski</item>
         <item>sopot</item>
         <item>sosnowiec</item>
+        <item>srem</item>
         <item>srodaslaska</item>
         <item>srodawielkopolska</item>
         <item>starachowice</item>
         <item>starogardgdanski</item>
         <item>starysacz</item>
         <item>staszow</item>
+        <item>stronieslaskie</item>
         <item>strzegom</item>
+        <item>strzyzow</item>
+        <item>suchylas</item>
         <item>sulejowek</item>
         <item>sulkowice</item>
         <item>sulmierzyce</item>
+        <item>suwalski</item>
         <item>swarzedz</item>
         <item>swidnica</item>
         <item>swidnik</item>
@@ -2471,9 +2795,11 @@
         <item>wiecbork</item>
         <item>wieliczka</item>
         <item>wielkopolskie</item>
+        <item>wizna</item>
         <item>wladyslawowo</item>
         <item>wloclawek</item>
         <item>wlodawa</item>
+        <item>wozniki</item>
         <item>wroclaw</item>
         <item>wrzesnia</item>
         <item>wschowa</item>
@@ -2491,6 +2817,7 @@
         <item>zary</item>
         <item>zawidow</item>
         <item>zdunskawola</item>
+        <item>zduny</item>
         <item>zelechow</item>
         <item>zgierz</item>
         <item>zgorzelec</item>
@@ -2500,6 +2827,5 @@
         <item>zory</item>
         <item>zwolen</item>
         <item>zyrardow</item>
-        <item>zywiec</item>
     </string-array>
 </resources>
diff --git a/app/src/main/res/values/attrs.xml b/app/src/main/res/values/attrs.xml
index accd3f807..49ef39ab3 100644
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <attr name="colorDivider" format="color" />
+    <attr name="colorSwipeRefresh" format="color" />
+    <attr name="colorTimetableChange" format="color" />
 </resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index f7accebfb..b2e0dcef1 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -6,9 +6,24 @@
     <color name="colorError">#ff5722</color>
     <color name="colorErrorLight">#e84853</color>
 
+    <color name="colorNavigationBarLight">#2D2D2D</color>
+    <color name="colorNavigationBarBlack">#1E1E1E</color>
+
+    <color name="colorStatusBarLight">#1C1C1C</color>
+    <color name="colorStatusBarBlack">#0D0D0D</color>
+
+    <color name="timetable_change_light">#ffd54f</color>
+    <color name="timetable_change_dark">#ff8f00</color>
+
     <color name="colorDivider">#1f000000</color>
     <color name="colorDividerInverse">#1fffffff</color>
 
+    <color name="colorSwipeRefreshDark">#ff383838</color>
+    <color name="colorSwipeRefresh">#ffffffff</color>
+
+    <color name="note_positive">#a0c431</color>
+    <color name="note_negative">#d43f3f</color>
+
     <color name="grade_black">#424242</color>
     <color name="grade_red">#d43f3f</color>
     <color name="grade_blue">#49a6f2</color>
@@ -31,9 +46,10 @@
     <color name="grade_vulcan_one">#d65757</color>
     <color name="grade_vulcan_default">#3d5f9c</color>
 
-    <color name="chip_backgroundColor_inverse">#595959</color>
-    <color name="chip_labelColor_inverse">#fefefe</color>
-    <color name="chip_detailed_backgroundColor">#fefefe</color>
-    <color name="filterable_list_backgroundColor_inverse">#393939</color>
-    <color name="filterable_list_textColor_inverse">#fefefe</color>
+
+    <!--Dark color resource for app widgets-->
+
+    <color name="colorWidgetBackground">#121212</color>
+    <color name="colorWidgetTopBar">#272727</color>
+    <color name="colorWidgetNavButton">#383838</color>
 </resources>
diff --git a/app/src/main/res/values/library_wulkanowy_api.xml b/app/src/main/res/values/library_wulkanowy_api.xml
deleted file mode 100644
index d16bf86bd..000000000
--- a/app/src/main/res/values/library_wulkanowy_api.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="define_WulkanowyApi" translatable="false" />
-
-    <string name="library_WulkanowyApi_author" translatable="false">Wulkanowy</string>
-    <string name="library_WulkanowyApi_authorWebsite" translatable="false">https://github.com/wulkanowy</string>
-
-    <string name="library_WulkanowyApi_libraryName" translatable="false">UONET+ Scraping API</string>
-    <string name="library_WulkanowyApi_libraryDescription" translatable="false">The  UONET+ client using web scraping</string>
-    <string name="library_WulkanowyApi_libraryWebsite" translatable="false">https://github.com/wulkanowy/api</string>
-    <string name="library_WulkanowyApi_libraryVersion" translatable="false">Development</string>
-
-    <string name="library_WulkanowyApi_isOpenSource" translatable="false">true</string>
-    <string name="library_WulkanowyApi_repositoryLink" translatable="false">https://github.com/wulkanowy/api</string>
-
-    <string name="library_WulkanowyApi_licenseId" translatable="false">apache_2_0</string>
-</resources>
diff --git a/app/src/main/res/values/preferences_defaults.xml b/app/src/main/res/values/preferences_defaults.xml
new file mode 100644
index 000000000..fb82e0ed6
--- /dev/null
+++ b/app/src/main/res/values/preferences_defaults.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
+    <string name="pref_default_startup">0</string>
+    <bool name="pref_default_attendance_present">true</bool>
+    <string name="pref_default_grade_average_mode">only_one_semester</string>
+    <bool name="pref_default_grade_average_force_calc">false</bool>
+    <bool name="pref_default_expand_grade">false</bool>
+    <bool name="pref_default_grade_statistics_list">false</bool>
+    <string name="pref_default_app_theme">light</string>
+    <string name="pref_default_grade_color_scheme">vulcan</string>
+    <string name="pref_default_app_language">system</string>
+    <bool name="pref_default_services_enable">true</bool>
+    <string name="pref_default_services_interval">60</string>
+    <bool name="pref_default_services_wifi_only">false</bool>
+    <bool name="pref_default_notifications_enable">true</bool>
+    <bool name="pref_default_notification_upcoming_lessons_enable">false</bool>
+    <bool name="pref_default_notification_debug">false</bool>
+    <string name="pref_default_grade_modifier_plus">0.33</string>
+    <string name="pref_default_grade_modifier_minus">0.33</string>
+    <bool name="pref_default_fill_message_content">true</bool>
+    <bool name="pref_default_timetable_show_groups">false</bool>
+    <string name="pref_default_timetable_show_whole_class">no</string>
+    <string name="pref_default_grade_sorting_mode">alphabetic</string>
+    <bool name="pref_default_timetable_show_timers">false</bool>
+    <bool name="pref_default_homework_fullscreen">false</bool>
+    <bool name="pref_default_subjects_without_grades">false</bool>
+</resources>
diff --git a/app/src/main/res/values/preferences_keys.xml b/app/src/main/res/values/preferences_keys.xml
index 730fea591..0cfa485e3 100644
--- a/app/src/main/res/values/preferences_keys.xml
+++ b/app/src/main/res/values/preferences_keys.xml
@@ -7,12 +7,23 @@
     <string name="pref_key_expand_grade">expand_grade</string>
     <string name="pref_key_grade_average_mode">grade_average_mode</string>
     <string name="pref_key_grade_average_force_calc">grade_average_always_calc</string>
+    <string name="pref_key_grade_statistics_list">grade_statistics_list</string>
+    <string name="pref_key_app_language">app_language</string>
     <string name="pref_key_services_enable">services_enable</string>
     <string name="pref_key_services_interval">services_interval</string>
     <string name="pref_key_services_wifi_only">services_disable_wifi_only</string>
+    <string name="pref_key_services_force_sync">services_force_sync</string>
+    <string name="pref_key_notifications_fix_issues">notifications_fix_issues</string>
     <string name="pref_key_notifications_enable">notifications_enable</string>
+    <string name="pref_key_notifications_upcoming_lessons_enable">notifications_upcoming_lessons_enable</string>
     <string name="pref_key_notification_debug">notification_debug</string>
     <string name="pref_key_grade_modifier_plus">grade_modifier_plus</string>
     <string name="pref_key_grade_modifier_minus">grade_modifier_minus</string>
     <string name="pref_key_fill_message_content">fill_message_content</string>
+    <string name="pref_key_grade_sorting_mode">grade_sorting_mode</string>
+    <string name="pref_key_timetable_show_whole_class">show_whole_class_plan</string>
+    <string name="pref_key_timetable_show_groups">show_groups_in_plan</string>
+    <string name="pref_key_timetable_show_timers">timetable_show_timers</string>
+    <string name="pref_key_homework_fullscreen">homework_fullscreen</string>
+    <string name="pref_key_subjects_without_grades">subjects_without_grades</string>
 </resources>
diff --git a/app/src/main/res/values/value_prefernces.xml b/app/src/main/res/values/preferences_values.xml
similarity index 57%
rename from app/src/main/res/values/value_prefernces.xml
rename to app/src/main/res/values/preferences_values.xml
index 97396baad..44f54c170 100644
--- a/app/src/main/res/values/value_prefernces.xml
+++ b/app/src/main/res/values/preferences_values.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
     <string-array name="startup_tab_entries" translatable="false">
         <item>@string/grade_title</item>
         <item>@string/attendance_title</item>
@@ -13,17 +13,38 @@
         <item>3</item>
     </string-array>
 
-    <string-array name="app_theme_entries">
+    <string-array name="app_theme_entries" tools:ignore="InconsistentArrays">
         <item>Light</item>
         <item>Dark</item>
         <item>Black (AMOLED)</item>
     </string-array>
-    <string-array name="app_theme_values" translatable="false">
+    <string-array name="app_theme_values" translatable="false" tools:ignore="InconsistentArrays">
         <item>light</item>
         <item>dark</item>
         <item>black</item>
     </string-array>
 
+    <string-array name="app_language_entries">
+        <item>System language</item>
+        <item>Polski</item>
+        <item>English</item>
+        <item>Pусский</item>
+        <item>Українська</item>
+        <item>Deutsch</item>
+        <item>Čeština</item>
+        <item>Slovenčina</item>
+    </string-array>
+    <string-array name="app_language_values" translatable="false">
+        <item>system</item>
+        <item>pl</item>
+        <item>en</item>
+        <item>ru</item>
+        <item>uk</item>
+        <item>de</item>
+        <item>cs</item>
+        <item>sk</item>
+    </string-array>
+
     <string-array name="services_interval_entries">
         <item>15 minutes</item>
         <item>30 minutes</item>
@@ -44,7 +65,7 @@
     </string-array>
 
     <string-array name="grade_modifier_entries">
-        <item>Default</item>
+        <item>0,00</item>
         <item>0,25</item>
         <item>0,33</item>
         <item>0,5</item>
@@ -58,6 +79,15 @@
         <item>0.75</item>
     </string-array>
 
+    <string-array name="grade_sorting_mode_entries">
+        <item>Alphabetically</item>
+        <item>By date</item>
+    </string-array>
+    <string-array name="grade_sorting_mode_values" translatable="false">
+        <item>alphabetic</item>
+        <item>date</item>
+    </string-array>
+
     <string-array name="grade_color_scheme_entries">
         <item>Dzienniczek+</item>
         <item>Wulkanowy</item>
@@ -70,11 +100,24 @@
     </string-array>
 
     <string-array name="grade_average_mode_entries">
-        <item>Average grades from the 2nd semester</item>
+        <item>Average of grades only from the 2nd semester</item>
+        <item>Average of grades from both semesters</item>
         <item>Average of grades from the whole year</item>
     </string-array>
     <string-array name="grade_average_mode_values" translatable="false">
         <item>only_one_semester</item>
+        <item>both_semesters</item>
         <item>all_year</item>
     </string-array>
+
+    <string-array name="timetable_show_whole_class_entries">
+        <item>Don\'t show</item>
+        <item>Show all</item>
+        <item>Show smaller</item>
+    </string-array>
+    <string-array name="timetable_show_whole_class_values" translatable="false">
+        <item>no</item>
+        <item>yes</item>
+        <item>small</item>
+    </string-array>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8ebb4b84f..c4109d2b8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Wulkanowy</string>
-
-
     <!--Activity/Fragment title-->
     <string name="login_title">Login</string>
     <string name="main_title">Wulkanowy</string>
@@ -12,30 +10,70 @@
     <string name="settings_title">Settings</string>
     <string name="more_title">More</string>
     <string name="about_title">About</string>
+    <string name="logviewer_title">Log viewer</string>
+    <string name="contributors_title">Contributors</string>
     <string name="license_title">Licenses</string>
     <string name="message_title">Messages</string>
     <string name="send_message_title">New message</string>
     <string name="note_title">Notes and achievements</string>
     <string name="homework_title">Homework</string>
-    <string name="account_title">Choose account</string>
+    <string name="account_title">Accounts manager</string>
+    <string name="account_quick_title">Select account</string>
+    <string name="account_details_title">Account details</string>
+    <string name="student_info_title">Student info</string>
+
+
+    <!--Subtitles-->
+    <string name="grade_subtitle">Semester %1$d, %2$d/%3$d</string>
 
 
     <!--Login-->
     <string name="login_header_default">Sign in with the student or parent account</string>
-    <string name="login_header_symbol">Enter the symbol</string>
-    <string name="login_nickname_hint">Email or nick</string>
+    <string name="login_header_symbol">Enter the symbol from the register page</string>
+    <string name="login_nickname_hint">Username</string>
+    <string name="login_email_hint">Email</string>
+    <string name="login_login_pesel_email_hint">Login, PESEL or e-mail</string>
     <string name="login_password_hint">Password</string>
-    <string name="login_host_hint">Register</string>
+    <string name="login_host_hint">UONET+ register variant</string>
+    <string name="login_type_api">Mobile API</string>
+    <string name="login_type_scrapper">Scraper</string>
+    <string name="login_type_hybrid">Hybrid</string>
+    <string name="login_token_hint">Token</string>
+    <string name="login_pin_hint">PIN</string>
+    <string name="login_api_key_hint">API key</string>
     <string name="login_symbol_hint">Symbol</string>
     <string name="login_sign_in">Sign in</string>
-    <string name="login_invalid_password">This password is too short</string>
-    <string name="login_incorrect_password">Login details are incorrect</string>
-    <string name="login_incorrect_symbol">Student not found. Check the symbol</string>
+    <string name="login_invalid_password">Password too short</string>
+    <string name="login_incorrect_password">Login details are incorrect. Make sure the correct UONET+ register variation is selected in the field below</string>
+    <string name="login_invalid_pin">Invalid PIN</string>
+    <string name="login_invalid_token">Invalid token</string>
+    <string name="login_expired_token">Token expired</string>
+    <string name="login_invalid_email">Invalid email</string>
+    <string name="login_invalid_login">Use the assigned login instead of email</string>
+    <string name="login_invalid_custom_email">Use the assigned login or email in @%1$s</string>
+    <string name="login_invalid_symbol">Invalid symbol</string>
+    <string name="login_incorrect_symbol">Student not found. Validate the symbol and the chosen variation of the UONET+ register</string>
     <string name="login_field_required">This field is required</string>
-    <string name="login_duplicate_student">The selected student is already logged in</string>
-    <string name="login_symbol_helper">The symbol can be found on the register page in Uczeń -> Dostęp Mobilny -> Zarejestruj urządzenie mobilne</string>
+    <string name="login_duplicate_student">Selected student is already logged in</string>
+    <string name="login_symbol_helper">The symbol can be found on the register page in&#160;<b>Uczeń</b> →&#160;<b>Dostęp Mobilny</b> →&#160;<b>Zarejestruj urządzenie mobilne</b>.\n\nMake sure that you have set the appropriate register variant in the <b>UONET+ register variant</b> field on the previous screen. Wulkanowy does not detect pre-school students at the moment</string>
     <string name="login_select_student">Select students to log in to the application</string>
+    <string name="login_advanced">Other options</string>
+    <string name="login_advanced_warning_mobile_api">In this mode, a lucky number does not work, a class grade stats, summary of attendance, excuse for absence, completed lessons, school information and preview of the list of registered devices</string>
+    <string name="login_advanced_warning_scraper">This mode displays the same data as it appears on the register website</string>
+    <string name="login_advanced_warning_hybrid">The combination of the best features of the other two modes. It works faster than scraper and provides features not available in the Mobile API mode. It is in the experimental phase</string>
     <string name="login_privacy_policy">Privacy policy</string>
+    <string name="login_contact_header">Trouble signing in? Contact us!</string>
+    <string name="login_contact_email">Email</string>
+    <string name="login_contact_discord">Discord</string>
+    <string name="login_email_intent_title">Send email</string>
+    <string name="login_email_details">Describe details of problem:</string>
+    <string name="login_email_subject" translatable="false">Zgłoszenie: Problemy z logowaniem</string>
+    <string name="login_email_text" translatable="false">Informacje o aplikacji:\n\nUrządzenie: %1$s\nWersja SDK: %2$s\nWersja aplikacji: %3$s\nDodatkowe informacje: %4$s\nOstatni błąd: %5$s\n\nOpis problemu: </string>
+    <string name="login_recover_warning">Make sure you select the correct UONET+ register variation!</string>
+    <string name="login_recover_button">I forgot my password</string>
+    <string name="login_recover_title">Recover your account</string>
+    <string name="login_recover">Recover</string>
+    <string name="login_signed_in">Student is already signed in</string>
 
 
     <!--Main-->
@@ -51,10 +89,12 @@
     <string name="grade_switch_semester">Change semester</string>
     <string name="grade_no_items">No grades</string>
     <string name="grade_weight">Weight</string>
+    <string name="grade_weight_value">Weight: %s</string>
     <string name="grade_comment">Comment</string>
     <string name="grade_no_new_items">No new grades</string>
     <string name="grade_number_new_items">Number of new ratings: %1$d</string>
     <string name="grade_average">Average: %1$.2f</string>
+    <string name="grade_points_sum">Points: %s</string>
     <string name="grade_no_average">No average</string>
     <string name="grade_predicted">Predicted: %1$s</string>
     <string name="grade_final">Final: %1$s</string>
@@ -66,8 +106,13 @@
     <string name="grade_menu_summary">Summary</string>
     <string name="grade_menu_statistics">Class</string>
     <string name="grade_menu_read">Mark as read</string>
-    <string name="grade_statistics_partial">Partial grades</string>
-    <string name="grade_statistics_semester">Semester grades</string>
+    <string name="grade_statistics_partial">Partial</string>
+    <string name="grade_statistics_semester">Semester</string>
+    <string name="grade_statistics_points">Points</string>
+    <string name="grade_statistics_legend">Legend</string>
+    <string name="grade_statistics_average">Average: %1$s</string>
+    <string name="grade_statistics_average_class">Class</string>
+    <string name="grade_statistics_average_student">Student</string>
     <plurals name="grade_number_item">
         <item quantity="one">%d grade</item>
         <item quantity="other">%d grades</item>
@@ -76,10 +121,26 @@
         <item quantity="one">New grade</item>
         <item quantity="other">New grades</item>
     </plurals>
+    <plurals name="grade_new_items_predicted">
+        <item quantity="one">New predicted grade</item>
+        <item quantity="other">New predicted grades</item>
+    </plurals>
+    <plurals name="grade_new_items_final">
+        <item quantity="one">New final grade</item>
+        <item quantity="other">New final grades</item>
+    </plurals>
     <plurals name="grade_notify_new_items">
         <item quantity="one">You received %1$d grade</item>
         <item quantity="other">You received %1$d grades</item>
     </plurals>
+    <plurals name="grade_notify_new_items_predicted">
+        <item quantity="one">You received %1$d predicted grade</item>
+        <item quantity="other">You received %1$d predicted grades</item>
+    </plurals>
+    <plurals name="grade_notify_new_items_final">
+        <item quantity="one">You received %1$d final grade</item>
+        <item quantity="other">You received %1$d final grades</item>
+    </plurals>
 
 
     <!--Timetable-->
@@ -89,6 +150,14 @@
     <string name="timetable_time">Hours</string>
     <string name="timetable_changes">Changes</string>
     <string name="timetable_no_items">No lessons this day</string>
+    <string name="timetable_minutes">%s min</string>
+    <string name="timetable_seconds">%s sec</string>
+    <string name="timetable_time_left">%1$s left</string>
+    <string name="timetable_time_until">in %1$s</string>
+    <string name="timetable_finished">Finished</string>
+    <string name="timetable_now">Now: %s</string>
+    <string name="timetable_next">Next: %s</string>
+    <string name="timetable_later">Later: %s</string>
 
 
     <!--Completed lessons-->
@@ -100,6 +169,12 @@
     <string name="completed_lessons_resources">Resources</string>
 
 
+    <!--Additional lessons-->
+    <string name="additional_lessons_title">Additional lessons</string>
+    <string name="additional_lessons_button">Show additional lessons</string>
+    <string name="additional_lessons_no_items">No info about additional lessons</string>
+
+
     <!--Attendance-->
     <string name="attendance_summary_button">Attendance summary</string>
     <string name="attendance_absence_school">Absent for school reasons</string>
@@ -109,16 +184,24 @@
     <string name="attendance_excused_lateness">Excused lateness</string>
     <string name="attendance_unexcused_lateness">Unexcused lateness</string>
     <string name="attendance_present">Present</string>
+    <string name="attendance_deleted">Deleted</string>
+    <string name="attendance_unknown">Unknown</string>
     <string name="attendance_number">Number of lesson</string>
     <string name="attendance_no_items">No entries</string>
     <plurals name="attendance_number_absences">
         <item quantity="one">%1$d absence</item>
         <item quantity="other">%1$d absences</item>
     </plurals>
+    <string name="attendance_excuse_dialog_reason">Absence reason (optional)</string>
+    <string name="attendance_excuse_dialog_submit">Send</string>
+    <string name="attendance_excuse_success">Absence excuse request sent successfully!</string>
+    <string name="attendance_excuse_no_selection">You must select at least one absence!</string>
+    <string name="attendance_excuse_title">Excuse</string>
 
 
     <!--Attendance summary-->
     <string name="attendance_summary_final">Attendance</string>
+    <string name="attendance_summary_total">Total</string>
 
 
     <!--Exam-->
@@ -143,9 +226,12 @@
     <string name="message_move_to_bin">Move to trash</string>
     <string name="message_delete_forever">Delete permanently</string>
     <string name="message_delete_success">Message deleted successfully</string>
+    <string name="message_share">Share</string>
+    <string name="message_print">Print</string>
     <string name="message_subject">Subject</string>
     <string name="message_content">Content</string>
     <string name="message_send_successful">Message sent successfully</string>
+    <string name="message_not_exists">Message does not exist</string>
     <string name="message_required_recipients">You need to choose at least 1 recipient</string>
     <string name="message_content_min_length">The message content must be at least 3 characters</string>
     <plurals name="message_number_item">
@@ -164,6 +250,7 @@
 
     <!--Note-->
     <string name="note_no_items">No info about notes</string>
+    <string name="note_points">Points</string>
     <plurals name="note_number_item">
         <item quantity="one">%d note</item>
         <item quantity="other">%d notes</item>
@@ -177,9 +264,40 @@
         <item quantity="other">You received %1$d notes</item>
     </plurals>
 
+    <!--Praise-->
+    <plurals name="praise_number_item">
+        <item quantity="one">%d praise</item>
+        <item quantity="other">%d praises</item>
+    </plurals>
+    <plurals name="praise_new_items">
+        <item quantity="one">New praise</item>
+        <item quantity="other">New praises</item>
+    </plurals>
+    <plurals name="praise_notify_new_items">
+        <item quantity="one">You received %1$d praise</item>
+        <item quantity="other">You received %1$d praises</item>
+    </plurals>
+
+    <!--Neutral notes-->
+    <plurals name="neutral_note_number_item">
+        <item quantity="one">%d neutral note</item>
+        <item quantity="other">%d neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_new_items">
+        <item quantity="one">New neutral note</item>
+        <item quantity="other">New neutral notes</item>
+    </plurals>
+    <plurals name="neutral_note_notify_new_items">
+        <item quantity="one">You received %1$d neutral note</item>
+        <item quantity="other">You received %1$d neutral notes</item>
+    </plurals>
+
 
     <!--Homework-->
     <string name="homework_no_items">No info about homework</string>
+    <string name="homework_mark_as_done">Mark as done</string>
+    <string name="homework_mark_as_undone">Mark as undone</string>
+    <string name="homework_attachments">Attachments</string>
 
 
     <!--Lucky number-->
@@ -188,11 +306,16 @@
     <string name="lucky_number_empty">No info about the lucky number</string>
     <string name="lucky_number_notify_new_item_title">Lucky number for today</string>
     <string name="lucky_number_notify_new_item">Today\'s lucky number is: %d</string>
+    <string name="lucky_number_history_button">Show history</string>
+
+    <!--Lucky number history-->
+    <string name="lucky_number_history_title">Lucky number history</string>
+    <string name="lucky_number_history_empty">No info about lucky numbers</string>
 
     <!--Mobile devices-->
     <string name="mobile_devices_title">Mobile devices</string>
     <string name="mobile_devices_no_items">No devices</string>
-    <string name="mobile_devices_unregister">Unregister</string>
+    <string name="mobile_devices_unregister">Deregister</string>
     <string name="mobile_device_removed">Device removed</string>
     <string name="mobile_device_qr">QR code</string>
     <string name="mobile_device_token">Token</string>
@@ -200,33 +323,123 @@
     <string name="mobile_device_pin">PIN</string>
 
 
+    <!--School and teachers-->
+    <string name="schoolandteachers_title">School and teachers</string>
+
+
+    <!--School-->
+    <string name="school_title">School</string>
+    <string name="school_no_info">No info about school</string>
+    <string name="school_name">School name</string>
+    <string name="school_address">School address</string>
+    <string name="school_telephone">Telephone</string>
+    <string name="school_headmaster">Name of headmaster</string>
+    <string name="school_pedagogue">Name of pedagogue</string>
+    <string name="school_address_button">Show on map</string>
+    <string name="school_telephone_button">Call</string>
+
+
+    <!--Teacher-->
+    <string name="teachers_title">Teachers</string>
+    <string name="teacher_no_items">No info about teachers</string>
+    <string name="teacher_no_subject">No subject</string>
+
+
+    <!--Conference-->
+    <string name="conferences_title">Conferences</string>
+    <string name="conference_no_items">No info about conferences</string>
+
+
     <!--Account-->
     <string name="account_add_new">Add account</string>
     <string name="account_logout">Logout</string>
-    <string name="account_confirm">Do you want to log out of an active student?</string>
+    <string name="account_confirm">Do you want to log out this student?</string>
     <string name="account_logout_student">Student logout</string>
+    <string name="account_type_student">Student account</string>
+    <string name="account_type_parent">Parent account</string>
+    <string name="account_login_mobile_api">Mobile API mode</string>
+    <string name="account_login_hybrid">Hybrid mode</string>
+    <string name="account_details_edit">Edit data</string>
+    <string name="account_quick_manager">Accounts manager</string>
+    <string name="account_select_student">Select student</string>
+    <string name="account_family">Family</string>
+    <string name="account_contact">Contact</string>
+    <string name="account_address">Residence details</string>
+    <string name="account_personal_data">Personal information</string>
 
