656 changed files with 5301 additions and 32221 deletions
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@ -7,11 +7,11 @@ references:

  container_config: &container_config
    docker:
-      - image: circleci/android@sha256:5cdc8626cc6f13efe5ed982cdcdb432b0472f8740fed8743a6461e025ad6cdfc
+      - image: circleci/android:api-28-alpha
    working_directory: *workspace_root
    environment:
      environment:
-        _JAVA_OPTS: -Xmx3072m
+        JVM_OPTS: -Xmx3200m

  attach_workspace: &attach_workspace
    attach_workspace:
@ -35,7 +35,7 @@ jobs:
          command: ./gradlew dependencies --no-daemon --stacktrace --console=plain -PdisablePreDex || true
      - run:
          name: Initial build
-          command: ./gradlew build -x test -x lint -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease -x packageRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew build -x test -x lint -x fabricGenerateResourcesRelease -x packageRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
      - run:
          name: Run FOSSA
          command: fossa --no-ansi || true
@ -56,7 +56,7 @@ jobs:
          <<: *general_cache_key
      - run:
          name: Run lint
-          command: ./gradlew lint -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew lint -x fabricGenerateResourcesRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
      - store_artifacts:
          path: ./app/build/reports/
          destination: lint_reports/app/
@ -75,7 +75,7 @@ jobs:
          <<: *general_cache_key
      - run:
          name: Run app tests
-          command: ./gradlew :app:test :app:jacocoTestReport -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew :app:test :app:jacocoTestReport -x fabricGenerateResourcesRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
      - run:
          name: Upload unit code coverage to codecov
          command: bash <(curl -s https://codecov.io/bash) -F app
@ -93,12 +93,9 @@ jobs:
    <<: *container_config
    steps:
      - *attach_workspace
-      - run:
-          name: Accept licenses
-          command: yes | sdkmanager --licenses && yes | sdkmanager --update
      - run:
          name: Setup emulator
-          command: sdkmanager "system-images;android-22;default;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-22;default;armeabi-v7a"
+          command: sdkmanager "system-images;android-19;default;armeabi-v7a" && echo "no" | avdmanager create avd -n test -k "system-images;android-19;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 +113,7 @@ jobs:
            adb shell input keyevent 82
      - run:
          name: Run instrumented tests
-          command: ./gradlew clean createFdroidDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
+          command: ./gradlew clean createDebugCoverageReport jacocoTestReport --no-daemon --stacktrace --console=plain -PdisablePreDex
      - run:
          name: Collect logs from emulator
          command: adb logcat -d > ./app/build/reports/logcat_emulator.txt
@ -162,7 +159,7 @@ jobs:
            openssl aes-256-cbc -d -in ./app/upload-key-encrypted.jks -k $ENCRYPT_KEY >> ./app/upload-key.jks
      - run:
          name: Publish release
-          command: ./gradlew publishPlayRelease --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex
+          command: ./gradlew publish --no-daemon --stacktrace --console=plain -PenableCrashlytics -PdisablePreDex

 workflows:
  version: 2
--- a/.gitignore
+++ b/.gitignore
@ -1,90 +1,39 @@
-# Created by https://www.gitignore.io
+/captures
+.externalNativeBuild
+
+## https://gist.github.com/iainconnor/8605514

 # Built application files
-*.apk
-*.ap_
-*.aab
+/build
+/*/build/

-# Files for the ART/Dalvik VM
-*.dex
-
-# Java class files
-*.class
-
-# Generated files
-bin/
-gen/
-out/
-
-# Gradle files
-.gradle/
-build/
+# Crashlytics configuations
+com_crashlytics_export_strings.xml

 # Local configuration file (sdk path, etc)
 local.properties

-# Proguard folder generated by Eclipse
-proguard/
+# Gradle generated files
+.gradle/

-# Log Files
-*.log
+# Signing files
+.signing/

-# Android Studio Navigation editor temp files
-.navigation/
-
-# Android Studio captures folder
-captures/
-
-# IntelliJ configurations
-*.iml
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/gradle.xml
-.idea/assetWizardSettings.xml
-.idea/dictionaries
-.idea/libraries
-.idea/caches
-.idea/modules.xml
-.idea/navEditor.xml
-.idea/caches/
+# User-specific configurations
+.idea/copyright/profiles_settings.xml
 .idea/libraries/
-.idea/shelf/
+.idea/inspectionProfiles/
 .idea/.name
 .idea/compiler.xml
-.idea/copyright/profiles_settings.xml
 .idea/encodings.xml
 .idea/misc.xml
+.idea/modules.xml
 .idea/scopes/scope_settings.xml
+.idea/tasks.xml
 .idea/vcs.xml
-.idea/jsLibraryMappings.xml
-.idea/datasources.xml
-.idea/dataSources.ids
-.idea/sqlDataSources.xml
-.idea/dynamic.xml
-.idea/uiDesigner.xml
-.idea/runConfigurations.xml
-
-# Keystore files
-*.jks
-*.keystore
-*.p12
-
-# External native build folder generated in Android Studio 2.2 and later
-.externalNativeBuild
-
-# Version control
-vcs.xml
-
-# lint
-lint/intermediates/
-lint/generated/
-lint/outputs/
-lint/tmp/
-lint/reports/
-
-### Android Patch ###
-gen-external-apklibs
-output.json
+.idea/workspace.xml
+.idea/caches/
+*.iml

 # OS-specific files
 .DS_Store
@ -94,21 +43,8 @@ output.json
 .Trashes
 ehthumbs.db
 Thumbs.db
-
-# Legacy Eclipse project files
-.classpath
-.project
-.cproject
-.settings/
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.war
-*.ear
-
-### AndroidStudio Patch ###
-
-!/gradle/wrapper/gradle-wrapper.jar
-.idea/jarRepositories.xml
+.idea/caches/
+app/key.p12
+app/upload-key.jks
+*.log
+.idea/assetWizardSettings.xml
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@ -12,7 +12,7 @@ build:
  script:
    - ./gradlew --no-daemon --stacktrace dependencies || true
    - ./gradlew --no-daemon --stacktrace assembleDebug
-    - mv app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk .
+    - mv app/build/outputs/apk/debug/app-debug.apk .
  artifacts:
    name: "${CI_PROJECT_NAME}_${CI_BUILD_REF_NAME}-${CI_BUILD_ID}"
    paths:
@ -26,7 +26,7 @@ tests:
     - .gradle
    policy: pull
  script:
-    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease test
+    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesRelease test
  artifacts:
    paths:
    - app/build/reports/tests
@ -39,7 +39,7 @@ lint:
     - .gradle
    policy: pull
  script:
-    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesFdroidRelease -x fabricGenerateResourcesPlayRelease lint
+    - ./gradlew --no-daemon --stacktrace -x fabricGenerateResourcesRelease lint
  artifacts:
    paths:
    - app/build/reports
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@ -2,7 +2,7 @@
  <code_scheme name="Project" version="173">
    <option name="LINE_SEPARATOR" value="&#10;" />
    <AndroidXmlCodeStyleSettings>
-      <option name="ARRANGEMENT_SETTINGS_MIGRATED_TO_191" value="true" />
+      <option name="USE_CUSTOM_SETTINGS" value="true" />
    </AndroidXmlCodeStyleSettings>
    <JetCodeStyleSettings>
      <option name="PACKAGES_TO_USE_STAR_IMPORTS">
@ -19,12 +19,40 @@
      <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="WRAP_EXPRESSION_BODY_FUNCTIONS" value="1" />
    </JetCodeStyleSettings>
-    <MarkdownNavigatorCodeStyleSettings>
-      <option name="RIGHT_MARGIN" value="72" />
-    </MarkdownNavigatorCodeStyleSettings>
+    <Objective-C-extensions>
+      <file>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
+      </file>
+      <class>
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
+        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
+      </class>
+      <extensions>
+        <pair source="cpp" header="h" fileNamingConvention="NONE" />
+        <pair source="c" header="h" fileNamingConvention="NONE" />
+      </extensions>
+    </Objective-C-extensions>
+    <XML>
+      <option name="XML_KEEP_LINE_BREAKS" value="false" />
+      <option name="XML_ALIGN_ATTRIBUTES" value="false" />
+      <option name="XML_SPACE_INSIDE_EMPTY_TAG" value="true" />
+    </XML>
    <codeStyleSettings language="XML">
+      <option name="FORCE_REARRANGE_MODE" value="1" />
      <indentOptions>
        <option name="CONTINUATION_INDENT_SIZE" value="4" />
      </indentOptions>
@ -35,7 +63,6 @@
              <match>
                <AND>
                  <NAME>xmlns:android</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
@ -46,7 +73,6 @@
              <match>
                <AND>
                  <NAME>xmlns:.*</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
@ -58,7 +84,6 @@
              <match>
                <AND>
                  <NAME>.*:id</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
@ -69,7 +94,6 @@
              <match>
                <AND>
                  <NAME>.*:name</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
@ -80,7 +104,6 @@
              <match>
                <AND>
                  <NAME>name</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
@ -91,7 +114,6 @@
              <match>
                <AND>
                  <NAME>style</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
@ -102,7 +124,6 @@
              <match>
                <AND>
                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>^$</XML_NAMESPACE>
                </AND>
              </match>
@ -114,7 +135,6 @@
              <match>
                <AND>
                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
                </AND>
              </match>
@ -126,7 +146,6 @@
              <match>
                <AND>
                  <NAME>.*</NAME>
-                  <XML_ATTRIBUTE />
                  <XML_NAMESPACE>.*</XML_NAMESPACE>
                </AND>
              </match>
@ -144,6 +163,7 @@
      <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" />
+      <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
      <indentOptions>
        <option name="CONTINUATION_INDENT_SIZE" value="4" />
      </indentOptions>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
--- a/.idea/runConfigurations.xml
+++ b/.idea/runConfigurations.xml
@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
--- a/.travis.yml
+++ b/.travis.yml
@ -3,18 +3,17 @@ jdk: oraclejdk8

 env:
 global:
-    - ANDROID_API_LEVEL=29
-    - ANDROID_BUILD_TOOLS_VERSION=29.0.2
+    - ANDROID_API_LEVEL=28
+    - ANDROID_BUILD_TOOLS_VERSION=28.0.3

 cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/

-branches:
-  only:
-    - develop
-    - 0.13.0
+#branches:
+#  only:
+#  - master

 android:
 licenses:
@ -34,34 +33,34 @@ android:
    - extra-android-m2repository
    - addon-google_apis-google-$ANDROID_API_LEVEL
    # Android emulator
-    - android-22
-    - sys-img-armeabi-v7a-android-22
+    - android-19
+    - sys-img-armeabi-v7a-android-19

 before_script:
    # Launch emulator before the execution
-    - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
+    - 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"

 script:
-  - ./gradlew dependencies --stacktrace --daemon
+  - ./gradlew build -x test -x lint -x fabricGenerateResourcesRelease -x packageRelease --stacktrace --daemon
  - fossa --no-ansi || true
-  #- ./gradlew lintPlayRelease -x fabricGenerateResourcesPlayRelease --stacktrace --daemon
-  - ./gradlew testPlayDebugUnitTest -x fabricGenerateResourcesPlay --stacktrace --daemon
-  - ./gradlew createFdroidDebugCoverageReport --stacktrace --daemon
+  - ./gradlew lint -x fabricGenerateResourcesRelease --stacktrace --daemon
+  - ./gradlew test -x fabricGenerateResourcesRelease --stacktrace --daemon
+  - ./gradlew createDebugCoverageReport --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;
+      ./gradlew sonarqube -x test -x lint -x fabricGenerateResourcesRelease -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
  - |
    if [ $TRAVIS_TAG ]; then
      gpg --yes --batch --passphrase=$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;
-      ./gradlew publishPlayRelease -PenableCrashlytics --stacktrace;
+      ./gradlew publish -PenableCrashlytics --stacktrace;
    fi

 after_success:
--- a/2
+++ b/2
@ -186,7 +186,7 @@
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

