switch to seepine/hash-files for faster hashing

Co-authored-by: Mikołaj Pich <m.pich@outlook.com>

.circleci/config.yml

@@ -162,7 +162,7 @@ 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 publishPlayRelease --no-daemon --stacktrace --console=plain -PdisablePreDex
 
 workflows:
   version: 2

.editorconfig

@@ -1,7 +1,7 @@
 [*]
 charset=utf-8
 end_of_line=lf
-insert_final_newline=true
+insert_final_newline=Advanced
 indent_style=space
 indent_size=4
 

.gitea/release.yml

@@ -0,0 +1,18 @@
+changelog:
+  exclude:
+    labels:
+      - "release ignore"
+  categories:
+    - title: breaking changes
+      labels:
+        - major
+    - title: new features
+      labels:
+        - minor
+        - fr:approved
+    - title: translation updates
+      labels:
+        - translation
+    - title: features
+      labels:
+        - "*"

.gitea/workflows/build_android.yml

@@ -0,0 +1,80 @@
+name: Generate APK
+
+env:
+    main_project_module: app
+
+on:
+    pull_request:
+        types:
+            - closed
+
+jobs:
+    build:
+
+        runs-on: ubuntu-latest
+
+        env:
+            RUNNER_TOOL_CACHE: /toolcache
+
+        steps:
+            -   name: Checkout the repository
+                uses: actions/checkout@v3
+
+            -   name: Set current date as env variable
+                run: echo "date_today=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
+
+            -   name: Set repository name as env variable
+                run: echo "repository_name=$(echo '${{ gitea.repository }}' | awk -F '/' '{print $2}')" >> $GITHUB_ENV
+
+            -   name: Set up JDK
+                uses: actions/setup-java@v3
+                with:
+                    distribution: 'zulu' # See 'Supported distributions' for available options
+                    java-version: '17'
+                    cache: 'gradle'
+
+            -   name: Get hash of Gradle files
+                uses: seepine/hash-files@v1
+                id: get-hash
+                with: 
+                    patterns: |-
+                        **/*.gradle*
+
+            -   name: Cache Gradle
+                uses: actions/cache@v3
+                with:
+                    path: |
+                        ~/.gradle/caches
+                        ~/.gradle/wrapper
+                    key: gradle-${{ runner.os }}-${{ steps.get-hash.outputs.hash }}
+
+            -   name: Get app version
+                id: get_version
+                run: echo "VERSION_NAME=$(grep -m1 "versionName" app/build.gradle | awk '{print $2}' | tr -d \''"\')" >> $GITHUB_ENV
+
+            -   name: Change wrapper permissions
+                run: chmod +x ./gradlew
+
+            -   name: Setup Android SDK
+                uses: android-actions/setup-android@v3
+
+            -   name: Build debug APK
+                run: ./gradlew assembleDebug
+
+            -   name: Upload artifacts
+                uses: actions/upload-artifact@v3 # not v4 because of GHES
+                with:
+                    name: wulkanowy_mod_debug_builds
+                    path: |
+                        app/build/outputs/**/*-debug.apk
+
+            -   name: Create release
+                uses: akkuman/gitea-release-action@v1
+                env:
+                    NODE_OPTIONS: '--experimental-fetch'
+                with:
+                    files: |
+                        app/build/outputs/**/*-debug.apk                        
+
+                    name: Release ${{ env.VERSION_NAME }} (${{ env.date_today }})
+                    tag_name: v${{ env.VERSION_NAME }}

.github/workflows/deploy-store.yml

@@ -1,79 +0,0 @@
-name: Deploy release
-
-on:
-  release:
-    types: [ created ]
-
-jobs:
-
-  deploy-google-play:
-    name: Google Play
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    environment: google-play
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: 17
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-      - name: Decrypt keys
-        env:
-          ENCRYPT_KEY: ${{ secrets.ENCRYPT_KEY }}
-          SERVICES_ENCRYPT_KEY: ${{ secrets.SERVICES_ENCRYPT_KEY }}
-        run: |
-          gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg
-          gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg
-      - name: Upload apk to google play
-        env:
-          PLAY_STORE_PASSWORD: ${{ secrets.PLAY_STORE_PASSWORD }}
-          PLAY_KEY_ALIAS: ${{ secrets.PLAY_KEY_ALIAS }}
-          PLAY_KEY_PASSWORD: ${{ secrets.PLAY_KEY_PASSWORD }}
-          ANDROID_PUBLISHER_CREDENTIALS: ${{ secrets.ANDROID_PUBLISHER_CREDENTIALS }}
-          ADMOB_PROJECT_ID: ${{ secrets.ADMOB_PROJECT_ID }}
-          SINGLE_SUPPORT_AD_ID: ${{ secrets.SINGLE_SUPPORT_AD_ID }}
-          DASHBOARD_TILE_AD_ID: ${{ secrets.DASHBOARD_TILE_AD_ID }}
-          SET_BUILD_TIMESTAMP: ${{ secrets.SET_BUILD_TIMESTAMP }}
-        run: ./gradlew publishPlayReleaseApps -PenableFirebase --stacktrace;
-
-  deploy-app-gallery:
-    name: AppGallery
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    environment: app-gallery
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: 17
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-      - name: Decrypt keys
-        env:
-          ENCRYPT_KEY: ${{ secrets.ENCRYPT_KEY }}
-          SERVICES_ENCRYPT_KEY: ${{ secrets.SERVICES_ENCRYPT_KEY }}
-        run: |
-          gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg
-          gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg
-      - name: Prepare credentials
-        env:
-          AGC_CREDENTIALS: ${{ secrets.AGC_CREDENTIALS }}
-        run: echo $AGC_CREDENTIALS > ./app/src/release/agconnect-credentials.json
-      - name: Build and publish HMS version
-        env:
-          PLAY_STORE_PASSWORD: ${{ secrets.PLAY_STORE_PASSWORD }}
-          PLAY_KEY_ALIAS: ${{ secrets.PLAY_KEY_ALIAS }}
-          PLAY_KEY_PASSWORD: ${{ secrets.PLAY_KEY_PASSWORD }}
-          SET_BUILD_TIMESTAMP: ${{ secrets.SET_BUILD_TIMESTAMP }}
-        run: ./gradlew bundleHmsRelease --stacktrace && ./gradlew publishHuaweiAppGalleryHmsRelease --stacktrace

.github/workflows/deploy-test.yml

@@ -1,146 +0,0 @@
-name: Deploy DEV
-
-on:
-  push:
-#    branches: [ develop ]
-    branches: [ '!*' ]
-  pull_request_target:
-#    branches: [ develop ]
-    branches: [ '!*' ]
-
-  workflow_dispatch:
-
-jobs:
-
-  deploy-appcenter:
-    name: App Center
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    environment: app-center
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: 17
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-      - name: Set run number with offset
-        env:
-          BUILD_NUMBER_OFFSET: ${{ secrets.BUILD_NUMBER_OFFSET }}
-        run: echo "RUN_NUMBER=$((GITHUB_RUN_NUMBER+BUILD_NUMBER_OFFSET))" >> $GITHUB_ENV
-      - name: Prepare build configuration
-        run: |
-          sed -i -e "s#applicationIdSuffix \".dev\"#applicationIdSuffix \".${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/build.gradle
-          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/google-services.json
-          sed -i -e "s#.dev\"#.${GITHUB_HEAD_REF//[-.\/]/_}\"#" app/src/debug/agconnect-services.json
-          sed -i -e '/versionNameSuffix/d' app/build.gradle
-      - name: Add signing config
-        run: |
-          cat >> app/build.gradle <<EOF
-          android.signingConfigs.debug {
-              storeFile file("bitrise.jks")
-              storePassword System.getenv("BITRISE_KEYSTORE_PASSWORD")
-              keyAlias System.getenv("BITRISE_KEY_ALIAS")
-              keyPassword System.getenv("BITRISE_KEY_PASSWORD")
-          }
-          EOF
-      - name: Decrypt keys
-        env:
-          BITRISE_ENCRYPT_KEY: ${{ secrets.BITRISE_ENCRYPT_KEY }}
-        run: |
-          gpg --yes --batch --passphrase=$BITRISE_ENCRYPT_KEY ./app/bitrise.jks.gpg
-      - name: Bump version
-        uses: chkfung/android-version-actions@v1.1
-        with:
-          gradlePath: app/build.gradle
-          versionCode: ${{ env.RUN_NUMBER }}
-          versionName: ${{ env.RUN_NUMBER }}-${{ github.head_ref }}
-      - name: Build apk
-        env:
-          BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
-          BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
-          BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
-        run: ./gradlew assembleFdroidDebug --stacktrace
-      - name: Upload apk to github artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          name: wulkanowyDEV-${{ env.RUN_NUMBER }}.apk
-          path: app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk
-      - name: Deploy to app center
-        uses: wzieba/AppCenter-Github-Action@v1
-        with:
-          appName: wulkanowy/wulkanowy
-          token: ${{ secrets.APP_CENTER_TOKEN }}
-          group: Testers
-          file: app/build/outputs/apk/fdroid/debug/app-fdroid-debug.apk
-          notifyTesters: true
-          debug: true
-
-  deploy-app-distribution:
-    name: App Distribution
-    runs-on: ubuntu-latest
-    timeout-minutes: 10
-    environment: app-distribution
-    if: github.event_name != 'pull_request_target'
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-java@v3
-        with:
-          distribution: 'zulu'
-          java-version: 17
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-      - name: Set run number with offset
-        env:
-          BUILD_NUMBER_OFFSET: ${{ secrets.BUILD_NUMBER_OFFSET }}
-        run: echo "RUN_NUMBER=$((GITHUB_RUN_NUMBER+BUILD_NUMBER_OFFSET))" >> $GITHUB_ENV
-      - name: Add signing config
-        run: |
-          cat >> app/build.gradle <<EOF
-          android.signingConfigs.debug {
-              storeFile file("bitrise.jks")
-              storePassword System.getenv("BITRISE_KEYSTORE_PASSWORD")
-              keyAlias System.getenv("BITRISE_KEY_ALIAS")
-              keyPassword System.getenv("BITRISE_KEY_PASSWORD")
-          }
-          EOF
-      - name: Decrypt keys
-        env:
-          BITRISE_ENCRYPT_KEY: ${{ secrets.BITRISE_ENCRYPT_KEY }}
-          BITRISE_SERVICES_ENCRYPT_KEY: ${{ secrets.BITRISE_SERVICES_ENCRYPT_KEY }}
-        run: |
-          gpg --yes --batch --passphrase=$BITRISE_SERVICES_ENCRYPT_KEY ./app/src/debug/google-services.json.gpg
-          gpg --yes --batch --passphrase=$BITRISE_ENCRYPT_KEY ./app/bitrise.jks.gpg
-      - name: Bump version
-        uses: chkfung/android-version-actions@v1.1
-        with:
-          gradlePath: app/build.gradle
-          versionCode: ${{ env.RUN_NUMBER }}
-          versionName: ${{ env.RUN_NUMBER }}
-      - name: Build apk
-        env:
-          BITRISE_KEYSTORE_PASSWORD: ${{ secrets.BITRISE_KEYSTORE_PASSWORD }}
-          BITRISE_KEY_ALIAS: ${{ secrets.BITRISE_KEY_ALIAS }}
-          BITRISE_KEY_PASSWORD: ${{ secrets.BITRISE_KEY_PASSWORD }}
-        run: ./gradlew assemblePlayDebug -PenableFirebase --stacktrace
-      - name: Upload apk to github artifacts
-        uses: actions/upload-artifact@v3
-        with:
-          name: wulkanowyDEV-${{ env.RUN_NUMBER }}-dev.apk
-          path: app/build/outputs/apk/play/debug/app-play-debug.apk
-      - name: Deploy to app distribution
-        uses: wzieba/Firebase-Distribution-Github-Action@v1
-        with:
-          appId: ${{ secrets.FIREBASE_APP_ID }}
-          token: ${{ secrets.FIREBASE_TOKEN }}
-          groups: discord
-          file: app/build/outputs/apk/play/debug/app-play-debug.apk