 
     <!--About-->
     <string name="about_version">App version</string>
+    <string name="about_contributor">Contributors</string>
+    <string name="about_contributor_summary">List of Wulkanowy developers</string>
     <string name="about_feedback">Report a bug</string>
     <string name="about_feedback_summary">Send a bug report via e-mail</string>
+    <string name="about_faq">FAQ</string>
+    <string name="about_faq_summary">Read Frequently Asked Questions</string>
     <string name="about_discord">Discord server</string>
-    <string name="about_discord_summary">Join the wulkanowy community</string>
+    <string name="about_discord_summary">Join the Wulkanowy community</string>
+    <string name="about_facebook">Facebook fanpage</string>
+    <string name="about_facebook_summary">Like our facebook fanpage</string>
     <string name="about_privacy">Privacy policy</string>
     <string name="about_privacy_summary">Rules for collecting personal data</string>
     <string name="about_homepage">Homepage</string>
     <string name="about_homepage_summary">Visit the website and help develop the application</string>
     <string name="about_licenses">Licenses</string>
     <string name="about_licenses_summary">Licenses of libraries used in the application</string>
+    <string name="about_feedback_template" translatable="false">Informacje o aplikacji:\n\nUrządzenie: %1$s\nWersja SDK: %2$s\nWersja aplikacji: %3$s\n\nTreść zgłoszenia:</string>
 
 
     <!--Licenses-->
     <string name="license_dialog_title">License</string>
 
 
+    <!--Contributor-->
+    <string name="contributor_avatar_description">Avatar</string>
+    <string name="contributor_see_more">See more on GitHub</string>
+
+
+    <!--Student info-->
+    <string name="student_info_empty">No info about student or student family</string>
+    <string name="student_info_first_name">Name</string>
+    <string name="student_info_second_name">Second name</string>
+    <string name="student_info_gender">Gender</string>
+    <string name="student_info_polish_citizenship">Polish citizenship</string>
+    <string name="student_info_family_name">Family name</string>
+    <string name="student_info_parents_name">Mother\'s and father\'s names</string>
+    <string name="student_info_phone">Phone</string>
+    <string name="student_info_cellphone">Cellphone</string>
+    <string name="student_info_email">E-mail</string>
+    <string name="student_info_address">Address of residence</string>
+    <string name="student_info_registered_address">Address of registration</string>
+    <string name="student_info_correspondence_address">Correspondence address</string>
+    <string name="student_info_full_name">Surname and first name</string>
+    <string name="student_info_kinship">Degree of kinship</string>
+    <string name="student_info_guardian_address">Address</string>
+    <string name="student_info_phones">Phones</string>
+    <string name="student_info_male">Male</string>
+    <string name="student_info_female">Female</string>
+    <string name="student_info_last_name">Last name</string>
+
+
+    <!--Account edit-->
+    <string name="account_edit_nick_hint">Nick</string>
+    <string name="account_edit_header">Add nick</string>
+    <string name="account_edit_avatar_title">Choose avatar color</string>
+
+
+    <!--Log viewer-->
+    <string name="logviewer_share">Share logs</string>
+    <string name="logviewer_refresh">Refresh</string>
+
+
+    <!--Error dialog-->
+    <string name="dialog_error_check_update">Check for updates</string>
+    <string name="dialog_error_check_update_message">Before reporting a bug, check first if an update with the bug fix is available</string>
+
+
     <!--Generic-->
     <string name="all_content">Content</string>
+    <string name="all_retry">Retry</string>
     <string name="all_description">Description</string>
     <string name="all_no_description">No description</string>
     <string name="all_teacher">Teacher</string>
@@ -240,43 +453,100 @@
     <string name="all_subject">Subject</string>
     <string name="all_prev">Prev</string>
     <string name="all_next">Next</string>
+    <string name="all_search">Search</string>
+    <string name="all_search_hint">Search…</string>
+    <string name="all_yes">Yes</string>
+    <string name="all_no">No</string>
+    <string name="all_save">Save</string>
 
 
     <!--Timetable Widget-->
     <string name="widget_timetable_no_items">No lessons</string>
+    <string name="widget_timetable_theme_title">Choose theme</string>
+    <string name="widget_timetable_theme_light">Light</string>
+    <string name="widget_timetable_theme_dark">Dark</string>
+    <string name="widget_timetable_theme_system">System Theme</string>
 
 
     <!--Preferences-->
-    <string name="pref_view_header">Appearance</string>
+    <string name="pref_view_header">App appearance &amp; behavior</string>
     <string name="pref_view_list">Default view</string>
     <string name="pref_view_grade_average_mode">Calculation of the end-of-year average</string>
     <string name="pref_view_grade_average_force_calc">Force average calculation by app</string>
-    <string name="pref_view_present">Show presence in attendance</string>
-    <string name="pref_view_app_theme">Application theme</string>
+    <string name="pref_view_present">Show presence</string>
+    <string name="pref_view_app_theme">Theme</string>
     <string name="pref_view_expand_grade">Expand grades</string>
+    <string name="pref_view_timetable_show_timers">Mark current lesson</string>
+    <string name="pref_view_timetable_show_groups">Show groups next to subjects</string>
+    <string name="pref_view_grade_statistics_list">Show chart list in class grades</string>
+    <string name="pref_view_timetable_show_whole_class">Show whole class lessons</string>
+    <string name="pref_view_subjects_without_grades">Show subjects without grades</string>
     <string name="pref_view_grade_color_scheme">Grades color scheme</string>
+    <string name="pref_view_grade_sorting_mode">Subjects sorting</string>
+    <string name="pref_view_app_language">Language</string>
 
     <string name="pref_notify_header">Notifications</string>
     <string name="pref_notify_switch">Show notifications</string>
+    <string name="pref_notify_upcoming_lessons_switch">Show upcoming lesson notifications</string>
+    <string name="pref_notify_fix_sync_issues">Fix synchronization &amp; notifications issues</string>
+    <string name="pref_notify_fix_sync_issues_message">Your device may have data synchronization issues and with notifications.\n\nTo fix them, you need to add Wulkanowy to the autostart and turn off battery optimization/saving in the phone settings.</string>
+    <string name="pref_notify_fix_sync_issues_settings_button">Go to settings</string>
     <string name="pref_notify_debug_switch">Show debug notifications</string>
+    <string name="pref_notify_disabled_summary">Synchronization is disabled</string>
 
     <string name="pref_services_header">Synchronization</string>
     <string name="pref_services_switch">Automatic update</string>
-    <string name="pref_services_suspended">Suspended on holiday</string>
+    <string name="pref_services_suspended">Suspended on holidays</string>
     <string name="pref_services_interval">Updates interval</string>
     <string name="pref_services_wifi">Wi-Fi only</string>
+    <string name="pref_services_force_sync">Sync now</string>
+    <string name="pref_services_message_sync_success">Synced!</string>
+    <string name="pref_services_message_sync_failed">Sync failed</string>
+    <string name="pref_services_sync_in_progress">Sync in progress</string>
 
-    <string name="pref_other_header">Other</string>
     <string name="pref_other_grade_modifier_plus">Value of the plus</string>
     <string name="pref_other_grade_modifier_minus">Value of the minus</string>
     <string name="pref_other_fill_message_content">Reply with message history</string>
 
+    <string name="pref_settings_advanced_title">Advanced</string>
+    <string name="pref_settings_appearance_title">Appearance &amp; Behavior</string>
+    <string name="pref_settings_notifications_title">Notifications</string>
+    <string name="pref_settings_sync_title">Synchronization</string>
+
+    <string name="pref_grades_appearance_header">Grades</string>
+    <string name="pref_attendance_appearance_view">Attendance</string>
+    <string name="pref_timetable_appearance_view">Timetable</string>
+    <string name="pref_grades_advanced_header">Grades</string>
+    <string name="pref_messages_advanced_header">Messages</string>
+
+    <string name="pref_appearance_category">Appearance &amp; Behavior</string>
+    <string name="pref_appearance_category_summary">Languages, themes, subjects sorting</string>
+    <string name="pref_notifications_category_summary">App notifications, fix problems</string>
+    <string name="pref_notifications_category">Notifications</string>
+    <string name="pref_sync_category">Synchronization</string>
+    <string name="pref_sync_category_summary">Automatic update, synchronization interval</string>
+    <string name="pref_advanced_category_summary">Plus and minus values, average calculation</string>
+    <string name="pref_advanced_category">Advanced</string>
+    <string name="pref_about_category_summary">App version, contributors, social portals, licenses</string>
+
 
     <!--Notification Channels-->
     <string name="channel_new_entries">New entries in register</string>
+    <string name="channel_new_grades">New grades</string>
+    <string name="channel_lucky_number">Lucky number</string>
+    <string name="channel_new_message">New messages</string>
+    <string name="channel_new_notes">New notes</string>
+    <string name="channel_push">Push notifications</string>
+    <string name="channel_upcoming_lessons">Upcoming lessons</string>
     <string name="channel_debug">Debug</string>
 
 
+    <!--Drop kitkat alert dialog strings-->
+    <string name="drop_kitkat_title">End of support</string>
+    <string name="drop_kitkat_content">We are ending support for your device. No more new features will appear for it in Wulkanowy. However, we will be releasing critical patches until the end of 2021 so you have time to switch to a newer model</string>
+    <string name="drop_kitkat_again">Don\'t show again</string>
+
+
     <!--Colors-->
     <string name="all_black">Black</string>
     <string name="all_red">Red</string>
@@ -291,11 +561,22 @@
     <string name="all_undo">Undo</string>
 
 
+    <!--Update helper-->
+    <string name="update_download_started">Download of updates has started…</string>
+    <string name="update_download_success">An update has just been downloaded.</string>
+    <string name="update_download_success_button">Restart</string>
+    <string name="update_failed">Update failed! Wulkanowy may not function properly. Consider updating</string>
+
+
     <!--Errors-->
     <string name="error_no_internet">No internet connection</string>
-    <string name="error_timeout">Too long waiting time for connection to the register</string>
-    <string name="error_login_failed">Login is failed. Try again or restart the app</string>
-    <string name="error_service_unavailable">The log is not available. Try again later</string>
+    <string name="error_timeout">Connection to register failed. Servers can be overloaded. Please try again later</string>
+    <string name="error_login_failed">Loading data failed. Please try again later</string>
+    <string name="error_password_change_required">Register password change required</string>
+    <string name="error_service_unavailable">Maintenance underway UONET + register. Try again later</string>
+    <string name="error_unknown_uonet">Unknown UONET + register error. Try again later</string>
+    <string name="error_unknown_app">Unknown application error. Please try again later</string>
     <string name="error_unknown">An unexpected error occurred</string>
     <string name="error_feature_disabled">Feature disabled by your school</string>
+    <string name="error_feature_not_available">Feature not available. Login in a mode other than Mobile API</string>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index c8b41a1a5..297a4f288 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,20 +1,25 @@
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
 
     <style name="WulkanowyTheme" parent="BaseWulkanowyTheme" />
 
     <style name="BaseWulkanowyTheme" parent="@style/Theme.MaterialComponents.Light">
+        <item name="android:forceDarkAllowed" tools:targetApi="Q">false</item>
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorSecondary">@color/colorPrimary</item>
         <item name="colorOnSecondary">@android:color/white</item>
+        <item name="colorTimetableChange">@color/timetable_change_dark</item>
         <item name="colorError">@color/colorError</item>
         <item name="colorDivider">@color/colorDivider</item>
+        <item name="colorSwipeRefresh">@color/colorSwipeRefresh</item>
         <item name="android:textColor">?android:textColorPrimary</item>
         <item name="android:preferenceStyle">@style/PreferenceThemeOverlay</item>
+        <item name="mdtp_theme_dark">false</item>
     </style>
 
     <style name="WulkanowyTheme.NoActionBar" parent="WulkanowyTheme">
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
+        <item name="windowActionModeOverlay">true</item>
     </style>
 
     <style name="WulkanowyTheme.SplashScreen" parent="WulkanowyTheme.NoActionBar">
@@ -23,8 +28,15 @@
 
     <style name="WulkanowyTheme.WidgetAccountSwitcher" parent="Theme.MaterialComponents.Light.Dialog">
         <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorSecondary">@color/colorPrimary</item>
         <item name="windowActionBar">false</item>
         <item name="windowNoTitle">true</item>
         <item name="android:textColor">?android:textColorPrimary</item>
     </style>
+
+    <style name="mdtp_ActionButton.Text" parent="Widget.MaterialComponents.Button.TextButton.Dialog" />
+
+    <style name="WulkanowyTheme.Login" parent="WulkanowyTheme.NoActionBar" />
+
+    <style name="WulkanowyTheme.MessageSend" parent="WulkanowyTheme.NoActionBar" />
 </resources>
diff --git a/app/src/main/res/xml/provider_paths.xml b/app/src/main/res/xml/provider_paths.xml
new file mode 100644
index 000000000..f0da4709a
--- /dev/null
+++ b/app/src/main/res/xml/provider_paths.xml
@@ -0,0 +1,5 @@
+<paths>
+    <files-path
+        name="files"
+        path="." />
+</paths>
diff --git a/app/src/main/res/xml/scheme_preferences.xml b/app/src/main/res/xml/scheme_preferences.xml
index d762066ac..086214923 100644
--- a/app/src/main/res/xml/scheme_preferences.xml
+++ b/app/src/main/res/xml/scheme_preferences.xml
@@ -1,118 +1,33 @@
-<?xml version="1.0" encoding="utf-8"?><!--suppress AndroidElementNotAllowed -->
+<?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
-    <PreferenceCategory
-        app:iconSpaceReserved="false"
-        app:title="@string/pref_view_header">
-        <ListPreference
-            app:defaultValue="0"
-            app:entries="@array/startup_tab_entries"
-            app:entryValues="@array/startup_tab_value"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_start_menu"
-            app:title="@string/pref_view_list"
-            app:useSimpleSummaryProvider="true" />
-        <ListPreference
-            app:defaultValue="light"
-            app:entries="@array/app_theme_entries"
-            app:entryValues="@array/app_theme_values"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_app_theme"
-            app:title="@string/pref_view_app_theme"
-            app:useSimpleSummaryProvider="true" />
-        <SwitchPreferenceCompat
-            app:defaultValue="true"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_attendance_present"
-            app:title="@string/pref_view_present" />
-        <SwitchPreferenceCompat
-            app:defaultValue="false"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_expand_grade"
-            app:title="@string/pref_view_expand_grade" />
-        <ListPreference
-            app:defaultValue="vulcan"
-            app:entries="@array/grade_color_scheme_entries"
-            app:entryValues="@array/grade_color_scheme_values"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_grade_color_scheme"
-            app:title="@string/pref_view_grade_color_scheme"
-            app:useSimpleSummaryProvider="true" />
-    </PreferenceCategory>
-    <PreferenceCategory
-        app:iconSpaceReserved="false"
-        app:title="@string/pref_services_header">
-        <SwitchPreferenceCompat
-            app:defaultValue="true"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_services_enable"
-            app:title="@string/pref_services_switch" />
-        <ListPreference
-            app:defaultValue="60"
-            app:dependency="services_enable"
-            app:entries="@array/services_interval_entries"
-            app:entryValues="@array/services_interval_value"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_services_interval"
-            app:title="@string/pref_services_interval"
-            app:useSimpleSummaryProvider="true" />
-        <SwitchPreferenceCompat
-            app:defaultValue="false"
-            app:dependency="services_enable"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_services_wifi_only"
-            app:title="@string/pref_services_wifi" />
-    </PreferenceCategory>
-    <PreferenceCategory
-        app:iconSpaceReserved="false"
-        app:title="@string/pref_notify_header">
-        <SwitchPreferenceCompat
-            app:defaultValue="true"
-            app:dependency="services_enable"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_notifications_enable"
-            app:title="@string/pref_notify_switch" />
-        <SwitchPreferenceCompat
-            app:defaultValue="false"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_notification_debug"
-            app:title="@string/pref_notify_debug_switch" />
-    </PreferenceCategory>
-    <PreferenceCategory
-        app:iconSpaceReserved="false"
-        app:title="@string/pref_other_header">
-        <ListPreference
-            app:defaultValue="0.0"
-            app:entries="@array/grade_modifier_entries"
-            app:entryValues="@array/grade_modifier_value"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_grade_modifier_plus"
-            app:title="@string/pref_other_grade_modifier_plus"
-            app:useSimpleSummaryProvider="true" />
-        <ListPreference
-            app:defaultValue="0.0"
-            app:entries="@array/grade_modifier_entries"
-            app:entryValues="@array/grade_modifier_value"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_grade_modifier_minus"
-            app:title="@string/pref_other_grade_modifier_minus"
-            app:useSimpleSummaryProvider="true" />
-        <ListPreference
-            app:defaultValue="only_one_semester"
-            app:entries="@array/grade_average_mode_entries"
-            app:entryValues="@array/grade_average_mode_values"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_grade_average_mode"
-            app:title="@string/pref_view_grade_average_mode"
-            app:useSimpleSummaryProvider="true" />
-        <SwitchPreferenceCompat
-            app:defaultValue="false"
-            app:key="@string/pref_key_grade_average_force_calc"
-            app:title="@string/pref_view_grade_average_force_calc"
-            app:iconSpaceReserved="false" />
-        <SwitchPreferenceCompat
-            app:defaultValue="true"
-            app:iconSpaceReserved="false"
-            app:key="@string/pref_key_fill_message_content"
-            app:title="@string/pref_other_fill_message_content" />
-    </PreferenceCategory>
+    <Preference
+        app:key="appearance"
+        app:icon="@drawable/ic_settings_appearance"
+        app:summary="@string/pref_appearance_category_summary"
+        app:title="@string/pref_appearance_category"
+        app:fragment="io.github.wulkanowy.ui.modules.settings.appearance.AppearanceFragment" />
+    <Preference
+        app:key="notifications"
+        app:icon="@drawable/ic_settings_notifications"
+        app:summary="@string/pref_notifications_category_summary"
+        app:title="@string/pref_notifications_category"
+        app:fragment="io.github.wulkanowy.ui.modules.settings.notifications.NotificationsFragment" />
+    <Preference
+        app:key="sync"
+        app:icon="@drawable/ic_settings_sync"
+        app:summary="@string/pref_sync_category_summary"
+        app:title="@string/pref_sync_category"
+        app:fragment="io.github.wulkanowy.ui.modules.settings.sync.SyncFragment" />
+    <Preference
+        app:key="advanced"
+        app:icon="@drawable/ic_settings_advanced"
+        app:summary="@string/pref_advanced_category_summary"
+        app:title="@string/pref_advanced_category"
+        app:fragment="io.github.wulkanowy.ui.modules.settings.advanced.AdvancedFragment" />
+    <Preference
+        app:key="about"
+        app:icon="@drawable/ic_all_about"
+        app:summary="@string/pref_about_category_summary"
+        app:title="@string/about_title"
+        app:fragment="io.github.wulkanowy.ui.modules.about.AboutFragment" />
 </PreferenceScreen>
diff --git a/app/src/main/res/xml/scheme_preferences_advanced.xml b/app/src/main/res/xml/scheme_preferences_advanced.xml
new file mode 100644
index 000000000..1d7e9b832
--- /dev/null
+++ b/app/src/main/res/xml/scheme_preferences_advanced.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_grades_advanced_header">
+        <ListPreference
+            app:defaultValue="@string/pref_default_grade_modifier_plus"
+            app:entries="@array/grade_modifier_entries"
+            app:entryValues="@array/grade_modifier_value"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_modifier_plus"
+            app:title="@string/pref_other_grade_modifier_plus"
+            app:useSimpleSummaryProvider="true" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_grade_modifier_minus"
+            app:entries="@array/grade_modifier_entries"
+            app:entryValues="@array/grade_modifier_value"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_modifier_minus"
+            app:title="@string/pref_other_grade_modifier_minus"
+            app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_grade_average_force_calc"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_average_force_calc"
+            app:singleLineTitle="false"
+            app:title="@string/pref_view_grade_average_force_calc" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_grade_average_mode"
+            app:entries="@array/grade_average_mode_entries"
+            app:entryValues="@array/grade_average_mode_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_average_mode"
+            app:title="@string/pref_view_grade_average_mode"
+            app:useSimpleSummaryProvider="true" />
+    </PreferenceCategory>
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_messages_advanced_header">
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_fill_message_content"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_fill_message_content"
+            app:singleLineTitle="false"
+            app:title="@string/pref_other_fill_message_content" />
+    </PreferenceCategory>
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/scheme_preferences_appearance.xml b/app/src/main/res/xml/scheme_preferences_appearance.xml
new file mode 100644
index 000000000..095c5070b
--- /dev/null
+++ b/app/src/main/res/xml/scheme_preferences_appearance.xml
@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_view_header">
+        <ListPreference
+            app:defaultValue="@string/pref_default_app_language"
+            app:entries="@array/app_language_entries"
+            app:entryValues="@array/app_language_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_app_language"
+            app:title="@string/pref_view_app_language"
+            app:useSimpleSummaryProvider="true" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_app_theme"
+            app:entries="@array/app_theme_entries"
+            app:entryValues="@array/app_theme_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_app_theme"
+            app:title="@string/pref_view_app_theme"
+            app:useSimpleSummaryProvider="true" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_startup"
+            app:entries="@array/startup_tab_entries"
+            app:entryValues="@array/startup_tab_value"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_start_menu"
+            app:title="@string/pref_view_list"
+            app:useSimpleSummaryProvider="true" />
+    </PreferenceCategory>
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_grades_appearance_header">
+        <ListPreference
+            app:defaultValue="@string/pref_default_grade_color_scheme"
+            app:entries="@array/grade_color_scheme_entries"
+            app:entryValues="@array/grade_color_scheme_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_color_scheme"
+            app:title="@string/pref_view_grade_color_scheme"
+            app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_expand_grade"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_expand_grade"
+            app:title="@string/pref_view_expand_grade" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_subjects_without_grades"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_subjects_without_grades"
+            app:singleLineTitle="false"
+            app:title="@string/pref_view_subjects_without_grades" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_grade_sorting_mode"
+            app:entries="@array/grade_sorting_mode_entries"
+            app:entryValues="@array/grade_sorting_mode_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_sorting_mode"
+            app:title="@string/pref_view_grade_sorting_mode"
+            app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_grade_statistics_list"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_grade_statistics_list"
+            app:singleLineTitle="false"
+            app:title="@string/pref_view_grade_statistics_list" />
+    </PreferenceCategory>
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_attendance_appearance_view">
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_attendance_present"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_attendance_present"
+            app:title="@string/pref_view_present" />
+    </PreferenceCategory>
+    <PreferenceCategory
+        android:layout_height="wrap_content"
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_timetable_appearance_view">
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_timetable_show_timers"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_timetable_show_timers"
+            app:title="@string/pref_view_timetable_show_timers" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_timetable_show_groups"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_timetable_show_groups"
+            app:singleLineTitle="false"
+            app:title="@string/pref_view_timetable_show_groups" />
+ <!--Hidden due to not functional hybrid/mobile api modes
+        <ListPreference
+            app:defaultValue="@string/pref_default_timetable_show_whole_class"
+            app:entries="@array/timetable_show_whole_class_entries"
+            app:entryValues="@array/timetable_show_whole_class_values"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_timetable_show_whole_class"
+            app:title="@string/pref_view_timetable_show_whole_class"
+            app:useSimpleSummaryProvider="true" />
+ -->
+    </PreferenceCategory>
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/scheme_preferences_notifications.xml b/app/src/main/res/xml/scheme_preferences_notifications.xml
new file mode 100644
index 000000000..3d435ca8f
--- /dev/null
+++ b/app/src/main/res/xml/scheme_preferences_notifications.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_notify_header">
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_notifications_enable"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_notifications_enable"
+            app:title="@string/pref_notify_switch" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_notification_upcoming_lessons_enable"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_notifications_upcoming_lessons_enable"
+            app:singleLineTitle="false"
+            app:title="@string/pref_notify_upcoming_lessons_switch" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_notification_debug"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_notification_debug"
+            app:singleLineTitle="false"
+            app:title="@string/pref_notify_debug_switch" />
+        <Preference
+            app:iconSpaceReserved="false"
+            app:isPreferenceVisible="false"
+            app:key="@string/pref_key_notifications_fix_issues"
+            app:title="@string/pref_notify_fix_sync_issues" />
+    </PreferenceCategory>
+</PreferenceScreen>
diff --git a/app/src/main/res/xml/scheme_preferences_sync.xml b/app/src/main/res/xml/scheme_preferences_sync.xml
new file mode 100644
index 000000000..b6c3c2a8b
--- /dev/null
+++ b/app/src/main/res/xml/scheme_preferences_sync.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+    <PreferenceCategory
+        app:iconSpaceReserved="false"
+        app:title="@string/pref_services_header">
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_services_enable"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_services_enable"
+            app:title="@string/pref_services_switch" />
+        <SwitchPreferenceCompat
+            app:defaultValue="@bool/pref_default_services_wifi_only"
+            app:dependency="services_enable"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_services_wifi_only"
+            app:title="@string/pref_services_wifi" />
+        <ListPreference
+            app:defaultValue="@string/pref_default_services_interval"
+            app:dependency="services_enable"
+            app:entries="@array/services_interval_entries"
+            app:entryValues="@array/services_interval_value"
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_services_interval"
+            app:title="@string/pref_services_interval"
+            app:useSimpleSummaryProvider="true" />
+        <Preference
+            app:iconSpaceReserved="false"
+            app:key="@string/pref_key_services_force_sync"
+            app:title="@string/pref_services_force_sync" />
+    </PreferenceCategory>
+</PreferenceScreen>
diff --git a/app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt b/app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
similarity index 57%
rename from app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
rename to app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
index 6810e66ac..b65325790 100644
--- a/app/src/play/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ b/app/src/play/java/io/github/wulkanowy/utils/AnalyticsHelper.kt
@@ -1,13 +1,17 @@
 package io.github.wulkanowy.utils
 