-   Copyright 2019 Wulkanowy
+   Copyright 2017 wulkanowy

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
--- a/README.en.md
+++ b/README.en.md
@ -1,61 +0,0 @@
-[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)
-[![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?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
-
-## Features
-
-* logging in using the email and password
-* functions from the register website:
-    * grades
-    * grade statistics
-    * attendance
-    * percentage of attendance
-    * exams
-    * timetable
-    * completed lessons
-    * messages
-    * homework
-    * notes
-    * lucky number
-* calculation of the average
-* notifications, e.g. about a new grade
-* dark and black (AMOLED) theme
-* offline mode
-* no ads
-
-## Download
-
-You can download the current beta from the Google Play or Fdroid 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)
-[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Get it on Fdroid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-    
-You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features 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)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
-
-## Contributing
-
-Please contribute to the project either by creating a PR or submitting an issue on GitHub.
-
-## License
-
-This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details
--- a/README.md
+++ b/README.md
@ -1,62 +1,22 @@
-[English version of README](README.en.md)
-
 # Wulkanowy
+
+[![CircleCI](https://img.shields.io/circleci/project/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://circleci.com/gh/wulkanowy/wulkanowy)
 [![Travis](https://img.shields.io/travis/com/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://travis-ci.com/wulkanowy/wulkanowy)
+[![Bitrise](https://img.shields.io/bitrise/daeff1893f3c8128/master.svg?token=Hjm1ACamk86JDeVVJHOeqQ&style=flat-square)](https://www.bitrise.io/app/daeff1893f3c8128)
 [![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
+[![BCH compliance](https://bettercodehub.com/edge/badge/wulkanowy/wulkanowy?branch=master)](https://bettercodehub.com/)
+[![Sonarcloud](https://sonarcloud.io/api/project_badges/measure?project=io.github.wulkanowy%3Aapp&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=io.github.wulkanowy%3Aapp)
+[![FOSSA Status](https://app.fossa.io/api/projects/custom%2B5644%2Fgit%40github.com%3Awulkanowy%2Fwulkanowy.git.svg?type=shield)](https://app.fossa.io/projects/custom%2B5644%2Fgit%40github.com%3Awulkanowy%2Fwulkanowy.git?ref=badge_shield)
 [![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?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
+[Pobierz wersję beta z Google Play](https://play.google.com/store/apps/details?id=io.github.wulkanowy&amp;utm_source=vcs)

-## Funkcje
+[Pobierz wersję DEV](https://bitrise-redirector.herokuapp.com/v0.1/apps/daeff1893f3c8128/builds/master/artifacts/0)
+[(Więcej wersji DEV)](https://wulkanowy.github.io/dev.html)

-* logowanie za pomocą e-maila i hasła
-* funkcje ze strony internetowej dziennika:
-    * oceny
-    * statystyki ocen
-    * frekwencja
-    * procent frekwencji
-    * sprawdziany
-    * plan lekcji
-    * lekcje zrealizowane
-    * wiadomości
-    * zadania domowe
-    * uwagi
-    * szczęśliwy numerek
-* obliczanie średniej
-* powiadomienia np. o nowej ocenie
-* ciemny i czarny (AMOLED) motyw
-* tryb offilne
-* brak reklam
-
-## Pobierz
-
-Aktualną wersję beta możesz pobrać ze sklepu Google Play lub Fdroid
-
-[<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)
-[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Pobierz z Fdroid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+Androidowy klient dziennika VULCAN UONET+.


-Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#download), która zawiera nowe funkcje przygotowywane do następnego wydania
+## License

-
-## Zbudowana za pomocą
-
-* [Wulkanowy API](https://github.com/wulkanowy/api)
-* [RxJava 2](https://github.com/ReactiveX/RxJava)
-* [Dagger 2](https://github.com/google/dagger)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
-
-## Współpraca
-
-Wnieś swój wkład w projekt, tworząc PR lub wysyłając issue na GitHub.
-
-## Licencja
-
-Ten projekt jest licencjonowany w ramach Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)
+[![FOSSA Status](https://app.fossa.io/api/projects/custom%2B5644%2Fgit%40github.com%3Awulkanowy%2Fwulkanowy.git.svg?type=large)](https://app.fossa.io/projects/custom%2B5644%2Fgit%40github.com%3Awulkanowy%2Fwulkanowy.git?ref=badge_large)
--- a/app/.gitignore
+++ b/app/.gitignore
@ -0,0 +1 @@
+/build
--- a/app/build.gradle
+++ b/app/build.gradle
@ -6,38 +6,25 @@ apply plugin: 'io.fabric'
 apply plugin: 'com.github.triplet.play'
 apply from: 'jacoco.gradle'
 apply from: 'sonarqube.gradle'
-apply from: 'hooks.gradle'

 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.2'
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'

    defaultConfig {
        applicationId "io.github.wulkanowy"
        testApplicationId "io.github.tests.wulkanowy"
-        minSdkVersion 16
-        targetSdkVersion 29
-        versionCode 48
-        versionName "0.13.0"
+        minSdkVersion 15
+        targetSdkVersion 28
+        versionCode 25
+        versionName "0.6.6"
        multiDexEnabled true
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        vectorDrawables.useSupportLibrary = true
        manifestPlaceholders = [
-                fabric_api_key     : System.getenv("FABRIC_API_KEY") ?: "null",
+                fabric_api_key: System.getenv("FABRIC_API_KEY") ?: "null",
                crashlytics_enabled: project.hasProperty("enableCrashlytics")
        ]
-        javaCompileOptions {
-            annotationProcessorOptions {
-                arguments = [
-                        "room.schemaLocation": "$projectDir/schemas".toString(),
-                        "room.incremental"   : "true"
-                ]
-            }
-        }
-    }
-
-    sourceSets {
-        androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
    }

    signingConfigs {
@ -63,39 +50,13 @@ android {
            versionNameSuffix "-dev"
            testCoverageEnabled = true
            ext.enableCrashlytics = project.hasProperty("enableCrashlytics")
-        }
-    }
-
-    flavorDimensions "platform"
-
-    productFlavors {
-        play {
-            dimension "platform"
-        }
-
-        fdroid {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "false"
-            dimension "platform"
+            multiDexKeepProguard file('proguard-multidex-rules.pro')
        }
    }

    lintOptions {
        disable 'HardwareIds'
    }
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
-
-    packagingOptions {
-        exclude 'META-INF/library_release.kotlin_module'
-        exclude 'META-INF/library-core_release.kotlin_module'
-    }
 }

 androidExtensions {
@ -105,98 +66,66 @@ androidExtensions {
 play {
    serviceAccountEmail = System.getenv("PLAY_SERVICE_ACCOUNT_EMAIL") ?: "jan@fakelog.cf"
    serviceAccountCredentials = file('key.p12')
-    defaultToAppBundles = false
+    defaultToAppBundles = true
    track = 'alpha'
 }

-ext {
-    work_manager = "2.3.0-beta01"
-    room = "2.2.2"
-    dagger = "2.25.2"
-    chucker = "2.0.4"
-    mockk = "1.9.2"
-}
-
-configurations.all {
-    resolutionStrategy.force "androidx.constraintlayout:constraintlayout:1.1.3"
-}
-
 dependencies {
-    implementation "io.github.wulkanowy:api:0.13.0"
-
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "androidx.core:core-ktx:1.2.0-rc01"
-    implementation "androidx.activity:activity-ktx:1.1.0-rc03"
-    implementation "androidx.appcompat:appcompat:1.1.0"
-    implementation "androidx.appcompat:appcompat-resources:1.1.0"
-    implementation "androidx.fragment:fragment-ktx:1.2.0-rc03"
-    implementation "androidx.annotation:annotation:1.1.0"
-    implementation "androidx.multidex:multidex:2.0.1"
+    implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
+    implementation('io.github.wulkanowy:api:0.6.6') { exclude module: "threetenbp" }

-    implementation "androidx.preference:preference-ktx:1.1.0"
-    implementation "androidx.recyclerview:recyclerview:1.1.0"
-    implementation "androidx.viewpager:viewpager:1.0.0"
-    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-alpha03"
-    implementation "androidx.constraintlayout:constraintlayout:1.1.3"
-    implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
-    implementation "com.google.android.material:material:1.1.0-beta02"
-    implementation "com.github.wulkanowy:material-chips-input:2.0.1"
-    implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
-    implementation "me.zhanghai.android.materialprogressbar:library:1.6.1"
+    implementation "androidx.legacy:legacy-support-v4:1.0.0"
+    implementation "androidx.appcompat:appcompat:1.0.2"
+    implementation "androidx.cardview:cardview:1.0.0"
+    implementation "com.google.android.material:material:1.0.0"
+    implementation 'androidx.multidex:multidex:2.0.1'

-    implementation "androidx.work:work-runtime-ktx:$work_manager"
-    implementation "androidx.work:work-rxjava2:$work_manager"
-    implementation "androidx.work:work-gcm:$work_manager"
+    implementation 'com.takisoft.preferencex:preferencex:1.0.0'
+    implementation "com.mikepenz:aboutlibraries:6.2.0"
+    implementation "com.firebase:firebase-jobdispatcher:0.8.5"

-    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:2.21"
+    kapt "com.google.dagger:dagger-compiler:2.21"
+    kapt "com.google.dagger:dagger-android-processor:2.21"

-    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-dagger2:0.5.2"
-    kapt "com.squareup.inject:assisted-inject-processor-dagger2:0.5.2"
+    implementation "androidx.room:room-runtime:2.1.0-alpha03"
+    implementation "androidx.room:room-rxjava2:2.1.0-alpha03"
+    kapt "androidx.room:room-compiler:2.1.0-alpha03"

    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:1.1.0"
+    implementation 'com.ncapdevi:frag-nav:3.1.0'

-    implementation "com.github.pwittchen:reactivenetwork-rx2:3.0.6"
-    implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
-    implementation "io.reactivex.rxjava2:rxjava:2.2.15"
+    implementation 'com.github.pwittchen:reactivenetwork-rx2:3.0.2'
+    implementation 'io.reactivex.rxjava2:rxandroid:2.1.0'
+    implementation "io.reactivex.rxjava2:rxjava:2.2.5"
+
+    implementation "com.jakewharton.threetenabp:threetenabp:1.1.1"

-    implementation "com.google.code.gson:gson:2.8.6"
-    implementation "com.jakewharton.threetenabp:threetenabp:1.2.1"
    implementation "com.jakewharton.timber:timber:4.7.1"
    implementation "at.favre.lib:slf4j-timber:1.0.1"
-    implementation "com.squareup.okhttp3:logging-interceptor:3.12.6"
-    implementation "com.mikepenz:aboutlibraries:7.0.4"
-    implementation 'com.wdullaer:materialdatetimepicker:4.2.3'

-    playImplementation "com.google.firebase:firebase-core:17.2.1"
-    playImplementation "com.crashlytics.sdk.android:crashlytics:2.10.1"
+    implementation 'com.google.firebase:firebase-core:16.0.6'
+    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.8'

-    releaseImplementation "fr.o80.chucker:library-no-op:$chucker"
+    releaseImplementation 'fr.o80.chucker:library-no-op:2.0.3'
+    debugImplementation 'fr.o80.chucker:library:2.0.3'

-    debugImplementation "fr.o80.chucker:library:$chucker"
-    debugImplementation "com.amitshekhar.android:debug-db:1.0.6"
+    debugImplementation "com.amitshekhar.android:debug-db:1.0.4"

    testImplementation "junit:junit:4.12"
-    testImplementation "io.mockk:mockk:$mockk"
-    testImplementation "org.threeten:threetenbp:1.4.0"
-    testImplementation "org.mockito:mockito-inline:3.2.0"
+    testImplementation "io.mockk:mockk:1.9"
+    testImplementation "org.mockito:mockito-inline:2.23.4"
+    testImplementation 'org.threeten:threetenbp:1.3.8'

-    androidTestImplementation "androidx.test:core:1.2.0"
-    androidTestImplementation "androidx.test:runner:1.2.0"
-    androidTestImplementation "androidx.test.ext:junit:1.1.1"
-    androidTestImplementation "io.mockk:mockk-android:$mockk"
-    androidTestImplementation "androidx.room:room-testing:$room"
+    androidTestImplementation 'androidx.test:core:1.1.0'
+    androidTestImplementation 'androidx.test:runner:1.1.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
+    androidTestImplementation 'org.mockito:mockito-android:2.23.4'
    androidTestImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-    androidTestImplementation "org.mockito:mockito-android:3.2.0"
 }

 apply plugin: 'com.google.gms.google-services'
--- a/app/hooks.gradle
+++ b/app/hooks.gradle
@ -1,10 +0,0 @@
-apply plugin: "com.star-zero.gradle.githook"
-
-githook {
-    failOnMissingHooksDir = false
-    hooks {
-        "pre-push" {
-            shell = "./app/play-publish-lint.sh"
-        }
-    }
-}
--- a/app/jacoco.gradle
+++ b/app/jacoco.gradle
@ -1,7 +1,7 @@
 apply plugin: "jacoco"

 jacoco {
-    toolVersion "0.8.4"
+    toolVersion "0.8.2"
    reportsDir = file("$buildDir/reports")
 }