.github/workflows/test.yml

@@ -1,90 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches:
-      - master
-      - develop
-      - 'hotfix/**'
-    tags: [ '*' ]
-  pull_request:
-
-jobs:
-
-  tests-fdroid:
-      name: F-Droid
-      runs-on: ubuntu-latest
-      timeout-minutes: 10
-      steps:
-        - uses: fkirc/skip-duplicate-actions@master
-        - uses: actions/checkout@v3
-        - uses: gradle/wrapper-validation-action@v1
-        - uses: actions/setup-java@v3
-          with:
-            distribution: 'zulu'
-            java-version: 17
-        - uses: actions/cache@v3
-          with:
-            path: |
-              ~/.gradle/caches
-              ~/.gradle/wrapper
-            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-        - name: Unit tests
-          run: |
-            ./gradlew testFdroidDebugUnitTest --stacktrace
-            ./gradlew jacocoTestReport --stacktrace
-        - uses: codecov/codecov-action@v3
-          with:
-              flags: unit
-
-  tests-play:
-      name: Play
-      runs-on: ubuntu-latest
-      timeout-minutes: 10
-      steps:
-        - uses: fkirc/skip-duplicate-actions@master
-        - uses: actions/checkout@v3
-        - uses: gradle/wrapper-validation-action@v1
-        - uses: actions/setup-java@v3
-          with:
-            distribution: 'zulu'
-            java-version: 17
-        - uses: actions/cache@v3
-          with:
-            path: |
-              ~/.gradle/caches
-              ~/.gradle/wrapper
-            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-        - name: Unit tests
-          run: |
-            ./gradlew testPlayDebugUnitTest --stacktrace
-            ./gradlew jacocoTestReport --stacktrace
-        - uses: codecov/codecov-action@v3
-          with:
-              flags: unit
-
-  tests-hms:
-      name: HMS
-      runs-on: ubuntu-latest
-      timeout-minutes: 10
-      steps:
-        - uses: fkirc/skip-duplicate-actions@master
-        - uses: actions/checkout@v3
-        - uses: gradle/wrapper-validation-action@v1
-        - uses: actions/setup-java@v3
-          with:
-            distribution: 'zulu'
-            java-version: 17
-        - uses: actions/cache@v3
-          with:
-            path: |
-              ~/.gradle/caches
-              ~/.gradle/wrapper
-            key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*') }}
-        - name: Unit tests
-          run: |
-            ./gradlew testHmsDebugUnitTest --stacktrace
-            ./gradlew jacocoTestReport --stacktrace
-        - uses: codecov/codecov-action@v3
-          with:
-              flags: unit

.gitignore

@@ -117,12 +117,13 @@ Thumbs.db
 *.ear
 
 ### AndroidStudio Patch ###
-
 !/gradle/wrapper/gradle-wrapper.jar
 .idea/jarRepositories.xml
 
+### Services config files
+agconnect-services.json
+agconnect-credentials.json
+google-services.json
+!app/google-services.json
+
 
-app/src/release/agconnect-services.json
-app/src/release/agconnect-credentials.json
-.idea/deploymentTargetDropDown.xml
-.idea/kotlinc.xml

.travis.yml

@@ -61,7 +61,7 @@ script:
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
+      ./gradlew publishPlayRelease --stacktrace;
     fi
 
 after_success:

README.cs.md

@@ -1,73 +1,33 @@
 Česká verze / [Deutsche Version](README.de.md) / [English version](README.en.md) / [Polska wersja](README.md) / [Slovenská verzia](README.sk.md)
 
-# Wulkanowy
+# Wulkanowy MOD
 
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/wulkanowy/wulkanowy/test.yml?branch=develop&style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?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)
-[![Crowdin](https://badges.crowdin.net/wulkanowy2/localized.svg)](https://translate.wulkanowy.net.pl)
+## Funkce:
+* skrýt známky
+* Skrýt jednotlivé záznamy o docházce.
+* Skrýt komentáře.
+* falešná docházka %
 
-Neoficiální klient deníku VULCAN UONET+ pro žáka a rodiče
+Chcete-li se dostat na skrytý panel:
+1. Přejděte na kartu „Další“.
+2. Přejděte na panel „Nastavení“.
+3. Přejděte na panel „O aplikaci“.
+4. Klikněte 5x na logo aplikace
+5. Přejděte na domovskou obrazovku
+6. Přejděte do nastavení
+7. Zadejte „tajná nastavení“
+ 
+# Instalace
 
-## Funkce
+|  Název souboru   |    Přizpůsobeno   |
+| ---------------- | ----------------- |
+| `*-fdroid-*.apk` |      F-Droid      |
+|  `*-hms-*.apk`   | Huawei AppGallery |
+|  `*-play-*.apk`  |     Play Store    |
 
-* přihlášení pomocí emailu a hesla
-* funkce z webové stránky deníku:
-    * známky
-    * statistiky známek
-    * frekvence
-    * procento frekvence
-    * zkoušky
-    * plán lekce
-    * dokončené lekce
-    * zprávy
-    * domácí úkoly
-    * poznámky
-    * šťastné číslo
-    * další lekce
-    * školní setkání
-    * informace o žáku a škole
-* výpočet průměru nezávisle na preferencích školy
-* upozornění, např. o nových známkách
-* podpora více účtů s možností přejmenování žáků
-* tmavý a černý (AMOLED) motiv
-* offline režim
-* volitelné reklamy na podporu projektu
+Stáhněte si vybranou verzi z [releases](https://git.sador.me/sadorowo/wulkanowy-mod/releases).
+Doporučujeme stáhnout nejnovější dostupnou verzi.
 
-## Stáhnout
+# O projektu Wulkanowy
 
-Aktuální verzi si můžete stáhnout z Google Play, F-Droid nebo Huawei AppGallery
-
-[<img src="https://play.google.com/intl/cs-CZ/badges/images/generic/cs_badge_web_generic.png"
-    alt="Nyní na 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="Stáhnout s F-Droid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-[<img src="https://i.imgur.com/baTGiDP.png"
-    alt="Objevuj v AppGallery"
-    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
-
-Můžete si také stáhnout [vývojovou verzi](https://wulkanowy.github.io/#download), která zahrnuje nové funkce připravované pro příští vydání
-
-## Postaveno s pomocí
-
-
-* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
-* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
-* [Hilt](https://dagger.dev/hilt/)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager)
-
-## Spolupráce
-
-Přispějte do projektu vytvořením PR nebo odesláním issue na GitHub.
-
-Pro zájemce o překlad aplikace do různých jazyků poskytujeme Crowdin:
-https://crowdin.com/project/wulkanowy2
-
-## Licence
-
-Tento projekt je licencován pod licencí Apache License 2.0 - podrobnosti v souboru [LICENSE](LICENSE)
+Chcete si přečíst více o projektu Wulkanowy? [Klikněte sem](https://github.com/wulkanowy/wulkanowy)

README.de.md

@@ -1,73 +1,33 @@
 [Česká verze](README.cs.md) / Deutsche Version / [English version](README.en.md) / [Polska wersja](README.md) / [Slovenská verzia](README.sk.md)
 
-# Wulkanowy
+# Wulkanowy MOD
 
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/wulkanowy/wulkanowy/test.yml?branch=develop&style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?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)
-[![Crowdin](https://badges.crowdin.net/wulkanowy2/localized.svg)](https://translate.wulkanowy.net.pl)
+## Funktionen:
+* Noten ausblenden
+* Individuelle Anwesenheitslisten ausblenden.
+* Kommentare ausblenden.
+* Anwesenheit fälschen %
 
-Inoffizieller Android VULCAN UONET+ Registrierungsclient für Schüler und ihre Eltern
+So gelangen Sie zum ausgeblendeten Bereich:
+1. Gehen Sie zur Registerkarte „Mehr“.
+2. Gehen Sie zum Bereich „Einstellungen“.
+3. Gehen Sie zum Bereich „Über die Anwendung“.
+4. Klicken Sie fünfmal auf das Anwendungslogo
+5. Gehen Sie zum Startbildschirm
+6. Gehen Sie zu den Einstellungen
+7. Geben Sie „Geheime Einstellungen“ ein
+ 
+# Installation
 
-## Merkmale
+|    Dateiname     |    Angepasst an   |
+| ---------------- | ----------------- |
+| `*-fdroid-*.apk` |      F-Droid      |
+|  `*-hms-*.apk`   | Huawei AppGallery |
+|  `*-play-*.apk`  |     Play Store    |
 
-* Einloggen mit E-Mail und Passwort
-* Funktionen von der Registerwebsite:
-    * Noten
-    * Notenstatistik
-    * Anwesenheit
-    * Prozentsatz der Anwesenheit
-    * Prüfungen
-    * Stundenplan
-    * abgeschlossene Unterrichtsstunden
-    * Nachrichten
-    * Hausaufgaben
-    * Anmerkungen
-    * Glückszahl
-    * Zusätzliche Lektionen
-    * Schulkonferenzen
-    * Schüler- und Schulinformationen
-* Berechnung des Durchschnitts unabhängig von den Präferenzen der Schule
-* Benachrichtigungen, z. B. über eine neue Note
-* Unterstützung für mehrere Konten mit der Möglichkeit, den Namen des Schülers zu ändern
-* dunkles und schwarzes (AMOLED) Thema
-* Offline-Modus
-* optionale Werbungen, die es uns ermöglichen das Projekt zu unterstützen
+Laden Sie die ausgewählte Version von [hier](https://git.sador.me/sadorowo/wulkanowy-mod/releases) herunter.
+Wir empfehlen, die neueste verfügbare Version herunterzuladen.
 
-## Herunterladen
+# Über das Wulkanowy-Projekt
 
-Die aktuelle Version können Sie von der Google Play, F-Droid oder Huawei AppGallery store herunterladen
-
-[<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 F-Droid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-[<img src="appgallery_badge.png"
-    alt="Explore it on AppGallery"
-    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
-    
-Sie können auch eine [Entwicklungsversion herunterladen](https://wulkanowy.github.io/#download) die beinhaltet neue Funktionen, die für die nächste Version vorbereitet werden
-
-## Gebaut mit
-
-
-* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
-* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
-* [Hilt](https://dagger.dev/hilt/)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
-
-## Beitragen
-
-Bitte tragen Sie zum Projekt bei, indem Sie entweder eine PR erstellen oder ein Issue auf GitHub einreichen.
-
-Für Personen, die daran interessiert sind, die Anwendung in verschiedene Sprachen zu übersetzen, bieten wir Crowdin
-https://crowdin.com/project/wulkanowy2
-
-## Lizenz
-
-Dieses Projekt ist unter der Apache License 2.0 lizenziert - siehe die [LIZENZ](LICENSE) Datei für Details
+Möchten Sie mehr über das Wulkanowy-Projekt lesen? [Hier klicken](https://github.com/wulkanowy/wulkanowy)

README.en.md

@@ -1,73 +1,33 @@
 [Česká verze](README.cs.md) / [Deutsche Version](README.de.md) / English version / [Polska wersja](README.md) / [Slovenská verzia](README.sk.md)
 
-# Wulkanowy
+# Wulkanowy MOD
 
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/wulkanowy/wulkanowy/test.yml?branch=develop&style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?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)
-[![Crowdin](https://badges.crowdin.net/wulkanowy2/localized.svg)](https://translate.wulkanowy.net.pl)
+## Functions:
+* hide grades
+* hide individual attendance entries
+* hide comments
+* fake attendance %.
 