+import android.app.Activity
 import android.content.Context
 import android.os.Bundle
 import com.google.firebase.analytics.FirebaseAnalytics
+import dagger.hilt.android.qualifiers.ApplicationContext
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class FirebaseAnalyticsHelper @Inject constructor(private val context: Context) {
+class AnalyticsHelper @Inject constructor(
+    @ApplicationContext private val context: Context
+) {
 
     private val analytics by lazy { FirebaseAnalytics.getInstance(context) }
 
@@ -16,7 +20,7 @@ class FirebaseAnalyticsHelper @Inject constructor(private val context: Context)
             params.forEach {
                 if (it.second == null) return@forEach
                 when (it.second) {
-                    is String, is String? -> putString(it.first, it.second as String)
+                    is String, is String? -> putString(it.first, it.second.toString())
                     is Int, is Int? -> putInt(it.first, it.second as Int)
                     is Boolean, is Boolean? -> putBoolean(it.first, it.second as Boolean)
                 }
@@ -24,4 +28,15 @@ class FirebaseAnalyticsHelper @Inject constructor(private val context: Context)
             analytics.logEvent(name, this)
         }
     }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        analytics.logEvent(FirebaseAnalytics.Event.SCREEN_VIEW, Bundle().apply {
+            putString(FirebaseAnalytics.Param.SCREEN_NAME, name)
+            putString(FirebaseAnalytics.Param.SCREEN_CLASS, activity::class.simpleName)
+        })
+    }
+
+    @Suppress("UNUSED_PARAMETER")
+    fun popCurrentScreen(name: String?) {
+    }
 }
diff --git a/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt b/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
index 4f76ef837..b26f4f6ba 100644
--- a/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
+++ b/app/src/play/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
@@ -1,31 +1,48 @@
 package io.github.wulkanowy.utils
 
-import android.content.Context
-import com.crashlytics.android.Crashlytics
-import com.crashlytics.android.core.CrashlyticsCore
-import io.fabric.sdk.android.Fabric
-import timber.log.Timber
+import android.util.Log
+import com.google.firebase.crashlytics.FirebaseCrashlytics
+import fr.bipi.tressence.base.FormatterPriorityTree
+import fr.bipi.tressence.common.StackTraceRecorder
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import java.io.InterruptedIOException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
 
-fun initCrashlytics(context: Context, appInfo: AppInfo) {
-    Fabric.with(Fabric.Builder(context)
-        .kits(
-            Crashlytics.Builder()
-                .core(CrashlyticsCore.Builder()
-                    .disabled(!appInfo.isCrashlyticsEnabled)
-                    .build())
-                .build()
-        )
-        .debuggable(appInfo.isDebug)
-        .build())
-}
+class CrashLogTree : FormatterPriorityTree(Log.VERBOSE) {
 
-class CrashlyticsTree : Timber.Tree() {
+    private val crashlytics by lazy { FirebaseCrashlytics.getInstance() }
 
     override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
-        Crashlytics.setInt("priority", priority)
-        Crashlytics.setString("tag", tag)
+        if (skipLog(priority, tag, message, t)) return
 
-        if (t == null) Crashlytics.log(message)
-        else Crashlytics.logException(t)
+        crashlytics.log(format(priority, tag, message))
+    }
+}
+
+class CrashLogExceptionTree : FormatterPriorityTree(Log.ERROR) {
+
+    private val crashlytics by lazy { FirebaseCrashlytics.getInstance() }
+
+    override fun skipLog(priority: Int, tag: String?, message: String, t: Throwable?): Boolean {
+        if (t is FeatureDisabledException || t is FeatureNotAvailableException || t is UnknownHostException || t is SocketTimeoutException || t is InterruptedIOException) {
+            return true
+        }
+
+        return super.skipLog(priority, tag, message, t)
+    }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        crashlytics.setCustomKey("priority", priority)
+        crashlytics.setCustomKey("tag", tag.orEmpty())
+        crashlytics.setCustomKey("message", message)
+        if (t != null) {
+            crashlytics.recordException(t)
+        } else {
+            crashlytics.recordException(StackTraceRecorder(format(priority, tag, message)))
+        }
     }
 }
diff --git a/app/src/play/java/io/github/wulkanowy/utils/UpdateHelper.kt b/app/src/play/java/io/github/wulkanowy/utils/UpdateHelper.kt
new file mode 100644
index 000000000..6772237e2
--- /dev/null
+++ b/app/src/play/java/io/github/wulkanowy/utils/UpdateHelper.kt
@@ -0,0 +1,147 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.app.Activity.RESULT_OK
+import android.content.Context
+import android.content.IntentSender
+import android.view.View
+import android.widget.Toast
+import com.google.android.material.snackbar.Snackbar
+import com.google.android.play.core.appupdate.AppUpdateInfo
+import com.google.android.play.core.appupdate.AppUpdateManagerFactory
+import com.google.android.play.core.install.InstallStateUpdatedListener
+import com.google.android.play.core.install.model.AppUpdateType.FLEXIBLE
+import com.google.android.play.core.install.model.AppUpdateType.IMMEDIATE
+import com.google.android.play.core.install.model.InstallStatus.DOWNLOADED
+import com.google.android.play.core.install.model.InstallStatus.PENDING
+import com.google.android.play.core.install.model.UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS
+import com.google.android.play.core.install.model.UpdateAvailability.UPDATE_AVAILABLE
+import com.google.android.play.core.ktx.isFlexibleUpdateAllowed
+import com.google.android.play.core.ktx.isImmediateUpdateAllowed
+import com.google.android.play.core.ktx.updatePriority
+import dagger.hilt.android.qualifiers.ApplicationContext
+import io.github.wulkanowy.R
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class UpdateHelper @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val analyticsHelper: AnalyticsHelper,
+) {
+
+    lateinit var messageContainer: View
+
+    private val appUpdateManager by lazy { AppUpdateManagerFactory.create(context) }
+
+    private val flexibleUpdateListener = InstallStateUpdatedListener { state ->
+        when (state.installStatus()) {
+            PENDING -> Toast.makeText(context, R.string.update_download_started, Toast.LENGTH_SHORT)
+                .show()
+            DOWNLOADED -> popupSnackBarForCompleteUpdate()
+            else -> Timber.d("Update state: ${state.installStatus()}")
+        }
+    }
+
+    private inline val AppUpdateInfo.isImmediateUpdateAvailable: Boolean
+        get() {
+            val days = clientVersionStalenessDays() ?: 0
+            val isUpdatePriorityAllowUpdate = when (updatePriority) {
+                5 -> true
+                4 -> days > 7
+                3 -> days > 30
+                else -> false
+            }
+
+            return updateAvailability() == UPDATE_AVAILABLE && isImmediateUpdateAllowed && isUpdatePriorityAllowUpdate
+        }
+
+    private inline val AppUpdateInfo.isFlexibleUpdateAvailable: Boolean
+        get() {
+            val days = clientVersionStalenessDays() ?: 0
+            val isUpdatePriorityAllowUpdate = when (updatePriority) {
+                4, 3, 2 -> true
+                1 -> days >= 7
+                0 -> false
+                else -> false
+            }
+
+            return updateAvailability() == UPDATE_AVAILABLE && isFlexibleUpdateAllowed && isUpdatePriorityAllowUpdate
+        }
+
+    fun checkAndInstallUpdates(activity: Activity) {
+        Timber.d("Checking for updates...")
+        appUpdateManager.appUpdateInfo.addOnSuccessListener { appUpdateInfo ->
+            when {
+                appUpdateInfo.isImmediateUpdateAvailable -> {
+                    startUpdate(activity, appUpdateInfo, IMMEDIATE)
+                }
+                appUpdateInfo.isFlexibleUpdateAvailable -> {
+                    appUpdateManager.registerListener(flexibleUpdateListener)
+                    startUpdate(activity, appUpdateInfo, FLEXIBLE)
+                }
+                else -> Timber.d("No update available")
+            }
+        }
+    }
+
+    private fun startUpdate(activity: Activity, appUpdateInfo: AppUpdateInfo, updateType: Int) {
+        Timber.d("Start update ($updateType): $appUpdateInfo")
+        try {
+            appUpdateManager.startUpdateFlowForResult(
+                appUpdateInfo, updateType, activity, IN_APP_UPDATE_REQUEST_CODE
+            )
+        } catch (e: IntentSender.SendIntentException) {
+            Timber.i("Update failed! Duplicated PendingIntent")
+        }
+    }
+
+    fun onActivityResult(requestCode: Int, resultCode: Int) {
+        if (requestCode == IN_APP_UPDATE_REQUEST_CODE) {
+            if (resultCode != RESULT_OK) {
+                Timber.i("Update failed! Result code: $resultCode")
+                Toast.makeText(context, R.string.update_failed, Toast.LENGTH_LONG).show()
+            }
+
+            analyticsHelper.logEvent("inapp_update", "code" to resultCode)
+        }
+    }
+
+    fun onResume(activity: Activity) {
+        appUpdateManager.appUpdateInfo.addOnSuccessListener { info ->
+            Timber.d("InAppUpdate.onResume() listener: $info")
+
+            when {
+                DOWNLOADED == info.installStatus() -> popupSnackBarForCompleteUpdate()
+                DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS == info.updateAvailability() -> {
+                    startUpdate(
+                        activity = activity,
+                        appUpdateInfo = info,
+                        updateType = if (info.isImmediateUpdateAvailable) IMMEDIATE else FLEXIBLE
+                    )
+                }
+            }
+        }
+    }
+
+    private fun popupSnackBarForCompleteUpdate() {
+        Timber.d("Show snackbar with update complete")
+        Snackbar.make(
+            messageContainer,
+            R.string.update_download_success,
+            Snackbar.LENGTH_INDEFINITE
+        ).apply {
+            setAction(R.string.update_download_success_button) {
+                appUpdateManager.completeUpdate()
+                appUpdateManager.unregisterListener(flexibleUpdateListener)
+            }
+            show()
+        }
+    }
+
+    private companion object {
+
+        private const val IN_APP_UPDATE_REQUEST_CODE = 1721
+    }
+}
diff --git a/app/src/release/agconnect-services.json.gpg b/app/src/release/agconnect-services.json.gpg
new file mode 100644
index 000000000..484d8bc72
Binary files /dev/null and b/app/src/release/agconnect-services.json.gpg differ
diff --git a/app/src/test/java/io/github/wulkanowy/MainCoroutineRule.kt b/app/src/test/java/io/github/wulkanowy/MainCoroutineRule.kt
new file mode 100644
index 000000000..10724868a
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/MainCoroutineRule.kt
@@ -0,0 +1,26 @@
+package io.github.wulkanowy
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.TestCoroutineDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.setMain
+import org.junit.rules.TestWatcher
+import org.junit.runner.Description
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class MainCoroutineRule(
+    private val testDispatcher: TestCoroutineDispatcher = TestCoroutineDispatcher()
+) : TestWatcher() {
+
+    override fun starting(description: Description?) {
+        super.starting(description)
+        Dispatchers.setMain(testDispatcher)
+    }
+
+    override fun finished(description: Description?) {
+        super.finished(description)
+        Dispatchers.resetMain()
+        testDispatcher.cleanupTestCoroutines()
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/TestDispatchersProvider.kt b/app/src/test/java/io/github/wulkanowy/TestDispatchersProvider.kt
new file mode 100644
index 000000000..e60b1d7a2
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/TestDispatchersProvider.kt
@@ -0,0 +1,11 @@
+package io.github.wulkanowy
+
+import io.github.wulkanowy.utils.DispatchersProvider
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+
+class TestDispatchersProvider : DispatchersProvider() {
+
+    override val backgroundThread: CoroutineDispatcher
+        get() = Dispatchers.Unconfined
+}
diff --git a/app/src/test/java/io/github/wulkanowy/TestEnityCreator.kt b/app/src/test/java/io/github/wulkanowy/TestEnityCreator.kt
new file mode 100644
index 000000000..a0fa209fd
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/TestEnityCreator.kt
@@ -0,0 +1,59 @@
+package io.github.wulkanowy
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
+import java.time.LocalDate
+import java.time.LocalDateTime.now
+import io.github.wulkanowy.sdk.pojo.Semester as SdkSemester
+
+fun getSemesterEntity(diaryId: Int = 1, semesterId: Int = 1, start: LocalDate = LocalDate.now(), end: LocalDate = LocalDate.now(), semesterName: Int = 1) = Semester(
+    studentId = 1,
+    diaryId = diaryId,
+    semesterId = semesterId,
+    diaryName = "$semesterId",
+    schoolYear = 1970,
+    classId = 0,
+    semesterName = semesterName,
+    unitId = 1,
+    start = start,
+    end = end
+)
+
+fun getSemesterPojo(diaryId: Int, semesterId: Int, start: LocalDate, end: LocalDate, semesterName: Int = 1) = SdkSemester(
+    diaryId = diaryId,
+    semesterId = semesterId,
+    diaryName = "$semesterId",
+    schoolYear = 1970,
+    classId = 0,
+    semesterNumber = semesterName,
+    unitId = 1,
+    start = start,
+    end = end,
+)
+
+fun getStudentEntity(mode: Sdk.Mode = Sdk.Mode.API) = Student(
+    scrapperBaseUrl = "http://fakelog.cf",
+    email = "jan@fakelog.cf",
+    certificateKey = "",
+    classId = 0,
+    className = "",
+    isCurrent = false,
+    isParent = false,
+    loginMode = mode.name,
+    loginType = "STANDARD",
+    mobileBaseUrl = "",
+    password = "",
+    privateKey = "",
+    registrationDate = now(),
+    schoolName = "",
+    schoolShortName = "test",
+    schoolSymbol = "",
+    studentId = 1,
+    studentName = "",
+    symbol = "",
+    userLoginId = 1,
+    userName = "",
+).apply {
+    id = 1
+}
diff --git a/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt b/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt
deleted file mode 100644
index 8c52d7b37..000000000
--- a/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt
+++ /dev/null
@@ -1,15 +0,0 @@
-package io.github.wulkanowy
-
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Scheduler
-import io.reactivex.schedulers.Schedulers
-
-class TestSchedulersProvider : SchedulersProvider() {
-
-    override val backgroundThread: Scheduler
-        get() = Schedulers.trampoline()
-
-    override val mainThread: Scheduler
-        get() = Schedulers.trampoline()
-}
-
diff --git a/app/src/test/java/io/github/wulkanowy/data/db/ConvertersTest.kt b/app/src/test/java/io/github/wulkanowy/data/db/ConvertersTest.kt
new file mode 100644
index 000000000..3b0d7c841
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/db/ConvertersTest.kt
@@ -0,0 +1,30 @@
+package io.github.wulkanowy.data.db
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class ConvertersTest {
+
+    @Test
+    fun stringPairListToJson() {
+        assertEquals(Converters().stringPairListToJson(listOf("aaa" to "bbb", "ccc" to "ddd", "eee" to "fff")), "[{\"first\":\"aaa\",\"second\":\"bbb\"},{\"first\":\"ccc\",\"second\":\"ddd\"},{\"first\":\"eee\",\"second\":\"fff\"}]")
+        assertEquals(Converters().stringPairListToJson(listOf("aaa" to "bbb", "ccc" to "ddd")), "[{\"first\":\"aaa\",\"second\":\"bbb\"},{\"first\":\"ccc\",\"second\":\"ddd\"}]")
+        assertEquals(Converters().stringPairListToJson(listOf("aaa" to "bbb")), "[{\"first\":\"aaa\",\"second\":\"bbb\"}]")
+        assertEquals(Converters().stringPairListToJson(listOf()), "[]")
+    }
+
+    @Test
+    fun jsonToStringPairList() {
+        assertEquals(Converters().jsonToStringPairList("[{\"first\":\"aaa\",\"second\":\"bbb\"},{\"first\":\"ccc\",\"second\":\"ddd\"},{\"first\":\"eee\",\"second\":\"fff\"}]"), listOf("aaa" to "bbb", "ccc" to "ddd", "eee" to "fff"))
+        assertEquals(Converters().jsonToStringPairList("[{\"first\":\"aaa\",\"second\":\"bbb\"},{\"first\":\"ccc\",\"second\":\"ddd\"}]"), listOf("aaa" to "bbb", "ccc" to "ddd"))
+        assertEquals(Converters().jsonToStringPairList("[{\"first\":\"aaa\",\"second\":\"bbb\"}]"), listOf("aaa" to "bbb"))
+        assertEquals(Converters().jsonToStringPairList("[]"), listOf<Pair<String, String>>())
+    }
+
+    @Test
+    fun jsonToStringPairList_0210() {
+        assertEquals(Converters().jsonToStringPairList("{\"aaa\":\"bbb\",\"ccc\":\"ddd\"}"), listOf("aaa" to "bbb", "ccc" to "ddd"))
+        assertEquals(Converters().jsonToStringPairList("{\"aaa\":\"bbb\"}"), listOf("aaa" to "bbb"))
+        assertEquals(Converters().jsonToStringPairList("{}"), listOf<Pair<String, String>>())
+    }
+}
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt b/app/src/test/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
similarity index 59%
rename from app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
rename to app/src/test/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
index f720663b0..f9fc76311 100644
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
@@ -1,11 +1,15 @@
 package io.github.wulkanowy.data.db.migrations
 
+import android.content.Context
+import androidx.preference.PreferenceManager
 import androidx.room.Room
 import androidx.room.testing.MigrationTestHelper
 import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.platform.app.InstrumentationRegistry
 import io.github.wulkanowy.data.db.AppDatabase
+import io.github.wulkanowy.data.db.SharedPrefProvider
+import io.github.wulkanowy.utils.AppInfo
 import org.junit.Rule
 
 abstract class AbstractMigrationTest {
@@ -20,15 +24,17 @@ abstract class AbstractMigrationTest {
     )
 
     fun getMigratedRoomDatabase(): AppDatabase {
-        val database = Room.databaseBuilder(ApplicationProvider.getApplicationContext(),
-            AppDatabase::class.java, dbName)
-            .addMigrations(
-                Migration12(),
-                Migration13(),
-                Migration14(),
-                Migration15()
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val database = Room.databaseBuilder(
+            ApplicationProvider.getApplicationContext(),
+            AppDatabase::class.java,
+            dbName
+        ).addMigrations(
+            *AppDatabase.getMigrations(
+                SharedPrefProvider(PreferenceManager.getDefaultSharedPreferences(context)),
+                AppInfo()
             )
-            .build()
+        ).build()
         // close the database and release any stream resources when the test finishes
         helper.closeWhenFinished(database)
         return database
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
similarity index 86%
rename from app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
rename to app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
index 0bbcc4271..a02904733 100644
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
+++ b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
@@ -2,13 +2,20 @@ package io.github.wulkanowy.data.db.migrations
 
 import android.content.ContentValues
 import android.database.sqlite.SQLiteDatabase.CONFLICT_FAIL
+import android.os.Build
 import androidx.sqlite.db.SupportSQLiteDatabase
-import androidx.test.ext.junit.runners.AndroidJUnit4
+import dagger.hilt.android.testing.HiltAndroidTest
+import dagger.hilt.android.testing.HiltTestApplication
+import kotlinx.coroutines.runBlocking
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
 import kotlin.test.assertEquals
 
-@RunWith(AndroidJUnit4::class)
+@HiltAndroidTest
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [Build.VERSION_CODES.O_MR1], application = HiltTestApplication::class)
 class Migration12Test : AbstractMigrationTest() {
 
     @Test
@@ -29,7 +36,7 @@ class Migration12Test : AbstractMigrationTest() {
         helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
 
         val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
+        val students = runBlocking { db.studentDao.loadAll() }
 
         assertEquals(2, students.size)
 
@@ -58,7 +65,7 @@ class Migration12Test : AbstractMigrationTest() {
         helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
 
         val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
+        val students = runBlocking { db.studentDao.loadAll() }
 
         assertEquals(1, students.size)
 
@@ -84,7 +91,7 @@ class Migration12Test : AbstractMigrationTest() {
         helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
 
         val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
+        val students = runBlocking { db.studentDao.loadAll() }
 
         assertEquals(3, students.size)
 
diff --git a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
similarity index 59%
rename from app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
rename to app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
index eb9d02a59..2350da459 100644
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
+++ b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
@@ -2,13 +2,26 @@ package io.github.wulkanowy.data.db.migrations
 
 import android.content.ContentValues
 import android.database.sqlite.SQLiteDatabase
+import android.os.Build
 import androidx.sqlite.db.SupportSQLiteDatabase
+import dagger.hilt.android.testing.HiltAndroidTest
+import dagger.hilt.android.testing.HiltTestApplication
+import io.github.wulkanowy.data.db.Converters
+import io.github.wulkanowy.data.db.entities.Semester
+import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
-import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
 import org.junit.Test
-import org.threeten.bp.LocalDate.of
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import java.time.LocalDate.of
+import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
+@HiltAndroidTest
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [Build.VERSION_CODES.O_MR1], application = HiltTestApplication::class)
 class Migration13Test : AbstractMigrationTest() {
 
     @Test
@@ -23,7 +36,7 @@ class Migration13Test : AbstractMigrationTest() {
         helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
 
         val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
+        val students = runBlocking { db.studentDao.loadAll() }
 
         assertEquals(3, students.size)
 
@@ -57,7 +70,7 @@ class Migration13Test : AbstractMigrationTest() {
         helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
 
         val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
+        val students = runBlocking { db.studentDao.loadAll() }
 
         assertEquals(2, students.size)
 
@@ -97,48 +110,69 @@ class Migration13Test : AbstractMigrationTest() {
             close()
         }
 
-        helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
+        val db = helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
 
-        val db = getMigratedRoomDatabase()
-
-        val semesters1 = db.semesterDao.loadAll(1, 5).blockingGet()
-        assertTrue { semesters1.single { it.isCurrent }.isCurrent }
+        val semesters1 = getSemesters(db, "SELECT * FROM Semesters WHERE student_id = 1 AND class_id = 5")
+        assertTrue { semesters1.single { it.second }.second }
         semesters1[0].run {
-            assertFalse(isCurrent)
-            assertEquals(1, semesterId)
-            assertEquals(1, diaryId)
+            assertFalse(second)
+            assertEquals(1, first.semesterId)
+            assertEquals(1, first.diaryId)
         }
         semesters1[2].run {
-            assertFalse(isCurrent)
-            assertEquals(3, semesterId)
-            assertEquals(2, diaryId)
+            assertFalse(second)
+            assertEquals(3, first.semesterId)
+            assertEquals(2, first.diaryId)
         }
         semesters1[3].run {
-            assertTrue(isCurrent)
-            assertEquals(4, semesterId)
-            assertEquals(2, diaryId)
+            assertTrue(second)
+            assertEquals(4, first.semesterId)
+            assertEquals(2, first.diaryId)
         }
 
-        db.semesterDao.loadAll(2, 5).blockingGet().let {
-            assertTrue { it.single { it.isCurrent }.isCurrent }
-            assertEquals(1970, it[0].schoolYear)
-            assertEquals(of(1970, 1, 1), it[0].end)
-            assertEquals(of(1970, 1, 1), it[0].start)
-            assertFalse(it[0].isCurrent)
-            assertFalse(it[1].isCurrent)
-            assertFalse(it[2].isCurrent)
-            assertTrue(it[3].isCurrent)
+        getSemesters(db, "SELECT * FROM Semesters WHERE student_id = 2 AND class_id = 5").let { semesters ->
+            assertTrue { semesters.single { it.second }.second }
+            assertEquals(1970, semesters[0].first.schoolYear)
+            assertEquals(of(1970, 1, 1), semesters[0].first.end)
+            assertEquals(of(1970, 1, 1), semesters[0].first.start)
+            assertFalse(semesters[0].second)
+            assertFalse(semesters[1].second)
+            assertFalse(semesters[2].second)
+            assertTrue(semesters[3].second)
         }
 
-        db.semesterDao.loadAll(2, 5).blockingGet().let {
-            assertTrue { it.single { it.isCurrent }.isCurrent }
-            assertFalse(it[0].isCurrent)
-            assertFalse(it[1].isCurrent)
-            assertFalse(it[2].isCurrent)
-            assertTrue(it[3].isCurrent)
+        getSemesters(db, "SELECT * FROM Semesters WHERE student_id = 2 AND class_id = 5").let { semesters ->
+            assertTrue { semesters.single { it.second }.second }
+            assertFalse(semesters[0].second)
+            assertFalse(semesters[1].second)
+            assertFalse(semesters[2].second)
+            assertTrue(semesters[3].second)
         }
     }
 