@ -31,20 +31,17 @@ task jacocoTestReport(type: JacocoReport) {
                    '**/*_Provide*Factory*.*',
                    '**/*_Factory.*']

-    classDirectories.setFrom(fileTree(
+    classDirectories = fileTree(
            dir: "$buildDir/intermediates/classes/debug",
            excludes: excludes
    ) + fileTree(
-            dir: "$buildDir/tmp/kotlin-classes/playDebug",
+            dir: "$buildDir/tmp/kotlin-classes/debug",
            excludes: excludes
-    ))
+    )

-    sourceDirectories.setFrom(files([
-            "src/main/java",
-            "src/play/java"
-    ]))
-    executionData.setFrom(fileTree(
+    sourceDirectories = files("$project.projectDir/src/main/java")
+    executionData = fileTree(
            dir: project.projectDir,
            includes: ["**/*.exec", "**/*.ec"]
-    ))
+    )
 }
--- a/app/key-encrypted.p12
+++ b/app/key-encrypted.p12
--- a/app/play-publish-lint.sh
+++ b/app/play-publish-lint.sh
@ -1,7 +0,0 @@
-#!/bin/bash -
-
-content=$(cat < "app/src/main/play/release-notes/pl-PL/default.txt") || exit
-if [[ "${#content}" -gt 500 ]]; then
-    echo >&2 "Release notes content has reached the limit of 500 characters"
-    exit 1
-fi
--- a/app/proguard-multidex-rules.pro
+++ b/app/proguard-multidex-rules.pro
@ -0,0 +1,3 @@
+-keep class android.support.test.internal** { *; }
+-keep class org.junit.** { *; }
+-keep public class io.github.wulkanowy** { *; }
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -11,10 +11,6 @@
 -verbose


-#Keep all wulkanowy files
-keep class io.github.wulkanowy.** {*;}
-
-
 #Config for anallitycs
 -keepattributes *Annotation*
 -keepattributes SourceFile,LineNumberTable
@ -36,10 +32,5 @@
 -dontwarn rx.internal.util.**
 -dontwarn sun.misc.Unsafe

-
-#Config for MPAndroidChart
-keep class com.github.mikephil.charting.** { *; }
-
-
-#Config for Material Components
-keep class com.google.android.material.tabs.** { *; }
+#Config for API
+-keep class io.github.wulkanowy.api.** {*;}
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/11.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/11.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/12.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/12.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/13.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/13.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/14.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/14.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/15.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/15.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/16.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/16.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/17.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/17.json
--- a/app/schemas/io.github.wulkanowy.data.db.AppDatabase/18.json
+++ b/app/schemas/io.github.wulkanowy.data.db.AppDatabase/18.json
--- a/app/sonarqube.gradle
+++ b/app/sonarqube.gradle
@ -29,6 +29,5 @@ sonarqube {
        property "sonar.java.coveragePlugin", "jacoco"
        property "sonar.android.lint.report", "build/reports/lint-results.xml"
        property "sonar.jacoco.reportPaths", fileTree(dir: project.projectDir, includes: ['**/*.exec', '**/*.ec'])
-        property "sonar.coverage.jacoco.xmlReportPaths", "build/reports/jacocoTestReport/jacocoTestReport.xml"
    }
 }
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
+++ b/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt
@ -1,31 +0,0 @@
-package io.github.wulkanowy.data.db.migrations
-
-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 org.junit.Rule
-
-abstract class AbstractMigrationTest {
-
-    val dbName = "migration-test"
-
-    @get:Rule
-    val helper: MigrationTestHelper = MigrationTestHelper(
-        InstrumentationRegistry.getInstrumentation(),
-        AppDatabase::class.java.canonicalName,
-        FrameworkSQLiteOpenHelperFactory()
-    )
-
-    fun getMigratedRoomDatabase(): AppDatabase {
-        val database = Room.databaseBuilder(ApplicationProvider.getApplicationContext(),
-            AppDatabase::class.java, dbName)
-            .addMigrations(*AppDatabase.getMigrations())
-            .build()
-        // close the database and release any stream resources when the test finishes
-        helper.closeWhenFinished(database)
-        return database
-    }
-}
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
+++ b/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration12Test.kt
@ -1,133 +0,0 @@
-package io.github.wulkanowy.data.db.migrations
-
-import android.content.ContentValues
-import android.database.sqlite.SQLiteDatabase.CONFLICT_FAIL
-import androidx.sqlite.db.SupportSQLiteDatabase
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import org.junit.Test
-import org.junit.runner.RunWith
-import kotlin.test.assertEquals
-
-@RunWith(AndroidJUnit4::class)
-class Migration12Test : AbstractMigrationTest() {
-
-    @Test
-    fun twoNotRelatedStudents() {
-        helper.createDatabase(dbName, 11).apply {
-            // user 1
-            createStudent(this, 1, true)
-            createSemester(this, 1, false, 5, 1)
-            createSemester(this, 1, true, 5, 2)
-
-            // user 2
-            createStudent(this, 2, true)
-            createSemester(this, 2, false, 6, 1)
-            createSemester(this, 2, true, 6, 2)
-            close()
-        }
-
-        helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
-
-        val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
-
-        assertEquals(2, students.size)
-
-        students[0].run {
-            assertEquals(1, studentId)
-            assertEquals(5, classId)
-        }
-
-        students[1].run {
-            assertEquals(2, studentId)
-            assertEquals(6, classId)
-        }
-    }
-
-    @Test
-    fun removeStudentsWithoutClassId() {
-        helper.createDatabase(dbName, 11).apply {
-            // user 1
-            createStudent(this, 1, true)
-            createSemester(this, 1, false, 0, 2)
-            createStudent(this, 2, true)
-            createSemester(this, 2, true, 1, 2)
-            close()
-        }
-
-        helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
-
-        val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
-
-        assertEquals(1, students.size)
-
-        students[0].run {
-            assertEquals(2, studentId)
-            assertEquals(1, classId)
-        }
-    }
-
-    @Test
-    fun ensureThereIsOnlyOneCurrentStudent() {
-        helper.createDatabase(dbName, 11).apply {
-            // user 1
-            createStudent(this, 1, true)
-            createSemester(this, 1, true, 5, 2)
-            createStudent(this, 2, true)
-            createSemester(this, 2, true, 6, 2)
-            createStudent(this, 3, true)
-            createSemester(this, 3, false, 7, 2)
-            close()
-        }
-
-        helper.runMigrationsAndValidate(dbName, 12, true, Migration12())
-
-        val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
-
-        assertEquals(3, students.size)
-
-        students[0].run {
-            assertEquals(studentId, 1)
-            assertEquals(false, isCurrent)
-        }
-        students[1].run {
-            assertEquals(studentId, 2)
-            assertEquals(false, isCurrent)
-        }
-        students[2].run {
-            assertEquals(studentId, 3)
-            assertEquals(true, isCurrent)
-        }
-    }
-
-    private fun createStudent(db: SupportSQLiteDatabase, studentId: Int, isCurrent: Boolean) {
-        db.insert("Students", CONFLICT_FAIL, ContentValues().apply {
-            put("endpoint", "https://fakelog.cf")
-            put("loginType", "STANDARD")
-            put("email", "jan@fakelog.cf")
-            put("password", "******")
-            put("symbol", "Default")
-            put("student_id", studentId)
-            put("student_name", "Jan Kowalski")
-            put("school_id", "000123")
-            put("school_name", "")
-            put("is_current", isCurrent)
-            put("registration_date", "0")
-        })
-    }
-
-    private fun createSemester(db: SupportSQLiteDatabase, studentId: Int, isCurrent: Boolean, classId: Int, diaryId: Int) {
-        db.insert("Semesters", CONFLICT_FAIL, ContentValues().apply {
-            put("student_id", studentId)
-            put("diary_id", diaryId)
-            put("diary_name", "IA")
-            put("semester_id", diaryId * 5)
-            put("semester_name", "1")
-            put("is_current", isCurrent)
-            put("class_id", classId)
-            put("unit_id", "99")
-        })
-    }
-}
--- a/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
+++ b/app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/Migration13Test.kt
@ -1,197 +0,0 @@
-package io.github.wulkanowy.data.db.migrations
-
-import android.content.ContentValues
-import android.database.sqlite.SQLiteDatabase
-import androidx.sqlite.db.SupportSQLiteDatabase
-import io.github.wulkanowy.data.db.Converters
-import io.github.wulkanowy.data.db.entities.Semester
-import org.junit.Assert.assertEquals
-import org.junit.Assert.assertTrue
-import org.junit.Test
-import org.threeten.bp.LocalDate.now
-import org.threeten.bp.LocalDate.of
-import kotlin.test.assertFalse
-import kotlin.test.assertTrue
-
-class Migration13Test : AbstractMigrationTest() {
-
-    @Test
-    fun studentsWithSchoolNameWithClassName() {
-        helper.createDatabase(dbName, 12).apply {
-            createStudent(this, 1, "Klasa A - Publiczna szkoła Wulkanowego nr 1 w fakelog.cf", 1, 1)
-            createStudent(this, 2, "Klasa B - Publiczna szkoła Wulkanowego-fejka nr 1 w fakelog.cf", 2, 1)
-            createStudent(this, 2, "Klasa C - Publiczna szkoła Wulkanowego-fejka nr 2 w fakelog.cf", 1, 2)
-            close()
-        }
-
-        helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
-
-        val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
-
-        assertEquals(3, students.size)
-
-        students[0].run {
-            assertEquals(1, studentId)
-            assertEquals("A", className)
-            assertEquals("Publiczna szkoła Wulkanowego nr 1 w fakelog.cf", schoolName)
-        }
-
-        students[1].run {
-            assertEquals(2, studentId)
-            assertEquals("B", className)
-            assertEquals("Publiczna szkoła Wulkanowego-fejka nr 1 w fakelog.cf", schoolName)
-        }
-
-        students[2].run {
-            assertEquals(2, studentId)
-            assertEquals("C", className)
-            assertEquals("Publiczna szkoła Wulkanowego-fejka nr 2 w fakelog.cf", schoolName)
-        }
-    }
-
-    @Test
-    fun studentsWithSchoolNameWithoutClassName() {
-        helper.createDatabase(dbName, 12).apply {
-            createStudent(this, 1, "Publiczna szkoła Wulkanowego nr 1 w fakelog.cf", 1)
-            createStudent(this, 2, "Publiczna szkoła Wulkanowego-fejka nr 1 w fakelog.cf", 1)
-            close()
-        }
-
-        helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
-
-        val db = getMigratedRoomDatabase()
-        val students = db.studentDao.loadAll().blockingGet()
-
-        assertEquals(2, students.size)
-
-        students[0].run {
-            assertEquals(1, studentId)
-            assertEquals("", className)
-            assertEquals("Publiczna szkoła Wulkanowego nr 1 w fakelog.cf", schoolName)
-        }
-
-        students[1].run {
-            assertEquals(2, studentId)
-            assertEquals("", className)
-            assertEquals("Publiczna szkoła Wulkanowego-fejka nr 1 w fakelog.cf", schoolName)
-        }
-    }
-
-    @Test
-    fun markAtLeastAndOnlyOneSemesterAtCurrent() {
-        helper.createDatabase(dbName, 12).apply {
-            createStudent(this, 1, "", 5)
-            createSemester(this, 1, 5, 1, 1, false)
-            createSemester(this, 1, 5, 2, 1, false)
-            createSemester(this, 1, 5, 3, 2, false)
-            createSemester(this, 1, 5, 4, 2, false)
-
-            createStudent(this, 2, "", 5)
-            createSemester(this, 2, 5, 5, 5, true)
-            createSemester(this, 2, 5, 6, 5, true)
-            createSemester(this, 2, 5, 7, 55, true)
-            createSemester(this, 2, 5, 8, 55, true)
-
-            createStudent(this, 3, "", 5)
-            createSemester(this, 3, 5, 11, 99, false)
-            createSemester(this, 3, 5, 12, 99, false)
-            createSemester(this, 3, 5, 13, 100, false)
-            createSemester(this, 3, 5, 14, 100, true)
-            close()
-        }
-
-        val db = helper.runMigrationsAndValidate(dbName, 13, true, Migration13())
-
-        val semesters1 = getSemesters(db, "SELECT * FROM Semesters WHERE student_id = 1 AND class_id = 5")
-        assertTrue { semesters1.single { it.isCurrent }.isCurrent }
-        semesters1[0].run {
-            assertFalse(isCurrent)
-            assertEquals(1, semesterId)
-            assertEquals(1, diaryId)
-        }
-        semesters1[2].run {
-            assertFalse(isCurrent)
-            assertEquals(3, semesterId)
-            assertEquals(2, diaryId)
-        }
-        semesters1[3].run {
-            assertTrue(isCurrent)
-            assertEquals(4, semesterId)
-            assertEquals(2, diaryId)
-        }
-
-        getSemesters(db, "SELECT * FROM Semesters WHERE student_id = 2 AND class_id = 5").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 {
-            assertTrue { it.single { it.isCurrent }.isCurrent }
-            assertFalse(it[0].isCurrent)
-            assertFalse(it[1].isCurrent)
-            assertFalse(it[2].isCurrent)
-            assertTrue(it[3].isCurrent)
-        }
-    }
-
-    private fun getSemesters(db: SupportSQLiteDatabase, query: String): List<Semester> {
-        val semesters = mutableListOf<Semester>()
-
-        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),
-                    isCurrent = cursor.getInt(6) == 1,
-                    classId = cursor.getInt(7),
-                    unitId = cursor.getInt(8),
-                    schoolYear = cursor.getInt(9),
-                    start = Converters().timestampToDate(cursor.getLong(10))!!,
-                    end = Converters().timestampToDate(cursor.getLong(11))!!
-                ))
-            } 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")
-            put("loginType", "STANDARD")
-            put("email", "jan@fakelog.cf")
-            put("password", "******")
-            put("symbol", "Default")
-            put("student_id", studentId)
-            put("class_id", classId)
-            put("student_name", "Jan Kowalski")
-            put("school_id", schoolId)
-            put("school_name", schoolName)
-            put("is_current", false)
-            put("registration_date", "0")
-        })
-    }
-
-    private fun createSemester(db: SupportSQLiteDatabase, studentId: Int, classId: Int, semesterId: Int, diaryId: Int, isCurrent: Boolean = false) {
-        db.insert("Semesters", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
-            put("student_id", studentId)
-            put("diary_id", diaryId)
-            put("diary_name", "IA")
-            put("semester_id", semesterId)
-            put("semester_name", "1")
-            put("is_current", isCurrent)
-            put("class_id", classId)
-            put("unit_id", "99")
-        })
-    }
-}
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/TestInternetObservingStrategy.kt
+++ b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/TestInternetObservingStrategy.kt
@ -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"
-}
--- 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
@ -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, "", "", "", "", "", "", "")
-    }
-}
--- 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
@ -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))
-    }
-}
--- 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
@ -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)
-    }
-}
--- 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
@ -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
-    }
-}
--- 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
@ -1,115 +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.GradePointsStatistics
-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, testDb.gradePointsStatistics)
-    }
-
-    @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")
-    }
-
-    @Test
-    fun saveAndRead_points() {
-        gradeStatisticsLocal.saveGradesPointsStatistics(listOf(
-            getGradePointsStatistics("Matematyka", 2, 1),
-            getGradePointsStatistics("Chemia", 2, 1),
-            getGradePointsStatistics("Fizyka", 1, 2)
-        ))
-
-        val stats = gradeStatisticsLocal.getGradesPointsStatistics(
-            Semester(2, 2, "", 2019, 1, 2, true, LocalDate.now(), LocalDate.now(), 1, 1),
-            "Matematyka"
-        ).blockingGet()
-        with(stats) {
-            assertEquals(subject, "Matematyka")
-            assertEquals(others, 5.0)
-            assertEquals(student, 5.0)
-        }
-    }
-
-    @Test
-    fun saveAndRead_subjectEmpty() {
-        gradeStatisticsLocal.saveGradesPointsStatistics(listOf())
-
-        val stats = gradeStatisticsLocal.getGradesPointsStatistics(
-            Semester(2, 2, "", 2019, 1, 2, true, LocalDate.now(), LocalDate.now(), 1, 1),
-            "Matematyka"
-        ).blockingGet()
-        assertEquals(null, stats)
-    }
-
-    @Test
-    fun saveAndRead_allEmpty() {
-        gradeStatisticsLocal.saveGradesPointsStatistics(listOf())
-
-        val stats = gradeStatisticsLocal.getGradesPointsStatistics(
-            Semester(2, 2, "", 2019, 1, 2, true, LocalDate.now(), LocalDate.now(), 1, 1),
-            "Wszystkie"
-        ).blockingGet()
-        assertEquals(null, stats)
-    }
-
-    private fun getGradeStatistics(subject: String, studentId: Int, semesterId: Int): GradeStatistics {
-        return GradeStatistics(studentId, semesterId, subject, 5, 5, false)
-    }
-
-    private fun getGradePointsStatistics(subject: String, studentId: Int, semesterId: Int): GradePointsStatistics {
-        return GradePointsStatistics(studentId, semesterId, subject, 5.0, 5.0)
-    }
-}
--- 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
@ -1,4 +1,4 @@
-package io.github.wulkanowy.data.repositories.attendance
+package io.github.wulkanowy.data.repositories.local