-Unofficial android VULCAN UONET+ register client for both students and their parents
+To get to the hidden panel:
+1. Go to the "More" tab
+2. Go to the "Settings" panel
+3. Go to the "About application" panel
+4. Click on the application logo 5 times
+5. Go to the home screen
+6. Go to settings
+7. Enter "secret settings"
+ 
+# Installation
 
-## Features
+|    File name     |    Adapted to     |
+| ---------------- | ----------------- |
+| `*-fdroid-*.apk` |      F-Droid      |
+|  `*-hms-*.apk`   | Huawei AppGallery |
+|  `*-play-*.apk`  |     Play Store    |
 
-* 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
-    * additional lessons
-    * school conferences
-    * student and school information
-* calculation of the average independently of school's preferences
-* notifications, e.g. about a new grade
-* support for multiple accounts with the ability to rename students 
-* dark and black (AMOLED) theme
-* offline mode
-* optional ads which allow to support the project
+Download application from [releases](https://git.sador.me/sadorowo/wulkanowy-mod/releases).
+We recommend downloading the latest available version.
 
-## Download
+# About the Wulkanowy project
 
-You can download the current version from the Google Play, F-Droid or Huawei AppGallery store
-
-[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-    alt="Get it on Google Play"
-    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
-[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Get it on F-Droid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-[<img src="appgallery_badge.png"
-    alt="Explore it on AppGallery"
-    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
-    
-You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features being prepared for the next release
-
-## Built With
-
-
-* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
-* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
-* [Hilt](https://dagger.dev/hilt/)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
-
-## Contributing
-
-Please contribute to the project either by creating a PR or submitting an issue on GitHub.
-
-For people interested in translating the application into different languages, we provide Crowdin
-https://crowdin.com/project/wulkanowy2
-
-## License
-
-This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details
+Want to read more about the Wulkanowy project? [Click here](https://github.com/wulkanowy/wulkanowy)

README.md

@@ -1,74 +1,33 @@
 [Česká verze](README.cs.md) / [Deutsche Version](README.de.md) / [English version](README.en.md) / Polska wersja / [Slovenská verzia](README.sk.md)
 
-# Wulkanowy
+# Wulkanowy MOD
 
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/wulkanowy/wulkanowy/test.yml?branch=develop&style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?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)
-[![Crowdin](https://badges.crowdin.net/wulkanowy2/localized.svg)](https://translate.wulkanowy.net.pl)
+## Funkcje:
+* ukryj oceny
+* ukryj poszczególne wpisy frekwencji
+* ukryj uwagi
+* sfałszuj % frekwencji
 
-Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
+Aby dostać się do ukrytego panelu:
+1. Przejdź do karty "Więcej"
+2. Przejdź do panelu "Ustawienia"
+3. Przejdź do panelu "O aplikacji"
+4. Kliknij 5 razy w logo aplikacji
+5. Przejdź na ekran główny
+6. Wejdź w ustawienia
+7. Wejdź w "sekretne ustawienia"
+ 
+# Instalacja
 
-## Funkcje
+|   Nazwa pliku    | Przystosowana do  |
+| ---------------- | ----------------- |
+| `*-fdroid-*.apk` |      F-Droid      |
+|  `*-hms-*.apk`   | Huawei AppGallery |
+|  `*-play-*.apk`  |     Sklep Play    |
 
-* 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
-    * dodatkowe lekcje
-    * zebrania w szkole
-    * informacje o uczniu i szkole
-* obliczanie średniej niezależnie od preferencji szkoły
-* powiadomienia np. o nowej ocenie
-* obsługa wielu kont wraz z możliwością zmiany nazwy ucznia 
-* ciemny i czarny (AMOLED) motyw
-* tryb offline
-* opcjonalne reklamy umożliwiające wsparcie projektu
+Pobierz wybraną wersję z [wydań](https://git.sador.me/sadorowo/wulkanowy-mod/releases).
+Zalecamy pobranie najnowszej dostępnej wersji.
 
-## Pobierz
+# O projekcie Wulkanowy
 
-Aktualną wersję możesz pobrać ze sklepu Google Play, F-Droid lub Huawei AppGallery
-
-[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-    alt="Pobierz z Google Play"
-    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
-[<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Pobierz z F-Droid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-[<img src="appgallery_badge.png"
-    alt="Odkrywaj w AppGallery"
-    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
-
-
-Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#download), która zawiera nowe funkcje przygotowywane do następnego wydania
-
-
-## Zbudowana za pomocą
-
-* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
-* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
-* [Hilt](https://dagger.dev/hilt/)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager) 
-
-## Współpraca
-
-Wnieś swój wkład w projekt, tworząc PR lub wysyłając issue na GitHub.
-
-Dla osób zainteresowanych tłumaczeniem aplikacji na różne języki udostępniamy Crowdina
-https://crowdin.com/project/wulkanowy2
-
-## Licencja
-
-Ten projekt udostępniany jest na licencji Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)
+Chcesz poczytać więcej o projekcie Wulkanowy? [Kliknij tutaj](https://github.com/wulkanowy/wulkanowy)

README.sk.md

@@ -1,73 +1,33 @@
 [Česká verze](README.cs.md) / [Deutsche Version](README.de.md) / [English version](README.en.md) / [Polska wersja](README.md) / Slovenská verzia
 
-# Wulkanowy
+# Wulkanowy MOD
 
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/wulkanowy/wulkanowy/test.yml?branch=develop&style=flat-square)](https://github.com/wulkanowy/wulkanowy/actions)
-[![Codecov](https://img.shields.io/codecov/c/github/wulkanowy/wulkanowy/master.svg?style=flat-square)](https://codecov.io/gh/wulkanowy/wulkanowy)
-[![Discord](https://img.shields.io/discord/390889354199040011.svg?style=flat-square)](https://discord.gg/vccAQBr)
-[![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?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)
-[![Crowdin](https://badges.crowdin.net/wulkanowy2/localized.svg)](https://translate.wulkanowy.net.pl)
+## Funkcie:
+* skryť známky
+* Skryť individuálne záznamy o dochádzke.
+* Skryť komentáre.
+* falošná dochádzka %
 
-Neoficiálny klient denníka VULCAN UONET+ pre žiaka a rodičov
+Ak chcete prejsť na skrytý panel:
+1. Prejdite na kartu „Viac“.
+2. Prejdite na panel „Nastavenia“.
+3. Prejdite na panel „O aplikácii“.
+4. Kliknite 5-krát na logo aplikácie
+5. Prejdite na domovskú obrazovku
+6. Prejdite do nastavení
+7. Zadajte „tajné nastavenia“
+ 
+# Inštalácia
 
-## Funkcie
+|   Názov súboru   |    Prispôsobené   |
+| ---------------- | ----------------- |
+| `*-fdroid-*.apk` |      F-Droid      |
+|  `*-hms-*.apk`   | Huawei AppGallery |
+|  `*-play-*.apk`  |     Play Store    |
 
-* prihlásenie pomocou emailu a hesla
-* funkcie z webovej stránky denníka:
-    * známky
-    * štatistiky známok
-    * frekvencia
-    * percento frekvencie
-    * skúšky
-    * plán lekcie
-    * dokončené lekcie
-    * správy
-    * domáce úlohy
-    * poznámky
-    * šťastné číslo
-    * ďalšie lekcie
-    * školské stretnutie
-    * informácie o žiakovi a škole
-* výpočet priemeru nezávisle od preferencií školy
-* upozornenia, napr. o nových známkach
-* podpora viacerých účtov s možnosťou premenovania žiakov
-* tmavý a čierny (AMOLED) motív
-* offline režim
-* voliteľné reklamy na podporu projektu
+Stiahnite si vybranú verziu z [releases](https://git.sador.me/sadorowo/wulkanowy-mod/releases).
+Odporúčame stiahnuť najnovšiu dostupnú verziu.
 
-## Stiahnuť
+# O projekte Wulkanowy
 
-Aktuálnu verziu si môžete stiahnuť z Google Play, F-Droid alebo Huawei AppGallery
-
-[<img src="https://play.google.com/intl/sk/badges/images/generic/sk_badge_web_generic.png"
-    alt="Nyní na 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="Stiahnuť s F-Droid"
-    height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
-[<img src="https://i.imgur.com/sX8UyAw.png"
-    alt="Objavíte v AppGallery"
-    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
-
-Môžete si tiež stiahnuť [vývojovú verziu](https://wulkanowy.github.io/#download), ktorá zahrňuje nové funkcie pripravované pre budúce vydanie
-
-## Postavené s pomocou
-
-
-* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
-* [Kotlin Coroutines](https://kotlinlang.org/docs/reference/coroutines-overview.html)
-* [Hilt](https://dagger.dev/hilt/)
-* [Room](https://developer.android.com/topic/libraries/architecture/room)
-* [WorkManager](https://developer.android.com/topic/libraries/architecture/workmanager)
-
-## Spolupráca
-
-Prispejte do projektu vytvorením PR alebo odoslaním issue na GitHub.
-
-Pre záujemcov o preklad aplikácie do rôznych jazykov poskytujeme Crowdin:
-https://crowdin.com/project/wulkanowy2
-
-## Licencia
-
-Tento projekt je licencovaný pod licenciou Apache License 2.0 - podrobnosti v súbore [LICENSE](LICENSE)
+Chcete si prečítať viac o projekte Wulkanowy? [Kliknite sem](https://github.com/wulkanowy/wulkanowy)

app/build.gradle

@@ -27,15 +27,12 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 157
-        versionName "2.5.8"
+        versionCode 165
+        versionName "2.6.5"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
-        manifestPlaceholders = [
-            firebase_enabled: project.hasProperty("enableFirebase"),
-            admob_project_id: ""
-        ]
+        manifestPlaceholders = [admob_project_id: ""]
 
         buildConfigField "String", "SINGLE_SUPPORT_AD_ID", "null"
         buildConfigField "String", "DASHBOARD_TILE_AD_ID", "null"
@@ -65,8 +62,8 @@ android {
         release {
             minifyEnabled true
             shrinkResources true
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            signingConfig signingConfigs.release
+            // proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            // signingConfig signingConfigs.release
             buildConfigField "String", "MESSAGES_BASE_URL", "\"https://messages.wulkanowy.net.pl\""
             buildConfigField "String", "SCHOOLS_BASE_URL", '"https://schools.wulkanowy.net.pl"'
         }
@@ -76,7 +73,6 @@ android {
             resValue "string", "app_name", "Wulkanowy DEV"
             applicationIdSuffix ".dev"
             versionNameSuffix "-dev"
-            ext.enableCrashlytics = project.hasProperty("enableFirebase")
             buildConfigField "String", "MESSAGES_BASE_URL", "\"https://messages.wulkanowy.net.pl\""
             buildConfigField "String", "SCHOOLS_BASE_URL", '"https://schools.wulkanowy.net.pl"'
         }
@@ -165,7 +161,7 @@ play {
     track = 'production'
     releaseStatus = ReleaseStatus.IN_PROGRESS
     userFraction = 0.99d
-    updatePriority = 4
+    updatePriority = 3
     enabled.set(false)
 }
 
@@ -195,23 +191,23 @@ ext {
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.5.8'
+    implementation 'io.github.wulkanowy:sdk:2.6.4'
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines"
 