+    private fun getSemesters(db: SupportSQLiteDatabase, query: String): List<Pair<Semester, Boolean>> {
+        val semesters = mutableListOf<Pair<Semester, Boolean>>()
+
+        val cursor = db.query(query)
+        if (cursor.moveToFirst()) {
+            do {
+                semesters.add(Semester(
+                    studentId = cursor.getInt(1),
+                    diaryId = cursor.getInt(2),
+                    diaryName = cursor.getString(3),
+                    semesterId = cursor.getInt(4),
+                    semesterName = cursor.getInt(5),
+                    classId = cursor.getInt(7),
+                    unitId = cursor.getInt(8),
+                    schoolYear = cursor.getInt(9),
+                    start = Converters().timestampToDate(cursor.getLong(10))!!,
+                    end = Converters().timestampToDate(cursor.getLong(11))!!
+                ) to (cursor.getInt(6) == 1))
+            } while (cursor.moveToNext())
+        }
+        return semesters.toList()
+    }
+
     private fun createStudent(db: SupportSQLiteDatabase, studentId: Int, schoolName: String = "", classId: Int = -1, schoolId: Int = 123) {
         db.insert("Students", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
             put("endpoint", "https://fakelog.cf")
diff --git a/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration27Test.kt b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration27Test.kt
new file mode 100644
index 000000000..8e744f27a
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration27Test.kt
@@ -0,0 +1,133 @@
+package io.github.wulkanowy.data.db.migrations
+
+import android.content.ContentValues
+import android.database.sqlite.SQLiteDatabase
+import android.os.Build
+import androidx.sqlite.db.SupportSQLiteDatabase
+import dagger.hilt.android.testing.HiltAndroidTest
+import dagger.hilt.android.testing.HiltTestApplication
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import kotlin.random.Random
+
+@HiltAndroidTest
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [Build.VERSION_CODES.O_MR1], application = HiltTestApplication::class)
+class Migration27Test : AbstractMigrationTest() {
+
+    @Test
+    fun userWithoutCorrespondingUnit() {
+        with(helper.createDatabase(dbName, 26)) {
+            createStudent(this, 321, 123, "Jan Student")
+            createUnit(this, 9999, "Unit Jan")
+            close()
+        }
+
+        helper.runMigrationsAndValidate(dbName, 27, true, Migration27())
+
+        val db = getMigratedRoomDatabase()
+        val students = runBlocking { db.studentDao.loadAll() }
+
+        assertEquals(1, students.size)
+
+        with(students[0]) {
+            assertEquals(321, id)
+            assertEquals(123, userLoginId)
+            assertEquals("Student Jan", userName)
+        }
+    }
+
+    @Test
+    fun userWithCorrespondingUnit() {
+        with(helper.createDatabase(dbName, 26)) {
+            createStudent(this, 1, 2, "Jan Kowalski Student")
+            createUnit(this, 2, "Unit Jan")
+            close()
+        }
+
+        helper.runMigrationsAndValidate(dbName, 27, true, Migration27())
+
+        val db = getMigratedRoomDatabase()
+        val students = runBlocking { db.studentDao.loadAll() }
+
+        assertEquals(1, students.size)
+
+        with(students[0]) {
+            assertEquals(1, id)
+            assertEquals(2, userLoginId)
+            assertEquals("Unit Jan", userName)
+        }
+    }
+
+    @Test
+    fun studentAccountAndParentAccountWithCorrespondingUnits() {
+        with(helper.createDatabase(dbName, 26)) {
+            createStudent(this, 1, 222, "Jan Student")
+            createStudent(this, 2, 333, "Jan Parent")
+            createUnit(this, 222, "Unit Jan")
+            createUnit(this, 333, "Unit Tomasz")
+            close()
+        }
+
+        helper.runMigrationsAndValidate(dbName, 27, true, Migration27())
+
+        val db = getMigratedRoomDatabase()
+        val students = runBlocking { db.studentDao.loadAll() }
+
+        assertEquals(2, students.size)
+
+        with(students[0]) {
+            assertEquals(1, id)
+            assertEquals(222, userLoginId)
+            assertEquals("Unit Jan", userName)
+        }
+        with(students[1]) {
+            assertEquals(2, id)
+            assertEquals(333, userLoginId)
+            assertEquals("Unit Tomasz", userName)
+        }
+    }
+
+    private fun createStudent(db: SupportSQLiteDatabase, id: Long, userLoginId: Int, studentName: String) {
+        db.insert("Students", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
+            put("id", id)
+            put("scrapper_base_url", "https://fakelog.cf")
+            put("mobile_base_url", "")
+            put("login_mode", "SCRAPPER")
+            put("login_type", "STANDARD")
+            put("certificate_key", "")
+            put("private_key", "")
+            put("is_parent", false)
+            put("email", "jan@fakelog.cf")
+            put("password", "******")
+            put("symbol", "Default")
+            put("school_short", "")
+            put("class_name", "")
+            put("student_id", Random.nextInt())
+            put("class_id", Random.nextInt())
+            put("school_id", "123")
+            put("school_name", "Wulkan first class school")
+            put("is_current", false)
+            put("registration_date", "0")
+
+            put("user_login_id", userLoginId)
+            put("student_name", studentName)
+        })
+    }
+
+    private fun createUnit(db: SupportSQLiteDatabase, senderId: Int, senderName: String) {
+        db.insert("ReportingUnits", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
+            put("student_id", Random.nextInt())
+            put("real_id", Random.nextInt())
+            put("short", "SHORT")
+            put("roles", "[0]")
+
+            put("sender_id", senderId)
+            put("sender_name", senderName)
+        })
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration35Test.kt b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration35Test.kt
new file mode 100644
index 000000000..883cdb81c
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/db/migrations/Migration35Test.kt
@@ -0,0 +1,70 @@
+package io.github.wulkanowy.data.db.migrations
+
+import android.content.ContentValues
+import android.database.sqlite.SQLiteDatabase
+import android.os.Build
+import androidx.sqlite.db.SupportSQLiteDatabase
+import dagger.hilt.android.testing.HiltAndroidTest
+import dagger.hilt.android.testing.HiltTestApplication
+import io.github.wulkanowy.utils.AppInfo
+import kotlinx.coroutines.runBlocking
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import kotlin.random.Random
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+@HiltAndroidTest
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [Build.VERSION_CODES.O_MR1], application = HiltTestApplication::class)
+class Migration35Test : AbstractMigrationTest() {
+
+    @Test
+    fun addRandomAvatarColorsForStudents() {
+        with(helper.createDatabase(dbName, 34)) {
+            createStudent(this, 1)
+            createStudent(this, 2)
+            close()
+        }
+
+        helper.runMigrationsAndValidate(dbName, 35, true, Migration35(AppInfo()))
+
+        val db = getMigratedRoomDatabase()
+        val students = runBlocking { db.studentDao.loadAll() }
+
+        assertEquals(2, students.size)
+
+        assertTrue { students[0].avatarColor in AppInfo().defaultColorsForAvatar }
+        assertTrue { students[1].avatarColor in AppInfo().defaultColorsForAvatar }
+    }
+
+    private fun createStudent(db: SupportSQLiteDatabase, id: Long) {
+        db.insert("Students", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
+            put("id", id)
+            put("scrapper_base_url", "https://fakelog.cf")
+            put("mobile_base_url", "")
+            put("login_mode", "SCRAPPER")
+            put("login_type", "STANDARD")
+            put("certificate_key", "")
+            put("private_key", "")
+            put("is_parent", false)
+            put("email", "jan@fakelog.cf")
+            put("password", "******")
+            put("symbol", "Default")
+            put("school_short", "")
+            put("class_name", "")
+            put("student_id", Random.nextInt())
+            put("class_id", Random.nextInt())
+            put("school_id", "123")
+            put("school_name", "Wulkan first class school")
+            put("is_current", false)
+            put("registration_date", "0")
+            put("user_login_id", Random.nextInt())
+            put("student_name", "")
+            put("user_name", "")
+            put("nick", "")
+        })
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/AttendanceRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/AttendanceRepositoryTest.kt
new file mode 100644
index 000000000..1c592c09f
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/AttendanceRepositoryTest.kt
@@ -0,0 +1,156 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.AttendanceDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import java.time.LocalDate.of
+import io.github.wulkanowy.sdk.pojo.Attendance as SdkAttendance
+
+class AttendanceRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var attendanceDb: AttendanceDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var attendanceRepository: AttendanceRepository
+
+    private val remoteList = listOf(
+        getAttendanceRemote(of(2021, 1, 4)),
+        getAttendanceRemote(of(2021, 1, 7))
+    )
+
+    private val startDate = of(2021, 1, 4)
+
+    private val endDate = of(2021, 1, 10)
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        attendanceRepository = AttendanceRepository(attendanceDb, sdk, refreshHelper)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getAttendance(startDate, endDate, 1) } returns remoteList
+        coEvery { attendanceDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { attendanceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { attendanceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { attendanceRepository.getAttendance(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getAttendance(startDate, endDate, 1) }
+        coVerify { attendanceDb.loadAll(1, 1, startDate, endDate) }
+        coVerify { attendanceDb.insertAll(match { it.isEmpty() }) }
+        coVerify { attendanceDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in remote`() {
+        // prepare
+        coEvery { sdk.getAttendance(startDate, endDate, 1) } returns remoteList
+        coEvery { attendanceDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)),
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { attendanceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { attendanceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { attendanceRepository.getAttendance(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getAttendance(startDate, endDate, 1) }
+        coVerify { attendanceDb.loadAll(1, 1, startDate, endDate) }
+        coVerify {
+            attendanceDb.insertAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+        coVerify { attendanceDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in local`() {
+        // prepare
+        coEvery { sdk.getAttendance(startDate, endDate, 1) } returns remoteList.dropLast(1)
+        coEvery { attendanceDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.dropLast(1).mapToEntities(semester))
+        )
+        coEvery { attendanceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { attendanceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { attendanceRepository.getAttendance(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(1, res.data?.size)
+        coVerify { sdk.getAttendance(startDate, endDate, 1) }
+        coVerify { attendanceDb.loadAll(1, 1, startDate, endDate) }
+        coVerify { attendanceDb.insertAll(match { it.isEmpty() }) }
+        coVerify {
+            attendanceDb.deleteAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+    }
+
+    private fun getAttendanceRemote(date: LocalDate) = SdkAttendance(
+        subject = "Fizyka",
+        name = "Obecność",
+        date = date,
+        timeId = 0,
+        number = 0,
+        deleted = false,
+        excusable = false,
+        excused = false,
+        exemption = false,
+        lateness = false,
+        presence = false,
+        categoryId = 1,
+        absence = false,
+        excuseStatus = null
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepositoryTest.kt
new file mode 100644
index 000000000..b116a623d
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/CompletedLessonsRepositoryTest.kt
@@ -0,0 +1,151 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import java.time.LocalDate.of
+import io.github.wulkanowy.sdk.pojo.CompletedLesson as SdkCompletedLesson
+
+class CompletedLessonsRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var completedLessonDb: CompletedLessonsDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var completedLessonRepository: CompletedLessonsRepository
+
+    private val remoteList = listOf(
+        getCompletedLesson(of(2021, 1, 4)),
+        getCompletedLesson(of(2021, 1, 7))
+    )
+
+    private val startDate = of(2021, 1, 4)
+
+    private val endDate = of(2021, 1, 10)
+
+    @Before
+    fun initApi() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        completedLessonRepository = CompletedLessonsRepository(completedLessonDb, sdk, refreshHelper)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getCompletedLessons(startDate, endDate) } returns remoteList
+        coEvery { completedLessonDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { completedLessonDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { completedLessonDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { completedLessonRepository.getCompletedLessons(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getCompletedLessons(startDate, endDate) }
+        coVerify { completedLessonDb.loadAll(1, 1, startDate, endDate) }
+        coVerify { completedLessonDb.insertAll(match { it.isEmpty() }) }
+        coVerify { completedLessonDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in remote`() {
+        // prepare
+        coEvery { sdk.getCompletedLessons(startDate, endDate) } returns remoteList
+        coEvery { completedLessonDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)),
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { completedLessonDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { completedLessonDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { completedLessonRepository.getCompletedLessons(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getCompletedLessons(startDate, endDate) }
+        coVerify { completedLessonDb.loadAll(1, 1, startDate, endDate) }
+        coVerify {
+            completedLessonDb.insertAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+        coVerify { completedLessonDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in local`() {
+        // prepare
+        coEvery { sdk.getCompletedLessons(startDate, endDate) } returns remoteList.dropLast(1)
+        coEvery { completedLessonDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.dropLast(1).mapToEntities(semester))
+        )
+        coEvery { completedLessonDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { completedLessonDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { completedLessonRepository.getCompletedLessons(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(1, res.data?.size)
+        coVerify { sdk.getCompletedLessons(startDate, endDate) }
+        coVerify { completedLessonDb.loadAll(1, 1, startDate, endDate) }
+        coVerify { completedLessonDb.insertAll(match { it.isEmpty() }) }
+        coVerify {
+            completedLessonDb.deleteAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+    }
+
+    private fun getCompletedLesson(date: LocalDate) = SdkCompletedLesson(
+        date = date,
+        subject = "",
+        absence = "",
+        resources = "",
+        substitution = "",
+        teacherSymbol = "",
+        teacher = "",
+        topic = "",
+        number = 1
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/ExamRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/ExamRemoteTest.kt
new file mode 100644
index 000000000..ead6dc5d1
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/ExamRemoteTest.kt
@@ -0,0 +1,151 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.ExamDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import io.github.wulkanowy.sdk.pojo.Exam as SdkExam
+
+class ExamRemoteTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var examDb: ExamDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var examRepository: ExamRepository
+
+    private val remoteList = listOf(
+        getExam(LocalDate.of(2021, 1, 4)),
+        getExam(LocalDate.of(2021, 1, 7))
+    )
+
+    private val startDate = LocalDate.of(2021, 1, 4)
+
+    private val endDate = LocalDate.of(2021, 1, 10)
+
+    private val realEndDate = LocalDate.of(2021, 1, 31)
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        examRepository = ExamRepository(examDb, sdk, refreshHelper)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getExams(startDate, realEndDate, 1) } returns remoteList
+        coEvery { examDb.loadAll(1, 1, startDate, realEndDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { examDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { examDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { examRepository.getExams(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getExams(startDate, realEndDate, 1) }
+        coVerify { examDb.loadAll(1, 1, startDate, realEndDate) }
+        coVerify { examDb.insertAll(match { it.isEmpty() }) }
+        coVerify { examDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in remote`() {
+        // prepare
+        coEvery { sdk.getExams(startDate, realEndDate, 1) } returns remoteList
+        coEvery { examDb.loadAll(1, 1, startDate, realEndDate) } returnsMany listOf(
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)),
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { examDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { examDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { examRepository.getExams(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.size)
+        coVerify { sdk.getExams(startDate, realEndDate, 1) }
+        coVerify { examDb.loadAll(1, 1, startDate, realEndDate) }
+        coVerify {
+            examDb.insertAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+        coVerify { examDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in local`() {
+        // prepare
+        coEvery { sdk.getExams(startDate, realEndDate, 1) } returns remoteList.dropLast(1)
+        coEvery { examDb.loadAll(1, 1, startDate, realEndDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.dropLast(1).mapToEntities(semester))
+        )
+        coEvery { examDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { examDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { examRepository.getExams(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(1, res.data?.size)
+        coVerify { sdk.getExams(startDate, realEndDate, 1) }
+        coVerify { examDb.loadAll(1, 1, startDate, realEndDate) }
+        coVerify { examDb.insertAll(match { it.isEmpty() }) }
+        coVerify {
+            examDb.deleteAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+    }
+
+    private fun getExam(date: LocalDate) = SdkExam(
+        subject = "",
+        group = "",
+        type = "",
+        description = "",
+        teacher = "",
+        teacherSymbol = "",
+        date = date,
+        entryDate = date
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/GradeRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/GradeRepositoryTest.kt
new file mode 100644
index 000000000..8a19d6337
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/GradeRepositoryTest.kt
@@ -0,0 +1,265 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.GradeDao
+import io.github.wulkanowy.data.db.dao.GradeSummaryDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import java.time.LocalDate.of
+import io.github.wulkanowy.sdk.pojo.Grade as SdkGrade
+
+class GradeRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var gradeDb: GradeDao
+
+    @MockK
+    private lateinit var gradeSummaryDb: GradeSummaryDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var gradeRepository: GradeRepository
+
+    @Before
+    fun initApi() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        gradeRepository = GradeRepository(gradeDb, gradeSummaryDb, sdk, refreshHelper)
+
+        coEvery { gradeDb.deleteAll(any()) } just Runs
+        coEvery { gradeDb.insertAll(any()) } returns listOf()
+
+        coEvery { gradeSummaryDb.loadAll(1, 1) } returnsMany listOf(flowOf(listOf()), flowOf(listOf()), flowOf(listOf()))
+        coEvery { gradeSummaryDb.deleteAll(any()) } just Runs
+        coEvery { gradeSummaryDb.insertAll(any()) } returns listOf()
+    }
+
+    @Test
+    fun `mark grades older than registration date as read`() {
+        // prepare
+        val boundaryDate = of(2019, 2, 27).atStartOfDay()
+        val remoteList = listOf(
+            createGradeApi(5, 4.0, of(2019, 2, 25), "Ocena pojawiła się"),
+            createGradeApi(5, 4.0, of(2019, 2, 26), "przed zalogowanie w aplikacji"),
+            createGradeApi(5, 4.0, of(2019, 2, 27), "Ocena z dnia logowania"),
+            createGradeApi(5, 4.0, of(2019, 2, 28), "Ocena jeszcze nowsza")
+        )
+        coEvery { sdk.getGrades(1) } returns (remoteList to emptyList())
+
+        coEvery { gradeDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(listOf()), // empty because it is new user
+            flowOf(listOf()), // empty again, after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester)),
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student.copy(registrationDate = boundaryDate), semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(4, res.data?.first?.size)
+        coVerify {
+            gradeDb.insertAll(withArg {
+                assertEquals(4, it.size)
+                assertTrue(it[0].isRead)
+                assertTrue(it[1].isRead)
+                assertFalse(it[2].isRead)
+                assertFalse(it[3].isRead)
+            })
+        }
+    }
+
+    @Test
+    fun `mitigate mark grades as unread when old grades changed`() {
+        // prepare
+        val remoteList = listOf(
+            createGradeApi(5, 2.0, of(2019, 2, 25), "Ocena ma datę, jest inna, ale nie zostanie powiadomiona"),
+            createGradeApi(4, 3.0, of(2019, 2, 26), "starszą niż ostatnia lokalnie"),
+            createGradeApi(3, 4.0, of(2019, 2, 27), "Ta jest z tego samego dnia co ostatnia lokalnie"),
+            createGradeApi(2, 5.0, of(2019, 2, 28), "Ta jest już w ogóle nowa")
+        )
+        coEvery { sdk.getGrades(1) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Jedna ocena"),
+            createGradeApi(4, 4.0, of(2019, 2, 26), "Druga"),
+            createGradeApi(3, 4.0, of(2019, 2, 27), "Ta jest z tego samego dnia co ostatnia lokalnie")
+        )
+        coEvery { gradeDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(localList.mapToEntities(semester)),
+            flowOf(localList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student, semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(4, res.data?.first?.size)
+        coVerify {
+            gradeDb.insertAll(withArg {
+                assertEquals(3, it.size)
+                assertTrue(it[0].isRead)
+                assertTrue(it[1].isRead)
+                assertFalse(it[2].isRead)
+                assertEquals(remoteList.mapToEntities(semester).last(), it[2])
+            })
+        }
+        coVerify {
+            gradeDb.deleteAll(withArg {
+                assertEquals(2, it.size)
+            })
+        }
+    }
+
+    @Test
+    fun `force refresh when local contains duplicated grades`() {
+        // prepare
+        val remoteList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { sdk.getGrades(1) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"), // will be removed...
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { gradeDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(localList.mapToEntities(semester)),
+            flowOf(localList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student, semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.first?.size)
+        coVerify { gradeDb.insertAll(match { it.isEmpty() }) }
+        coVerify { gradeDb.deleteAll(match { it.size == 1 }) } // ... here
+    }
+
+    @Test
+    fun `force refresh when remote contains duplicated grades`() {
+        // prepare
+        val remoteList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"), // will be added...
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { sdk.getGrades(1) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { gradeDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(localList.mapToEntities(semester)),
+            flowOf(localList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student, semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(3, res.data?.first?.size)
+        coVerify { gradeDb.insertAll(match { it.size == 1 }) } // ... here
+        coVerify { gradeDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh when local is empty`() {
+        // prepare
+        val remoteList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { sdk.getGrades(1) } returns (remoteList to emptyList())
+
+        coEvery { gradeDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(listOf()),
+            flowOf(listOf()), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student, semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(3, res.data?.first?.size)
+    }
+
+    @Test
+    fun `force refresh when remote is empty`() {
+        // prepare
+        val remoteList = emptyList<SdkGrade>()
+        coEvery { sdk.getGrades(semester.semesterId) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
+            createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
+        )
+        coEvery { gradeDb.loadAll(semester.semesterId, student.studentId) } returnsMany listOf(
+            flowOf(localList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester)),
+        )
+
+        // execute
+        val res = runBlocking { gradeRepository.getGrades(student, semester, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(0, res.data?.first?.size)
+    }
+
+    private fun createGradeApi(value: Int, weight: Double, date: LocalDate, desc: String) = SdkGrade(
+        subject = "",
+        color = "",
+        comment = "",
+        date = date,
+        description = desc,
+        entry = "",
+        modifier = .0,
+        symbol = "",
+        teacher = "",
+        value = value.toDouble(),
+        weight = weight.toString(),
+        weightValue = weight
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepositoryTest.kt
new file mode 100644
index 000000000..73dd4cfaa
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/GradeStatisticsRepositoryTest.kt
@@ -0,0 +1,100 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.GradeStatisticsItem
+import io.github.wulkanowy.sdk.pojo.GradeStatisticsSubject
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+class GradeStatisticsRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var gradePartialStatisticsDb: GradePartialStatisticsDao
+
+    @MockK
+    private lateinit var gradePointsStatisticsDb: GradePointsStatisticsDao
+
+    @MockK
+    private lateinit var gradeSemesterStatisticsDb: GradeSemesterStatisticsDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var gradeStatisticsRepository: GradeStatisticsRepository
+
+    private val remotePartialList = listOf(
+        getGradeStatisticsPartialSubject("Fizyka"),
+        getGradeStatisticsPartialSubject("Matematyka")
+    )
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        gradeStatisticsRepository = GradeStatisticsRepository(gradePartialStatisticsDb, gradePointsStatisticsDb, gradeSemesterStatisticsDb, sdk, refreshHelper)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getGradesPartialStatistics(1) } returns remotePartialList
+        coEvery { gradePartialStatisticsDb.loadAll(1, 1) } returnsMany listOf(
+            flowOf(remotePartialList.mapToEntities(semester)),
+            flowOf(remotePartialList.mapToEntities(semester))
+        )
+        coEvery { gradePartialStatisticsDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { gradePartialStatisticsDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { gradeStatisticsRepository.getGradesPartialStatistics(student, semester, "Wszystkie", true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2 + 1, res.data?.size)
+        coVerify { sdk.getGradesPartialStatistics(1) }
+        coVerify { gradePartialStatisticsDb.loadAll(1, 1) }
+        coVerify { gradePartialStatisticsDb.insertAll(match { it.isEmpty() }) }
+        coVerify { gradePartialStatisticsDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    private fun getGradeStatisticsPartialSubject(subjectName: String) = GradeStatisticsSubject(
+        subject = subjectName,
+        studentAverage = "",
+        classAverage = "",
+        classItems = listOf(
+            GradeStatisticsItem(
+                subject = subjectName,
+                grade = 0,
+                amount = 0
+            )
+        ),
+        studentItems = listOf()
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/LuckyNumberRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/LuckyNumberRemoteTest.kt
new file mode 100644
index 000000000..a89aad35c
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/LuckyNumberRemoteTest.kt
@@ -0,0 +1,126 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.LuckyNumberDao
+import io.github.wulkanowy.data.mappers.mapToEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import io.github.wulkanowy.sdk.pojo.LuckyNumber as SdkLuckyNumber
+
+class LuckyNumberRemoteTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var luckyNumberDb: LuckyNumberDao
+
+    private val student = getStudentEntity()
+
+    private lateinit var luckyNumberRepository: LuckyNumberRepository
+
+    private val luckyNumber = SdkLuckyNumber("", "", 14)
+
+    private val date = LocalDate.now()
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+
+        luckyNumberRepository = LuckyNumberRepository(luckyNumberDb, sdk)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getLuckyNumber(student.schoolShortName) } returns luckyNumber
+        coEvery { luckyNumberDb.load(1, date) } returnsMany listOf(
+            flowOf(luckyNumber.mapToEntity(student)),
+            flowOf(luckyNumber.mapToEntity(student))
+        )
+        coEvery { luckyNumberDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { luckyNumberDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { luckyNumberRepository.getLuckyNumber(student, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(luckyNumber.number, res.data?.luckyNumber)
+        coVerify { sdk.getLuckyNumber(student.schoolShortName) }
+        coVerify { luckyNumberDb.load(1, date) }
+        coVerify(exactly = 0) { luckyNumberDb.insertAll(any()) }
+        coVerify(exactly = 0) { luckyNumberDb.deleteAll(any()) }
+    }
+
+    @Test
+    fun `force refresh with different item on remote`() {
+        // prepare
+        coEvery { sdk.getLuckyNumber(student.schoolShortName) } returns luckyNumber
+        coEvery { luckyNumberDb.load(1, date) } returnsMany listOf(
+            flowOf(luckyNumber.mapToEntity(student).copy(luckyNumber = 6666)),
+            flowOf(luckyNumber.mapToEntity(student).copy(luckyNumber = 6666)), // after fetch end before save result
+            flowOf(luckyNumber.mapToEntity(student))
+        )
+        coEvery { luckyNumberDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { luckyNumberDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { luckyNumberRepository.getLuckyNumber(student, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(luckyNumber.number, res.data?.luckyNumber)
+        coVerify { sdk.getLuckyNumber(student.schoolShortName) }
+        coVerify { luckyNumberDb.load(1, date) }
+        coVerify {
+            luckyNumberDb.insertAll(match {
+                it.size == 1 && it[0] == luckyNumber.mapToEntity(student)
+            })
+        }
+        coVerify { luckyNumberDb.deleteAll(match {
+            it.size == 1 && it[0] == luckyNumber.mapToEntity(student).copy(luckyNumber = 6666)
+        }) }
+    }
+
+    @Test
+    fun `force refresh no local item`() {
+        // prepare
+        coEvery { sdk.getLuckyNumber(student.schoolShortName) } returns luckyNumber
+        coEvery { luckyNumberDb.load(1, date) } returnsMany listOf(
+            flowOf(null),
+            flowOf(null), // after fetch end before save result
+            flowOf(luckyNumber.mapToEntity(student))
+        )
+        coEvery { luckyNumberDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { luckyNumberDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { luckyNumberRepository.getLuckyNumber(student, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(luckyNumber.number, res.data?.luckyNumber)
+        coVerify { sdk.getLuckyNumber(student.schoolShortName) }
+        coVerify { luckyNumberDb.load(1, date) }
+        coVerify {
+            luckyNumberDb.insertAll(match {
+                it.size == 1 && it[0] == luckyNumber.mapToEntity(student)
+            })
+        }
+        coVerify(exactly = 0) { luckyNumberDb.deleteAll(any()) }
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/MessageRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/MessageRepositoryTest.kt
new file mode 100644
index 000000000..2fc899b34
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/MessageRepositoryTest.kt
@@ -0,0 +1,139 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.db.dao.MessageAttachmentDao
+import io.github.wulkanowy.data.db.dao.MessagesDao
+import io.github.wulkanowy.data.db.entities.Message
+import io.github.wulkanowy.data.db.entities.MessageWithAttachment
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.MessageDetails
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.net.UnknownHostException
+import java.time.LocalDateTime
+
+class MessageRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var messageDb: MessagesDao
+
+    @MockK
+    private lateinit var messageAttachmentDao: MessageAttachmentDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val student = getStudentEntity()
+
+    private lateinit var messageRepository: MessageRepository
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        messageRepository = MessageRepository(messageDb, messageAttachmentDao, sdk, refreshHelper)
+    }
+
+    @Test(expected = NoSuchElementException::class)
+    fun `throw error when message is not in the db`() {
+        val testMessage = getMessageEntity(1, "", false)
+        coEvery { messageDb.loadMessageWithAttachment(1, 1) } throws NoSuchElementException("No message in database")
+
+        runBlocking { messageRepository.getMessage(student, testMessage).toFirstResult() }
+    }
+
+    @Test
+    fun `get message when content already in db`() {
+        val testMessage = getMessageEntity(123, "Test", false)
+        val messageWithAttachment = MessageWithAttachment(testMessage, emptyList())
+
+        coEvery { messageDb.loadMessageWithAttachment(1, testMessage.messageId) } returns flowOf(messageWithAttachment)
+
+        val res = runBlocking { messageRepository.getMessage(student, testMessage).toFirstResult() }
+
+        assertEquals(null, res.error)
+        assertEquals(Status.SUCCESS, res.status)
+        assertEquals("Test", res.data!!.message.content)
+    }
+
+    @Test
+    fun `get message when content in db is empty`() {
+        val testMessage = getMessageEntity(123, "", true)
+        val testMessageWithContent = testMessage.copy().apply { content = "Test" }
+
+        val mWa = MessageWithAttachment(testMessage, emptyList())
+        val mWaWithContent = MessageWithAttachment(testMessageWithContent, emptyList())
+
+        coEvery { messageDb.loadMessageWithAttachment(1, testMessage.messageId) } returnsMany listOf(flowOf(mWa), flowOf(mWaWithContent))
+        coEvery { sdk.getMessageDetails(testMessage.messageId, 1, false, testMessage.realId) } returns MessageDetails("Test", emptyList())
+        coEvery { messageDb.updateAll(any()) } just Runs
+        coEvery { messageAttachmentDao.insertAttachments(any()) } returns listOf(1)
+
+        val res = runBlocking { messageRepository.getMessage(student, testMessage).toFirstResult() }
+
+        assertEquals(null, res.error)
+        assertEquals(Status.SUCCESS, res.status)
+        assertEquals("Test", res.data!!.message.content)
+        coVerify { messageDb.updateAll(listOf(testMessageWithContent)) }
+    }
+
+    @Test(expected = UnknownHostException::class)
+    fun `get message when content in db is empty and there is no internet connection`() {
+        val testMessage = getMessageEntity(123, "", false)
+
+        coEvery { messageDb.loadMessageWithAttachment(1, testMessage.messageId) } throws UnknownHostException()
+
+        runBlocking { messageRepository.getMessage(student, testMessage).toFirstResult() }
+    }
+
+    @Test(expected = UnknownHostException::class)
+    fun `get message when content in db is empty, unread and there is no internet connection`() {
+        val testMessage = getMessageEntity(123, "", true)
+
+        coEvery { messageDb.loadMessageWithAttachment(1, testMessage.messageId) } throws UnknownHostException()
+
+        runBlocking { messageRepository.getMessage(student, testMessage).toList()[1] }
+    }
+
+    private fun getMessageEntity(
+        messageId: Int,
+        content: String,
+        unread: Boolean
+    ) = Message(
+        studentId = 1,
+        realId = 1,
+        messageId = messageId,
+        sender = "",
+        senderId = 1,
+        recipient = "",
+        subject = "",
+        date = LocalDateTime.now(),
+        folderId = 1,
+        unread = unread,
+        removed = false,
+        hasAttachments = false
+    ).apply {
+        this.content = content
+        unreadBy = 1
+        readBy = 1
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/MobileDeviceRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/MobileDeviceRepositoryTest.kt
new file mode 100644
index 000000000..e5b3d1015
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/MobileDeviceRepositoryTest.kt
@@ -0,0 +1,142 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.MobileDeviceDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Device
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDateTime.of
+
+class MobileDeviceRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var mobileDeviceDb: MobileDeviceDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val semester = getSemesterEntity()
+
+    private val student = getStudentEntity()
+
+    private lateinit var mobileDeviceRepository: MobileDeviceRepository
+
+    private val remoteList = listOf(
+        getDevicePojo(1),
+        getDevicePojo(2)
+    )
+
+    @Before
+    fun initTest() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        mobileDeviceRepository = MobileDeviceRepository(mobileDeviceDb, sdk, refreshHelper)
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        // prepare
+        coEvery { sdk.getRegisteredDevices() } returns remoteList
+        coEvery { mobileDeviceDb.loadAll(student.studentId) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { mobileDeviceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { mobileDeviceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { mobileDeviceRepository.getDevices(student, semester, true).toFirstResult() }
+
+        // verify
+        Assert.assertEquals(null, res.error)
+        Assert.assertEquals(2, res.data?.size)
+        coVerify { sdk.getRegisteredDevices() }
+        coVerify { mobileDeviceDb.loadAll(1) }
+        coVerify { mobileDeviceDb.insertAll(match { it.isEmpty() }) }
+        coVerify { mobileDeviceDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in remote`() {
+        // prepare
+        coEvery { sdk.getRegisteredDevices() } returns remoteList
+        coEvery { mobileDeviceDb.loadAll(1) } returnsMany listOf(
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)),
+            flowOf(remoteList.dropLast(1).mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { mobileDeviceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { mobileDeviceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { mobileDeviceRepository.getDevices(student, semester, true).toFirstResult() }
+
+        // verify
+        Assert.assertEquals(null, res.error)
+        Assert.assertEquals(2, res.data?.size)
+        coVerify { sdk.getRegisteredDevices() }
+        coVerify { mobileDeviceDb.loadAll(1) }
+        coVerify {