 import androidx.room.Room
 import androidx.test.core.app.ApplicationProvider
@ -11,7 +11,6 @@ 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)
@ -35,13 +34,13 @@ class AttendanceLocalTest {
    @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)
+                Attendance(1, 2, LocalDate.of(2018, 9, 10), 0, "", ""),
+                Attendance(1, 2, LocalDate.of(2018, 9, 14), 0, "", ""),
+                Attendance(1, 2, LocalDate.of(2018, 9, 17), 0, "", "")
        ))

        val attendance = attendanceLocal
-            .getAttendance(Semester(1, 2, "", 1, 3, 2019, true, now(), now(), 1, 1),
+                .getAttendance(Semester(1, 1, 2, "", 3, 1),
                        LocalDate.of(2018, 9, 10),
                        LocalDate.of(2018, 9, 14)
                )
--- a/app/src/androidTest/java/io/github/wulkanowy/data/repositories/local/ExamLocalTest.kt
+++ b/app/src/androidTest/java/io/github/wulkanowy/data/repositories/local/ExamLocalTest.kt
@ -1,4 +1,4 @@
-package io.github.wulkanowy.data.repositories.exam
+package io.github.wulkanowy.data.repositories.local

 import androidx.room.Room
 import androidx.test.core.app.ApplicationProvider
@ -40,7 +40,7 @@ class ExamLocalTest {
        ))

        val exams = examLocal
-            .getExams(Semester(1, 2, "", 1, 3, 2019, true, LocalDate.now(), LocalDate.now(), 1, 1),
+                .getExams(Semester(1, 1, 2, "", 3, 1),
                        LocalDate.of(2018, 9, 10),
                        LocalDate.of(2018, 9, 14)
                )
--- 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
@ -1,17 +1,16 @@
-package io.github.wulkanowy.data.repositories.student
+package io.github.wulkanowy.data.repositories.local

 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.SharedPrefHelper
 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)
@ -21,15 +20,15 @@ class StudentLocalTest {

    private lateinit var testDb: AppDatabase

-    private lateinit var sharedProvider: SharedPrefProvider
+    private lateinit var sharedHelper: SharedPrefHelper

    @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)
+        sharedHelper = SharedPrefHelper(context.getSharedPreferences("TEST", Context.MODE_PRIVATE))
+        studentLocal = StudentLocal(testDb.studentDao, sharedHelper, context)
    }

    @After
@ -39,8 +38,9 @@ class StudentLocalTest {

    @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 = "")))
+        studentLocal.saveStudent(Student(email = "test", password = "test123", schoolSymbol = "23", endpoint = "fakelog.cf", loginType = "AUTO", isCurrent = true))
            .blockingGet()
+        assert(studentLocal.isStudentSaved)

        val student = studentLocal.getCurrentStudent(true).blockingGet()
        assertEquals("23", student.schoolSymbol)
--- 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
@ -1,16 +1,17 @@
-package io.github.wulkanowy.data.repositories.timetable
+package io.github.wulkanowy.data.repositories.local

 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 io.github.wulkanowy.data.db.entities.Timetable
 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 org.threeten.bp.LocalDateTime
 import kotlin.test.assertEquals

@RunWith(AndroidJUnit4::class)
@ -22,8 +23,7 @@ class TimetableLocalTest {

    @Before
    fun createDb() {
-        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
-            .build()
+        testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java).build()
        timetableDb = TimetableLocal(testDb.timetableDao)
    }

@ -35,17 +35,19 @@ class TimetableLocalTest {
    @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))
+                Timetable(1, 2, 1, LocalDateTime.now(), LocalDateTime.now(),
+                        LocalDate.of(2018, 9, 10), "", "", "", "", ""),
+                Timetable(1, 2, 1, LocalDateTime.now(), LocalDateTime.now(),
+                        LocalDate.of(2018, 9, 14), "", "", "", "", ""),
+                Timetable(1, 2, 1, LocalDateTime.now(), LocalDateTime.now(),
+                        LocalDate.of(2018, 9, 17), "", "", "", "", "")
        ))