-    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation 'androidx.core:core-ktx:1.13.1'
     implementation 'androidx.core:core-splashscreen:1.0.1'
-    implementation "androidx.activity:activity-ktx:1.8.2"
+    implementation "androidx.activity:activity-ktx:1.9.0"
     implementation "androidx.appcompat:appcompat:1.6.1"
-    implementation "androidx.fragment:fragment-ktx:1.6.2"
+    implementation "androidx.fragment:fragment-ktx:1.7.0"
     implementation "androidx.annotation:annotation:1.7.1"
 
     implementation "androidx.preference:preference-ktx:1.2.1"
     implementation "androidx.recyclerview:recyclerview:1.3.2"
-    implementation "androidx.viewpager2:viewpager2:1.1.0-beta02"
+    implementation "androidx.viewpager2:viewpager2:1.1.0-rc01"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "androidx.constraintlayout:constraintlayout:2.1.4"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.2.0"
@@ -237,7 +233,7 @@ dependencies {
     implementation 'com.github.ncapdevi:FragNav:3.3.0'
     implementation "com.github.YarikSOffice:lingver:1.3.0"
 
-    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:retrofit:2.11.0'
     implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0"
     implementation "com.squareup.okhttp3:logging-interceptor:4.12.0"
     implementation "com.squareup.okhttp3:okhttp-urlconnection:4.12.0"
@@ -250,9 +246,9 @@ dependencies {
     implementation "io.github.wulkanowy:AppKillerManager:3.0.1"
     implementation 'me.xdrop:fuzzywuzzy:1.4.0'
     implementation 'com.fredporciuncula:flow-preferences:1.9.1'
-    implementation 'org.apache.commons:commons-text:1.11.0'
+    implementation 'org.apache.commons:commons-text:1.12.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:32.7.3')
+    playImplementation platform('com.google.firebase:firebase-bom:33.0.0')
     playImplementation 'com.google.firebase:firebase-analytics'
     playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
@@ -278,7 +274,7 @@ dependencies {
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines"
     testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
 
-    testImplementation 'org.robolectric:robolectric:4.11.1'
+    testImplementation 'org.robolectric:robolectric:4.12.1'
     testImplementation "androidx.test:runner:1.5.2"
     testImplementation "androidx.test.ext:junit:1.1.5"
     testImplementation "androidx.test:core:1.5.0"

app/google-services.json

@@ -36,6 +36,37 @@
           "status": 2
         }
       }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:1091101852179:android:b558a25f65d088b1",
+        "android_client_info": {
+          "package_name": "io.github.wulkanowy"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": ""
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
     }
   ],
   "configuration_version": "1"

app/play-publish-lint.sh

@@ -1,7 +1,8 @@
 #!/bin/bash -
 
 content=$(cat < "app/src/main/play/release-notes/pl-PL/default.txt") || exit
-if [[ "${#content}" -gt 500 ]]; then
+content2=echo "$content" | dos2unix
+if [[ "${#content2}" -gt 500 ]]; then
     echo >&2 "Release notes content has reached the limit of 500 characters"
     exit 1
 fi

app/src/debug/agconnect-services.json

@@ -1,92 +0,0 @@
-{
-  "agcgw": {
-    "backurl": "connect-dre.hispace.hicloud.com",
-    "url": "connect-dre.dbankcloud.cn",
-    "websocketbackurl": "connect-ws-dre.hispace.dbankcloud.com",
-    "websocketurl": "connect-ws-dre.hispace.dbankcloud.cn"
-  },
-  "agcgw_all": {
-    "CN": "connect-drcn.dbankcloud.cn",
-    "CN_back": "connect-drcn.hispace.hicloud.com",
-    "DE": "connect-dre.dbankcloud.cn",
-    "DE_back": "connect-dre.hispace.hicloud.com",
-    "RU": "connect-drru.hispace.dbankcloud.ru",
-    "RU_back": "connect-drru.hispace.dbankcloud.cn",
-    "SG": "connect-dra.dbankcloud.cn",
-    "SG_back": "connect-dra.hispace.hicloud.com"
-  },
-  "websocketgw_all": {
-    "CN": "connect-ws-drcn.hispace.dbankcloud.cn",
-    "CN_back": "connect-ws-drcn.hispace.dbankcloud.com",
-    "DE": "connect-ws-dre.hispace.dbankcloud.cn",
-    "DE_back": "connect-ws-dre.hispace.dbankcloud.com",
-    "RU": "connect-ws-drru.hispace.dbankcloud.ru",
-    "RU_back": "connect-ws-drru.hispace.dbankcloud.cn",
-    "SG": "connect-ws-dra.hispace.dbankcloud.cn",
-    "SG_back": "connect-ws-dra.hispace.dbankcloud.com"
-  },
-  "client": {
-    "cp_id": "890048000024105546",
-    "product_id": "736430079244736562",
-    "client_id": "514530959291319360",
-    "client_secret": "C42522DBF17D3D4BBE9D9C1783A54484B7E6844B388B7A67502D36A633A4186B",
-    "project_id": "736430079244736562",
-    "app_id": "106552551",
-    "api_key": "CgB6e3x9BUNiq+r8ebCHNojjjYsMT4pJSjjNDOkm9owtBb6rVI6LjnASoZBRxbjjhObcrV5gANo99fI/eKZDTbWS",
-    "package_name": "io.github.wulkanowy.dev"
-  },
-  "oauth_client": {
-    "client_id": "106552551",
-    "client_type": 1
-  },
-  "app_info": {
-    "app_id": "106552551",
-    "package_name": "io.github.wulkanowy.dev"
-  },
-  "service": {
-    "analytics": {
-      "collector_url": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
-      "collector_url_ru": "datacollector-drru.dt.dbankcloud.ru,datacollector-drru.dt.hicloud.com",
-      "collector_url_sg": "datacollector-dra.dt.hicloud.com,datacollector-dra.dt.dbankcloud.cn",
-      "collector_url_de": "datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
-      "collector_url_cn": "datacollector-drcn.dt.hicloud.com,datacollector-drcn.dt.dbankcloud.cn",
-      "resource_id": "p1",
-      "channel_id": ""
-    },
-		"search":{
-			"url":"https://search-dre.cloud.huawei.com"
-		},
-		"cloudstorage": {
-      "storage_url_sg_back": "https://agc-storage-dra.cloud.huawei.asia",
-      "storage_url_ru_back": "https://agc-storage-drru.cloud.huawei.ru",
-      "storage_url_ru": "https://agc-storage-drru.cloud.huawei.ru",
-      "storage_url_de_back": "https://agc-storage-dre.cloud.huawei.eu",
-      "storage_url_de": "https://ops-dre.agcstorage.link",
-      "storage_url": "https://agc-storage-drcn.platform.dbankcloud.cn",
-      "storage_url_sg": "https://ops-dra.agcstorage.link",
-      "storage_url_cn_back": "https://agc-storage-drcn.cloud.huawei.com.cn",
-      "storage_url_cn": "https://agc-storage-drcn.platform.dbankcloud.cn"
-    },
-    "ml": {
-      "mlservice_url": "ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
-    }
-  },
-  "region": "DE",
-  "configuration_version": "3.0",
-  "appInfos": [
-    {
-      "package_name": "io.github.wulkanowy.dev",
-      "client": {
-        "app_id": "106552551"
-      },
-      "app_info": {
-        "package_name": "io.github.wulkanowy.dev",
-        "app_id": "106552551"
-      },
-      "oauth_client": {
-        "client_type": 1,
-        "client_id": "106552551"
-      }
-    }
-  ]
-}

app/src/main/AndroidManifest.xml

@@ -51,7 +51,7 @@
             android:exported="true"
             android:screenOrientation="portrait"
             android:theme="@style/WulkanowyTheme.SplashScreen"
-            tools:ignore="LockedOrientationActivity">
+            tools:ignore="DiscouragedApi,LockedOrientationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -155,33 +155,9 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
-        <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
-        <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
-        <provider
-            android:name="com.google.firebase.provider.FirebaseInitProvider"
-            android:authorities="${applicationId}.firebaseinitprovider"
-            android:enabled="${firebase_enabled}"
-            android:exported="false"
-            tools:ignore="MissingClass" />
-
         <meta-data
             android:name="install_channel"
             android:value="${install_channel}" />
-        <meta-data
-            android:name="firebase_analytics_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="google_analytics_adid_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_crashlytics_collection_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_messaging_auto_init_enabled"
-            android:value="${firebase_enabled}" />
-        <meta-data
-            android:name="firebase_inapp_messaging_auto_data_collection_enabled"
-            android:value="${firebase_enabled}" />
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_icon"
             android:resource="@drawable/ic_stat_all" />

app/src/main/java/io/github/wulkanowy/data/DataModule.kt

@@ -13,8 +13,8 @@ import dagger.Provides
 import dagger.hilt.InstallIn
 import dagger.hilt.android.qualifiers.ApplicationContext
 import dagger.hilt.components.SingletonComponent
-import io.github.wulkanowy.data.api.AdminMessageService
-import io.github.wulkanowy.data.api.SchoolsService
+import io.github.wulkanowy.data.api.services.SchoolsService
+import io.github.wulkanowy.data.api.services.WulkanowyService
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.repositories.PreferencesRepository
@@ -71,7 +71,7 @@ internal class DataModule {
         okHttpClient: OkHttpClient,
         json: Json,
         appInfo: AppInfo
-    ): AdminMessageService = Retrofit.Builder()
+    ): WulkanowyService = Retrofit.Builder()
         .baseUrl(appInfo.messagesBaseUrl)
         .client(okHttpClient)
         .addConverterFactory(json.asConverterFactory("application/json".toMediaType()))

app/src/main/java/io/github/wulkanowy/data/Resource.kt

@@ -1,11 +1,17 @@
 package io.github.wulkanowy.data
 
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.emitAll
 import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
@@ -14,16 +20,39 @@ import kotlinx.coroutines.flow.takeWhile
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.seconds
 
-sealed class Resource<T> {
-
-    open class Loading<T> : Resource<T>()
+sealed interface Resource<out T> {
+    /**
+     * The initial value of a resource flow. Indicates no data that is currently available to be shown,
+     * however with the expectation that the state will transition to another one soon.
+     */
+    open class Loading<T> : Resource<T>
 
+    /**
+     * A semi-loading state with some data available to be displayed (usually cached data loaded from
+     * the database). Still not the target state and it's expected to transition into another one soon.
+     */
     data class Intermediate<T>(val data: T) : Loading<T>()
 
-    data class Success<T>(val data: T) : Resource<T>()
+    /**
+     * The happy-path target state. Data can either be:
+     * - loaded from the database - while it may seem like this case is already handled by the
+     *   Intermediate state, the difference here is semantic. Cached data is returned as Intermediate
+     *   when there's a API request in progress (or soon expected to be), however when there is no
+     *   intention of immediately querying the API, the cached data is returned as a Success.
+     * - fetched from the API.
+     */
+    data class Success<T>(val data: T) : Resource<T>
 
-    data class Error<T>(val error: Throwable) : Resource<T>()
+    /**
+     * Something bad happened and we were unable to get the requested data. This can be caused by
+     * a database error, a network error, or really just any other error. Upon receiving this state
+     * the UI can either: display a full screen error, or, when it has received any data previously,
+     * display a snack bar informing of the problem.
+     */
+    data class Error<T>(val error: Throwable) : Resource<T>
 }
 
 val <T> Resource<T>.dataOrNull: T?
@@ -64,6 +93,22 @@ fun <T, U> Resource<T>.mapData(block: (T) -> U) = when (this) {
     is Resource.Error -> Resource.Error(this.error)
 }
 