+            mobileDeviceDb.insertAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+        coVerify { mobileDeviceDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    @Test
+    fun `force refresh with more items in local`() {
+        // prepare
+        coEvery { sdk.getRegisteredDevices() } returns remoteList.dropLast(1)
+        coEvery { mobileDeviceDb.loadAll(1) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester)), // after fetch end before save result
+            flowOf(remoteList.dropLast(1).mapToEntities(semester))
+        )
+        coEvery { mobileDeviceDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { mobileDeviceDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { mobileDeviceRepository.getDevices(student, semester, true).toFirstResult() }
+
+        // verify
+        Assert.assertEquals(null, res.error)
+        Assert.assertEquals(1, res.data?.size)
+        coVerify { sdk.getRegisteredDevices() }
+        coVerify { mobileDeviceDb.loadAll(1) }
+        coVerify { mobileDeviceDb.insertAll(match { it.isEmpty() }) }
+        coVerify {
+            mobileDeviceDb.deleteAll(match {
+                it.size == 1 && it[0] == remoteList.mapToEntities(semester)[1]
+            })
+        }
+    }
+
+    private fun getDevicePojo(day: Int) = Device(
+        id = 0,
+        name = "",
+        deviceId = "",
+        createDate = of(2019, 5, day, 0, 0, 0),
+        modificationDate = of(2019, 5, day, 0, 0, 0)
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/RecipientLocalTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/RecipientLocalTest.kt
new file mode 100644
index 000000000..82406ef46
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/RecipientLocalTest.kt
@@ -0,0 +1,85 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.RecipientDao
+import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
+
+class RecipientLocalTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var recipientDb: RecipientDao
+
+    private val student = getStudentEntity()
+
+    private lateinit var recipientRepository: RecipientRepository
+
+    private val remoteList = listOf(
+        SdkRecipient("2rPracownik", "Kowalski Jan", 3, 4, 2, "hash", "Kowalski Jan [KJ] - Pracownik (Fake123456)"),
+        SdkRecipient("3rPracownik", "Kowalska Karolina", 4, 4, 2, "hash", "Kowalska Karolina [KK] - Pracownik (Fake123456)"),
+        SdkRecipient("4rPracownik", "Krupa Stanisław", 5, 4, 1, "hash", "Krupa Stanisław [KS] - Uczeń (Fake123456)")
+    )
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this)
+
+        recipientRepository = RecipientRepository(recipientDb, sdk)
+    }
+
+    @Test
+    fun `load recipients when items already in database`() {
+        // prepare
+        coEvery { recipientDb.loadAll(4, 123, 7) } returnsMany listOf(
+            remoteList.mapToEntities(4),
+            remoteList.mapToEntities(4)
+        )
+        coEvery { recipientDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { recipientDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { recipientRepository.getRecipients(student, ReportingUnit(4, 123, "", 4, "", listOf()), 7) }
+
+        // verify
+        assertEquals(3, res.size)
+        coVerify { recipientDb.loadAll(4, 123, 7) }
+    }
+
+    @Test
+    fun `load recipients when database is empty`() {
+        // prepare
+        coEvery { sdk.getRecipients(123, 7) } returns remoteList
+        coEvery { recipientDb.loadAll(4, 123, 7) } returnsMany listOf(
+            emptyList(),
+            remoteList.mapToEntities(4)
+        )
+        coEvery { recipientDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { recipientDb.deleteAll(any()) } just Runs
+
+        // execute
+        val res = runBlocking { recipientRepository.getRecipients(student, ReportingUnit(4, 123, "", 4, "", listOf()), 7) }
+
+        // verify
+        assertEquals(3, res.size)
+        coVerify { sdk.getRecipients(123, 7) }
+        coVerify { recipientDb.loadAll(4, 123, 7) }
+        coVerify { recipientDb.insertAll(match { it.isEmpty() }) }
+        coVerify { recipientDb.deleteAll(match { it.isEmpty() }) }
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/SemesterRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/SemesterRepositoryTest.kt
new file mode 100644
index 000000000..0ed008851
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/SemesterRepositoryTest.kt
@@ -0,0 +1,221 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.TestDispatchersProvider
+import io.github.wulkanowy.data.db.dao.SemesterDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getSemesterPojo
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate.now
+
+class SemesterRepositoryTest {
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var semesterDb: SemesterDao
+
+    private val student = getStudentEntity()
+
+    private lateinit var semesterRepository: SemesterRepository
+
+    @Before
+    fun initTest() {
+        MockKAnnotations.init(this)
+
+        semesterRepository = SemesterRepository(semesterDb, sdk, TestDispatchersProvider())
+    }
+
+    @Test
+    fun getSemesters_noSemesters() {
+        val semesters = listOf(
+            getSemesterPojo(1, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(1, 2, now().minusMonths(3), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns emptyList()
+        coEvery { sdk.getSemesters() } returns semesters
+        coEvery { semesterDb.deleteAll(any()) } just Runs
+        coEvery { semesterDb.insertSemesters(any()) } returns emptyList()
+
+        runBlocking { semesterRepository.getSemesters(student) }
+
+        coVerify { semesterDb.insertSemesters(semesters.mapToEntities(student.studentId)) }
+        coVerify { semesterDb.deleteAll(emptyList()) }
+    }
+
+    @Test
+    fun getSemesters_invalidDiary_api() {
+        val badSemesters = listOf(
+            getSemesterPojo(0, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(0, 2, now().minusMonths(3), now())
+        )
+
+        val goodSemesters = listOf(
+            getSemesterPojo(122, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(123, 2, now().minusMonths(3), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns badSemesters.mapToEntities(student.studentId)
+        coEvery { sdk.getSemesters() } returns goodSemesters
+        coEvery { semesterDb.deleteAll(any()) } just Runs
+        coEvery { semesterDb.insertSemesters(any()) } returns listOf()
+
+        val items = runBlocking { semesterRepository.getSemesters(student.copy(loginMode = Sdk.Mode.API.name)) }
+        assertEquals(2, items.size)
+        assertEquals(0, items[0].diaryId)
+    }
+
+    @Test
+    fun getSemesters_invalidDiary_scrapper() {
+        val badSemesters = listOf(
+            getSemesterPojo(0, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(0, 2, now().minusMonths(3), now())
+        )
+
+        val goodSemesters = listOf(
+            getSemesterPojo(1, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(1, 2, now().minusMonths(3), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returnsMany listOf(
+            badSemesters.mapToEntities(student.studentId),
+            badSemesters.mapToEntities(student.studentId),
+            goodSemesters.mapToEntities(student.studentId)
+        )
+        coEvery { sdk.getSemesters() } returns goodSemesters
+        coEvery { semesterDb.deleteAll(any()) } just Runs
+        coEvery { semesterDb.insertSemesters(any()) } returns listOf()
+
+        val items = runBlocking { semesterRepository.getSemesters(student.copy(loginMode = Sdk.Mode.SCRAPPER.name)) }
+        assertEquals(2, items.size)
+        assertNotEquals(0, items[0].diaryId)
+    }
+
+    @Test
+    fun getSemesters_noCurrent() {
+        val semesters = listOf(
+            getSemesterEntity(1, 1, now().minusMonths(12), now().minusMonths(6)),
+            getSemesterEntity(1, 2, now().minusMonths(6), now().minusMonths(1))
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semesters
+
+        val items = runBlocking { semesterRepository.getSemesters(student) }
+        assertEquals(2, items.size)
+    }
+
+    @Test
+    fun getSemesters_oneCurrent() {
+        val semesters = listOf(
+            getSemesterEntity(1, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterEntity(1, 2, now().minusMonths(3), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semesters
+
+        val items = runBlocking { semesterRepository.getSemesters(student) }
+        assertEquals(2, items.size)
+    }
+
+    @Test
+    fun getSemesters_doubleCurrent() {
+        val semesters = listOf(
+            getSemesterEntity(1, 1, now(), now()),
+            getSemesterEntity(1, 2, now(), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semesters
+
+        val items = runBlocking { semesterRepository.getSemesters(student) }
+        assertEquals(2, items.size)
+    }
+
+    @Test
+    fun getSemesters_noSemesters_refreshOnNoCurrent() {
+        val semesters = listOf(
+            getSemesterPojo(1, 1, now().minusMonths(6), now().minusMonths(3)),
+            getSemesterPojo(1, 2, now().minusMonths(3), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns emptyList()
+        coEvery { sdk.getSemesters() } returns semesters
+        coEvery { semesterDb.deleteAll(any()) } just Runs
+        coEvery { semesterDb.insertSemesters(any()) } returns listOf()
+
+        runBlocking { semesterRepository.getSemesters(student, refreshOnNoCurrent = true) }
+
+        coVerify { semesterDb.deleteAll(emptyList()) }
+        coVerify { semesterDb.insertSemesters(semesters.mapToEntities(student.studentId)) }
+    }
+
+    @Test
+    fun getSemesters_noCurrent_refreshOnNoCurrent() {
+        val semestersWithNoCurrent = listOf(
+            getSemesterEntity(1, 1, now().minusMonths(12), now().minusMonths(6)),
+            getSemesterEntity(1, 2, now().minusMonths(6), now().minusMonths(1))
+        )
+
+        val newSemesters = listOf(
+            getSemesterPojo(1, 1, now().minusMonths(12), now().minusMonths(6)),
+            getSemesterPojo(1, 2, now().minusMonths(6), now().minusMonths(1)),
+
+            getSemesterPojo(2, 1, now().minusMonths(1), now().plusMonths(5)),
+            getSemesterPojo(2, 2, now().plusMonths(5), now().plusMonths(11)),
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semestersWithNoCurrent
+        coEvery { sdk.getSemesters() } returns newSemesters
+        coEvery { semesterDb.deleteAll(any()) } just Runs
+        coEvery { semesterDb.insertSemesters(any()) } returns listOf()
+
+        val items = runBlocking { semesterRepository.getSemesters(student, refreshOnNoCurrent = true) }
+        assertEquals(2, items.size)
+    }
+
+    @Test
+    fun getSemesters_doubleCurrent_refreshOnNoCurrent() {
+        val semesters = listOf(
+            getSemesterEntity(1, 1, now(), now()),
+            getSemesterEntity(1, 2, now(), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semesters
+
+        val items = runBlocking { semesterRepository.getSemesters(student, refreshOnNoCurrent = true) }
+        assertEquals(2, items.size)
+    }
+
+    @Test(expected = IllegalArgumentException::class)
+    fun getCurrentSemester_doubleCurrent() {
+        val semesters = listOf(
+            getSemesterEntity(1, 1, now(), now()),
+            getSemesterEntity(1, 1, now(), now())
+        )
+
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns semesters
+
+        runBlocking { semesterRepository.getCurrentSemester(student) }
+    }
+
+    @Test(expected = RuntimeException::class)
+    fun getCurrentSemester_emptyList() {
+        coEvery { semesterDb.loadAll(student.studentId, student.classId) } returns emptyList()
+
+        runBlocking { semesterRepository.getCurrentSemester(student) }
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt
new file mode 100644
index 000000000..402b22723
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/StudentTest.kt
@@ -0,0 +1,80 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.TestDispatchersProvider
+import io.github.wulkanowy.data.db.dao.SemesterDao
+import io.github.wulkanowy.data.db.dao.StudentDao
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Student
+import io.github.wulkanowy.utils.AppInfo
+import io.mockk.MockKAnnotations
+import io.mockk.coEvery
+import io.mockk.impl.annotations.MockK
+import io.mockk.mockk
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+
+class StudentTest {
+
+    @MockK
+    private lateinit var mockSdk: Sdk
+
+    @MockK
+    private lateinit var studentDb: StudentDao
+
+    @MockK
+    private lateinit var semesterDb: SemesterDao
+
+    private lateinit var studentRepository: StudentRepository
+
+    @Before
+    fun initApi() {
+        MockKAnnotations.init(this)
+        studentRepository = StudentRepository(
+            mockk(),
+            TestDispatchersProvider(),
+            studentDb,
+            semesterDb,
+            mockSdk,
+            AppInfo()
+        )
+    }
+
+    @Test
+    fun testRemoteAll() {
+        coEvery { mockSdk.getStudentsFromScrapper(any(), any(), any(), any()) } returns listOf(
+            getStudent("test")
+        )
+
+        val students = runBlocking { studentRepository.getStudentsScrapper("", "", "http://fakelog.cf", "") }
+        assertEquals(1, students.size)
+        assertEquals("test Kowalski", students.first().student.studentName)
+    }
+
+    private fun getStudent(name: String): Student {
+        return Student(
+            email = "",
+            symbol = "",
+            studentId = 0,
+            userLoginId = 0,
+            userLogin = "",
+            userName = "",
+            studentName = name,
+            studentSurname = "Kowalski",
+            schoolSymbol = "",
+            schoolShortName = "",
+            schoolName = "",
+            className = "",
+            classId = 0,
+            certificateKey = "",
+            privateKey = "",
+            loginMode = Sdk.Mode.SCRAPPER,
+            mobileBaseUrl = "",
+            loginType = Sdk.ScrapperLoginType.STANDARD,
+            scrapperBaseUrl = "",
+            isParent = false,
+            semesters = emptyList()
+        )
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/TimetableRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/TimetableRepositoryTest.kt
new file mode 100644
index 000000000..1e000e848
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/data/repositories/TimetableRepositoryTest.kt
@@ -0,0 +1,231 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.dao.TimetableAdditionalDao
+import io.github.wulkanowy.data.db.dao.TimetableDao
+import io.github.wulkanowy.data.mappers.mapToEntities
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.getStudentEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
+import io.github.wulkanowy.utils.AutoRefreshHelper
+import io.github.wulkanowy.utils.toFirstResult
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerify
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.runBlocking
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalDateTime.of
+import io.github.wulkanowy.sdk.pojo.Timetable as SdkTimetable
+
+class TimetableRepositoryTest {
+
+    @MockK(relaxed = true)
+    private lateinit var timetableNotificationSchedulerHelper: TimetableNotificationSchedulerHelper
+
+    @SpyK
+    private var sdk = Sdk()
+
+    @MockK
+    private lateinit var timetableDb: TimetableDao
+
+    @MockK
+    private lateinit var timetableAdditionalDao: TimetableAdditionalDao
+
+    @MockK(relaxUnitFun = true)
+    private lateinit var refreshHelper: AutoRefreshHelper
+
+    private val student = getStudentEntity()
+
+    private val semester = getSemesterEntity()
+
+    private lateinit var timetableRepository: TimetableRepository
+
+    private val startDate = LocalDate.of(2021, 1, 4)
+
+    private val endDate = LocalDate.of(2021, 1, 10)
+
+    @Before
+    fun initApi() {
+        MockKAnnotations.init(this)
+        every { refreshHelper.isShouldBeRefreshed(any()) } returns false
+
+        timetableRepository = TimetableRepository(timetableDb, timetableAdditionalDao, sdk, timetableNotificationSchedulerHelper, refreshHelper)
+    }
+
+    @Test
+    fun copyRoomToCompletedFromPrevious() {
+        // prepare
+        val remoteList = listOf(
+            createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "", "Przyroda"),
+            createTimetableRemote(of(2021, 1, 4, 8, 50), 2, "", "Religia"),
+            createTimetableRemote(of(2021, 1, 4, 9, 40), 3, "", "W-F"),
+            createTimetableRemote(of(2021, 1, 4, 10, 30), 4, "", "W-F")
+        )
+        coEvery { sdk.getTimetable(any(), any()) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Przyroda"),
+            createTimetableRemote(of(2021, 1, 4, 8, 50), 2, "321", "Religia"),
+            createTimetableRemote(of(2021, 1, 4, 9, 40), 3, "213", "W-F"),
+            createTimetableRemote(of(2021, 1, 4, 10, 30), 3, "213", "W-F", "Jan Kowalski")
+        )
+        coEvery { timetableDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate) } returns flowOf(localList.mapToEntities(semester))
+        coEvery { timetableDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { timetableDb.deleteAll(any()) } just Runs
+
+        coEvery { timetableAdditionalDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+        coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
+
+        // execute
+        val res = runBlocking {
+            timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult()
+        }
+
+        // verify
+        assertEquals(4, res.data?.first.orEmpty().size)
+        coVerify {
+            timetableDb.insertAll(withArg {
+                assertEquals(4, it.size)
+                assertEquals("123", it[0].room)
+                assertEquals("321", it[1].room)
+                assertEquals("213", it[2].room)
+            })
+        }
+        coVerify { timetableDb.deleteAll(match { it.size == 4 }) }
+    }
+
+    @Test
+    fun copyTeacherToCompletedFromPrevious() {
+        // prepare
+        val remoteList = listOf(
+            createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Matematyka", "Paweł Poniedziałkowski", false), // skip
+            createTimetableRemote(of(2021, 1, 4, 8, 50), 2, "124", "Matematyka", "Jakub Wtorkowski", true),
+            createTimetableRemote(of(2021, 1, 4, 9, 40), 3, "125", "Język polski", "Joanna Poniedziałkowska", false),
+            createTimetableRemote(of(2021, 1, 4, 10, 40), 4, "126", "Język polski", "Joanna Wtorkowska", true), // skip
+
+            createTimetableRemote(of(2021, 1, 5, 8, 0), 1, "123", "Język polski", "", false),
+            createTimetableRemote(of(2021, 1, 5, 8, 50), 2, "124", "Język polski", "", true),
+            createTimetableRemote(of(2021, 1, 5, 9, 40), 3, "125", "Język polski", "", false),
+            createTimetableRemote(of(2021, 1, 5, 10, 40), 4, "126", "Język polski", "", true),
+
+            createTimetableRemote(of(2021, 1, 6, 8, 0), 1, "123", "Matematyka", "Paweł Środowski", false),
+            createTimetableRemote(of(2021, 1, 6, 8, 50), 2, "124", "Matematyka", "Paweł Czwartkowski", true),
+            createTimetableRemote(of(2021, 1, 6, 9, 40), 3, "125", "Matematyka", "Paweł Środowski", false),
+            createTimetableRemote(of(2021, 1, 6, 10, 40), 4, "126", "Matematyka", "Paweł Czwartkowski", true)
+        )
+        coEvery { sdk.getTimetable(startDate, endDate) } returns (remoteList to emptyList())
+
+        val localList = listOf(
+            createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Matematyka", "Paweł Poniedziałkowski", false),
+            createTimetableRemote(of(2021, 1, 4, 8, 50), 2, "124", "Matematyka", "Paweł Poniedziałkowski", false),
+            createTimetableRemote(of(2021, 1, 4, 9, 40), 3, "125", "Język polski", "Joanna Wtorkowska", true),
+            createTimetableRemote(of(2021, 1, 4, 10, 40), 4, "126", "Język polski", "Joanna Wtorkowska", true),
+
+            createTimetableRemote(of(2021, 1, 5, 8, 0), 1, "123", "Język polski", "Joanna Wtorkowska", false),
+            createTimetableRemote(of(2021, 1, 5, 8, 50), 2, "124", "Język polski", "Joanna Wtorkowska", false),
+            createTimetableRemote(of(2021, 1, 5, 9, 40), 3, "125", "Język polski", "Joanna Środowska", true),
+            createTimetableRemote(of(2021, 1, 5, 10, 40), 4, "126", "Język polski", "Joanna Środowska", true),
+
+            createTimetableRemote(of(2021, 1, 6, 8, 0), 1, "123", "Matematyka", "", false),
+            createTimetableRemote(of(2021, 1, 6, 8, 50), 2, "124", "Matematyka", "", false),
+            createTimetableRemote(of(2021, 1, 6, 9, 40), 3, "125", "Matematyka", "", true),
+            createTimetableRemote(of(2021, 1, 6, 10, 40), 4, "126", "Matematyka", "", true)
+        )
+        coEvery { timetableDb.loadAll(semester.diaryId, semester.studentId, startDate, endDate) } returns flowOf(localList.mapToEntities(semester))
+        coEvery { timetableDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { timetableDb.deleteAll(any()) } just Runs
+
+        coEvery { timetableAdditionalDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+        coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
+
+        // execute
+        val res = runBlocking { timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(12, res.data!!.first.size)
+
+        coVerify {
+            timetableDb.insertAll(withArg {
+                assertEquals(10, it.size)
+//                assertEquals("Paweł Poniedziałkowski", it[0].teacher) // skip
+                assertEquals("Jakub Wtorkowski", it[0].teacher)
+                assertEquals("Joanna Poniedziałkowska", it[1].teacher)
+//                assertEquals("Joanna Wtorkowska", it[3].teacher) // skip
+
+                assertEquals("Joanna Wtorkowska", it[2].teacher)
+                assertEquals("", it[3].teacher)
+                assertEquals("", it[4].teacher)
+                assertEquals("", it[5].teacher)
+
+                assertEquals("Paweł Środowski", it[6].teacher)
+                assertEquals("Paweł Czwartkowski", it[7].teacher)
+                assertEquals("Paweł Środowski", it[8].teacher)
+                assertEquals("Paweł Czwartkowski", it[9].teacher)
+            })
+        }
+        coVerify { timetableDb.deleteAll(match { it.size == 10 }) }
+    }
+
+    @Test
+    fun `force refresh without difference`() {
+        val remoteList = listOf(
+            createTimetableRemote(of(2021, 1, 4, 8, 0), 1, "123", "Język polski", "", false),
+            createTimetableRemote(of(2021, 1, 4, 8, 50), 2, "124", "Język polski", "", true)
+        )
+
+        // prepare
+        coEvery { sdk.getTimetable(startDate, endDate) } returns (remoteList to emptyList())
+        coEvery { timetableDb.loadAll(1, 1, startDate, endDate) } returnsMany listOf(
+            flowOf(remoteList.mapToEntities(semester)),
+            flowOf(remoteList.mapToEntities(semester))
+        )
+        coEvery { timetableDb.insertAll(any()) } returns listOf(1, 2, 3)
+        coEvery { timetableDb.deleteAll(any()) } just Runs
+
+        coEvery { timetableAdditionalDao.loadAll(1, 1, startDate, endDate) } returns flowOf(listOf())
+        coEvery { timetableAdditionalDao.deleteAll(emptyList()) } just Runs
+        coEvery { timetableAdditionalDao.insertAll(emptyList()) } returns listOf(1, 2, 3)
+
+        // execute
+        val res = runBlocking { timetableRepository.getTimetable(student, semester, startDate, endDate, true).toFirstResult() }
+
+        // verify
+        assertEquals(null, res.error)
+        assertEquals(2, res.data?.first?.size)
+        coVerify { sdk.getTimetable(startDate, endDate) }
+        coVerify { timetableDb.loadAll(1, 1, startDate, endDate) }
+        coVerify { timetableDb.insertAll(match { it.isEmpty() }) }
+        coVerify { timetableDb.deleteAll(match { it.isEmpty() }) }
+    }
+
+    private fun createTimetableRemote(start: LocalDateTime, number: Int = 1, room: String = "", subject: String = "", teacher: String = "", changes: Boolean = false) = SdkTimetable(
+        number = number,
+        start = start,
+        end = start.plusMinutes(45),
+        date = start.toLocalDate(),
+        subject = subject,
+        group = "",
+        room = room,
+        teacher = teacher,
+        info = "",
+        changes = changes,
+        canceled = false,
+        roomOld = "",
+        subjectOld = "",
+        teacherOld = "",
+        studentPlan = true
+    )
+}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/UnitTestInternetObservingStrategy.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/UnitTestInternetObservingStrategy.kt
deleted file mode 100644
index 28abbb993..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/UnitTestInternetObservingStrategy.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package io.github.wulkanowy.data.repositories
-
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingStrategy
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.error.ErrorHandler
-import io.reactivex.Observable
-import io.reactivex.Single
-
-class UnitTestInternetObservingStrategy : InternetObservingStrategy {
-
-    override fun checkInternetConnectivity(host: String?, port: Int, timeoutInMs: Int, httpResponse: Int, errorHandler: ErrorHandler?): Single<Boolean> {
-        return Single.just(true)
-    }
-
-    override fun observeInternetConnectivity(initialIntervalInMs: Int, intervalInMs: Int, host: String?, port: Int, timeoutInMs: Int, httpResponse: Int, errorHandler: ErrorHandler?): Observable<Boolean> {
-        return Observable.just(true)
-    }
-
-    override fun getDefaultPingHost() = "localhost"
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemoteTest.kt
deleted file mode 100644
index 8adfa83bd..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/attendance/AttendanceRemoteTest.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-package io.github.wulkanowy.data.repositories.attendance
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.attendance.Attendance
-import io.github.wulkanowy.data.db.entities.Semester
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.Assert.assertEquals
-import org.junit.Before
-import org.junit.Test
-import org.threeten.bp.LocalDate
-import java.sql.Date
-
-class AttendanceRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getAttendanceTest() {
-        every { mockApi.getAttendance(
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-        ) } returns Single.just(listOf(
-                getAttendance("2018-09-10"),
-                getAttendance("2018-09-17")
-        ))
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 1
-
-        val attendance = AttendanceRemote(mockApi).getAttendance(semesterMock,
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)).blockingGet()
-        assertEquals(2, attendance.size)
-    }
-
-    private fun getAttendance(dateString: String): Attendance {
-        return Attendance().apply {
-            subject = "Fizyka"
-            name = "Obecność"
-            date = Date.valueOf(dateString)
-        }
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemoteTest.kt
deleted file mode 100644
index bb9f52945..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/completedlessons/CompletedLessonsRemoteTest.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package io.github.wulkanowy.data.repositories.completedlessons
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.timetable.CompletedLesson
-import io.github.wulkanowy.data.db.entities.Semester
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.Assert
-import org.junit.Before
-import org.junit.Test
-import org.threeten.bp.LocalDate
-import java.sql.Date
-
-class CompletedLessonsRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getCompletedLessonsTest() {
-        every {
-            mockApi.getCompletedLessons(
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-            )
-        } returns Single.just(listOf(
-            getCompletedLesson("2018-09-10"),
-            getCompletedLesson("2018-09-17")
-        ))
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 1
-
-        val completed = CompletedLessonsRemote(mockApi).getCompletedLessons(semesterMock,
-            LocalDate.of(2018, 9, 10),
-            LocalDate.of(2018, 9, 15)
-        ).blockingGet()
-        Assert.assertEquals(2, completed.size)
-    }
-
-    private fun getCompletedLesson(dateString: String): CompletedLesson {
-        return CompletedLesson().apply { date = Date.valueOf(dateString) }
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/exam/ExamRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/exam/ExamRemoteTest.kt
deleted file mode 100644
index 0c83bed0a..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/exam/ExamRemoteTest.kt
+++ /dev/null
@@ -1,63 +0,0 @@
-package io.github.wulkanowy.data.repositories.exam
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.exams.Exam
-import io.github.wulkanowy.data.db.entities.Semester
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.Assert.assertEquals
-import org.junit.Before
-import org.junit.Test
-import org.threeten.bp.LocalDate
-import java.sql.Date
-
-class ExamRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getExamsTest() {
-        every { mockApi.getExams(
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-        ) } returns Single.just(listOf(
-                getExam("2018-09-10"),
-                getExam("2018-09-17")
-        ))
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 1
-
-        val exams = ExamRemote(mockApi).getExams(semesterMock,
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-        ).blockingGet()
-        assertEquals(2, exams.size)
-    }
-
-    private fun getExam(dateString: String): Exam {
-        return Exam().apply {
-            subject = ""
-            group = ""
-            type = ""
-            description = ""
-            teacher = ""
-            teacherSymbol = ""
-            date = Date.valueOf(dateString)
-            entryDate = Date.valueOf(dateString)
-        }
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemoteTest.kt
deleted file mode 100644
index 37d3f2ad6..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsRemoteTest.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradestatistics
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.grades.GradeStatistics
-import io.github.wulkanowy.data.db.entities.Semester
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.Assert
-import org.junit.Before
-import org.junit.Test
-
-class GradeStatisticsRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getGradeStatisticsTest() {
-        every { mockApi.getGradesStatistics(1, any()) } returns Single.just(listOf(
-            getGradeStatistics("Fizyka"),
-            getGradeStatistics("Matematyka")
-        ))
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.semesterId } returns 1
-        every { semesterMock.semesterName } returns 2
-        every { semesterMock.diaryId } returns 1
-
-        val stats = GradeStatisticsRemote(mockApi).getGradeStatistics(semesterMock, false).blockingGet()
-        Assert.assertEquals(2, stats.size)
-    }
-
-    private fun getGradeStatistics(subjectName: String): GradeStatistics {
-        return GradeStatistics().apply {
-            subject = subjectName
-            gradeValue = 5
-            amount = 10
-        }
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemoteTest.kt
deleted file mode 100644
index 67e6c2ef6..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/luckynumber/LuckyNumberRemoteTest.kt
+++ /dev/null
@@ -1,45 +0,0 @@
-package io.github.wulkanowy.data.repositories.luckynumber
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRemote
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Maybe
-import org.junit.Assert.assertEquals
-import org.junit.Before
-import org.junit.Test
-import org.threeten.bp.LocalDate
-
-class LuckyNumberRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getLuckyNumberTest() {
-        every { mockApi.getLuckyNumber() } returns Maybe.just(14)
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 1
-
-        val luckyNumber = LuckyNumberRemote(mockApi)
-            .getLuckyNumber(semesterMock)
-            .blockingGet()
-
-        assertEquals(14, luckyNumber.luckyNumber)
-        assertEquals(LocalDate.now(), luckyNumber.date)
-        assertEquals(semesterMock.studentId, luckyNumber.studentId)
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepositoryTest.kt
deleted file mode 100644
index 9c1bb9756..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/mobiledevice/MobileDeviceRepositoryTest.kt
+++ /dev/null
@@ -1,64 +0,0 @@
-package io.github.wulkanowy.data.repositories.mobiledevice
-
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.repositories.UnitTestInternetObservingStrategy
-import io.reactivex.Maybe
-import io.reactivex.Single
-import org.junit.Before
-import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
-import org.threeten.bp.LocalDateTime.of
-
-class MobileDeviceRepositoryTest {
-
-    @Mock
-    private lateinit var semester: Semester
-
-    @Mock
-    private lateinit var mobileDeviceRemote: MobileDeviceRemote
-
-    @Mock
-    private lateinit var mobileDeviceLocal: MobileDeviceLocal
-
-    private lateinit var mobileDeviceRepository: MobileDeviceRepository
-
-    private val settings = InternetObservingSettings.builder()
-        .strategy(UnitTestInternetObservingStrategy())
-        .build()
-
-    @Before
-    fun initTest() {
-        MockitoAnnotations.initMocks(this)
-        mobileDeviceRepository = MobileDeviceRepository(settings, mobileDeviceLocal, mobileDeviceRemote)
-    }
-
-    @Test
-    fun getDevices() {
-        val devices = listOf(
-            getDeviceEntity(1),
-            getDeviceEntity(2)
-        )
-
-        doReturn(Maybe.empty<MobileDevice>()).`when`(mobileDeviceLocal).getDevices(semester)
-        doReturn(Single.just(devices)).`when`(mobileDeviceRemote).getDevices(semester)
-
-        mobileDeviceRepository.getDevices(semester).blockingGet()
-
-        verify(mobileDeviceLocal).deleteDevices(emptyList())
-        verify(mobileDeviceLocal).saveDevices(devices)
-    }
-
-    private fun getDeviceEntity(day: Int): MobileDevice {
-        return MobileDevice(
-            studentId = 1,
-            deviceId = 1,
-            name = "",
-            date = of(2019, 5, day, 0, 0, 0)
-        )
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/semester/SemesterRepositoryTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/semester/SemesterRepositoryTest.kt
deleted file mode 100644
index 7856b9370..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/semester/SemesterRepositoryTest.kt
+++ /dev/null
@@ -1,74 +0,0 @@
-package io.github.wulkanowy.data.repositories.semester
-
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.UnitTestInternetObservingStrategy
-import io.reactivex.Maybe
-import io.reactivex.Single
-import org.junit.Before
-import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.doNothing
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
-
-class SemesterRepositoryTest {
-
-    @Mock
-    private lateinit var semesterRemote: SemesterRemote
-
-    @Mock
-    private lateinit var semesterLocal: SemesterLocal
-
-    @Mock
-    private lateinit var apiHelper: ApiHelper
-
-    @Mock
-    private lateinit var student: Student
-
-    private lateinit var semesterRepository: SemesterRepository
-
-    private val settings = InternetObservingSettings.builder()
-        .strategy(UnitTestInternetObservingStrategy())
-        .build()
-
-    @Before
-    fun initTest() {
-        MockitoAnnotations.initMocks(this)
-        semesterRepository = SemesterRepository(semesterRemote, semesterLocal, settings, apiHelper)
-    }
-
-    @Test
-    fun singleCurrentSemesterTest() {
-        val semesters = listOf(
-            createSemesterEntity(false),
-            createSemesterEntity(true)
-        )
-
-        doNothing().`when`(apiHelper).initApi(student)
-        doReturn(Maybe.empty<Semester>()).`when`(semesterLocal).getSemesters(student)
-        doReturn(Single.just(semesters)).`when`(semesterRemote).getSemesters(student)
-
-        semesterRepository.getSemesters(student).blockingGet()
-
-        verify(semesterLocal).deleteSemesters(emptyList())
-        verify(semesterLocal).saveSemesters(semesters)
-    }
-
-    @Test(expected = IllegalArgumentException::class)
-    fun twoCurrentSemesterTest() {
-        val semesters = listOf(
-            createSemesterEntity(true),
-            createSemesterEntity(true)
-        )
-
-        doNothing().`when`(apiHelper).initApi(student)
-        doReturn(Maybe.empty<Semester>()).`when`(semesterLocal).getSemesters(student)
-        doReturn(Single.just(semesters)).`when`(semesterRemote).getSemesters(student)
-
-        semesterRepository.getSemesters(student).blockingGet()
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/semester/TestSemesterEnityCreator.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/semester/TestSemesterEnityCreator.kt
deleted file mode 100644
index f628710fc..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/semester/TestSemesterEnityCreator.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package io.github.wulkanowy.data.repositories.semester
-
-import io.github.wulkanowy.data.db.entities.Semester
-import org.threeten.bp.LocalDate.now
-
-fun createSemesterEntity(current: Boolean): Semester {
-    return Semester(
-        studentId = 0,
-        diaryId = 0,
-        semesterId = 0,
-        diaryName = "",
-        schoolYear = 1970,
-        classId = 0,
-        isCurrent = current,
-        semesterName = 0,
-        unitId = 0,
-        start = now(),
-        end = now()
-    )
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/student/StudentRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/student/StudentRemoteTest.kt
deleted file mode 100644
index 4d7b23ebd..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/student/StudentRemoteTest.kt
+++ /dev/null
@@ -1,32 +0,0 @@
-package io.github.wulkanowy.data.repositories.student
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.register.Student
-import io.reactivex.Single
-import org.junit.Assert.assertEquals
-import org.junit.Before
-import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.doReturn
-import org.mockito.MockitoAnnotations
-
-class StudentRemoteTest {
-
-    @Mock
-    private lateinit var mockApi: Api
-
-    @Before
-    fun initApi() {
-        MockitoAnnotations.initMocks(this)
-    }
-
-    @Test
-    fun testRemoteAll() {
-        doReturn(Single.just(listOf(Student("", "", 1, "test", "", "", "", 1, Api.LoginType.AUTO))))
-            .`when`(mockApi).getStudents()
-
-        val students = StudentRemote(mockApi).getStudents("", "", "").blockingGet()
-        assertEquals(1, students.size)
-        assertEquals("test", students.first().studentName)
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemoteTest.kt b/app/src/test/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemoteTest.kt
deleted file mode 100644
index 4bb4091fb..000000000
--- a/app/src/test/java/io/github/wulkanowy/data/repositories/timetable/TimetableRemoteTest.kt
+++ /dev/null
@@ -1,55 +0,0 @@
-package io.github.wulkanowy.data.repositories.timetable
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.timetable.Timetable
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.data.repositories.timetable.TimetableRemote
-import io.mockk.MockKAnnotations
-import io.mockk.every
-import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
-import io.reactivex.Single
-import org.junit.Assert.assertEquals
-import org.junit.Before
-import org.junit.Test
-import org.threeten.bp.LocalDate
-import java.sql.Date
-
-class TimetableRemoteTest {
-
-    @SpyK
-    private var mockApi = Api()
-
-    @MockK
-    private lateinit var semesterMock: Semester
-
-    @Before
-    fun initApi() {
-        MockKAnnotations.init(this)
-    }
-
-    @Test
-    fun getTimetableTest() {
-        every { mockApi.getTimetable(
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-        ) } returns Single.just(listOf(
-                getTimetable("2018-09-10"),
-                getTimetable("2018-09-17")
-        ))
-
-        every { mockApi.diaryId } returns 1
-        every { semesterMock.studentId } returns 1
-        every { semesterMock.diaryId } returns 1
-
-        val timetable = TimetableRemote(mockApi).getTimetable(semesterMock,
-                LocalDate.of(2018, 9, 10),
-                LocalDate.of(2018, 9, 15)
-        ).blockingGet()
-        assertEquals(2, timetable.size)
-    }
-
-    private fun getTimetable(dateString: String): Timetable {
-        return Timetable(date = Date.valueOf(dateString))
-    }
-}
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProviderTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProviderTest.kt
index 3197bb794..f3d92d2ee 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProviderTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/grade/GradeAverageProviderTest.kt
@@ -1,160 +1,732 @@
 package io.github.wulkanowy.ui.modules.grade
 