        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)
+                Semester(0, 1, 2, "3", 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))
--- 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
@ -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)
-    }
-}
--- 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
@ -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)
-    }
-}
--- 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
@ -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
-    )
-}
--- 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
@ -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)
-    }
-}
--- a/app/src/debug/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/debug/res/drawable/ic_launcher_foreground.xml
@ -0,0 +1,58 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="1926.9231"
+        android:viewportHeight="1926.9231">
+    <group android:translateX="462.46155"
+            android:translateY="462.46155">
+      <path
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+          android:pathData="m870.4,883h-124.4c-3.6,0 -6.9,-1.8 -8.9,-4.6l-83.7,-117.7c-0.5,-0.8 -1,-1.6 -1.3,-2.5l-41.5,-121.2c-0.8,-2.4 -2.7,-4.5 -5.1,-5.7l-101.6,-51.3c-2.8,-1.4 -4.8,-4 -5.4,-6.9l-15,-74.4c-0.2,-1.2 -0.7,-2.4 -1.5,-3.5l-34.5,-50.7c-1.9,-2.8 -2.2,-6.2 -0.8,-9.2l21,-44.9c1.6,-3.4 5.1,-5.7 9.1,-5.9l39,-2.3c2.3,-0.1 4.4,-0.9 6.1,-2.3l28.7,-22.3c5.4,-4.2 13.6,-2.4 16.5,3.5l98.9,201.2c0.4,0.9 0.7,1.8 0.9,2.7l12.2,80.9c0.3,1.9 1.1,3.6 2.4,5l197,215.6c5.8,6.4 0.9,16.5 -8.1,16.5z"
+          android:fillColor="#FFFFFF"/>
+      <path
+          android:pathData="m335.8,838.9c0.8,2.6 0.4,5.4 -1,7.7l-19.3,31.3c-1.9,3.1 -5.4,5.1 -9.2,5.1h-180.6c-8.4,0 -13.5,-8.8 -9,-15.4l116.3,-171.3c0.7,-1 1.1,-2.1 1.4,-3.2l53.3,-227.6c0.6,-2.7 2.4,-5 5,-6.4l72.2,-39.6c2.6,-1.4 4.4,-3.7 5,-6.5l9.7,-42.3c2,-8.8 14.6,-10.7 19.6,-3l3.5,5.6c1.5,2.4 1.9,5.4 0.9,8.1l-65.8,190.2c-0.5,1.5 -0.7,3.1 -0.4,4.7l16.4,91c0.3,1.8 0.1,3.7 -0.7,5.4l-39.1,87.8c-0.9,2.1 -1.1,4.4 -0.4,6.5z"
+          android:fillColor="#FFFFFF"/>
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+          android:pathData="m424.22,657.05 l1580.54,-0.05c0.54,0 0,292 0,292l-1580.54,-0.03c-10.78,0 -19.46,-8.68 -19.46,-19.46l0,-252.99c0,-10.78 8.68,-19.46 19.46,-19.46z"
+          android:strokeAlpha="0.49803922"
+          android:strokeLineJoin="round"
+          android:strokeWidth="4"
+          android:fillColor="#3f3f3f"
+          android:strokeColor="#00000000"
+          android:fillType="nonZero"
+          android:fillAlpha="1"
+          android:strokeLineCap="square"/>
+      <path
+          android:pathData="m728.71,710.91l0,19.89l-88.7,0l0,59.3l77.04,0L717.05,810l-77.04,0l0,65.39l89.84,0l0,19.9L616.56,895.29L616.56,791.16l-52.35,-52.35 -0.77,-0.18c5.41,6.64 9.65,14.32 12.69,23.09 3.72,10.39 5.62,21.92 5.7,34.6L581.84,809.87c-0.08,12.67 -1.98,24.25 -5.7,34.72 -3.63,10.39 -8.95,19.35 -15.97,26.87 -6.93,7.43 -15.46,13.26 -25.6,17.49 -7.54,3.1 -15.86,5.07 -24.97,5.89 -3.04,0.27 -6.16,0.42 -9.37,0.45L457.53,895.29l0,-6.55l-0.37,6.82 53.8,53.45l415.85,0c0.24,0 0.47,-0.02 0.69,-0.05L1132.91,948.97L953.5,769.55l-58.39,-58.39 -0.28,0.06 -58.03,184.06l-20.4,0l-44.66,-141.34zM783.29,711.07 L826.41,857.52 850.08,777.86zM509.6,711.29c1.52,0.15 3.01,0.33 4.49,0.54 -1.47,-0.21 -2.97,-0.39 -4.49,-0.54zM481.35,730.04l0,146.11l18.88,0c9.97,-0.08 18.59,-1.81 25.85,-5.19 7.27,-3.46 13.26,-8.15 17.99,-14.07 4.82,-5.91 8.36,-12.88 10.64,-20.91 2.37,-8.03 3.59,-16.73 3.68,-26.11l0,-13.81c-0.08,-9.38 -1.31,-18.04 -3.68,-25.98 -2.37,-8.03 -5.91,-14.95 -10.64,-20.78 -4.73,-5.91 -10.73,-10.56 -17.99,-13.94 -7.27,-3.38 -15.88,-5.15 -25.85,-5.32zM560.17,734.86c0.65,0.69 1.26,1.4 1.88,2.11 -0.61,-0.72 -1.23,-1.42 -1.88,-2.11z"
+          android:strokeAlpha="1"
+          android:strokeLineJoin="miter"
+          android:strokeWidth="1.94642854"
+          android:fillColor="#000000"
+          android:strokeColor="#00000000"
+          android:fillAlpha="0.18431373"
+          android:strokeLineCap="butt"/>
+      <path
+          android:pathData="m457.53,895.28l0,-184.51l42.7,0q19.26,0.25 34.34,6.59 15.21,6.21 25.6,17.49 10.52,11.15 15.97,26.86 5.58,15.59 5.7,34.59l0,13.56q-0.13,19.01 -5.7,34.72 -5.45,15.59 -15.97,26.86 -10.39,11.15 -25.6,17.49 -15.08,6.21 -34.34,6.34zM481.35,730.04l0,146.11l18.88,0q14.95,-0.13 25.85,-5.2 10.9,-5.2 17.99,-14.07 7.22,-8.87 10.64,-20.91 3.55,-12.04 3.67,-26.1l0,-13.81q-0.13,-14.07 -3.67,-25.98 -3.55,-12.04 -10.64,-20.78 -7.1,-8.87 -17.99,-13.94 -10.9,-5.07 -25.85,-5.32z"
+          android:fillColor="#ffffff"
+          android:strokeColor="#00000000"
+          android:fillAlpha="1"/>
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+          android:pathData="M717.05,810L640.01,810l0,65.39l89.84,0l0,19.9l-113.29,0l0,-184.51l112.15,0l0,20.02L640.01,730.8l0,59.31l77.05,0z"
+          android:fillColor="#ffffff"
+          android:strokeColor="#00000000"
+          android:fillAlpha="1"/>
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+          android:pathData="m826.41,857.52 l43.59,-146.74l24.96,0l-58.16,184.51L816.4,895.28l-58.29,-184.51l25.09,0z"
+          android:fillColor="#ffffff"
+          android:strokeColor="#00000000"
+          android:fillAlpha="1"/>
+    </group>
+</vector>
--- a/app/src/debug/res/drawable/ic_launcher_foreground_dev.xml
+++ b/app/src/debug/res/drawable/ic_launcher_foreground_dev.xml
@ -1,34 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="1926"
-    android:viewportHeight="1926">
-    <path
-        android:fillColor="#ad2a2a"
-        android:pathData="M2465,1904v561h-759L704,1463l-120,-120 -1,-1 5,-9 1,-3c9,-15 20,-29 31,-43l16,-19 3,-4 21,-30 3,-6c7,-11 12,-23 18,-35l14,-24 3,-4v-1a234,234 0,0 0,20 -53v-1l1,-3c4,-15 7,-31 13,-46l5,-9v-1c5,-10 11,-19 14, -30 2,-9 3,-19 3,-28v-1,-21l3,-17v-3l4,-17h1v-1c0,-2 -1,-4 -3,-4l8,-8 4,1c13,-4 25,-10 37,-17l8,-5 22,-16 9,-9v-1l5, -11c3,-9 2,-19 2,-29l6,-6 4,2 45,45 10,9 14,14 101,101 17,17 16,17 31,-31 -193,-191 1,-2 1,-2 -1,-3v-1l-1,-1 27,-27 192,-192 2,1a27,27 0,0 1,14 3l6,6c2,2 8,3 9,1l1310,1310z" />
-    <path
-        android:fillColor="#fff"
-        android:pathData="M1082,1260v4l-6,73c0,5 -5,9 -10,9H879c-4,0 -8,-2 -10,-5l-31,-58 -29,-71v-8l48,-94c2,-3 2,-5 1, -8l-24,-65c-1,-2 0,-5 1,-7l39,-84c4,-8 17,-8 20,1l12,38 38,101c1,2 3,5 6,6l80,27c3,1 6,3 7,6l45,135zM852,717c0,-23 15,-43 35,-52l-2,-8c0,-11 13,-20 29,-20h1a38,38 0,0 1,36 -18l3,-2c11,-16 37,-27 68,-27 12,0 23,2 32,4 3,-3 8,-6 14,-6s12,3 14,8c8,-9 22,-16 38,-16 25,0 45,16 45,36l-1,7 3,4c16,6 27,17 27,30 0,14 -15,27 -34,32 -2,0 -3,1 -3,3 0,11 -11,21 -26,22v1c0,22 -41,40 -92,40 -11,0 -21,-1 -31,-3v1c0,9 -12,16 -26,16h-2l2,7c0,14 -18,25 -40,25h-7l-4, 2c-2,7 -8,12 -15,12 -9,0 -16,-7 -16,-16 0,-5 1,-8 4,-11l1,-4c-2,-3 -2,-5 -2,-8 0,-2 -2,-3 -3,-3 -27,-6 -48,-29 -48,-56z" />
-    <path
-        android:fillColor="#fff"
-        android:pathData="M1336,1346h-125c-3,0 -6,-1 -8,-4l-84,-118 -1,-2 -42,-122 -5,-5 -102,-52 -5,-6 -15,-75 -2,-3 -34,-51c-2,-3 -2,-6 -1,-9l21,-45c2,-4 5,-6 9,-6l39,-2c3,0 5,-1 6,-3l29,-22c5,-4 14,-2 17,4l98,201 1,2 13,81 2,5 197,216c6,6 1,16 -8,16zM801,1302c1,3 1,6 -1,8l-19,31c-2,3 -5,5 -9,5H591c-8,0 -13,-8 -9,-15l116,-171 2,-3 53, -228c1,-3 3,-5 5,-6l72,-40c3,-1 5,-4 5,-7l10,-42c2,-9 15,-11 20,-3l3,6c2,2 2,5 1,8l-66,190v5l16,91v5l-40,88v6l22,72z" />
-    <path
-        android:fillColor="#3f3f3f"
-        android:pathData="M886.7,1119.5h1580.5c0.6,0 0,292 0,292H886.7a19.4,19.4 0,0 1,-19.5 -19.5v-253c0,-10.8 8.7,-19.5 19.5,-19.5z"
-        android:strokeWidth="4"
-        android:strokeAlpha=".5"
-        android:strokeColor="#000"
-        android:strokeLineCap="square"
-        android:strokeLineJoin="round" />
-    <path
-        android:fillAlpha=".2"
-        android:fillColor="#000"
-        android:pathData="M1191.2,1173.4v19.9h-88.7v59.3h77v19.9h-77v65.4h89.8v19.9L1079,1357.8v-104.2l-52.3,-52.3 -0.8, -0.2a75.1,75.1 0,0 1,12.7 23,104 104,0 0,1 5.7,34.7v13.5c0,12.7 -2,24.3 -5.7,34.8a72.8,72.8 0,0 1,-41.6 44.4,85.5 85.5,0 0,1 -34.3,6.3L920,1357.8v-6.6l-0.4,6.8 53.8,53.5h622L1416,1232l-58.4,-58.4h-0.3l-58,184.1h -20.4l-44.7,-141.3zM1245.8,1173.5l43,146.5 23.7,-79.7zM972.1,1173.8zM943.8,1192.5v146.1h18.9a62,62 0,0 0,25.8 -5.2,50.3 50.3,0 0,0 18,-14c4.9,-6 8.4,-13 10.7,-21 2.3,-8 3.6,-16.7 3.7,-26v-13.9c-0.1,-9.4 -1.4,-18 -3.7,-26 -2.4,-8 -6,-15 -10.7,-20.7a49.3,49.3 0,0 0,-18 -14,63.4 63.4,0 0,0 -25.8,-5.3zM1022.6,1197.3l2,2.1 -2,-2z"
-        android:strokeWidth="1.9"
-        android:strokeColor="#000" />
-    <path
-        android:fillColor="#fff"
-        android:pathData="M920,1357.7v-184.5h42.7q19.3,0.3 34.3,6.6 15.2,6.2 25.6,17.5 10.6,11.2 16,26.9 5.6,15.6 5.7, 34.6v13.5q-0.1,19 -5.7,34.7 -5.4,15.6 -16,26.9 -10.4,11.2 -25.6,17.5 -15,6.2 -34.3,6.3zM943.8,1192.5v146.1h18.9q15, -0.1 25.8,-5.2 11,-5.2 18,-14 7.3,-9 10.7,-21 3.5,-12 3.6,-26v-13.9q0,-14 -3.6,-26t-10.7,-20.7q-7,-9 -18,-14 -10.9,-5 -25.8,-5.3zM1179.5,1272.5h-77v65.4h89.8v19.9L1079,1357.8v-184.6h112.2v20h-88.7v59.4h77zM1288.9, 1320l43.6,-146.8h25l-58.2,184.6h-20.4l-58.3,-184.6h25z"
-        android:strokeWidth="1"
-        android:strokeColor="#000" />
-</vector>
--- a/app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml
@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/colorPrimary" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground_dev" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>
--- a/app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/colorPrimary" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground_dev" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>
--- a/app/src/debug/res/values-pl/strings.xml
+++ b/app/src/debug/res/values-pl/strings.xml
@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Wulkanowy DEV</string>
+</resources>
--- a/app/src/debug/res/values/ic_launcher_background.xml
+++ b/app/src/debug/res/values/ic_launcher_background.xml
@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#D32F2F</color>
+</resources>
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/CrashlyticsUtils.kt
@ -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
-    }
-}
--- a/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
+++ b/app/src/fdroid/java/io/github/wulkanowy/utils/FirebaseAnalyticsHelper.kt
@ -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
-    }
-}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -4,6 +4,8 @@
    package="io.github.wulkanowy"
    android:installLocation="internalOnly">

+    <uses-sdk tools:overrideLibrary="com.readystatesoftware.chuck"/>
+
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
@ -18,13 +20,14 @@
        android:supportsRtl="false"
        android:theme="@style/WulkanowyTheme"
        android:usesCleartextTraffic="true"
-        tools:ignore="GoogleAppIndexingWarning,UnusedAttribute">
+        tools:ignore="GoogleAppIndexingWarning">
        <activity
            android:name=".ui.modules.splash.SplashActivity"
            android:screenOrientation="portrait"
            android:theme="@style/WulkanowyTheme.SplashScreen">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
+
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
@ -32,45 +35,26 @@
            android:name=".ui.modules.login.LoginActivity"
            android:configChanges="orientation|screenSize"
            android:label="@string/login_title"
-            android:theme="@style/WulkanowyTheme.NoActionBar"
            android:windowSoftInputMode="adjustResize" />
        <activity
            android:name=".ui.modules.main.MainActivity"
            android:configChanges="orientation|screenSize"
            android:label="@string/main_title"
            android:theme="@style/WulkanowyTheme.NoActionBar" />
-        <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" />
-        <activity
-            android:name=".ui.modules.timetablewidget.TimetableWidgetConfigureActivity"
-            android:excludeFromRecents="true"
-            android:noHistory="true"
-            android:theme="@style/WulkanowyTheme.WidgetAccountSwitcher">
-            <intent-filter>
-                <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
-            </intent-filter>
-        </activity>
-        <activity
-            android:name=".ui.modules.luckynumberwidget.LuckyNumberWidgetConfigureActivity"
-            android:excludeFromRecents="true"
-            android:noHistory="true"
-            android:theme="@style/WulkanowyTheme.WidgetAccountSwitcher">
-            <intent-filter>
-                <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
-            </intent-filter>
-        </activity>