+/**
+ * Injects another flow into this flow's resource data.
+ */
+inline fun <T1, T2, R> Flow<Resource<T1>>.combineWithResourceData(
+    flow: Flow<T2>,
+    crossinline block: suspend (T1, T2) -> R
+): Flow<Resource<R>> =
+    combine(flow) { resource, inject ->
+        when (resource) {
+            is Resource.Success -> Resource.Success(block(resource.data, inject))
+            is Resource.Intermediate -> Resource.Intermediate(block(resource.data, inject))
+            is Resource.Loading -> Resource.Loading()
+            is Resource.Error -> Resource.Error(resource.error)
+        }
+    }
+
 fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = false) = onEach {
     val description = when (it) {
         is Resource.Intermediate -> "intermediate data received" + if (showData) " (data: `${it.data}`)" else ""
@@ -74,8 +119,29 @@ fun <T> Flow<Resource<T>>.logResourceStatus(name: String, showData: Boolean = fa
     Timber.i("$name: $description")
 }
 
-fun <T, U> Flow<Resource<T>>.mapResourceData(block: (T) -> U) = map {
-    it.mapData(block)
+inline fun <T, U> Flow<Resource<T>>.mapResourceData(crossinline block: suspend (T) -> U) = map {
+    when (it) {
+        is Resource.Success -> Resource.Success(block(it.data))
+        is Resource.Intermediate -> Resource.Intermediate(block(it.data))
+        is Resource.Loading -> Resource.Loading()
+        is Resource.Error -> Resource.Error(it.error)
+    }
+}
+
+@OptIn(ExperimentalCoroutinesApi::class)
+fun <T, U> Flow<Resource<T>>.flatMapResourceData(
+    inheritIntermediate: Boolean = true, block: suspend (T) -> Flow<Resource<U>>
+) = flatMapLatest {
+    when (it) {
+        is Resource.Success -> block(it.data)
+        is Resource.Intermediate -> block(it.data).map { newRes ->
+            if (inheritIntermediate && newRes is Resource.Success) Resource.Intermediate(newRes.data)
+            else newRes
+        }
+
+        is Resource.Loading -> flowOf(Resource.Loading())
+        is Resource.Error -> flowOf(Resource.Error(it.error))
+    }
 }
 
 fun <T> Flow<Resource<T>>.onResourceData(block: suspend (T) -> Unit) = onEach {
@@ -105,13 +171,13 @@ fun <T> Flow<Resource<T>>.onResourceSuccess(block: suspend (T) -> Unit) = onEach
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceError(block: (Throwable) -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceError(block: suspend (Throwable) -> Unit) = onEach {
     if (it is Resource.Error) {
         block(it.error)
     }
 }
 
-fun <T> Flow<Resource<T>>.onResourceNotLoading(block: () -> Unit) = onEach {
+fun <T> Flow<Resource<T>>.onResourceNotLoading(block: suspend () -> Unit) = onEach {
     if (it !is Resource.Loading) {
         block()
     }
@@ -121,70 +187,99 @@ suspend fun <T> Flow<Resource<T>>.toFirstResult() = filter { it !is Resource.Loa
 
 suspend fun <T> Flow<Resource<T>>.waitForResult() = takeWhile { it is Resource.Loading }.collect()
 
-inline fun <ResultType, RequestType> networkBoundResource(
-    mutex: Mutex = Mutex(),
-    showSavedOnLoading: Boolean = true,
-    crossinline isResultEmpty: (ResultType) -> Boolean,
-    crossinline query: () -> Flow<ResultType>,
-    crossinline fetch: suspend (ResultType) -> RequestType,
-    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
-    crossinline onFetchFailed: (Throwable) -> Unit = { },
-    crossinline shouldFetch: (ResultType) -> Boolean = { true },
-    crossinline filterResult: (ResultType) -> ResultType = { it }
-) = flow {
-    emit(Resource.Loading())
+// Can cause excessive amounts of `Resource.Intermediate` to be emitted. Unless that is desired,
+// use `debounceIntermediates` to alleviate this behavior.
+inline fun <reified T> combineResourceFlows(flows: Iterable<Flow<Resource<T>>>): Flow<Resource<List<T>>> =
+    combine(flows) { items ->
+        var isIntermediate = false
+        val data = mutableListOf<T>()
+        for (item in items) {
+            when (item) {
+                is Resource.Success -> data.add(item.data)
+                is Resource.Intermediate -> {
+                    isIntermediate = true
+                    data.add(item.data)
+                }
 
-    val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val filteredResult = filterResult(data)
-
-        if (showSavedOnLoading && !isResultEmpty(filteredResult)) {
-            emit(Resource.Intermediate(filteredResult))
+                is Resource.Loading -> return@combine Resource.Loading()
+                is Resource.Error -> continue
+            }
         }
-
-        try {
-            val newData = fetch(data)
-            mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(filterResult(it)) }
-        } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+        if (data.isEmpty()) {
+            // All items have to be errors for this to happen, so just return the first one.
+            // mapData is functionally useless and exists only to satisfy the type checker
+            items.first().mapData { listOf(it) }
+        } else if (isIntermediate) {
+            Resource.Intermediate(data)
+        } else {
+            Resource.Success(data)
+        }
+    }
+
+@OptIn(FlowPreview::class)
+fun <T> Flow<Resource<T>>.debounceIntermediates(timeout: Duration = 5.seconds) = flow {
+    var wasIntermediate = false
+
+    emitAll(this@debounceIntermediates.debounce {
+        if (it is Resource.Intermediate) {
+            if (!wasIntermediate) {
+                wasIntermediate = true
+                Duration.ZERO
+            } else {
+                timeout
+            }
+        } else {
+            wasIntermediate = false
+            Duration.ZERO
         }
-    } else {
-        query().map { Resource.Success(filterResult(it)) }
     })
 }
 
+
+inline fun <OutputType, ApiType> networkBoundResource(
+    mutex: Mutex = Mutex(),
+    crossinline isResultEmpty: (OutputType) -> Boolean,
+    crossinline query: () -> Flow<OutputType>,
+    crossinline fetch: suspend () -> ApiType,
+    crossinline saveFetchResult: suspend (old: OutputType, new: ApiType) -> Unit,
+    crossinline shouldFetch: (OutputType) -> Boolean = { true },
+    crossinline filterResult: (OutputType) -> OutputType = { it }
+) = networkBoundResource(
+    mutex = mutex,
+    isResultEmpty = isResultEmpty,
+    query = query,
+    fetch = fetch,
+    saveFetchResult = saveFetchResult,
+    shouldFetch = shouldFetch,
+    mapResult = filterResult
+)
+
 @JvmName("networkBoundResourceWithMap")
-inline fun <ResultType, RequestType, T> networkBoundResource(
+inline fun <DatabaseType, ApiType, OutputType> networkBoundResource(
     mutex: Mutex = Mutex(),
-    showSavedOnLoading: Boolean = true,
-    crossinline isResultEmpty: (T) -> Boolean,
-    crossinline query: () -> Flow<ResultType>,
-    crossinline fetch: suspend (ResultType) -> RequestType,
-    crossinline saveFetchResult: suspend (old: ResultType, new: RequestType) -> Unit,
-    crossinline onFetchFailed: (Throwable) -> Unit = { },
-    crossinline shouldFetch: (ResultType) -> Boolean = { true },
-    crossinline mapResult: (ResultType) -> T,
+    crossinline isResultEmpty: (OutputType) -> Boolean,
+    crossinline query: () -> Flow<DatabaseType>,
+    crossinline fetch: suspend () -> ApiType,
+    crossinline saveFetchResult: suspend (old: DatabaseType, new: ApiType) -> Unit,
+    crossinline shouldFetch: (DatabaseType) -> Boolean = { true },
+    crossinline mapResult: (DatabaseType) -> OutputType,
 ) = flow {
     emit(Resource.Loading())
 
     val data = query().first()
-    emitAll(if (shouldFetch(data)) {
-        val mappedResult = mapResult(data)
+    if (shouldFetch(data)) {
+        emit(Resource.Intermediate(data))
 
-        if (showSavedOnLoading && !isResultEmpty(mappedResult)) {
-            emit(Resource.Intermediate(mappedResult))
-        }
         try {
-            val newData = fetch(data)
+            val newData = fetch()
             mutex.withLock { saveFetchResult(query().first(), newData) }
-            query().map { Resource.Success(mapResult(it)) }
         } catch (throwable: Throwable) {
-            onFetchFailed(throwable)
-            flowOf(Resource.Error(throwable))
+            emit(Resource.Error(throwable))
+            return@flow
         }
-    } else {
-        query().map { Resource.Success(mapResult(it)) }
-    })
+    }
+
+    emitAll(query().map { Resource.Success(it) })
 }
+    .mapResourceData { mapResult(it) }
+    .filterNot { it is Resource.Intermediate && isResultEmpty(it.data) }

app/src/main/java/io/github/wulkanowy/data/WulkanowySdkFactory.kt

@@ -5,6 +5,7 @@ import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentIsEduOne
+import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.RemoteConfigHelper
 import io.github.wulkanowy.utils.WebkitCookieManagerProxy
@@ -20,6 +21,7 @@ class WulkanowySdkFactory @Inject constructor(
     private val remoteConfig: RemoteConfigHelper,
     private val webkitCookieManagerProxy: WebkitCookieManagerProxy,
     private val studentDb: StudentDao,
+    private val wulkanowyRepository: WulkanowyRepository,
 ) {
 
     private val eduOneMutex = Mutex()
@@ -36,14 +38,29 @@ class WulkanowySdkFactory @Inject constructor(
         addInterceptor(chuckerInterceptor, network = true)
     }
 
-    fun create() = sdk
+    fun createBase() = sdk
+
+    suspend fun create(): Sdk {
+        val mapping = wulkanowyRepository.getMapping()
+
+        return createBase().apply {
+            if (mapping != null) {
+                endpointsMapping = mapping.endpoints
+                vTokenMapping = mapping.vTokens
+            }
+        }
+    }
 
     suspend fun create(student: Student, semester: Semester? = null): Sdk {
         val overrideIsEduOne = checkEduOneAndMigrateIfNecessary(student)
         return buildSdk(student, semester, overrideIsEduOne)
     }
 
-    private fun buildSdk(student: Student, semester: Semester?, isStudentEduOne: Boolean): Sdk {
+    private suspend fun buildSdk(
+        student: Student,
+        semester: Semester?,
+        isStudentEduOne: Boolean
+    ): Sdk {
         return create().apply {
             email = student.email
             password = student.password

app/src/main/java/io/github/wulkanowy/data/api/models/Mapping.kt

@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.api.models
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Mapping(
+
+    @SerialName("endpoints")
+    val endpoints: Map<String, Map<String, Map<String, String>>>,
+
+    @SerialName("vTokens")
+    val vTokens: Map<String, Map<String, Map<String, String>>>,
+)

app/src/main/java/io/github/wulkanowy/data/api/services/SchoolsService.kt

@@ -1,4 +1,4 @@
-package io.github.wulkanowy.data.api
+package io.github.wulkanowy.data.api.services
 
 import io.github.wulkanowy.data.pojos.IntegrityRequest
 import io.github.wulkanowy.data.pojos.LoginEvent

app/src/main/java/io/github/wulkanowy/data/api/services/WulkanowyService.kt

@@ -1,12 +1,16 @@
-package io.github.wulkanowy.data.api
+package io.github.wulkanowy.data.api.services
 
+import io.github.wulkanowy.data.api.models.Mapping
 import io.github.wulkanowy.data.db.entities.AdminMessage
 import retrofit2.http.GET
 import javax.inject.Singleton
 