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.grade.GradeRepository
-import io.github.wulkanowy.data.repositories.gradessummary.GradeSummaryRepository
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.reactivex.Single
+import io.github.wulkanowy.data.repositories.GradeRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.getSemesterEntity
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.flowWithResource
+import io.mockk.MockKAnnotations
+import io.mockk.coEvery
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
 import org.junit.Before
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.doReturn
-import org.mockito.MockitoAnnotations
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDateTime
+import java.time.LocalDate.now
+import java.time.LocalDate.of
+import java.time.LocalDateTime
 
 class GradeAverageProviderTest {
 
-    @Mock
+    private suspend fun <T> Flow<Resource<T>>.getResult() = toList()[1].data!!
+
+    @MockK
     lateinit var preferencesRepository: PreferencesRepository
 
-    @Mock
-    lateinit var gradeRepository: GradeRepository
+    @MockK
+    lateinit var semesterRepository: SemesterRepository
 
-    @Mock
-    lateinit var gradeSummaryRepository: GradeSummaryRepository
+    @MockK
+    lateinit var gradeRepository: GradeRepository
 
     private lateinit var gradeAverageProvider: GradeAverageProvider
 
-    private val student = Student("", "", "", "", "", 101, "", "", "", "", 1, true, LocalDateTime.now())
+    private val student = Student(
+        scrapperBaseUrl = "",
+        mobileBaseUrl = "",
+        loginType = "",
+        loginMode = "SCRAPPER",
+        certificateKey = "",
+        privateKey = "",
+        isParent = false,
+        email = "",
+        password = "",
+        symbol = "",
+        studentId = 101,
+        userLoginId = 0,
+        userName = "",
+        studentName = "",
+        schoolSymbol = "",
+        schoolShortName = "",
+        schoolName = "",
+        className = "",
+        classId = 1,
+        isCurrent = true,
+        registrationDate = LocalDateTime.now()
+    )
 
     private val semesters = mutableListOf(
-        Semester(101, 10, "", 1, 21, 1, false, now(), now(), 1, 1),
-        Semester(101, 11, "", 1, 22, 1, false, now(), now(), 1, 1),
-        Semester(101, 11, "", 1, 23, 2, true, now(), now(), 1, 1)
+        getSemesterEntity(10, 21, of(2019, 1, 31), of(2019, 6, 23)),
+        getSemesterEntity(11, 22, of(2019, 9, 1), of(2020, 1, 31)),
+        getSemesterEntity(11, 23, of(2020, 2, 1), now(), semesterName = 2)
     )
 
     private val firstGrades = listOf(
-        getGrade(22, "Matematyka", 4),
-        getGrade(22, "Matematyka", 3),
-        getGrade(22, "Fizyka", 6),
-        getGrade(22, "Fizyka", 1)
+        // avg: 3.5
+        getGrade(22, "Matematyka", 4.0),
+        getGrade(22, "Matematyka", 3.0),
+
+        // avg: 3.5
+        getGrade(22, "Fizyka", 6.0),
+        getGrade(22, "Fizyka", 1.0)
     )
 
-    private val secondGrade = listOf(
-        getGrade(23, "Matematyka", 2),
-        getGrade(23, "Matematyka", 3),
-        getGrade(23, "Fizyka", 4),
-        getGrade(23, "Fizyka", 2)
+    private val firstSummaries = listOf(
+        getSummary(semesterId = 22, subject = "Matematyka", average = 3.9),
+        getSummary(semesterId = 22, subject = "Fizyka", average = 3.1)
+    )
+
+    private val secondGrades = listOf(
+        // avg: 2.5
+        getGrade(23, "Matematyka", 2.0),
+        getGrade(23, "Matematyka", 3.0),
+
+        // avg: 3.0
+        getGrade(23, "Fizyka", 4.0),
+        getGrade(23, "Fizyka", 2.0)
+    )
+
+    private val secondSummaries = listOf(
+        getSummary(semesterId = 23, subject = "Matematyka", average = 2.9),
+        getSummary(semesterId = 23, subject = "Fizyka", average = 3.4)
+    )
+
+    private val secondGradeWithModifier = listOf(
+        // avg: 3.375
+        getGrade(24, "Język polski", 3.0, -0.50),
+        getGrade(24, "Język polski", 4.0, 0.25)
+    )
+
+    private val secondSummariesWithModifier = listOf(
+        getSummary(24, "Język polski", 3.49)
     )
 
     @Before
-    fun initTest() {
-        MockitoAnnotations.initMocks(this)
-        gradeAverageProvider = GradeAverageProvider(preferencesRepository, gradeRepository, gradeSummaryRepository)
+    fun setUp() {
+        MockKAnnotations.init(this)
 
-        doReturn(.33).`when`(preferencesRepository).gradeMinusModifier
-        doReturn(.33).`when`(preferencesRepository).gradePlusModifier
-        doReturn(false).`when`(preferencesRepository).gradeAverageForceCalc
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        every { preferencesRepository.gradeMinusModifier } returns .33
+        every { preferencesRepository.gradePlusModifier } returns .33
 
-        doReturn(Single.just(firstGrades)).`when`(gradeRepository).getGrades(student, semesters[1], true)
-        doReturn(Single.just(secondGrade)).`when`(gradeRepository).getGrades(student, semesters[2], true)
+        gradeAverageProvider = GradeAverageProvider(semesterRepository, gradeRepository, preferencesRepository)
     }
 
     @Test
-    fun onlyOneSemesterTest() {
-        doReturn("only_one_semester").`when`(preferencesRepository).gradeAverageMode
-        doReturn(Single.just(emptyList<GradeSummary>())).`when`(gradeSummaryRepository).getGradesSummary(semesters[2], true)
+    fun `calc current semester average with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGradeWithModifier to secondSummariesWithModifier))
+            emit(Resource.success(secondGradeWithModifier to secondSummariesWithModifier))
+        }
 
-        val averages = gradeAverageProvider.getGradeAverage(student, semesters, semesters[2].semesterId, true)
-            .blockingGet()
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
 
-        assertEquals(2, averages.size)
-        assertEquals(2.5, averages["Matematyka"])
-        assertEquals(3.0, averages["Fizyka"])
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(1, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(1, data!!.size)
+        }
+
+        assertEquals(3.5, items[1].data?.single { it.subject == "Język polski" }!!.average, .0) // from details and after set custom plus/minus
     }
 
     @Test
-    fun allYearFirstSemesterTest() {
-        doReturn("all_year").`when`(preferencesRepository).gradeAverageMode
-        doReturn(Single.just(emptyList<GradeSummary>())).`when`(gradeSummaryRepository).getGradesSummary(semesters[1], true)
+    fun `calc all year semester average with delayed emit`(){
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
 
-        val averages = gradeAverageProvider.getGradeAverage(student, semesters, semesters[1].semesterId, true)
-            .blockingGet()
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], false) } returns flow {
+            emit(Resource.loading())
+            delay(1000)
+            emit(Resource.success(secondGradeWithModifier to secondSummariesWithModifier))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[1], false) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.success(secondGradeWithModifier to secondSummariesWithModifier))
+        }
 
-        assertEquals(2, averages.size)
-        assertEquals(3.5, averages["Matematyka"])
-        assertEquals(3.5, averages["Fizyka"])
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, false).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(1, data!!.size)
+        }
+
+        assertEquals(3.5, items[1].data?.single { it.subject == "Język polski" }!!.average, .0) // from details and after set custom plus/minus
     }
 
     @Test
-    fun allYearSecondSemesterTest() {
-        doReturn("all_year").`when`(preferencesRepository).gradeAverageMode
-        doReturn(Single.just(firstGrades)).`when`(gradeRepository).getGrades(student, semesters[1], false)
-        doReturn(Single.just(emptyList<GradeSummary>())).`when`(gradeSummaryRepository).getGradesSummary(semesters[2], true)
+    fun `calc both semesters average with grade without grade in second semester`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
 
-        val averages = gradeAverageProvider.getGradeAverage(student, semesters, semesters[2].semesterId, true)
-            .blockingGet()
+        coEvery { gradeRepository.getGrades(student, semesters[1], false) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+        coEvery { gradeRepository.getGrades(student, semesters[2], false) } returns flowWithResource {
+            listOf(getGrade(semesters[2].semesterId, "Język polski", .0, .0, .0)) to listOf(getSummary(semesters[2].semesterId, "Język polski", 2.5))
+        }
 
-        assertEquals(2, averages.size)
-        assertEquals(3.0, averages["Matematyka"])
-        assertEquals(3.25, averages["Fizyka"])
-    }
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, false).getResult() }
 
-    @Test(expected = IllegalArgumentException::class)
-    fun incorrectAverageModeTest() {
-        doReturn("test_mode").`when`(preferencesRepository).gradeAverageMode
-
-        gradeAverageProvider.getGradeAverage(student, semesters, semesters[2].semesterId, true).blockingGet()
+        assertEquals(3.5, items.single { it.subject == "Język polski" }.average, .0)
     }
 
     @Test
-    fun onlyOneSemester_averageFromSummary() {
-        doReturn("all_year").`when`(preferencesRepository).gradeAverageMode
-        doReturn(Single.just(firstGrades)).`when`(gradeRepository).getGrades(student, semesters[1], false)
-        doReturn(Single.just(listOf(
-            getSummary(22, "Matematyka", 3.1),
-            getSummary(22, "Fizyka", 3.26)
-        ))).`when`(gradeSummaryRepository).getGradesSummary(semesters[2], true)
+    fun `calc both semesters average with no grade in second semester but with average in first semester`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
 
-        val averages = gradeAverageProvider.getGradeAverage(student, semesters, semesters[2].semesterId, true)
-            .blockingGet()
+        coEvery { gradeRepository.getGrades(student, semesters[1], false) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+        coEvery { gradeRepository.getGrades(student, semesters[2], false) } returns flowWithResource { emptyList<Grade>() to listOf(getSummary(24, "Język polski", .0))}
 
-        assertEquals(2, averages.size)
-        assertEquals(3.1, averages["Matematyka"])
-        assertEquals(3.26, averages["Fizyka"])
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, false).getResult() }
+
+        assertEquals(3.49, items.single { it.subject == "Język polski" }.average, .0)
     }
 
     @Test
-    fun onlyOneSemester_averageFromSummary_forceCalc() {
-        doReturn(true).`when`(preferencesRepository).gradeAverageForceCalc
-        doReturn("all_year").`when`(preferencesRepository).gradeAverageMode
-        doReturn(Single.just(firstGrades)).`when`(gradeRepository).getGrades(student, semesters[1], false)
-        doReturn(Single.just(listOf(
-            getSummary(22, "Matematyka", 3.1),
-            getSummary(22, "Fizyka", 3.26)
-        ))).`when`(gradeSummaryRepository).getGradesSummary(semesters[2], true)
+    fun `force calc average on no grades`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
 
-        val averages = gradeAverageProvider.getGradeAverage(student, semesters, semesters[2].semesterId, true)
-            .blockingGet()
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { emptyList<Grade>() to emptyList() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { emptyList<Grade>() to emptyList() }
 
-        assertEquals(2, averages.size)
-        assertEquals(3.0, averages["Matematyka"])
-        assertEquals(3.25, averages["Fizyka"])
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(0, items.size)
     }
 