+        <service
+            android:name=".services.job.SyncWorker"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.firebase.jobdispatcher.ACTION_EXECUTE" />
+            </intent-filter>
+        </service>
        <service
            android:name=".services.widgets.TimetableWidgetService"
            android:permission="android.permission.BIND_REMOTEVIEWS" />

        <receiver
-            android:name=".ui.modules.timetablewidget.TimetableWidgetProvider"
-            android:exported="true"
+            android:name=".ui.widgets.timetable.TimetableWidgetProvider"
            android:label="@string/timetable_title">
            <intent-filter>
                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
@ -79,22 +63,6 @@
                android:name="android.appwidget.provider"
                android:resource="@xml/provider_widget_timetable" />
        </receiver>
-        <receiver
-            android:name=".ui.modules.luckynumberwidget.LuckyNumberWidgetProvider"
-            android:label="@string/lucky_number_title">
-            <intent-filter>
-                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
-            </intent-filter>
-            <meta-data
-                android:name="android.appwidget.provider"
-                android:resource="@xml/provider_widget_lucky_number" />
-        </receiver>
-
-        <provider
-            android:name="androidx.work.impl.WorkManagerInitializer"
-            android:authorities="${applicationId}.workmanager-init"
-            android:exported="false"
-            tools:node="remove" />

        <meta-data
            android:name="io.fabric.ApiKey"
--- a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
+++ b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
@ -1,45 +1,28 @@
 package io.github.wulkanowy

 import android.content.Context
-import android.util.Log.INFO
-import android.util.Log.VERBOSE
+import androidx.appcompat.app.AppCompatDelegate
 import androidx.multidex.MultiDex
-import androidx.work.Configuration
+import com.crashlytics.android.Crashlytics
+import com.crashlytics.android.core.CrashlyticsCore
 import com.jakewharton.threetenabp.AndroidThreeTen
-import com.yariksoffice.lingver.Lingver
 import dagger.android.AndroidInjector
 import dagger.android.support.DaggerApplication
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.utils.Log
-import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.db.SharedPrefProvider.Companion.APP_VERSION_CODE_KEY
+import io.fabric.sdk.android.Fabric
+import io.github.wulkanowy.BuildConfig.DEBUG
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.di.DaggerAppComponent
-import io.github.wulkanowy.services.sync.SyncWorkerFactory
-import io.github.wulkanowy.ui.base.ThemeManager
-import io.github.wulkanowy.utils.ActivityLifecycleLogger
-import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.CrashlyticsTree
 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 {
+class WulkanowyApp : DaggerApplication() {

    @Inject
-    lateinit var workerFactory: SyncWorkerFactory
-
-    @Inject
-    lateinit var themeManager: ThemeManager
-
-    @Inject
-    lateinit var sharedPrefProvider: SharedPrefProvider
-
-    @Inject
-    lateinit var appInfo: AppInfo
+    lateinit var prefRepository: PreferencesRepository

    override fun attachBaseContext(base: Context?) {
        super.attachBaseContext(base)
@ -49,46 +32,24 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
    override fun onCreate() {
        super.onCreate()
        AndroidThreeTen.init(this)
-        RxJavaPlugins.setErrorHandler(::onError)
-        Lingver.init(this)
-        themeManager.applyDefaultTheme()
-        migrateSharedPreferences()
-
-        initLogging()
-        initCrashlytics(this, appInfo)
+        initializeFabric()
+        if (DEBUG) enableDebugLog()
+        AppCompatDelegate.setDefaultNightMode(prefRepository.currentTheme)
    }

-    private fun initLogging() {
-        if (appInfo.isDebug) {
-            Timber.plant(DebugLogTree())
-            FlexibleAdapter.enableLogs(Log.Level.DEBUG)
-        } else {
-            Timber.plant(CrashlyticsTree())
-        }
-        registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
+    private fun enableDebugLog() {
+        Timber.plant(DebugLogTree())
+        FlexibleAdapter.enableLogs(Log.Level.DEBUG)
    }

-    private fun migrateSharedPreferences() {
-        if (sharedPrefProvider.getLong(APP_VERSION_CODE_KEY, -1) < 48) { // #596
-            sharedPrefProvider.delete(getString(R.string.pref_key_grade_modifier_plus))
-            sharedPrefProvider.delete(getString(R.string.pref_key_grade_modifier_minus))
-        }
-    }
-
-    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 initializeFabric() {
+        Fabric.with(Fabric.Builder(this).kits(
+            Crashlytics.Builder().core(CrashlyticsCore.Builder().disabled(!BuildConfig.CRASHLYTICS_ENABLED).build()).build()
+        ).debuggable(BuildConfig.DEBUG).build())
+        Timber.plant(CrashlyticsTree())
    }

    override fun applicationInjector(): AndroidInjector<out DaggerApplication> {
-        return DaggerAppComponent.factory().create(this)
+        return DaggerAppComponent.builder().create(this)
    }
-
-    override fun getWorkManagerConfiguration() = Configuration.Builder()
-        .setWorkerFactory(workerFactory)
-        .setMinimumLoggingLevel(if (appInfo.isDebug) VERBOSE else INFO)
-        .build()
 }
--- a/app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/ApiHelper.kt
@ -14,22 +14,14 @@ class ApiHelper @Inject constructor(private val api: Api) {
            symbol = student.symbol
            schoolSymbol = student.schoolSymbol
            studentId = student.studentId
-            classId = student.classId
+            useNewStudent = false
            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
-        }
+        initApi(Student(email = email, password = password, symbol = symbol, endpoint = endpoint, loginType = "AUTO"))
    }
 }
--- a/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/RepositoryModule.kt
@ -5,7 +5,7 @@ import android.content.SharedPreferences
 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.github.pwittchen.reactivenetwork.library.rx2.internet.observing.strategy.SocketInternetObservingStrategy
 import com.readystatesoftware.chuck.api.ChuckCollector
 import com.readystatesoftware.chuck.api.ChuckInterceptor
 import com.readystatesoftware.chuck.api.RetentionManager
@ -13,7 +13,7 @@ import dagger.Module
 import dagger.Provides
 import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import okhttp3.logging.HttpLoggingInterceptor
 import okhttp3.logging.HttpLoggingInterceptor.Level.BASIC
 import okhttp3.logging.HttpLoggingInterceptor.Level.NONE
@ -27,7 +27,8 @@ internal class RepositoryModule {
    @Provides
    fun provideInternetObservingSettings(): InternetObservingSettings {
        return InternetObservingSettings.builder()
-            .strategy(WalledGardenInternetObservingStrategy())
+            .strategy(SocketInternetObservingStrategy())
+            .host("www.google.com")
            .build()
    }

@ -49,7 +50,7 @@ internal class RepositoryModule {
    @Provides
    fun provideChuckCollector(context: Context, prefRepository: PreferencesRepository): ChuckCollector {
        return ChuckCollector(context)
-            .showNotification(prefRepository.isDebugNotificationEnable)
+            .showNotification(prefRepository.isShowChuckerNotification)
            .retentionManager(RetentionManager(context, ChuckCollector.Period.ONE_HOUR))
    }

@ -81,14 +82,6 @@ internal class RepositoryModule {
    @Provides
    fun provideGradeSummaryDao(database: AppDatabase) = database.gradeSummaryDao

-    @Singleton
-    @Provides
-    fun provideGradeStatisticsDao(database: AppDatabase) = database.gradeStatistics
-
-    @Singleton
-    @Provides
-    fun provideGradePointsStatisticsDao(database: AppDatabase) = database.gradePointsStatistics
-
    @Singleton
    @Provides
    fun provideMessagesDao(database: AppDatabase) = database.messagesDao
@ -120,32 +113,4 @@ internal class RepositoryModule {
    @Singleton
    @Provides
    fun provideSubjectDao(database: AppDatabase) = database.subjectDao
-
-    @Singleton
-    @Provides
-    fun provideLuckyNumberDao(database: AppDatabase) = database.luckyNumberDao
-
-    @Singleton
-    @Provides
-    fun provideCompletedLessonsDao(database: AppDatabase) = database.completedLessonsDao
-
-    @Singleton
-    @Provides
-    fun provideReportingUnitDao(database: AppDatabase) = database.reportingUnitDao
-
-    @Singleton
-    @Provides
-    fun provideRecipientDao(database: AppDatabase) = database.recipientDao
-
-    @Singleton
-    @Provides
-    fun provideMobileDevicesDao(database: AppDatabase) = database.mobileDeviceDao
-
-    @Singleton
-    @Provides
-    fun provideTeacherDao(database: AppDatabase) = database.teacherDao
-
-    @Singleton
-    @Provides
-    fun provideSchoolInfoDao(database: AppDatabase) = database.schoolDao
 }
--- a/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/AppDatabase.kt
@ -6,66 +6,30 @@ import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.RoomDatabase.JournalMode.TRUNCATE
 import androidx.room.TypeConverters
-import androidx.room.migration.Migration
 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.ExamDao
 import io.github.wulkanowy.data.db.dao.GradeDao
-import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
-import io.github.wulkanowy.data.db.dao.GradeStatisticsDao
 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.MessagesDao
-import io.github.wulkanowy.data.db.dao.MobileDeviceDao
+import io.github.wulkanowy.data.db.dao.HomeworkDao
 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.SubjectDao
-import io.github.wulkanowy.data.db.dao.TeacherDao
 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.Exam
 import io.github.wulkanowy.data.db.entities.Grade
-import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
 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.MobileDevice
+import io.github.wulkanowy.data.db.entities.Homework
 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.Subject
-import io.github.wulkanowy.data.db.entities.Teacher
 import io.github.wulkanowy.data.db.entities.Timetable
-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.Migration2
-import io.github.wulkanowy.data.db.migrations.Migration3
-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 javax.inject.Singleton

@Singleton
@ -79,57 +43,21 @@ import javax.inject.Singleton
        AttendanceSummary::class,
        Grade::class,
        GradeSummary::class,
-        GradeStatistics::class,
-        GradePointsStatistics::class,
        Message::class,
        Note::class,
        Homework::class,
-        Subject::class,
-        LuckyNumber::class,
-        CompletedLesson::class,
-        ReportingUnit::class,
-        Recipient::class,
-        MobileDevice::class,
-        Teacher::class,
-        School::class
+        Subject::class
    ],
-    version = AppDatabase.VERSION_SCHEMA,
-    exportSchema = true
+    version = 1,
+    exportSchema = false
 )
@TypeConverters(Converters::class)
 abstract class AppDatabase : RoomDatabase() {

    companion object {
-        const val VERSION_SCHEMA = 18
-
-        fun getMigrations(): Array<Migration> {
-            return arrayOf(
-                Migration2(),
-                Migration3(),
-                Migration4(),
-                Migration5(),
-                Migration6(),
-                Migration7(),
-                Migration8(),
-                Migration9(),
-                Migration10(),
-                Migration11(),
-                Migration12(),
-                Migration13(),
-                Migration14(),
-                Migration15(),
-                Migration16(),
-                Migration17(),
-                Migration18()
-            )
-        }
-
        fun newInstance(context: Context): AppDatabase {
            return Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
                .setJournalMode(TRUNCATE)
-                .fallbackToDestructiveMigrationFrom(VERSION_SCHEMA + 1)
-                .fallbackToDestructiveMigrationOnDowngrade()
-                .addMigrations(*getMigrations())
                .build()
        }
    }
@ -150,10 +78,6 @@ abstract class AppDatabase : RoomDatabase() {

    abstract val gradeSummaryDao: GradeSummaryDao

-    abstract val gradeStatistics: GradeStatisticsDao
-
-    abstract val gradePointsStatistics: GradePointsStatisticsDao
-
    abstract val messagesDao: MessagesDao

    abstract val noteDao: NoteDao
@ -161,18 +85,4 @@ abstract class AppDatabase : RoomDatabase() {
    abstract val homeworkDao: HomeworkDao

    abstract val subjectDao: SubjectDao
-
-    abstract val luckyNumberDao: LuckyNumberDao
-
-    abstract val completedLessonsDao: CompletedLessonsDao
-
-    abstract val reportingUnitDao: ReportingUnitDao
-
-    abstract val recipientDao: RecipientDao
-
-    abstract val mobileDeviceDao: MobileDeviceDao
-
-    abstract val teacherDao: TeacherDao
-
-    abstract val schoolDao: SchoolDao
 }
--- a/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/Converters.kt
@ -1,8 +1,6 @@
 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
@ -38,14 +36,4 @@ class Converters {