 @Singleton
-interface AdminMessageService {
+interface WulkanowyService {
 
     @GET("/v1.json")
     suspend fun getAdminMessages(): List<AdminMessage>
-}
+
+    @GET("/mapping1.json")
+    suspend fun getMapping(): Mapping
+}

app/src/main/java/io/github/wulkanowy/data/db/dao/AttendanceDao.kt

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.db.dao
 import androidx.room.Dao
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
 import kotlinx.coroutines.flow.Flow
 import java.time.LocalDate
 import javax.inject.Singleton

app/src/main/java/io/github/wulkanowy/data/db/dao/GradeDao.kt

@@ -12,4 +12,8 @@ interface GradeDao : BaseDao<Grade> {
 
     @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId")
     fun loadAll(semesterId: Int, studentId: Int): Flow<List<Grade>>
+
+    @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId " +
+        "AND entry NOT IN(:censoredEntries)")
+    fun loadAllCensored(semesterId: Int, studentId: Int, censoredEntries: Array<String>): Flow<List<Grade>>
 }

app/src/main/java/io/github/wulkanowy/data/db/dao/NoteDao.kt

@@ -9,7 +9,6 @@ import javax.inject.Singleton
 @Singleton
 @Dao
 interface NoteDao : BaseDao<Note> {
-
     @Query("SELECT * FROM Notes WHERE student_id = :studentId")
     fun loadAll(studentId: Int): Flow<List<Note>>
 }

app/src/main/java/io/github/wulkanowy/data/db/entities/AdminMessage.kt

@@ -4,6 +4,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import io.github.wulkanowy.data.enums.MessageType
+import io.github.wulkanowy.data.serializers.SafeMessageTypeEnumListSerializer
+import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
@@ -34,6 +36,8 @@ data class AdminMessage(
 
     val priority: String,
 
+    @SerialName("messageTypes")
+    @Serializable(with = SafeMessageTypeEnumListSerializer::class)
     @ColumnInfo(name = "types", defaultValue = "[]")
     val types: List<MessageType> = emptyList(),
 

app/src/main/java/io/github/wulkanowy/data/enums/AppTheme.kt

@@ -7,6 +7,6 @@ enum class AppTheme(val value: String) {
     BLACK("black");
 
     companion object {
-        fun getByValue(value: String) = values().find { it.value == value } ?: LIGHT
+        fun getByValue(value: String) = entries.find { it.value == value } ?: LIGHT
     }
-}
+}

app/src/main/java/io/github/wulkanowy/data/enums/AttendanceCalculatorSortingMode.kt

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.enums
+
+enum class AttendanceCalculatorSortingMode(private val value: String) {
+    ALPHABETIC("alphabetic"),
+    ATTENDANCE("attendance_percentage"),
+    LESSON_BALANCE("lesson_balance");
+
+    companion object {
+        fun getByValue(value: String) =
+            AttendanceCalculatorSortingMode.values()
+                .find { it.value == value } ?: ALPHABETIC
+    }
+}

app/src/main/java/io/github/wulkanowy/data/enums/GradeColorTheme.kt

@@ -8,6 +8,6 @@ enum class GradeColorTheme(val value: String) : Serializable {
     GRADE_COLOR("grade_color");
 
     companion object {
-        fun getByValue(value: String) = values().find { it.value == value } ?: VULCAN
+        fun getByValue(value: String) = entries.find { it.value == value } ?: VULCAN
     }
-}
+}

app/src/main/java/io/github/wulkanowy/data/enums/GradeExpandMode.kt

@@ -6,6 +6,6 @@ enum class GradeExpandMode(val value: String) {
     ALWAYS_EXPANDED("always");
 
     companion object {
-        fun getByValue(value: String) = values().find { it.value == value } ?: ONE
+        fun getByValue(value: String) = entries.find { it.value == value } ?: ONE
     }
-}
+}

app/src/main/java/io/github/wulkanowy/data/enums/GradeSortingMode.kt

@@ -6,6 +6,6 @@ enum class GradeSortingMode(val value: String) {
     AVERAGE("average");
 
     companion object {
-        fun getByValue(value: String) = values().find { it.value == value } ?: ALPHABETIC
+        fun getByValue(value: String) = entries.find { it.value == value } ?: ALPHABETIC
     }
 }

app/src/main/java/io/github/wulkanowy/data/enums/MessageType.kt

@@ -4,6 +4,8 @@ enum class MessageType {
     GENERAL_MESSAGE,
     DASHBOARD_MESSAGE,
     LOGIN_MESSAGE,
+    LOGIN_STUDENT_SELECT_MESSAGE,
+    LOGIN_SYMBOL_MESSAGE,
     PASS_RESET_MESSAGE,
     ERROR_OVERRIDE,
 }

app/src/main/java/io/github/wulkanowy/data/enums/ShowAdditionalLessonsMode.kt

@@ -0,0 +1,11 @@
+package io.github.wulkanowy.data.enums
+
+enum class ShowAdditionalLessonsMode(val value: String) {
+    NONE("none"),
+    INLINE("inline"),
+    BELOW("below");
+
+    companion object {
+        fun getByValue(value: String) = entries.find { it.value == value } ?: INLINE
+    }
+}

app/src/main/java/io/github/wulkanowy/data/enums/TimetableMode.kt

@@ -6,6 +6,6 @@ enum class TimetableMode(val value: String) {
     SMALL_OTHER_GROUP("small");
 
     companion object {
-        fun getByValue(value: String) = values().find { it.value == value } ?: ONLY_CURRENT_GROUP
+        fun getByValue(value: String) = entries.find { it.value == value } ?: ONLY_CURRENT_GROUP
     }
-}
+}

app/src/main/java/io/github/wulkanowy/data/pojos/AttendanceData.kt

@@ -0,0 +1,14 @@
+package io.github.wulkanowy.data.pojos
+
+data class AttendanceData(
+    val subjectName: String,
+    val lessonBalance: Int,
+    val presences: Int,
+    val absences: Int,
+) {
+    val total: Int
+        get() = presences + absences
+
+    val presencePercentage: Double
+        get() = if (total == 0) 0.0 else (presences.toDouble() / total) * 100
+}

app/src/main/java/io/github/wulkanowy/data/repositories/AdminMessageRepository.kt

@@ -1,33 +0,0 @@
-package io.github.wulkanowy.data.repositories
-
-import io.github.wulkanowy.data.Resource
-import io.github.wulkanowy.data.api.AdminMessageService
-import io.github.wulkanowy.data.db.dao.AdminMessageDao
-import io.github.wulkanowy.data.db.entities.AdminMessage
-import io.github.wulkanowy.data.networkBoundResource
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.sync.Mutex
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class AdminMessageRepository @Inject constructor(
-    private val adminMessageService: AdminMessageService,
-    private val adminMessageDao: AdminMessageDao,
-) {
-
-    private val saveFetchResultMutex = Mutex()
-
-    fun getAdminMessages(): Flow<Resource<List<AdminMessage>>> =
-        networkBoundResource(
-            mutex = saveFetchResultMutex,
-            isResultEmpty = { false },
-            query = { adminMessageDao.loadAll() },
-            fetch = { adminMessageService.getAdminMessages() },
-            shouldFetch = { true },
-            saveFetchResult = { oldItems, newItems ->
-                adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
-            },
-            showSavedOnLoading = false,
-        )
-}

app/src/main/java/io/github/wulkanowy/data/repositories/AttendanceRepository.kt

@@ -9,12 +9,15 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
 import io.github.wulkanowy.sdk.pojo.Absent
+import io.github.wulkanowy.sdk.pojo.Attendance as SdkAttendance
+import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -28,12 +31,71 @@ class AttendanceRepository @Inject constructor(
     private val timetableDb: TimetableDao,
     private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
+    private val preferencesRepository: PreferencesRepository
 ) {
 
     private val saveFetchResultMutex = Mutex()
 
     private val cacheKey = "attendance"
 
+    private fun filterAttendance(
+        hiddenAttendanceTiles: List<DashboardItem.HiddenAttendanceTile>,
+        attendanceItem: Attendance
+    ): Boolean {
+        return when {
+            attendanceItem.absence && attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.EXCUSED_ABSENCE
+            ) -> false
+
+            attendanceItem.absence && !attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.UNEXCUSED_ABSENCE
+            ) -> false
+
+            attendanceItem.lateness && attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.EXCUSED_LATENESS
+            ) -> false
+
+            attendanceItem.lateness && !attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.UNEXCUSED_LATENESS
+            ) -> false
+
+            attendanceItem.exemption && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.EXEMPTION) -> false
+            attendanceItem.deleted && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.DELETED) -> false
+            attendanceItem.presence && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.PRESENT) -> false
+
+            else -> !hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.UNKNOWN)
+        }
+    }
+
+    private fun filterAttendance(
+        hiddenAttendanceTiles: List<DashboardItem.HiddenAttendanceTile>,
+        attendanceItem: SdkAttendance
+    ): Boolean {
+        return when {
+            attendanceItem.absence && attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.EXCUSED_ABSENCE
+            ) -> false
+
+            attendanceItem.absence && !attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.UNEXCUSED_ABSENCE
+            ) -> false
+
+            attendanceItem.lateness && attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.EXCUSED_LATENESS
+            ) -> false
+
+            attendanceItem.lateness && !attendanceItem.excused && hiddenAttendanceTiles.contains(
+                DashboardItem.HiddenAttendanceTile.UNEXCUSED_LATENESS
+            ) -> false
+
+            attendanceItem.exemption && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.EXEMPTION) -> false
+            attendanceItem.deleted && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.DELETED) -> false
+            attendanceItem.presence && hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.PRESENT) -> false
+
+            else -> !hiddenAttendanceTiles.contains(DashboardItem.HiddenAttendanceTile.UNKNOWN)
+        }
+    }
+
     fun getAttendance(
         student: Student,
         semester: Semester,
@@ -51,14 +113,24 @@ class AttendanceRepository @Inject constructor(
             it.isEmpty() || forceRefresh || isExpired
         },
         query = {
-            attendanceDb.loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)
+            val hiddenAttendanceItems = preferencesRepository.hiddenAttendanceItems
+
+            attendanceDb
+                .loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)
+                .map {
+                    it.filter { item -> filterAttendance(hiddenAttendanceItems, item) }
+                }
         },
         fetch = {
+            val hiddenAttendanceItems = preferencesRepository.hiddenAttendanceItems
+
             val lessons = timetableDb.load(
                 semester.diaryId, semester.studentId, start.monday, end.sunday
             )
+
             wulkanowySdkFactory.create(student, semester)
                 .getAttendance(start.monday, end.sunday)
+                .filter { item -> filterAttendance(hiddenAttendanceItems, item) }
                 .mapToEntities(semester, lessons)
         },
         saveFetchResult = { old, new ->
@@ -79,7 +151,13 @@ class AttendanceRepository @Inject constructor(
         start: LocalDate,
         end: LocalDate
     ): Flow<List<Attendance>> {
-        return attendanceDb.loadAll(semester.diaryId, semester.studentId, start, end)
+        val hiddenAttendanceItems = preferencesRepository.hiddenAttendanceItems
+
+        return attendanceDb
+            .loadAll(semester.diaryId, semester.studentId, start.monday, end.sunday)
+            .map {
+                it.filter { item -> filterAttendance(hiddenAttendanceItems, item) }
+            }
     }
 
     suspend fun updateTimetable(timetable: List<Attendance>) {

app/src/main/java/io/github/wulkanowy/data/repositories/GradeRepository.kt

@@ -19,6 +19,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
+import timber.log.Timber
 import java.time.Instant
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -30,10 +31,18 @@ class GradeRepository @Inject constructor(
     private val gradeDescriptiveDb: GradeDescriptiveDao,
     private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
+    private val preferencesRepository: PreferencesRepository
 ) {
 
     private val saveFetchResultMutex = Mutex()
 