-    private fun getGrade(semesterId: Int, subject: String, value: Int): Grade {
+    @Test
+    fun `force calc current semester average with default modifiers in scraper mode`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(3.5, items.single { it.subject == "Język polski" }.average, .0) // from details and after set custom plus/minus
+    }
+
+    @Test
+    fun `force calc current semester average with custom modifiers in scraper mode`() {
+        val student = student.copy(loginMode = Sdk.Mode.SCRAPPER.name)
+
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeMinusModifier } returns .33
+        every { preferencesRepository.gradePlusModifier } returns .33
+
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(3.5, items.single { it.subject == "Język polski" }.average, .0) // from details and after set custom plus/minus
+    }
+
+    @Test
+    fun `force calc current semester average with custom modifiers in api mode`() {
+        val student = student.copy(loginMode = Sdk.Mode.API.name)
+
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeMinusModifier } returns .33  // useless in this mode
+        every { preferencesRepository.gradePlusModifier } returns .33
+
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(3.375, items.single { it.subject == "Język polski" }.average, .0) // (from details): 3.375
+    }
+
+    @Test
+    fun `force calc current semester average with custom modifiers in hybrid mode`() {
+        val student = student.copy(loginMode = Sdk.Mode.HYBRID.name)
+
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeMinusModifier } returns .33 // useless in this mode
+        every { preferencesRepository.gradePlusModifier } returns .33
+
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGradeWithModifier to secondSummariesWithModifier }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(3.375, items.single { it.subject == "Język polski" }.average, .0) // (from details): 3.375
+    }
+
+    @Test
+    fun `calc current semester average`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to secondSummaries }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(2.9, items.single { it.subject == "Matematyka" }.average, .0) // from summary: 2,9
+        assertEquals(3.4, items.single { it.subject == "Fizyka" }.average, .0) // from details: 3,4
+    }
+
+    @Test
+    fun `force calc current semester average`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ONE_SEMESTER
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to secondSummaries }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(2.5, items.single { it.subject == "Matematyka" }.average, .0) // from details: 2,5
+        assertEquals(3.0, items.single { it.subject == "Fizyka" }.average, .0) // from details: 3,0
+    }
+
+    @Test
+    fun `force calc full year average when current is first`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to firstSummaries }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[1].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.5, items.single { it.subject == "Matematyka" }.average, .0) // (from summary): 3,5
+        assertEquals(3.5, items.single { it.subject == "Fizyka" }.average, .0) // (from summary): 3,5
+    }
+
+    @Test
+    fun `calc full year average when current is first with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to firstSummaries))
+            emit(Resource.success(firstGrades to firstSummaries))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[1].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.5, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from summary): 3,5
+        assertEquals(3.5, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from summary): 3,5
+    }
+
+    @Test
+    fun `calc both semesters average`() {
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            firstGrades to listOf(
+                getSummary(22, "Matematyka", 3.0),
+                getSummary(22, "Fizyka", 3.5)
+            )
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            secondGrades to listOf(
+                getSummary(22, "Matematyka", 3.5),
+                getSummary(22, "Fizyka", 4.0)
+            )
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.25, items.single { it.subject == "Matematyka" }.average, .0) // (from summaries ↑): 3,0 + 3,5 → 3,25
+        assertEquals(3.75, items.single { it.subject == "Fizyka" }.average, .0) // (from summaries ↑): 3,5 + 4,0 → 3,75
+    }
+
+    @Test
+    fun `calc both semesters average when current is second with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to listOf(
+                getSummary(22, "Matematyka", 3.0),
+                getSummary(22, "Fizyka", 3.5)
+            )))
+            emit(Resource.success(firstGrades to listOf(
+                getSummary(22, "Matematyka", 3.0),
+                getSummary(22, "Fizyka", 3.5)
+            )))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGrades to listOf(
+                getSummary(22, "Matematyka", 3.5),
+                getSummary(22, "Fizyka", 4.0)
+            )))
+            emit(Resource.success(secondGrades to listOf(
+                getSummary(22, "Matematyka", 3.5),
+                getSummary(22, "Fizyka", 4.0)
+            )))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.25, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from summaries ↑): 3,0 + 3,5 → 3,25
+        assertEquals(3.75, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from summaries ↑): 3,5 + 4,0 → 3,75
+    }
+
+    @Test
+    fun `force calc full year average`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to firstSummaries }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            secondGrades to listOf(
+                getSummary(22, "Matematyka", 1.1),
+                getSummary(22, "Fizyka", 7.26)
+            )
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.0, items.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
+    @Test
+    fun `calc full year average when current is second with load from cache sequence`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(firstGrades to firstSummaries))
+            emit(Resource.success(firstGrades to firstSummaries))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flow {
+            emit(Resource.loading())
+            emit(Resource.loading(secondGrades to listOf(
+                getSummary(22, "Matematyka", 1.1),
+                getSummary(22, "Fizyka", 7.26)
+            )))
+            emit(Resource.success(secondGrades to listOf(
+                getSummary(22, "Matematyka", 1.1),
+                getSummary(22, "Fizyka", 7.26)
+            )))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).toList() }
+
+        with(items[0]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(null, data)
+        }
+        with(items[1]) {
+            assertEquals(Status.LOADING, status)
+            assertEquals(2, data!!.size)
+        }
+        with(items[2]) {
+            assertEquals(Status.SUCCESS, status)
+            assertEquals(2, data!!.size)
+        }
+
+        assertEquals(2, items[2].data!!.size)
+        assertEquals(3.0, items[2].data!!.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items[2].data!!.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
+    @Test
+    fun `calc both semesters average when no summaries`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList() }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.0, items.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5 + 3,0 → 3,25
+    }
+
+    @Test
+    fun `force calc full year average when no summaries`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to emptyList() }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to emptyList() }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.0, items.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
+    @Test
+    fun `calc both semesters average when missing summaries in both semesters`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            firstGrades to listOf(
+                getSummary(22, "Matematyka", 4.0)
+            )
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            secondGrades to listOf(
+                getSummary(23, "Matematyka", 3.0)
+            )
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.5, items.single { it.subject == "Matematyka" }.average, .0) // (from summaries ↑): 4,0 + 3,0 → 3,5
+        assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
+    @Test
+    fun `calc both semesters average when missing summary in second semester`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to firstSummaries }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to secondSummaries.dropLast(1) }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.4, items.single { it.subject == "Matematyka" }.average, .0) // (from summaries): 3,9 + 2,9 → 3,4
+        assertEquals(3.05, items.single { it.subject == "Fizyka" }.average, .0) // 3,1 (from summary) + 3,0 (from details) → 3,05
+    }
+
+    @Test
+    fun `calc both semesters average when missing summary in first semester`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns false
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to firstSummaries.dropLast(1) }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to secondSummaries }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.4, items.single { it.subject == "Matematyka" }.average, .0) // (from summaries): 3,9 + 2,9 → 3,4
+        assertEquals(3.45, items.single { it.subject == "Fizyka" }.average, .0) // 3,5 (from details) + 3,4 (from summary) → 3,45
+    }
+
+    @Test
+    fun `force calc full year average when missing summary in first semester`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource { firstGrades to firstSummaries.dropLast(1) }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource { secondGrades to secondSummaries }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(2, items.size)
+        assertEquals(3.0, items.single { it.subject == "Matematyka" }.average, .0) // (from details): 3,5 + 2,5 → 3,0
+        assertEquals(3.25, items.single { it.subject == "Fizyka" }.average, .0) // (from details): 3,5  + 3,0 → 3,25
+    }
+
+    @Test
+    fun `force calc both semesters average with different average from all grades and from two semesters`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            listOf(
+                getGrade(22, "Fizyka", 5.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 5.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 22, subject = "Fizyka", average = .0))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            listOf(
+                getGrade(23, "Fizyka", 5.0, weight = 1.0),
+                getGrade(23, "Fizyka", 5.0, weight = 2.0),
+                getGrade(23, "Fizyka", 4.0, modifier = 0.3, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 23, subject = "Fizyka", average = .0))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(5.2296, items.single { it.subject == "Fizyka" }.average, .0001) // (from details): 5.72727272 + 4,732 → 5.229636363636364
+    }
+
+    @Test
+    fun `force calc full year average with different average from all grades and from two semesters`() {
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            listOf(
+                getGrade(22, "Fizyka", 5.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 5.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 22, subject = "Fizyka", average = .0))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            listOf(
+                getGrade(23, "Fizyka", 5.0, weight = 1.0),
+                getGrade(23, "Fizyka", 5.0, weight = 2.0),
+                getGrade(23, "Fizyka", 4.0, modifier = 0.3, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 23, subject = "Fizyka", average = .0))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(5.5429, items.single { it.subject == "Fizyka" }.average, .0001) // (from details): 5.72727272 + 4,732 → .average()
+    }
+
+    @Test
+    fun `force calc both semesters average with different average from all grades and from two semesters with custom modifiers`() {
+        val student = student.copy(loginMode = Sdk.Mode.SCRAPPER.name)
+
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeMinusModifier } returns .33
+        every { preferencesRepository.gradePlusModifier } returns .5
+
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.BOTH_SEMESTERS
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            listOf(
+                getGrade(22, "Fizyka", 5.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 5.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 22, subject = "Fizyka", average = .0))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            listOf(
+                getGrade(23, "Fizyka", 5.0, weight = 1.0),
+                getGrade(23, "Fizyka", 5.0, weight = 2.0),
+                getGrade(23, "Fizyka", 4.0, modifier = 0.33, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 23, subject = "Fizyka", average = .0))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(5.2636, items.single { it.subject == "Fizyka" }.average, .0001) // (from details): 5.72727272 + 4,8 → 5.26363636
+    }
+
+    @Test
+    fun `force calc full year average with different average from all grades and from two semesters with custom modifiers`() {
+        val student = student.copy(loginMode = Sdk.Mode.SCRAPPER.name)
+
+        every { preferencesRepository.gradeAverageForceCalc } returns true
+        every { preferencesRepository.gradeMinusModifier } returns .33
+        every { preferencesRepository.gradePlusModifier } returns .5
+
+        every { preferencesRepository.gradeAverageMode } returns GradeAverageMode.ALL_YEAR
+        coEvery { semesterRepository.getSemesters(student) } returns semesters
+
+        coEvery { gradeRepository.getGrades(student, semesters[1], true) } returns flowWithResource {
+            listOf(
+                getGrade(22, "Fizyka", 5.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 5.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 4.0),
+                getGrade(22, "Fizyka", 6.0, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 22, subject = "Fizyka", average = .0))
+        }
+        coEvery { gradeRepository.getGrades(student, semesters[2], true) } returns flowWithResource {
+            listOf(
+                getGrade(23, "Fizyka", 5.0, weight = 1.0),
+                getGrade(23, "Fizyka", 5.0, weight = 2.0),
+                getGrade(23, "Fizyka", 4.0, modifier = 0.33, weight = 2.0)
+            ) to listOf(getSummary(semesterId = 23, subject = "Fizyka", average = .0))
+        }
+
+        val items = runBlocking { gradeAverageProvider.getGradesDetailsWithAverage(student, semesters[2].semesterId, true).getResult() }
+
+        assertEquals(5.5555, items.single { it.subject == "Fizyka" }.average, .0001) // (from details): 5.72727272  + 4,8 → .average()
+    }
+
+    private fun getGrade(semesterId: Int, subject: String, value: Double, modifier: Double = 0.0, weight: Double = 1.0): Grade {
         return Grade(
             studentId = 101,
             semesterId = semesterId,
             subject = subject,
             value = value,
-            modifier = .0,
-            weightValue = 1.0,
+            modifier = modifier,
+            weightValue = weight,
             teacher = "",
             date = now(),
             weight = "",
@@ -166,12 +738,12 @@ class GradeAverageProviderTest {
         )
     }
 
-    private fun getSummary(semesterId: Int, subject: String, value: Double): GradeSummary {
+    private fun getSummary(semesterId: Int, subject: String, average: Double): GradeSummary {
         return GradeSummary(
             studentId = 101,
             semesterId = semesterId,
             subject = subject,
-            average = value,
+            average = average,
             pointsSum = "",
             proposedPoints = "",
             finalPoints = "",
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
index 75b7327a0..35cda35bd 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
@@ -1,56 +1,55 @@
 package io.github.wulkanowy.ui.modules.login
 
-import io.github.wulkanowy.TestSchedulersProvider
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.mockk.MockKAnnotations
+import io.mockk.clearMocks
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.verify
 import org.junit.Assert.assertNotEquals
 import org.junit.Before
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.clearInvocations
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
 
 class LoginPresenterTest {
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var loginView: LoginView
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var errorHandler: LoginErrorHandler
 
-    @Mock
+    @MockK
     lateinit var studentRepository: StudentRepository
 
     private lateinit var presenter: LoginPresenter
 
     @Before
     fun initPresenter() {
-        MockitoAnnotations.initMocks(this)
-        clearInvocations(loginView)
+        MockKAnnotations.init(this)
+        clearMocks(loginView)
 
-        presenter = LoginPresenter(TestSchedulersProvider(), errorHandler, studentRepository)
+        presenter = LoginPresenter(errorHandler, studentRepository)
         presenter.onAttachView(loginView)
     }
 
     @Test
     fun initViewTest() {
-        verify(loginView).initAdapter()
-        verify(loginView).showActionBar(false)
+        verify { loginView.initView() }
+        verify { loginView.showActionBar(false) }
     }
 
     @Test
     fun onBackPressedTest() {
-        clearInvocations(loginView)
-        doReturn(1).`when`(loginView).currentViewIndex
+        clearMocks(loginView)
+        every { loginView.currentViewIndex } returns 1
         presenter.onBackPressed { }
-        verify(loginView).switchView(0)
+        verify { loginView.switchView(0) }
     }
 
     @Test
     fun onBackPressedDefaultTest() {
         var i = 0
-        doReturn(0).`when`(loginView).currentViewIndex
+        every { loginView.currentViewIndex } returns 0
         presenter.onBackPressed { i++ }
         assertNotEquals(0, i)
     }
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
index 453adfba0..67d3e6266 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
@@ -1,160 +1,203 @@
 package io.github.wulkanowy.ui.modules.login.form
 
-import io.github.wulkanowy.TestSchedulersProvider
+import io.github.wulkanowy.MainCoroutineRule
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.reactivex.Single
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.just
+import io.mockk.verify
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
-import org.mockito.ArgumentMatchers.anyString
-import org.mockito.Mock
-import org.mockito.Mockito.`when`
-import org.mockito.Mockito.clearInvocations
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.never
-import org.mockito.Mockito.times
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
-import org.threeten.bp.LocalDateTime.now
+import java.io.IOException
+import java.time.LocalDateTime.now
 
 class LoginFormPresenterTest {
 
-    @Mock
+    @get:Rule
+    val coroutineRule = MainCoroutineRule()
+
+    @MockK(relaxed = true)
     lateinit var loginFormView: LoginFormView
 
-    @Mock
+    @MockK
     lateinit var repository: StudentRepository
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var errorHandler: LoginErrorHandler
 
-    @Mock
-    lateinit var analytics: FirebaseAnalyticsHelper
-
-    @Mock
-    lateinit var appInfo: AppInfo
+    @MockK(relaxed = true)
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: LoginFormPresenter
 
     @Before
-    fun initPresenter() {
-        MockitoAnnotations.initMocks(this)
-        clearInvocations(repository, loginFormView)
-        presenter = LoginFormPresenter(TestSchedulersProvider(), repository, errorHandler, analytics, appInfo)
+    fun setUp() {
+        MockKAnnotations.init(this)
+
+        every { loginFormView.initView() } just Runs
+        every { loginFormView.showContact(any()) } just Runs
+        every { loginFormView.showVersion() } just Runs
+        every { loginFormView.showProgress(any()) } just Runs
+        every { loginFormView.showContent(any()) } just Runs
+        every { loginFormView.formHostSymbol } returns "Default"
+        every { loginFormView.setErrorPassInvalid(any()) } just Runs
+        every { loginFormView.setErrorPassRequired(any()) } just Runs
+        every { loginFormView.setErrorUsernameRequired() } just Runs
+
+        presenter = LoginFormPresenter(repository, errorHandler, analytics)
         presenter.onAttachView(loginFormView)
     }
 
     @Test
     fun initViewTest() {
-        verify(loginFormView).initView()
+        verify { loginFormView.initView() }
     }
 
     @Test
     fun emptyNicknameLoginTest() {
-        `when`(loginFormView.formNameValue).thenReturn("")
-        `when`(loginFormView.formPassValue).thenReturn("test123")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        every { loginFormView.formUsernameValue } returns ""
+        every { loginFormView.formPassValue } returns "test123"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
         presenter.onSignInClick()
 
-        verify(loginFormView).setErrorNameRequired()
-        verify(loginFormView, never()).setErrorPassRequired(false)
-        verify(loginFormView, never()).setErrorPassInvalid(false)
+        verify { loginFormView.setErrorUsernameRequired() }
+        verify(exactly = 0) { loginFormView.setErrorPassRequired(true) }
+        verify(exactly = 0) { loginFormView.setErrorPassInvalid(false) }
+    }
+
+    @Test
+    fun invalidEmailLoginTest() {
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123456"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/"
+        presenter.onSignInClick()
+
+        verify { loginFormView.setErrorEmailInvalid("fakelog.cf") }
     }
 
     @Test
     fun emptyPassLoginTest() {
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns ""
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
         presenter.onSignInClick()
 
-        verify(loginFormView, never()).setErrorNameRequired()
-        verify(loginFormView).setErrorPassRequired(true)
-        verify(loginFormView, never()).setErrorPassInvalid(false)
+        verify(exactly = 0) { loginFormView.setErrorUsernameRequired() }
+        verify { loginFormView.setErrorPassRequired(true) }
+        verify(exactly = 0) { loginFormView.setErrorPassInvalid(false) }
     }
 
     @Test
     fun invalidPassLoginTest() {
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("123")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
         presenter.onSignInClick()
 
-        verify(loginFormView, never()).setErrorNameRequired()
-        verify(loginFormView, never()).setErrorPassRequired(true)
-        verify(loginFormView).setErrorPassInvalid(true)
+        verify(exactly = 0) { loginFormView.setErrorUsernameRequired() }
+        verify(exactly = 0) { loginFormView.setErrorPassRequired(true) }
+        verify { loginFormView.setErrorPassInvalid(true) }
     }
 
     @Test
     fun loginTest() {
-        val studentTest = Student(email = "test@", password = "123", endpoint = "https://fakelog.cf", loginType = "AUTO", studentName = "", schoolSymbol = "", schoolName = "", studentId = 0, classId = 1, isCurrent = false, symbol = "", registrationDate = now(), className = "")
-        doReturn(Single.just(listOf(studentTest)))
-            .`when`(repository).getStudents(anyString(), anyString(), anyString(), anyString())
+        val studentTest = Student(
+            email = "test@",
+            password = "123",
+            scrapperBaseUrl = "https://fakelog.cf/?email",
+            loginType = "AUTO",
+            studentName = "",
+            schoolSymbol = "",
+            schoolName = "",
+            studentId = 0,
+            classId = 1,
+            isCurrent = false,
+            symbol = "",
+            registrationDate = now(),
+            className = "",
+            mobileBaseUrl = "",
+            privateKey = "",
+            certificateKey = "",
+            loginMode = "",
+            userLoginId = 0,
+            schoolShortName = "",
+            isParent = false,
+            userName = ""
+        )
+        coEvery { repository.getStudentsScrapper(any(), any(), any(), any()) } returns listOf(
+            StudentWithSemesters(studentTest, emptyList())
+        )
 
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("123456")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123456"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
+        every { loginFormView.formHostSymbol } returns "Default"
         presenter.onSignInClick()
 
-        verify(loginFormView).hideSoftKeyboard()
-        verify(loginFormView).showProgress(true)
-        verify(loginFormView).showProgress(false)
-        verify(loginFormView).showContent(false)
-        verify(loginFormView).showContent(true)
+        verify { loginFormView.hideSoftKeyboard() }
+        verify { loginFormView.showProgress(true) }
+        verify { loginFormView.showProgress(false) }
+        verify { loginFormView.showContent(false) }
+        verify { loginFormView.showContent(true) }
     }
 
     @Test
     fun loginEmptyTest() {
-        doReturn(Single.just(emptyList<Student>()))
-            .`when`(repository).getStudents(anyString(), anyString(), anyString(), anyString())
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("123456")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        coEvery { repository.getStudentsScrapper(any(), any(), any(), any()) } returns listOf()
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123456"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
+        every { loginFormView.formHostSymbol } returns "Default"
         presenter.onSignInClick()
 
-        verify(loginFormView).hideSoftKeyboard()
-        verify(loginFormView).showProgress(true)
-        verify(loginFormView).showProgress(false)
-        verify(loginFormView).showContent(false)
-        verify(loginFormView).showContent(true)
+        verify { loginFormView.showContent(false) }
+        verify { loginFormView.showProgress(true) }
+        verify { loginFormView.showProgress(false) }
+        verify { loginFormView.showContent(false) }
+        verify { loginFormView.showContent(true) }
     }
 
     @Test
     fun loginEmptyTwiceTest() {
-        doReturn(Single.just(emptyList<Student>()))
-            .`when`(repository).getStudents(anyString(), anyString(), anyString(), anyString())
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("123456")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        coEvery { repository.getStudentsScrapper(any(), any(), any(), any()) } returns listOf()
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123456"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
+        every { loginFormView.formHostSymbol } returns "Default"
         presenter.onSignInClick()
         presenter.onSignInClick()
 
-        verify(loginFormView, times(2)).hideSoftKeyboard()
-        verify(loginFormView, times(2)).showProgress(true)
-        verify(loginFormView, times(2)).showProgress(false)
-        verify(loginFormView, times(2)).showContent(false)
-        verify(loginFormView, times(2)).showContent(true)
+        verify(exactly = 2) { loginFormView.hideSoftKeyboard() }
+        verify(exactly = 2) { loginFormView.showProgress(true) }
+        verify(exactly = 2) { loginFormView.showProgress(false) }
+        verify(exactly = 2) { loginFormView.showContent(false) }
+        verify(exactly = 2) { loginFormView.showContent(true) }
     }
 
     @Test
     fun loginErrorTest() {
-        val testException = RuntimeException("test")
-        doReturn(Single.error<List<Student>>(testException))
-            .`when`(repository).getStudents(anyString(), anyString(), anyString(), anyString())
-        `when`(loginFormView.formNameValue).thenReturn("@")
-        `when`(loginFormView.formPassValue).thenReturn("123456")
-        `when`(loginFormView.formHostValue).thenReturn("https://fakelog.cf")
+        val testException = IOException("test")
+        coEvery { repository.getStudentsScrapper(any(), any(), any(), any()) } throws testException
+        every { loginFormView.formUsernameValue } returns "@"
+        every { loginFormView.formPassValue } returns "123456"
+        every { loginFormView.formHostValue } returns "https://fakelog.cf/?email"
+        every { loginFormView.formHostSymbol } returns "Default"
+        every { loginFormView.showProgress(any()) } just Runs
+        every { loginFormView.showProgress(any()) } just Runs
         presenter.onSignInClick()
 
-        verify(loginFormView).hideSoftKeyboard()
-        verify(loginFormView).showProgress(true)
-        verify(loginFormView).showProgress(false)
-        verify(loginFormView).showContent(false)
-        verify(loginFormView).showContent(true)
-        verify(errorHandler).dispatch(testException)
+        verify { loginFormView.hideSoftKeyboard() }
+        verify { loginFormView.showProgress(false) }
+        verify { loginFormView.showContent(false) }
+        verify { loginFormView.showContent(true) }
+        verify { errorHandler.dispatch(match { it.message == testException.message }) }
     }
 }
-
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
index 16bcdebe8..9e34235e7 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
@@ -1,73 +1,137 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
-import io.github.wulkanowy.TestSchedulersProvider
+import io.github.wulkanowy.MainCoroutineRule
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.reactivex.Completable
-import io.reactivex.Single
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.clearMocks
+import io.mockk.coEvery
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.just
+import io.mockk.verify
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.clearInvocations
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
-import org.threeten.bp.LocalDateTime.now
+import java.time.LocalDateTime.now
 
 class LoginStudentSelectPresenterTest {
 
-    @Mock
+    @get:Rule
+    val coroutineRule = MainCoroutineRule()
+
+    @MockK(relaxed = true)
     lateinit var errorHandler: LoginErrorHandler
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var loginStudentSelectView: LoginStudentSelectView
 
-    @Mock
+    @MockK
     lateinit var studentRepository: StudentRepository
 
-    @Mock
-    lateinit var analytics: FirebaseAnalyticsHelper
+    @MockK(relaxed = true)
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: LoginStudentSelectPresenter
 
-    private val testStudent by lazy { Student(email = "test", password = "test123", endpoint = "https://fakelog.cf", loginType = "AUTO", symbol = "", isCurrent = false, studentId = 0, schoolName = "", schoolSymbol = "", classId = 1, studentName = "", registrationDate = now(), className = "") }
+    private val testStudent by lazy {
+        Student(
+            email = "test",
+            password = "test123",
+            scrapperBaseUrl = "https://fakelog.cf",
+            loginType = "AUTO",
+            symbol = "",
+            isCurrent = false,
+            studentId = 0,
+            schoolName = "",
+            schoolSymbol = "",
+            classId = 1,
+            studentName = "",
+            registrationDate = now(),
+            className = "",
+            loginMode = "",
+            certificateKey = "",
+            privateKey = "",
+            mobileBaseUrl = "",
+            schoolShortName = "",
+            userLoginId = 1,
+            isParent = false,
+            userName = ""
+        )
+    }
 
     private val testException by lazy { RuntimeException("Problem") }
 
     @Before
-    fun initPresenter() {
-        MockitoAnnotations.initMocks(this)
-        clearInvocations(studentRepository, loginStudentSelectView)
-        presenter = LoginStudentSelectPresenter(TestSchedulersProvider(), studentRepository, errorHandler, analytics)
+    fun setUp() {
+        MockKAnnotations.init(this)
+
+        clearMocks(studentRepository, loginStudentSelectView)
+        every { loginStudentSelectView.initView() } just Runs
+        every { loginStudentSelectView.showContact(any()) } just Runs
+        every { loginStudentSelectView.enableSignIn(any()) } just Runs
+        every { loginStudentSelectView.showProgress(any()) } just Runs
+        every { loginStudentSelectView.showContent(any()) } just Runs
+
+        presenter = LoginStudentSelectPresenter(studentRepository, errorHandler, analytics)
         presenter.onAttachView(loginStudentSelectView, null)
     }
 
     @Test
     fun initViewTest() {
-        verify(loginStudentSelectView).initView()
+        verify { loginStudentSelectView.initView() }
     }
 
     @Test
     fun onSelectedStudentTest() {
-        doReturn(Single.just(listOf(1L))).`when`(studentRepository).saveStudents(listOf(testStudent))
-        doReturn(Completable.complete()).`when`(studentRepository).switchStudent(testStudent)
-        presenter.onItemSelected(LoginStudentSelectItem(testStudent))
+        coEvery {
+            studentRepository.saveStudents(
+                listOf(
+                    StudentWithSemesters(
+                        testStudent,
+                        emptyList()
+                    )
+                )
+            )
+        } returns listOf(1L)
+        coEvery {
+            studentRepository.switchStudent(
+                StudentWithSemesters(
+                    testStudent,
+                    emptyList()
+                )
+            )
+        } just Runs
+        every { loginStudentSelectView.openMainView() } just Runs
+        presenter.onItemSelected(StudentWithSemesters(testStudent, emptyList()), false)
         presenter.onSignIn()
-        verify(loginStudentSelectView).showContent(false)
-        verify(loginStudentSelectView).showProgress(true)
-        verify(loginStudentSelectView).openMainView()
+
+        verify { loginStudentSelectView.showContent(false) }
+        verify { loginStudentSelectView.showProgress(true) }
+        verify { loginStudentSelectView.openMainView() }
     }
 