    @TypeConverter
    fun intToMonth(value: Int?) = value?.let { Month.of(it) }
-
-    @TypeConverter
-    fun intListToGson(list: List<Int>): String {
-        return Gson().toJson(list)
-    }
-
-    @TypeConverter
-    fun gsonToIntList(value: String): List<Int> {
-        return Gson().fromJson(value, object : TypeToken<List<Int>>() {}.type)
-    }
 }
--- a/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefHelper.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefHelper.kt
@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.db
+
+import android.annotation.SuppressLint
+import android.content.SharedPreferences
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SharedPrefHelper @Inject constructor(private val sharedPref: SharedPreferences) {
+
+    @SuppressLint("ApplySharedPref")
+    fun putLong(key: String, value: Long, sync: Boolean = false) {
+        sharedPref.edit().putLong(key, value).apply {
+            if (sync) commit() else apply()
+        }
+    }
+
+    fun getLong(key: String, defaultValue: Long): Long {
+        return sharedPref.getLong(key, defaultValue)
+    }
+
+    fun putBoolean(key: String, value: Boolean) {
+        sharedPref.edit().putBoolean(key, value).apply()
+    }
+
+    fun getBoolean(key: String, defaultValue: Boolean): Boolean {
+        return sharedPref.getBoolean(key, defaultValue)
+    }
+
+    fun delete(key: String) {
+        sharedPref.edit().remove(key).apply()
+    }
+}
--- a/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/SharedPrefProvider.kt
@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.db
-
-import android.content.SharedPreferences
-import androidx.core.content.edit
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-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) }
-    }
-
-    fun getLong(key: String, defaultValue: Long) = sharedPref.getLong(key, defaultValue)
-
-    fun delete(key: String) {
-        sharedPref.edit().remove(key).apply()
-    }
-}
--- 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
@ -1,6 +1,8 @@
 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
@ -9,7 +11,13 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface AttendanceDao : BaseDao<Attendance> {
+interface AttendanceDao {
+
+    @Insert
+    fun insertAll(exams: List<Attendance>): List<Long>
+
+    @Delete
+    fun deleteAll(exams: List<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>>
--- 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
@ -1,12 +1,20 @@
 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

@Dao
-interface AttendanceSummaryDao : BaseDao<AttendanceSummary> {
+interface AttendanceSummaryDao {
+
+    @Insert
+    fun insertAll(exams: List<AttendanceSummary>): List<Long>
+
+    @Delete
+    fun deleteAll(exams: List<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>>
--- 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
@ -1,17 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Delete
-import androidx.room.Insert
-import androidx.room.Update
-
-interface BaseDao<T> {
-
-    @Insert
-    fun insertAll(items: List<T>): List<Long>
-
-    @Update
-    fun updateAll(items: List<T>)
-
-    @Delete
-    fun deleteAll(items: List<T>)
-}
--- 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
@ -1,16 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.CompletedLesson
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-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>>
-}
--- 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
@ -1,6 +1,8 @@
 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
@ -9,7 +11,13 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface ExamDao : BaseDao<Exam> {
+interface ExamDao {
+
+    @Insert
+    fun insertAll(exams: List<Exam>): List<Long>
+
+    @Delete
+    fun deleteAll(exams: List<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>>
--- 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
@ -1,16 +1,33 @@
 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 javax.inject.Singleton

@Singleton
@Dao
-interface GradeDao : BaseDao<Grade> {
+interface GradeDao {
+
+    @Insert
+    fun insertAll(grades: List<Grade>)
+
+    @Update
+    fun update(grade: Grade)
+
+    @Update
+    fun updateAll(grade: List<Grade>)
+
+    @Delete
+    fun deleteAll(grades: List<Grade>)

    @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId")
    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Grade>>

+    @Query("SELECT * FROM Grades WHERE is_read = 0 AND semester_id = :semesterId AND student_id = :studentId")
+    fun loadAllNew(semesterId: Int, studentId: Int): Maybe<List<Grade>>
 }
--- 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
@ -1,18 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.reactivex.Maybe
-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): Maybe<GradePointsStatistics>
-
-    @Query("SELECT * FROM GradesPointsStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
-    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<GradePointsStatistics>>
-}
--- 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
@ -1,18 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import io.reactivex.Maybe
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface GradeStatisticsDao : BaseDao<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>>
-}
--- 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
@ -1,6 +1,8 @@
 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
@ -8,8 +10,14 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface GradeSummaryDao : BaseDao<GradeSummary> {
+interface GradeSummaryDao {

-    @Query("SELECT * FROM GradesSummary WHERE student_id = :studentId AND semester_id = :semesterId")
+    @Insert
+    fun insertAll(gradesSummary: List<GradeSummary>)
+
+    @Delete
+    fun deleteAll(gradesSummary: List<GradeSummary>)
+
+    @Query("SELECT * FROM grades_summary WHERE student_id = :studentId AND semester_id = :semesterId")
    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<GradeSummary>>
 }
--- 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
@ -1,6 +1,8 @@
 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
@ -9,8 +11,14 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface HomeworkDao : BaseDao<Homework> {
+interface HomeworkDao {

-    @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>>
+    @Insert
+    fun insertAll(homework: List<Homework>)
+
+    @Delete
+    fun deleteAll(homework: List<Homework>)
+
+    @Query("SELECT * FROM Homework WHERE semester_id = :semesterId AND student_id = :studentId AND date = :date")
+    fun loadAll(semesterId: Int, studentId: Int, date: LocalDate): Maybe<List<Homework>>
 }
--- 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
@ -1,16 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.LuckyNumber
-import io.reactivex.Maybe
-import org.threeten.bp.LocalDate
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface LuckyNumberDao : BaseDao<LuckyNumber> {
-
-    @Query("SELECT * FROM LuckyNumbers WHERE student_id = :studentId AND date = :date")
-    fun load(studentId: Int, date: LocalDate): Maybe<LuckyNumber>
-}
--- 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
@ -1,19 +1,37 @@
 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.Message
 import io.reactivex.Maybe

@Dao
-interface MessagesDao : BaseDao<Message> {
+interface MessagesDao {

-    @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>>
+    @Insert
+    fun insertAll(messages: List<Message>): List<Long>

-    @Query("SELECT * FROM Messages WHERE id = :id")
-    fun load(id: Long): Maybe<Message>
+    @Delete
+    fun deleteAll(messages: List<Message>)
+
+    @Update
+    fun update(message: Message)
+
+    @Update
+    fun updateAll(messages: List<Message>)
+
+    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND real_id = :id")
+    fun loadOne(studentId: Int, id: Int): Maybe<Message>
+
+    @Query("SELECT * FROM Messages WHERE student_id = :studentId AND folder_id = :folder ORDER BY date DESC")
+    fun load(studentId: Int, folder: Int): Maybe<List<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 unread = 1 AND student_id = :studentId")
+    fun loadNewMessages(studentId: Int): Maybe<List<Message>>
 }
--- 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
@ -1,13 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.MobileDevice
-import io.reactivex.Maybe
-
-@Dao
-interface MobileDeviceDao : BaseDao<MobileDevice> {
-
-    @Query("SELECT * FROM MobileDevices WHERE student_id = :studentId ORDER BY date DESC")
-    fun loadAll(studentId: Int): Maybe<List<MobileDevice>>
-}
--- 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
@ -1,15 +1,33 @@
 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 javax.inject.Singleton

@Singleton
@Dao
-interface NoteDao : BaseDao<Note> {
+interface NoteDao {

-    @Query("SELECT * FROM Notes WHERE student_id = :studentId")
-    fun loadAll(studentId: Int): Maybe<List<Note>>
+    @Insert
+    fun insertAll(notes: List<Note>)
+
+    @Update
+    fun update(note: Note)
+
+    @Update
+    fun updateAll(notes: List<Note>)
+
+    @Delete
+    fun deleteAll(notes: List<Note>)
+
+    @Query("SELECT * FROM Notes WHERE semester_id = :semesterId AND student_id = :studentId")
+    fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Note>>
+
+    @Query("SELECT * FROM Notes WHERE is_read = 0 AND semester_id = :semesterId AND student_id = :studentId")
+    fun loadNew(semesterId: Int, studentId: Int): Maybe<List<Note>>
 }
--- 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
@ -1,15 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.Recipient
-import io.reactivex.Maybe
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface RecipientDao : BaseDao<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>>
-}
--- 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
@ -1,18 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.ReportingUnit
-import io.reactivex.Maybe
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface ReportingUnitDao : BaseDao<ReportingUnit> {
-
-    @Query("SELECT * FROM ReportingUnits WHERE student_id = :studentId")
-    fun load(studentId: Int): Maybe<List<ReportingUnit>>
-
-    @Query("SELECT * FROM ReportingUnits WHERE student_id = :studentId AND real_id = :unitId")
-    fun loadOne(studentId: Int, unitId: Int): Maybe<ReportingUnit>
-}
--- 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
@ -1,15 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.School
-import io.reactivex.Maybe
-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): Maybe<School>
-}
--- 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
@ -1,6 +1,8 @@
 package io.github.wulkanowy.data.db.dao

 import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy.IGNORE
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Semester
 import io.reactivex.Maybe
@ -8,8 +10,17 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface SemesterDao : BaseDao<Semester> {
+interface SemesterDao {

-    @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
-    fun loadAll(studentId: Int, classId: Int): Maybe<List<Semester>>
+    @Insert(onConflict = IGNORE)
+    fun insertAll(semester: List<Semester>)
+
+    @Query("SELECT * FROM Semesters WHERE student_id = :studentId")
+    fun loadAll(studentId: Int): Maybe<List<Semester>>
+
+    @Query("UPDATE Semesters SET is_current = 1 WHERE semester_id = :semesterId AND diary_id = :diaryId")
+    fun updateCurrent(semesterId: Int, diaryId: Int)
+
+    @Query("UPDATE Semesters SET is_current = 0 WHERE student_id = :studentId")
+    fun resetCurrent(studentId: Int)
 }
--- 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
@ -3,7 +3,7 @@ package io.github.wulkanowy.data.db.dao
 import androidx.room.Dao
 import androidx.room.Delete
 import androidx.room.Insert
-import androidx.room.OnConflictStrategy.ABORT
+import androidx.room.OnConflictStrategy.FAIL
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Student
 import io.reactivex.Maybe
@ -13,8 +13,8 @@ import javax.inject.Singleton
@Dao
 interface StudentDao {

-    @Insert(onConflict = ABORT)
-    fun insertAll(student: List<Student>): List<Long>
+    @Insert(onConflict = FAIL)
+    fun insert(student: Student): Long

    @Delete
    fun delete(student: Student)
@ -25,8 +25,8 @@ interface StudentDao {
    @Query("SELECT * FROM Students")
    fun loadAll(): Maybe<List<Student>>

-    @Query("UPDATE Students SET is_current = 1 WHERE id = :id")
-    fun updateCurrent(id: Long)
+    @Query("UPDATE Students SET is_current = 1 WHERE student_id = :studentId")
+    fun updateCurrent(studentId: Int)

    @Query("UPDATE Students SET is_current = 0")
    fun resetCurrent()
--- 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
@ -1,12 +1,20 @@
 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

@Dao
-interface SubjectDao : BaseDao<Subject> {
+interface SubjectDao {
+
+    @Insert
+    fun insertAll(subjects: List<Subject>): List<Long>
+
+    @Delete
+    fun deleteAll(subjects: List<Subject>)

    @Query("SELECT * FROM Subjects WHERE diary_id = :diaryId AND student_id = :studentId")
    fun loadAll(diaryId: Int, studentId: Int): Maybe<List<Subject>>
--- 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
@ -1,15 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.Teacher
-import io.reactivex.Maybe
-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): Maybe<List<Teacher>>
-}
--- 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
@ -1,6 +1,8 @@
 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
@ -9,7 +11,13 @@ import javax.inject.Singleton