+    private fun loadGrades(semesterId: Int, studentId: Int): Flow<List<Grade>> {
+        val hiddenGrades = preferencesRepository.hiddenGrades
+
+        Timber.i("Load grades for semester $semesterId student $studentId")
+        return gradeDb.loadAllCensored(semesterId, studentId, hiddenGrades.toTypedArray())
+    }
+
     fun getGrades(
         student: Student,
         semester: Semester,
@@ -61,11 +70,15 @@ class GradeRepository @Inject constructor(
             }
         },
         fetch = {
+            val hiddenGrades = preferencesRepository.hiddenGrades
+
             val (details, summary, descriptive) = wulkanowySdkFactory.create(student, semester)
                 .getGrades(semester.semesterId)
 
+            val censoredDetails = details.filterNot { it.entry in hiddenGrades }
+
             Triple(
-                details.mapToEntities(semester),
+                censoredDetails.mapToEntities(semester),
                 summary.mapToEntities(semester),
                 descriptive.mapToEntities(semester)
             )
@@ -157,13 +170,13 @@ class GradeRepository @Inject constructor(
     }
 
     fun getUnreadGrades(semester: Semester): Flow<List<Grade>> {
-        return gradeDb.loadAll(semester.semesterId, semester.studentId).map {
+        return loadGrades(semester.semesterId, semester.studentId).map {
             it.filter { grade -> !grade.isRead }
         }
     }
 
     fun getGradesFromDatabase(semester: Semester): Flow<List<Grade>> {
-        return gradeDb.loadAll(semester.semesterId, semester.studentId)
+        return loadGrades(semester.semesterId, semester.studentId)
     }
 
     fun getGradesPredictedFromDatabase(semester: Semester): Flow<List<GradeSummary>> {

app/src/main/java/io/github/wulkanowy/data/repositories/LuckyNumberRepository.kt

@@ -6,6 +6,8 @@ import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.mappers.mapToEntity
 import io.github.wulkanowy.data.networkBoundResource
+import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider
+import io.github.wulkanowy.utils.AppWidgetUpdater
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.sync.Mutex
@@ -18,6 +20,7 @@ import javax.inject.Singleton
 class LuckyNumberRepository @Inject constructor(
     private val luckyNumberDb: LuckyNumberDao,
     private val wulkanowySdkFactory: WulkanowySdkFactory,
+    private val appWidgetUpdater: AppWidgetUpdater,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -26,6 +29,7 @@ class LuckyNumberRepository @Inject constructor(
         student: Student,
         forceRefresh: Boolean,
         notify: Boolean = false,
+        isFromAppWidget: Boolean = false
     ) = networkBoundResource(
         mutex = saveFetchResultMutex,
         isResultEmpty = { it == null },
@@ -44,6 +48,9 @@ class LuckyNumberRepository @Inject constructor(
                     oldItems = listOfNotNull(oldLuckyNumber),
                     newItems = listOf(newLuckyNumber.apply { if (notify) isNotified = false }),
                 )
+                if (!isFromAppWidget) {
+                    appWidgetUpdater.updateAllAppWidgetsByProvider(LuckyNumberWidgetProvider::class)
+                }
             }
         }
     )

app/src/main/java/io/github/wulkanowy/data/repositories/MessageRepository.kt

@@ -122,7 +122,7 @@ class MessageRepository @Inject constructor(
         fetch = {
             wulkanowySdkFactory.create(student)
                 .getMessageDetails(
-                    messageKey = it!!.message.messageGlobalKey,
+                    messageKey = message.messageGlobalKey,
                     markAsRead = message.unread && markAsRead,
                 )
         },

app/src/main/java/io/github/wulkanowy/data/repositories/NoteRepository.kt

@@ -21,6 +21,7 @@ class NoteRepository @Inject constructor(
     private val noteDb: NoteDao,
     private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val refreshHelper: AutoRefreshHelper,
+    private val preferencesRepository: PreferencesRepository
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -39,12 +40,16 @@ class NoteRepository @Inject constructor(
             val isExpired = refreshHelper.shouldBeRefreshed(
                 getRefreshKey(cacheKey, semester)
             )
+
             it.isEmpty() || forceRefresh || isExpired
         },
         query = { noteDb.loadAll(student.studentId) },
         fetch = {
+            val showNotes = preferencesRepository.showNotes
+
             wulkanowySdkFactory.create(student, semester)
                 .getNotes()
+                .filter { showNotes }
                 .mapToEntities(semester)
         },
         saveFetchResult = { old, new ->

app/src/main/java/io/github/wulkanowy/data/repositories/PreferencesRepository.kt

@@ -7,12 +7,16 @@ import androidx.core.content.edit
 import com.fredporciuncula.flow.preferences.FlowSharedPreferences
 import com.fredporciuncula.flow.preferences.Preference
 import com.fredporciuncula.flow.preferences.Serializer
+import com.fredporciuncula.flow.preferences.map
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.api.models.Mapping
 import io.github.wulkanowy.data.enums.AppTheme
+import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
 import io.github.wulkanowy.data.enums.GradeColorTheme
 import io.github.wulkanowy.data.enums.GradeExpandMode
 import io.github.wulkanowy.data.enums.GradeSortingMode
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode
 import io.github.wulkanowy.data.enums.TimetableGapsMode
 import io.github.wulkanowy.data.enums.TimetableMode
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
@@ -22,6 +26,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
+import timber.log.Timber
 import java.time.Instant
 import java.util.UUID
 import javax.inject.Inject
@@ -34,6 +39,7 @@ class PreferencesRepository @Inject constructor(
     private val flowSharedPref: FlowSharedPreferences,
     private val json: Json,
 ) {
+    private val NO_ATTENDANCE_VALUE = -1.0
 
     val isShowPresent: Boolean
         get() = getBoolean(
@@ -41,6 +47,27 @@ class PreferencesRepository @Inject constructor(
             R.bool.pref_default_attendance_present
         )
 
+    val targetAttendanceFlow: Flow<Int>
+        get() = flowSharedPref.getInt(
+            context.getString(R.string.pref_key_attendance_target),
+            context.resources.getInteger(R.integer.pref_default_attendance_target)
+        ).asFlow()
+
+    val attendanceCalculatorSortingModeFlow: Flow<AttendanceCalculatorSortingMode>
+        get() = flowSharedPref.getString(
+            context.getString(R.string.pref_key_attendance_calculator_sorting_mode),
+            context.resources.getString(R.string.pref_default_attendance_calculator_sorting_mode)
+        ).asFlow().map(AttendanceCalculatorSortingMode::getByValue)
+
+    /**
+     * Subjects are empty when they don't have any attendances (total = 0, attendances = 0, absences = 0).
+     */
+    val attendanceCalculatorShowEmptySubjects: Flow<Boolean>
+        get() = flowSharedPref.getBoolean(
+            context.getString(R.string.pref_key_attendance_calculator_show_empty_subjects),
+            context.resources.getBoolean(R.bool.pref_default_attendance_calculator_show_empty_subjects)
+        ).asFlow()
+
     private val gradeAverageModePref: Preference<GradeAverageMode>
         get() = getObjectFlow(
             R.string.pref_key_grade_average_mode,
@@ -191,6 +218,12 @@ class PreferencesRepository @Inject constructor(
             )
         )
 
+    val showAdditionalLessonsInPlan: ShowAdditionalLessonsMode
+        get() = getString(
+            R.string.pref_key_timetable_show_additional_lessons,
+            R.string.pref_default_timetable_show_additional_lessons
+        ).let { ShowAdditionalLessonsMode.getByValue(it) }
+
     val gradeSortingMode: GradeSortingMode
         get() = GradeSortingMode.getByValue(
             getString(
@@ -272,6 +305,60 @@ class PreferencesRepository @Inject constructor(
             selectedDashboardTilesPreference.set(filteredValue)
         }
 
+    var attendancePercentage: Double?
+        get() = attendancePercentagePreference.get().takeIf { it != NO_ATTENDANCE_VALUE }
+        set(value) = attendancePercentagePreference.set(value ?: NO_ATTENDANCE_VALUE)
+
+    var hiddenAttendanceItems: List<DashboardItem.HiddenAttendanceTile>
+        get() = hiddenAttendanceItemsPreference.get().toList()
+        set(value) = hiddenAttendanceItemsPreference.set(value.toSet())
+
+    var hiddenGrades: List<String>
+        get() = hiddenGradesPreference.get().toList()
+        set(value) = hiddenGradesPreference.set(value.toSet())
+
+    var showNotes: Boolean
+        get() = showNotesPreference.get()
+        set(value) = showNotesPreference.set(value)
+
+    var developerMode: Boolean
+        get() = developerModePreference.get()
+        set(value) = developerModePreference.set(value)
+
+    private val developerModePreference: Preference<Boolean>
+        get() = flowSharedPref.getBoolean(
+            context.getString(R.string.pref_key_developer_mode),
+            context.resources.getBoolean(R.bool.pref_default_developer_mode)
+        )
+
+    private val hiddenGradesPreference: Preference<Set<String>>
+        get() {
+            val defaultSet = context.resources.getStringArray(R.array.pref_default_hidden_grades).toSet()
+            val prefKey = "hidden_grades"
+
+            return flowSharedPref.getStringSet(prefKey, defaultSet)
+        }
+
+    private val showNotesPreference: Preference<Boolean>
+        get() = flowSharedPref.getBoolean(
+            context.getString(R.string.pref_key_show_notes),
+            context.resources.getBoolean(R.bool.pref_default_show_notes)
+        )
+
+    private val hiddenAttendanceItemsPreference: Preference<Set<DashboardItem.HiddenAttendanceTile>>
+        get() {
+            val defaultSet =
+                context.resources.getStringArray(R.array.pref_default_hidden_attendance_items).toSet()
+            val prefKey = "attendance_items"
+
+            return flowSharedPref
+                .getStringSet(prefKey, defaultSet)
+                .map(
+                    mapper = { it -> it.map { DashboardItem.HiddenAttendanceTile.valueOf(it) }.toSet() },
+                    reverse = { it -> it.map { it.name }.toSet() }
+                )
+        }
+
     private val selectedDashboardTilesPreference: Preference<Set<String>>
         get() {
             val defaultSet =
@@ -281,6 +368,19 @@ class PreferencesRepository @Inject constructor(
             return flowSharedPref.getStringSet(prefKey, defaultSet)
         }
 
+    private val attendancePercentagePreference: Preference<Double>
+        get() {
+            val prefKey = context.getString(R.string.pref_key_attendance_percentage)
+            val defaultValue = context.resources.getString(R.string.pref_default_attendance_percentage)
+
+            return flowSharedPref
+                .getString(prefKey, defaultValue)
+                .map(
+                    mapper = { it.toDoubleOrNull() ?: NO_ATTENDANCE_VALUE },
+                    reverse = { it.toString() }
+                )
+        }
+
     var dismissedAdminMessageIds: List<Int>
         get() = sharedPref.getStringSet(PREF_KEY_ADMIN_DISMISSED_MESSAGE_IDS, emptySet())
             .orEmpty()
@@ -346,6 +446,15 @@ class PreferencesRepository @Inject constructor(
         get() = sharedPref.getString(PREF_KEY_INSTALLATION_ID, null).orEmpty()
         private set(value) = sharedPref.edit { putString(PREF_KEY_INSTALLATION_ID, value) }
 