     @Test
     fun onSelectedStudentErrorTest() {
-        doReturn(Single.error<Student>(testException)).`when`(studentRepository).saveStudents(listOf(testStudent))
-        doReturn(Completable.complete()).`when`(studentRepository).logoutStudent(testStudent)
-        presenter.onItemSelected(LoginStudentSelectItem(testStudent))
+        coEvery {
+            studentRepository.saveStudents(
+                listOf(
+                    StudentWithSemesters(
+                        testStudent,
+                        emptyList()
+                    )
+                )
+            )
+        } throws testException
+        coEvery { studentRepository.logoutStudent(testStudent) } just Runs
+        presenter.onItemSelected(StudentWithSemesters(testStudent, emptyList()), false)
         presenter.onSignIn()
-        verify(loginStudentSelectView).showContent(false)
-        verify(loginStudentSelectView).showProgress(true)
-        verify(errorHandler).dispatch(testException)
+        verify { loginStudentSelectView.showContent(false) }
+        verify { loginStudentSelectView.showProgress(true) }
+        verify { errorHandler.dispatch(match { testException.message == it.message }) }
     }
 }
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
index 936098970..2c44e9fad 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
@@ -1,58 +1,67 @@
 package io.github.wulkanowy.ui.modules.main
 
-import io.github.wulkanowy.TestSchedulersProvider
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.mockk.MockKAnnotations
+import io.mockk.Runs
+import io.mockk.clearMocks
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.just
+import io.mockk.verify
 import org.junit.Before
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.clearInvocations
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
 
 class MainPresenterTest {
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var errorHandler: ErrorHandler
 
-    @Mock
+    @MockK
     lateinit var studentRepository: StudentRepository
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var prefRepository: PreferencesRepository
 
-    @Mock
+    @MockK(relaxed = true)
     lateinit var syncManager: SyncManager
 
-    @Mock
+    @MockK
     lateinit var mainView: MainView
 
-    @Mock
-    lateinit var analytics: FirebaseAnalyticsHelper
+    @MockK(relaxed = true)
+    lateinit var analytics: AnalyticsHelper
 
     private lateinit var presenter: MainPresenter
 
     @Before
     fun initPresenter() {
-        MockitoAnnotations.initMocks(this)
-        clearInvocations(mainView)
+        MockKAnnotations.init(this)
+        clearMocks(mainView)
 
-        presenter = MainPresenter(TestSchedulersProvider(), errorHandler, studentRepository, prefRepository, syncManager, analytics)
+        every { mainView.startMenuIndex = any() } just Runs
+        every { mainView.startMenuMoreIndex = any() } just Runs
+        every { mainView.startMenuIndex } returns 1
+        every { mainView.startMenuMoreIndex } returns 1
+        every { mainView.initView() } just Runs
+        presenter = MainPresenter(errorHandler, studentRepository, prefRepository, syncManager, analytics)
         presenter.onAttachView(mainView, null)
     }
 
     @Test
     fun initMenuTest() {
-        verify(mainView).initView()
+        verify { mainView.initView() }
     }
 
     @Test
     fun onTabSelectedTest() {
+        every { mainView.notifyMenuViewChanged() } just Runs
+
+        every { mainView.switchMenuView(1) } just Runs
         presenter.onTabSelected(1, false)
-        verify(mainView).switchMenuView(1)
+        verify { mainView.switchMenuView(1) }
     }
 }
-
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
index 34d0ce5cb..48c2aa9c3 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
@@ -1,46 +1,64 @@
 package io.github.wulkanowy.ui.modules.splash
 
-import io.github.wulkanowy.TestSchedulersProvider
-import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.MainCoroutineRule
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.reactivex.Single
+import io.github.wulkanowy.utils.AppInfo
+import io.mockk.MockKAnnotations
+import io.mockk.coEvery
+import io.mockk.every
+import io.mockk.impl.annotations.MockK
+import io.mockk.verify
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.Mockito.doReturn
-import org.mockito.Mockito.verify
-import org.mockito.MockitoAnnotations
 
 class SplashPresenterTest {
 
-    @Mock
+    @get:Rule
+    val coroutineRule = MainCoroutineRule()
+
+    @MockK(relaxed = true)
     lateinit var splashView: SplashView
 
-    @Mock
+    @MockK
     lateinit var studentRepository: StudentRepository
 
-    @Mock
+    @MockK
+    lateinit var preferencesRepository: PreferencesRepository
+
+    @MockK
+    lateinit var appInfo: AppInfo
+
+    @MockK(relaxed = true)
     lateinit var errorHandler: ErrorHandler
 
     private lateinit var presenter: SplashPresenter
 
     @Before
-    fun initPresenter() {
-        MockitoAnnotations.initMocks(this)
-        presenter = SplashPresenter(TestSchedulersProvider(), errorHandler, studentRepository)
+    fun setUp() {
+        MockKAnnotations.init(this)
+        presenter = SplashPresenter(errorHandler, studentRepository, preferencesRepository, appInfo)
     }
 
     @Test
     fun testOpenLoginView() {
-        doReturn(Single.just(false)).`when`(studentRepository).isCurrentStudentSet()
-        presenter.onAttachView(splashView)
-        verify(splashView).openLoginView()
+        every { appInfo.systemVersion } returns 30
+        every { preferencesRepository.isKitkatDialogDisabled } returns true
+        coEvery { studentRepository.isCurrentStudentSet() } returns false
+
+        presenter.onAttachView(splashView, null)
+        verify { splashView.openLoginView() }
     }
 
     @Test
     fun testMainMainView() {
-        doReturn(Single.just(true)).`when`(studentRepository).isCurrentStudentSet()
-        presenter.onAttachView(splashView)
-        verify(splashView).openMainView()
+        every { appInfo.systemVersion } returns 30
+        every { preferencesRepository.isKitkatDialogDisabled } returns true
+        coEvery { studentRepository.isCurrentStudentSet() } returns true
+
+        presenter.onAttachView(splashView, null)
+        verify { splashView.openMainView() }
     }
 }
diff --git a/app/src/test/java/io/github/wulkanowy/utils/FlowUtilsKtTest.kt b/app/src/test/java/io/github/wulkanowy/utils/FlowUtilsKtTest.kt
new file mode 100644
index 000000000..375a24038
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/utils/FlowUtilsKtTest.kt
@@ -0,0 +1,192 @@
+package io.github.wulkanowy.utils
+
+import io.mockk.Runs
+import io.mockk.coEvery
+import io.mockk.coVerifyOrder
+import io.mockk.just
+import io.mockk.mockk
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.test.TestCoroutineScope
+import org.junit.Test
+import kotlin.test.assertEquals
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class FlowUtilsKtTest {
+
+    private val testScope = TestCoroutineScope()
+
+    @Test
+    fun `fetch from two places with same remote data`() {
+        val repo = mockk<TestRepo>()
+        coEvery { repo.query() } returnsMany listOf(
+            // initial data
+            flowOf(listOf(1, 2, 3)),
+            flowOf(listOf(1, 2, 3)),
+
+            // for first
+            flowOf(listOf(1, 2, 3)), // before save
+            flowOf(listOf(2, 3, 4)), // after save
+
+            // for second
+            flowOf(listOf(2, 3, 4)), // before save
+            flowOf(listOf(2, 3, 4)), // after save
+        )
+        coEvery { repo.fetch() } returnsMany listOf(
+            listOf(2, 3, 4),
+            listOf(2, 3, 4),
+        )
+        coEvery { repo.save(any(), any()) } just Runs
+
+        // first
+        networkBoundResource(
+            showSavedOnLoading = false,
+            query = { repo.query() },
+            fetch = {
+                val data = repo.fetch()
+                delay(2_000)
+                data
+            },
+            saveFetchResult = { old, new -> repo.save(old, new) }
+        ).launchIn(testScope)
+
+        testScope.advanceTimeBy(1_000)
+
+        // second
+        networkBoundResource(
+            showSavedOnLoading = false,
+            query = { repo.query() },
+            fetch = {
+                val data = repo.fetch()
+                delay(2_000)
+                data
+            },
+            saveFetchResult = { old, new -> repo.save(old, new) }
+        ).launchIn(testScope)
+
+        testScope.advanceTimeBy(3_000)
+
+        coVerifyOrder {
+            // from first
+            repo.query()
+            repo.fetch() // hang for 2 sec
+
+            // wait 1 sec
+
+            // from second
+            repo.query()
+            repo.fetch() // hang for 2 sec
+
+            // from first
+            repo.query()
+            repo.save(withArg {
+                assertEquals(listOf(1, 2, 3), it)
+            }, any())
+            repo.query()
+
+            // from second
+            repo.query()
+            repo.save(withArg {
+                assertEquals(listOf(2, 3, 4), it)
+            }, any())
+            repo.query()
+        }
+    }
+
+    @Test
+    fun `fetch from two places with same remote data and save at the same moment`() {
+        val repo = mockk<TestRepo>()
+        coEvery { repo.query() } returnsMany listOf(
+            // initial data
+            flowOf(listOf(1, 2, 3)),
+            flowOf(listOf(1, 2, 3)),
+
+            // for first
+            flowOf(listOf(1, 2, 3)), // before save
+            flowOf(listOf(2, 3, 4)), // after save
+
+            // for second
+            flowOf(listOf(2, 3, 4)), // before save
+            flowOf(listOf(2, 3, 4)), // after save
+        )
+        coEvery { repo.fetch() } returnsMany listOf(
+            listOf(2, 3, 4),
+            listOf(2, 3, 4),
+        )
+        coEvery { repo.save(any(), any()) } just Runs
+
+        val saveResultMutex = Mutex()
+
+        // first
+        networkBoundResource(
+            mutex = saveResultMutex,
+            showSavedOnLoading = false,
+            query = { repo.query() },
+            fetch = {
+                val data = repo.fetch()
+                delay(2_000)
+                data
+            },
+            saveFetchResult = { old, new ->
+                delay(1_500)
+                repo.save(old, new)
+            }
+        ).launchIn(testScope)
+
+        testScope.advanceTimeBy(1_000)
+
+        // second
+        networkBoundResource(
+            mutex = saveResultMutex,
+            showSavedOnLoading = false,
+            query = { repo.query() },
+            fetch = {
+                val data = repo.fetch()
+                delay(2_000)
+                data
+            },
+            saveFetchResult = { old, new ->
+                repo.save(old, new)
+            }
+        ).launchIn(testScope)
+
+        testScope.advanceTimeBy(3_000)
+
+        coVerifyOrder {
+            // from first
+            repo.query()
+            repo.fetch() // hang for 2 sec
+
+            // wait 1 sec
+
+            // from second
+            repo.query()
+            repo.fetch() // hang for 2 sec
+
+            // from first
+            repo.query()
+            repo.save(withArg {
+                assertEquals(listOf(1, 2, 3), it)
+            }, any())
+
+            // from second
+            repo.query()
+            repo.save(withArg {
+                assertEquals(listOf(2, 3, 4), it)
+            }, any())
+
+            repo.query()
+            repo.query()
+        }
+    }
+
+    @Suppress("UNUSED_PARAMETER", "RedundantSuspendModifier")
+    private class TestRepo {
+        fun query() = flowOf<List<Int>>()
+        suspend fun fetch() = listOf<Int>()
+        suspend fun save(old: List<Int>, new: List<Int>) {}
+    }
+}
diff --git a/app/src/test/java/io/github/wulkanowy/utils/GradeExtensionTest.kt b/app/src/test/java/io/github/wulkanowy/utils/GradeExtensionTest.kt
index 31618fd4f..958b9169b 100644
--- a/app/src/test/java/io/github/wulkanowy/utils/GradeExtensionTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/utils/GradeExtensionTest.kt
@@ -1,64 +1,74 @@
 package io.github.wulkanowy.utils
 
+import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.GradeSummary
+import io.mockk.MockKAnnotations
+import io.mockk.impl.annotations.MockK
 import org.junit.Assert.assertEquals
 import org.junit.Before
 import org.junit.Test
-import org.mockito.Mock
-import org.mockito.MockitoAnnotations
-import org.threeten.bp.LocalDate
+import java.time.LocalDate
 
 class GradeExtensionTest {
 
-    @Mock
+    @MockK
     lateinit var date: LocalDate
 
     @Before
     fun before() {
-        MockitoAnnotations.initMocks(this)
+        MockKAnnotations.init(this)
     }
 
     @Test
     fun calcWeightedAverage() {
         assertEquals(3.47, listOf(
-            createGrade(5, 6.0, 0.33),
-            createGrade(5, 5.0, -0.33),
-            createGrade(4, 1.0, 0.0),
-            createGrade(1, 9.0, 0.5),
-            createGrade(0, .0, 0.0)
+            createGrade(5.0, 6.0, 0.33),
+            createGrade(5.0, 5.0, -0.33),
+            createGrade(4.0, 1.0, 0.0),
+            createGrade(1.0, 9.0, 0.5),
+            createGrade(0.0, .0, 0.0)
         ).calcAverage(), 0.005)
     }
 
     @Test
     fun calcSummaryAverage() {
-        assertEquals(2.5, listOf(
-            createGradeSummary("5"),
-            createGradeSummary("-5"),
+        assertEquals(3.5, listOf(
+            createGradeSummary("4"),
+            createGradeSummary("5+"),
+            createGradeSummary("5-"),
             createGradeSummary("test"),
             createGradeSummary("0")
-        ).calcAverage(), 0.005)
+        ).calcAverage(0.5, 0.5), 0.005)
     }
 
     @Test
-    fun changeModifier_default() {
-        assertEquals(.33, createGrade(5, .0, .33).changeModifier(.0, .0).modifier, .0)
-        assertEquals(-.33, createGrade(5, .0, -.33).changeModifier(.0, .0).modifier, .0)
+    fun getBackgroundColor() {
+        assertEquals(R.color.grade_material_five, createGrade(5.0).getBackgroundColor("material"))
+        assertEquals(R.color.grade_material_five, createGrade(5.5).getBackgroundColor("material"))
+        assertEquals(R.color.grade_material_five, createGrade(5.9).getBackgroundColor("material"))
+        assertEquals(R.color.grade_vulcan_five, createGrade(5.9).getBackgroundColor("whatever"))
+    }
+
+    @Test
+    fun changeModifier_zero() {
+        assertEquals(.0, createGrade(5.0, .0, .5).changeModifier(.0, .0).modifier, .0)
+        assertEquals(.0, createGrade(5.0, .0, -.5).changeModifier(.0, .0).modifier, .0)
     }
 
     @Test
     fun changeModifier_plus() {
-        assertEquals(.33, createGrade(5, .0, .25).changeModifier(.33, .50).modifier, .0)
-        assertEquals(.25, createGrade(5, .0, .33).changeModifier(.25, .0).modifier, .0)
+        assertEquals(.33, createGrade(5.0, .0, .25).changeModifier(.33, .50).modifier, .0)
+        assertEquals(.25, createGrade(5.0, .0, .33).changeModifier(.25, .0).modifier, .0)
     }
 
     @Test
     fun changeModifier_minus() {
-        assertEquals(-.33, createGrade(5, .0, -.25).changeModifier(.25, .33).modifier, .0)
-        assertEquals(-.25, createGrade(5, .0, -.33).changeModifier(.0, .25).modifier, .0)
+        assertEquals(-.33, createGrade(5.0, .0, -.25).changeModifier(.25, .33).modifier, .0)
+        assertEquals(-.25, createGrade(5.0, .0, -.33).changeModifier(.0, .25).modifier, .0)
     }
 
-    private fun createGrade(value: Int, weightValue: Double = .0, modifier: Double = 0.25): Grade {
+    private fun createGrade(value: Double, weightValue: Double = .0, modifier: Double = 0.25): Grade {
         return Grade(
             semesterId = 1,
             studentId = 1,
diff --git a/app/src/test/java/io/github/wulkanowy/utils/TimeExtensionTest.kt b/app/src/test/java/io/github/wulkanowy/utils/TimeExtensionTest.kt
index 024b4727b..0ffbf78ec 100644
--- a/app/src/test/java/io/github/wulkanowy/utils/TimeExtensionTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/utils/TimeExtensionTest.kt
@@ -4,9 +4,9 @@ import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertTrue
 import org.junit.Test
-import org.threeten.bp.LocalDate.of
-import org.threeten.bp.LocalDateTime
-import org.threeten.bp.Month.JANUARY
+import java.time.LocalDate.of
+import java.time.LocalDateTime
+import java.time.Month.JANUARY
 import java.util.Locale
 
 class TimeExtensionTest {
@@ -38,27 +38,40 @@ class TimeExtensionTest {
     }
 
     @Test
-    fun fridayTest() {
-        assertEquals(of(2018, 10, 5), of(2018, 10, 2).friday)
-        assertEquals(of(2018, 10, 5), of(2018, 10, 5).friday)
-        assertEquals(of(2018, 10, 5), of(2018, 10, 6).friday)
-        assertEquals(of(2018, 10, 5), of(2018, 10, 7).friday)
-        assertEquals(of(2018, 10, 12), of(2018, 10, 8).friday)
+    fun sundayTestTest() {
+        assertEquals(of(2018, 10, 7), of(2018, 10, 2).sunday)
+        assertEquals(of(2018, 10, 7), of(2018, 10, 5).sunday)
+        assertEquals(of(2018, 10, 7), of(2018, 10, 6).sunday)
+        assertEquals(of(2018, 10, 7), of(2018, 10, 7).sunday)
+        assertEquals(of(2018, 10, 14), of(2018, 10, 8).sunday)
     }
 
     @Test
     fun monthNameTest() {
         Locale.setDefault(Locale.forLanguageTag("PL"))
         assertEquals("Styczeń", JANUARY.getFormattedName())
-        Locale.setDefault(Locale.forLanguageTag("US"))
+
+        Locale.setDefault(Locale.forLanguageTag("CS"))
+        assertEquals("Leden", JANUARY.getFormattedName())
+
+        Locale.setDefault(Locale.ENGLISH)
         assertEquals("January", JANUARY.getFormattedName())
+
+        Locale.setDefault(Locale.forLanguageTag("DE"))
+        assertEquals("Januar", JANUARY.getFormattedName())
+
+        Locale.setDefault(Locale.forLanguageTag("RU"))
+        assertEquals("Январь", JANUARY.getFormattedName())
+
+        Locale.setDefault(Locale.forLanguageTag("UK"))
+        assertEquals("Січень", JANUARY.getFormattedName())
     }
 
     @Test
     fun weekDayNameTest() {
         Locale.setDefault(Locale.forLanguageTag("PL"))
         assertEquals("poniedziałek", of(2018, 10, 1).weekDayName)
-        Locale.setDefault(Locale.forLanguageTag("US"))
+        Locale.setDefault(Locale.ENGLISH)
         assertEquals("Monday", of(2018, 10, 1).weekDayName)
     }
 
@@ -171,4 +184,42 @@ class TimeExtensionTest {
         assertEquals(of(2019, 5, 1), of(2019, 5, 1).getLastSchoolDayIfHoliday(2018))
         assertEquals(of(2018, 5, 1), of(2019, 5, 1).getLastSchoolDayIfHoliday(2017))
     }
+
+    @Test
+    fun getExamsCutOffDates() {
+        with(of(2020, 9, 13)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 14)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 15)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 16)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 17)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 18)) {
+            assertEquals(of(2020, 9, 14), startExamsDay)
+            assertEquals(of(2020, 10, 11), endExamsDay)
+        }
+
+        with(of(2020, 9, 19)) {
+            assertEquals(of(2020, 9, 21), startExamsDay)
+            assertEquals(of(2020, 10, 18), endExamsDay)
+        }
+    }
 }
diff --git a/app/src/test/java/io/github/wulkanowy/utils/TimetableExtensionTest.kt b/app/src/test/java/io/github/wulkanowy/utils/TimetableExtensionTest.kt
new file mode 100644
index 000000000..84b61a904
--- /dev/null
+++ b/app/src/test/java/io/github/wulkanowy/utils/TimetableExtensionTest.kt
@@ -0,0 +1,70 @@
+package io.github.wulkanowy.utils
+
+import io.github.wulkanowy.data.db.entities.Timetable
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertNotEquals
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import java.time.LocalDate
+import java.time.LocalDateTime
+import java.time.LocalDateTime.now
+
+class TimetableExtensionTest {
+
+    @Test
+    fun isShowTimeUntil() {
+        assertFalse(getTimetableEntity().isShowTimeUntil(null))
+        assertFalse(getTimetableEntity(isStudentPlan = false).isShowTimeUntil(null))
+        assertFalse(getTimetableEntity(isStudentPlan = true, canceled = true).isShowTimeUntil(null))
+        assertFalse(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().minusSeconds(1)).isShowTimeUntil(null))
+        assertFalse(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().plusMinutes(5)).isShowTimeUntil(now().plusMinutes(5)))
+        assertFalse(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().plusMinutes(61)).isShowTimeUntil(now().minusMinutes(5)))
+
+        assertTrue(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().plusMinutes(60)).isShowTimeUntil(now().minusMinutes(5)))
+        assertTrue(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().plusMinutes(60)).isShowTimeUntil(null))
+
+        assertFalse(getTimetableEntity(isStudentPlan = true, canceled = false, start = now().minusSeconds(1)).isShowTimeUntil(null))
+    }
+
+    @Test
+    fun getLeft() {
+        assertEquals(null, getTimetableEntity(canceled = true).left)
+        assertEquals(null, getTimetableEntity(start = now().plusMinutes(5), end = now().plusMinutes(50)).left)
+        assertEquals(null, getTimetableEntity(start = now().minusMinutes(1), end = now().plusMinutes(44), isStudentPlan = false).left)
+        assertNotEquals(null, getTimetableEntity(start = now().minusMinutes(1), end = now().plusMinutes(44), isStudentPlan = true).left)
+    }
+
+    @Test
+    fun isJustFinished() {
+        assertFalse(getTimetableEntity(end = now().minusSeconds(16)).isJustFinished)
+        assertTrue(getTimetableEntity(end = now().minusSeconds(14)).isJustFinished)
+        assertTrue(getTimetableEntity(end = now().minusSeconds(1)).isJustFinished)
+        assertFalse(getTimetableEntity(end = now().plusSeconds(1)).isJustFinished)
+    }
+
+    private fun getTimetableEntity(
+        isStudentPlan: Boolean = false,
+        canceled: Boolean = false,
+        start: LocalDateTime = now(),
+        end: LocalDateTime = now()
+    ) = Timetable(
+        studentId = 0,
+        subject = "",
+        number = 0,
+        diaryId = 0,
+        canceled = canceled,
+        changes = false,
+        date = LocalDate.now(),
+        end = end,
+        group = "",
+        info = "",
+        isStudentPlan = isStudentPlan,
+        room = "",
+        roomOld = "",
+        start = start,
+        subjectOld = "",
+        teacher = "",
+        teacherOld = ""
+    )
+}
diff --git a/appgallery_badge.png b/appgallery_badge.png
new file mode 100644
index 000000000..ecd154ea9
Binary files /dev/null and b/appgallery_badge.png differ
diff --git a/build.gradle b/build.gradle
index e8f29a520..21ae47e7e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,21 +1,27 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext {
+        kotlin_version = '1.4.32'
+        about_libraries = '8.8.4'
+        hilt_version = "2.33-beta"
+    }
     repositories {
         mavenCentral()
         google()
         jcenter()
-        maven { url 'https://jitpack.io' }
         maven { url "https://plugins.gradle.org/m2/" }
-        maven { url 'https://maven.fabric.io/public' }
+        maven { url "https://developer.huawei.com/repo/" }
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath 'com.android.tools.build:gradle:3.5.0'
-        classpath 'com.google.gms:google-services:4.3.1'
-        classpath "io.fabric.tools:gradle:1.31.0"
-        classpath "com.github.Triple-T:gradle-play-publisher:cdaeb61a87fedd1874e15e94eab7c6b80fda6727"
-        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:2.7.1"
-        classpath "gradle.plugin.com.star-zero.gradle:githook:1.1.0"
+        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath "com.google.dagger:hilt-android-gradle-plugin:$hilt_version"
+        classpath 'com.google.gms:google-services:4.3.5'
+        classpath 'com.huawei.agconnect:agcp:1.5.1.200'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.1'
+        classpath "com.github.triplet.gradle:play-publisher:2.8.0"
+        classpath "org.sonarsource.scanner.gradle:sonarqube-gradle-plugin:3.1.1"
+        classpath "gradle.plugin.com.star-zero.gradle:githook:1.2.0"
+        classpath "com.mikepenz.aboutlibraries.plugin:aboutlibraries-plugin:$about_libraries"
     }
 }
 
@@ -35,9 +41,8 @@ allprojects {
         mavenCentral()
         google()
         jcenter()
-        maven { url 'https://jitpack.io' }
-        maven { url "https://kotlin.bintray.com/kotlinx/" }
-        maven { url "https://dl.bintray.com/mockito/maven" }
+        maven { url "https://jitpack.io" }
+        maven { url "https://developer.huawei.com/repo/" }
     }
 }
 
diff --git a/crowdin.yml b/crowdin.yml
new file mode 100644
index 000000000..2399a56b5
--- /dev/null
+++ b/crowdin.yml
@@ -0,0 +1,14 @@
+files:
+  - source: /app/src/main/res/values/*.xml
+    ignore:
+      - /app/src/main/res/values/styles.xml
+      - /app/src/main/res/values/api_hosts.xml
+      - /app/src/main/res/values/api_symbols.xml
+      - /app/src/main/res/values/attrs.xml
+      - /app/src/main/res/values/colors.xml
+      - /app/src/main/res/values/dimens.xml
+      - /app/src/main/res/values/preferences_keys.xml
+      - /app/src/main/res/values/preferences_defaults.xml
+    translation: /app/src/main/res/values-%android_code%/%original_file_name%
+    translate_attributes: 0
+    content_segmentation: 0
diff --git a/gradle.properties b/gradle.properties
index 44e7e13b1..998e31957 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,21 +1,21 @@
 # Project-wide Gradle settings.
-
 # IDE (e.g. Android Studio) users:
 # Gradle settings configured through the IDE *will override*
 # any settings specified in this file.
-
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
 android.enableJetifier=true
 android.useAndroidX=true
-android.enableR8=true
-org.gradle.jvmargs=-Xmx1536m
+kotlin.code.style=official
 kapt.incremental.apt=true
+kapt.use.worker.api=true
+kapt.include.compile.classpath=false
 
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+# org.gradle.parallel=true
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 5c2d1cf01..e708b1c02 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index dbe85eef2..8cf6eb5ad 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 83f2acfdc..4f906e0c8 100755
--- a/gradlew
+++ b/gradlew
@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
@@ -154,19 +156,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,14 +177,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index 24467a141..ac1b06f93 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
@@ -37,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -51,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -61,28 +64,14 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell
diff --git a/settings.gradle b/settings.gradle
index e7b4def49..058beb21e 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,8 @@
 include ':app'
+
+buildCache {
+    local {
+        directory = new File(rootDir, '.build-cache')
+        removeUnusedEntriesAfterDays = 30
+    }
+}