@Singleton
@Dao
-interface TimetableDao : BaseDao<Timetable> {
+interface TimetableDao {
+
+    @Insert
+    fun insertAll(exams: List<Timetable>): List<Long>
+
+    @Delete
+    fun deleteAll(exams: List<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>>
--- 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
@ -10,30 +10,30 @@ import java.io.Serializable
 data class Attendance(

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

    @ColumnInfo(name = "diary_id")
-    val diaryId: Int,
+    var diaryId: Int,

-    val date: LocalDate,
+    var date: LocalDate,

-    val number: Int,
+    var number: Int,

-    val subject: String,
+    var subject: String,

-    val name: String,
+    var name: String,

-    val presence: Boolean,
+    var presence: Boolean = false,

-    val absence: Boolean,
+    var absence: Boolean = false,

-    val exemption: Boolean,
+    var exemption: Boolean = false,

-    val lateness: Boolean,
+    var lateness: Boolean = false,

-    val excused: Boolean,
+    var excused: Boolean = false,

-    val deleted: Boolean
+    var deleted: Boolean = false
 ) : Serializable {

    @PrimaryKey(autoGenerate = true)
--- 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
@ -10,13 +10,13 @@ import java.io.Serializable
 data class AttendanceSummary(

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

    @ColumnInfo(name = "diary_id")
-    val diaryId: Int,
+    var diaryId: Int,

    @ColumnInfo(name = "subject_id")
-    val subjectId: Int,
+    var subjectId: Int = 0,

    val month: Month,

--- 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
@ -1,40 +0,0 @@
-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
-
-@Entity(tableName = "CompletedLesson")
-data class CompletedLesson(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "diary_id")
-    val diaryId: Int,
-
-    val date: LocalDate,
-
-    val number: Int,
-
-    val subject: String,
-
-    val topic: String,
-
-    val teacher: String,
-
-    @ColumnInfo(name = "teacher_symbol")
-    val teacherSymbol: String,
-
-    val substitution: String,
-
-    val absence: String,
-
-    val resources: String
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
--- 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
@ -9,29 +9,29 @@ import java.io.Serializable
@Entity(tableName = "Exams")
 data class Exam(

-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+        @ColumnInfo(name = "student_id")
+        var studentId: Int,

-    @ColumnInfo(name = "diary_id")
-    val diaryId: Int,
+        @ColumnInfo(name = "diary_id")
+        var diaryId: Int,

-    val date: LocalDate,
+        var date: LocalDate,

-    @ColumnInfo(name = "entry_date")
-    val entryDate: LocalDate,
+        @ColumnInfo(name = "entry_date")
+        var entryDate: LocalDate = LocalDate.now(),

-    val subject: String,
+        var subject: String,

-    val group: String,
+        var group: String,

-    val type: String,
+        var type: String,

-    val description: String,
+        var description: String,

-    val teacher: String,
+        var teacher: String,

-    @ColumnInfo(name = "teacher_symbol")
-    val teacherSymbol: String
+        @ColumnInfo(name = "teacher_symbol")
+        var teacherSymbol: String
 ) : Serializable {

    @PrimaryKey(autoGenerate = true)
--- 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
@ -10,35 +10,35 @@ import java.io.Serializable
 data class Grade(

    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
+    var semesterId: Int,

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

-    val subject: String,
+    var subject: String,

-    val entry: String,
+    var entry: String,

-    val value: Int,
+    var value: Int,

-    val modifier: Double,
+    var modifier: Double,

-    val comment: String,
+    var comment: String,

-    val color: String,
+    var color: String,

    @ColumnInfo(name = "grade_symbol")
-    val gradeSymbol: String,
+    var gradeSymbol: String,

-    val description: String,
+    var description: String,

-    val weight: String,
+    var weight: String,

-    val weightValue: Double,
+    var weightValue: Int,

-    val date: LocalDate,
+    var date: LocalDate,

-    val teacher: String
+    var teacher: String
 ) : Serializable {

    @PrimaryKey(autoGenerate = true)
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePointsStatistics.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradePointsStatistics.kt
@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.db.entities
-
-import androidx.room.ColumnInfo
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-
-@Entity(tableName = "GradesPointsStatistics")
-data class GradePointsStatistics(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
-
-    val subject: String,
-
-    val others: Double,
-
-    val student: Double
-) {
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeStatistics.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/GradeStatistics.kt
@ -1,27 +0,0 @@
-package io.github.wulkanowy.data.db.entities
-
-import androidx.room.ColumnInfo
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-
-@Entity(tableName = "GradesStatistics")
-data class GradeStatistics(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
-
-    val subject: String,
-
-    val grade: Int,
-
-    val amount: Int,
-
-    @ColumnInfo(name = "is_semester")
-    val semester: Boolean
-) {
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
--- 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
@ -4,36 +4,22 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey

-@Entity(tableName = "GradesSummary")
+@Entity(tableName = "Grades_Summary")
 data class GradeSummary(

-    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
+        @ColumnInfo(name = "semester_id")
+        var semesterId: Int,

-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+        @ColumnInfo(name = "student_id")
+        var studentId: Int,

-    val position: Int,
+        var subject: String,

-    val subject: String,
+        var predictedGrade: String,

-    @ColumnInfo(name = "predicted_grade")
-    val predictedGrade: String,
-
-    @ColumnInfo(name = "final_grade")
-    val finalGrade: String,
-
-    @ColumnInfo(name = "proposed_points")
-    val proposedPoints: String,
-
-    @ColumnInfo(name = "final_points")
-    val finalPoints: String,
-
-    @ColumnInfo(name = "points_sum")
-    val pointsSum: String,
-
-    val average: Double
+        var finalGrade: String
 ) {
    @PrimaryKey(autoGenerate = true)
    var id: Long = 0
+
 }
--- 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
@ -10,24 +10,24 @@ import java.io.Serializable
 data class Homework(

    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
+    var semesterId: Int,

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

-    val date: LocalDate,
+    var date: LocalDate,

    @ColumnInfo(name = "entry_date")
-    val entryDate: LocalDate,
+    var entryDate: LocalDate,

-    val subject: String,
+    var subject: String,

-    val content: String,
+    var content: String,

-    val teacher: String,
+    var teacher: String,

    @ColumnInfo(name = "teacher_symbol")
-    val teacherSymbol: String
+    var teacherSymbol: String

 ) : Serializable {

--- 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
@ -1,27 +0,0 @@
-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
-
-@Entity(tableName = "LuckyNumbers")
-data class LuckyNumber (
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    val date: LocalDate,
-
-    @ColumnInfo(name = "lucky_number")
-    val luckyNumber: Int
-
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-
-    @ColumnInfo(name = "is_notified")
-    var isNotified: Boolean = true
-}
--- 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
@ -10,39 +10,40 @@ import java.io.Serializable
 data class Message(

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int? = null,

    @ColumnInfo(name = "real_id")
-    val realId: Int,
+    val realId: Int? = null,

    @ColumnInfo(name = "message_id")
-    val messageId: Int,
+    val messageId: Int? = null,

    @ColumnInfo(name = "sender_name")
-    val sender: String,
+    val sender: String? = null,

    @ColumnInfo(name = "sender_id")
-    val senderId: Int,
+    val senderId: Int? = null,
+
+    @ColumnInfo(name = "recipient_id")
+    val recipientId: Int? = null,

    @ColumnInfo(name = "recipient_name")
-    val recipient: String,
+    val recipient: String? = "",

-    val subject: String,
+    val subject: String = "",

-    val date: LocalDateTime,
+    val date: LocalDateTime? = null,

    @ColumnInfo(name = "folder_id")
-    val folderId: Int,
+    val folderId: Int = 0,

-    var unread: Boolean,
+    var unread: Boolean? = false,

-    @ColumnInfo(name = "unread_by")
-    val unreadBy: Int,
+    val unreadBy: Int? = 0,

-    @ColumnInfo(name = "read_by")
-    val readBy: Int,
+    val readBy: Int? = 0,

-    val removed: Boolean
+    val removed: Boolean = false
 ) : Serializable {

    @PrimaryKey(autoGenerate = true)
--- 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
@ -1,25 +0,0 @@
-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
-
-@Entity(tableName = "MobileDevices")
-data class MobileDevice(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "device_id")
-    val deviceId: Int,
-
-    val name: String,
-
-    val date: LocalDateTime
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
--- 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
@ -9,23 +9,26 @@ import java.io.Serializable
@Entity(tableName = "Notes")
 data class Note(

+    @ColumnInfo(name = "semester_id")
+    var semesterId: Int,
+
    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

-    val date: LocalDate,
+    var date: LocalDate,

-    val teacher: String,
+    var teacher: String,

-    val category: String,
+    var category: String,

-    val content: String
+    var content: String
 ) : Serializable {

    @PrimaryKey(autoGenerate = true)
    var id: Long = 0

    @ColumnInfo(name = "is_read")
-    var isRead: Boolean = true
+    var isRead: Boolean = false

    @ColumnInfo(name = "is_notified")
    var isNotified: Boolean = true
--- a/app/src/main/java/io/github/wulkanowy/data/db/entities/Recipient.kt
+++ b/app/src/main/java/io/github/wulkanowy/data/db/entities/Recipient.kt
@ -1,38 +0,0 @@
-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 = "Recipients")
-data class Recipient(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "real_id")
-    val realId: String,
-
-    val name: String,
-
-    @ColumnInfo(name = "real_name")
-    val realName: String,
-
-    @ColumnInfo(name = "login_id")
-    val loginId: Int,
-
-    @ColumnInfo(name = "unit_id")
-    val unitId: Int,
-
-    val role: Int,
-
-    val hash: String
-
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-
-    override fun toString() = name
-}
--- 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
@ -1,32 +0,0 @@
-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 = "ReportingUnits")
-data class ReportingUnit(
-
-    @ColumnInfo(name = "student_id")
-    val studentId: Int,
-
-    @ColumnInfo(name = "real_id")
-    val realId: Int,
-
-    @ColumnInfo(name = "short")
-    val shortName: String,
-
-    @ColumnInfo(name = "sender_id")
-    val senderId: Int,
-
-    @ColumnInfo(name = "sender_name")
-    val senderName: String,
-
-    val roles: List<Int>
-
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
--- 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
@ -1,30 +0,0 @@
-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
-}
--- 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
@ -4,43 +4,28 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Index
 import androidx.room.PrimaryKey
-import org.threeten.bp.LocalDate

@Entity(tableName = "Semesters", indices = [Index(value = ["student_id", "diary_id", "semester_id"], unique = true)])
 data class Semester(

+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0,
+
    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int,

    @ColumnInfo(name = "diary_id")
-    val diaryId: Int,
+    var diaryId: Int,

    @ColumnInfo(name = "diary_name")
-    val diaryName: String,
-
-    @ColumnInfo(name = "school_year")
-    val schoolYear: Int,
+    var diaryName: String,

    @ColumnInfo(name = "semester_id")
-    val semesterId: Int,
+    var semesterId: Int,

    @ColumnInfo(name = "semester_name")
-    val semesterName: Int,
+    var semesterName: Int,

    @ColumnInfo(name = "is_current")
-    val isCurrent: Boolean,
-
-    val start: LocalDate,
-
-    val end: LocalDate,
-
-    @ColumnInfo(name = "class_id")
-    val classId: Int,
-
-    @ColumnInfo(name = "unit_id")
-    val unitId: Int
-) {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
+    var isCurrent: Boolean = false
+)
--- 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
@ -4,47 +4,35 @@ 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

-@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"], unique = true)])
 data class Student(

-    val endpoint: String,
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0,

-    val loginType: String,
+    var endpoint: String,

-    val email: String,
+    var loginType: String,
+
+    var email: String,

    var password: String,

-    val symbol: String,
+    var symbol: String = "",

    @ColumnInfo(name = "student_id")
-    val studentId: Int,
+    var studentId: Int = 0,

    @ColumnInfo(name = "student_name")
-    val studentName: String,
+    var studentName: String = "",

    @ColumnInfo(name = "school_id")
-    val schoolSymbol: String,
+    var schoolSymbol: String = "",

    @ColumnInfo(name = "school_name")
-    val schoolName: String,
-
-    @ColumnInfo(name = "class_name")
-    val className: String,
-
-    @ColumnInfo(name = "class_id")
-    val classId: Int,
+    var schoolName: String = "",

    @ColumnInfo(name = "is_current")
-    val isCurrent: Boolean,
-
-    @ColumnInfo(name = "registration_date")
-    val registrationDate: LocalDateTime
-) : Serializable {
-
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0
-}
+    var isCurrent: Boolean = false
+)
--- a/Show more
+++ b/Show more