+    var mapping: Mapping?
+        get() {
+            val value = sharedPref.getString("mapping", null)
+            return value?.let { json.decodeFromString(it) }
+        }
+        set(value) = sharedPref.edit(commit = true) {
+            putString("mapping", value?.let { json.encodeToString(it) })
+        }
+
     init {
         if (installationId.isEmpty()) {
             installationId = UUID.randomUUID().toString()

app/src/main/java/io/github/wulkanowy/data/repositories/SchoolsRepository.kt

@@ -1,7 +1,7 @@
 package io.github.wulkanowy.data.repositories
 
 import io.github.wulkanowy.data.WulkanowySdkFactory
-import io.github.wulkanowy.data.api.SchoolsService
+import io.github.wulkanowy.data.api.services.SchoolsService
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters

app/src/main/java/io/github/wulkanowy/data/repositories/StudentRepository.kt

@@ -199,7 +199,7 @@ class StudentRepository @Inject constructor(
 
     suspend fun refreshStudentAfterAuthorize(student: Student, semester: Semester) {
         val wulkanowySdk = wulkanowySdkFactory.create(student, semester)
-        val newCurrentApiStudent = runCatching { wulkanowySdk.getCurrentStudent() }
+            val newCurrentApiStudent = runCatching { wulkanowySdk.getCurrentStudent() }
             .onFailure { Timber.e(it, "Can't find student with id ${student.studentId}") }
             .getOrNull() ?: return
 

app/src/main/java/io/github/wulkanowy/data/repositories/TimetableRepository.kt

@@ -13,6 +13,8 @@ import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.networkBoundResource
 import io.github.wulkanowy.data.pojos.TimetableFull
 import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
+import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider
+import io.github.wulkanowy.utils.AppWidgetUpdater
 import io.github.wulkanowy.utils.AutoRefreshHelper
 import io.github.wulkanowy.utils.getRefreshKey
 import io.github.wulkanowy.utils.monday
@@ -26,6 +28,7 @@ import java.time.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
+
 @Singleton
 class TimetableRepository @Inject constructor(
     private val timetableDb: TimetableDao,
@@ -34,6 +37,7 @@ class TimetableRepository @Inject constructor(
     private val wulkanowySdkFactory: WulkanowySdkFactory,
     private val schedulerHelper: TimetableNotificationSchedulerHelper,
     private val refreshHelper: AutoRefreshHelper,
+    private val appWidgetUpdater: AppWidgetUpdater,
 ) {
 
     private val saveFetchResultMutex = Mutex()
@@ -52,7 +56,8 @@ class TimetableRepository @Inject constructor(
         forceRefresh: Boolean,
         refreshAdditional: Boolean = false,
         notify: Boolean = false,
-        timetableType: TimetableType = TimetableType.NORMAL
+        timetableType: TimetableType = TimetableType.NORMAL,
+        isFromAppWidget: Boolean = false
     ) = networkBoundResource(
         mutex = saveFetchResultMutex,
         isResultEmpty = {
@@ -83,6 +88,9 @@ class TimetableRepository @Inject constructor(
             refreshDayHeaders(timetableOld.headers, timetableNew.headers)
 
             refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, semester, start, end))
+            if (!isFromAppWidget) {
+                appWidgetUpdater.updateAllAppWidgetsByProvider(TimetableWidgetProvider::class)
+            }
         },
         filterResult = { (timetable, additional, headers) ->
             TimetableFull(

app/src/main/java/io/github/wulkanowy/data/repositories/WulkanowyRepository.kt

@@ -0,0 +1,54 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.Resource
+import io.github.wulkanowy.data.api.models.Mapping
+import io.github.wulkanowy.data.api.services.WulkanowyService
+import io.github.wulkanowy.data.db.dao.AdminMessageDao
+import io.github.wulkanowy.data.db.entities.AdminMessage
+import io.github.wulkanowy.data.networkBoundResource
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.filterNot
+import kotlinx.coroutines.sync.Mutex
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class WulkanowyRepository @Inject constructor(
+    private val wulkanowyService: WulkanowyService,
+    private val adminMessageDao: AdminMessageDao,
+    private val preferencesRepository: PreferencesRepository,
+) {
+
+    private val saveFetchResultMutex = Mutex()
+
+    fun getAdminMessages(): Flow<Resource<List<AdminMessage>>> =
+        networkBoundResource(
+            mutex = saveFetchResultMutex,
+            isResultEmpty = { false },
+            query = { adminMessageDao.loadAll() },
+            fetch = { wulkanowyService.getAdminMessages() },
+            shouldFetch = { true },
+            saveFetchResult = { oldItems, newItems ->
+                adminMessageDao.removeOldAndSaveNew(oldItems, newItems)
+            },
+        )
+            .filterNot { it is Resource.Intermediate }
+
+    suspend fun getMapping(): Mapping? {
+        var savedMapping = preferencesRepository.mapping
+
+        if (savedMapping == null) {
+            fetchMapping()
+            savedMapping = preferencesRepository.mapping
+        }
+
+        return savedMapping
+    }
+
+    suspend fun fetchMapping() {
+        runCatching { wulkanowyService.getMapping() }
+            .onFailure { Timber.e(it) }
+            .onSuccess { preferencesRepository.mapping = it }
+    }
+}

app/src/main/java/io/github/wulkanowy/data/serializers/SafeMessageTypeEnumListSerializer.kt

@@ -0,0 +1,27 @@
+package io.github.wulkanowy.data.serializers
+
+import io.github.wulkanowy.data.enums.MessageType
+import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.builtins.ListSerializer
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+@OptIn(ExperimentalSerializationApi::class)
+object SafeMessageTypeEnumListSerializer : KSerializer<List<MessageType>> {
+
+    private val serializer = ListSerializer(String.serializer())
+
+    override val descriptor = serializer.descriptor
+
+    override fun serialize(encoder: Encoder, value: List<MessageType>) {
+        encoder.encodeNotNullMark()
+        serializer.serialize(encoder, value.map { it.name })
+    }
+
+    override fun deserialize(decoder: Decoder): List<MessageType> =
+        serializer.deserialize(decoder).mapNotNull { enumName ->
+            MessageType.entries.find { it.name == enumName }
+        }
+}

app/src/main/java/io/github/wulkanowy/domain/adminmessage/GetAppropriateAdminMessageUseCase.kt

@@ -5,14 +5,14 @@ import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.enums.MessageType
 import io.github.wulkanowy.data.mapResourceData
-import io.github.wulkanowy.data.repositories.AdminMessageRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.utils.AppInfo
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 
 class GetAppropriateAdminMessageUseCase @Inject constructor(
-    private val adminMessageRepository: AdminMessageRepository,
+    private val wulkanowyRepository: WulkanowyRepository,
     private val preferencesRepository: PreferencesRepository,
     private val appInfo: AppInfo
 ) {
@@ -22,7 +22,7 @@ class GetAppropriateAdminMessageUseCase @Inject constructor(
     }
 
     operator fun invoke(scrapperBaseUrl: String, type: MessageType): Flow<Resource<AdminMessage?>> {
-        return adminMessageRepository.getAdminMessages().mapResourceData { adminMessages ->
+        return wulkanowyRepository.getAdminMessages().mapResourceData { adminMessages ->
             adminMessages
                 .asSequence()
                 .filter { it.isNotDismissed() }

app/src/main/java/io/github/wulkanowy/domain/attendance/GetAttendanceCalculatorDataUseCase.kt

@@ -0,0 +1,106 @@
+package io.github.wulkanowy.domain.attendance
+
+import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.db.entities.AttendanceSummary
+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.enums.AttendanceCalculatorSortingMode
+import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode.*
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SubjectRepository
+import io.github.wulkanowy.utils.allAbsences
+import io.github.wulkanowy.utils.allPresences
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+import kotlin.math.ceil
+import kotlin.math.floor
+
+class GetAttendanceCalculatorDataUseCase @Inject constructor(
+    private val subjectRepository: SubjectRepository,
+    private val attendanceSummaryRepository: AttendanceSummaryRepository,
+    private val preferencesRepository: PreferencesRepository,
+) {
+
+    operator fun invoke(
+        student: Student,
+        semester: Semester,
+        forceRefresh: Boolean,
+    ): Flow<Resource<List<AttendanceData>>> =
+        subjectRepository.getSubjects(student, semester, forceRefresh)
+            .mapResourceData { subjects -> subjects.sortedBy(Subject::name) }
+            .combineWithResourceData(preferencesRepository.targetAttendanceFlow, ::Pair)
+            .flatMapResourceData { (subjects, targetFreq) ->
+                combineResourceFlows(subjects.map { subject ->
+                    attendanceSummaryRepository.getAttendanceSummary(
+                        student = student,
+                        semester = semester,
+                        subjectId = subject.realId,
+                        forceRefresh = forceRefresh
+                    ).mapResourceData { summaries ->
+                        summaries.toAttendanceData(subject.name, targetFreq)
+                    }
+                })
+                    // Every individual combined flow causes separate network requests to update data.
+                    // When there is N child flows, they can cause up to N-1 items to be emitted. Since all
+                    // requests are usually completed in less than 5s, there is no need to emit multiple
+                    // intermediates that will be visible for barely any time.
+                    .debounceIntermediates()
+            }
+            .combineWithResourceData(preferencesRepository.attendanceCalculatorShowEmptySubjects) { attendanceDataList, showEmptySubjects ->
+                attendanceDataList.filter { it.total != 0 || showEmptySubjects }
+            }
+            .combineWithResourceData(preferencesRepository.attendanceCalculatorSortingModeFlow, List<AttendanceData>::sortedBy)
+}
+
+private fun List<AttendanceSummary>.toAttendanceData(subjectName: String, targetFreq: Int): AttendanceData {
+    val presences = sumOf { it.allPresences }
+    val absences = sumOf { it.allAbsences }
+    return AttendanceData(
+        subjectName = subjectName,
+        lessonBalance = calcLessonBalance(
+            targetFreq.toDouble() / 100, presences, absences
+        ),
+        presences = presences,
+        absences = absences,
+    )
+}
+
+private fun calcLessonBalance(targetFreq: Double, presences: Int, absences: Int): Int {
+    val total = presences + absences
+    // The `+ 1` is to avoid false positives in close cases. Eg.:
+    // target frequency 99%, 1 presence. Without the `+ 1` this would be reported shown as
+    // a positive balance of +1, however that is not actually true as skipping one class
+    // would make it so that the balance would actually be negative (-98). The `+ 1`
+    // fixes this and makes sure that in situations like these, it's not reporting incorrect
+    // balances
+    return when {
+        presences / (total + 1f) >= targetFreq -> calcMissingAbsences(
+            targetFreq, absences, presences
+        )
+        presences / (total + 0f) < targetFreq -> -calcMissingPresences(
+            targetFreq, absences, presences
+        )
+        else -> 0
+    }
+}
+
+private fun calcMissingPresences(targetFreq: Double, absences: Int, presences: Int) =
+    calcMinRequiredPresencesFor(targetFreq, absences) - presences
+
+private fun calcMinRequiredPresencesFor(targetFreq: Double, absences: Int) =
+    ceil((targetFreq / (1 - targetFreq)) * absences).toInt()
+
+private fun calcMissingAbsences(targetFreq: Double, absences: Int, presences: Int) =
+    calcMinRequiredAbsencesFor(targetFreq, presences) - absences
+
+private fun calcMinRequiredAbsencesFor(targetFreq: Double, presences: Int) =
+    floor((presences * (1 - targetFreq)) / targetFreq).toInt()
+
+private fun List<AttendanceData>.sortedBy(mode: AttendanceCalculatorSortingMode) = when (mode) {
+    ALPHABETIC -> sortedBy(AttendanceData::subjectName)
+    ATTENDANCE -> sortedByDescending(AttendanceData::presencePercentage)
+    LESSON_BALANCE -> sortedBy(AttendanceData::lessonBalance)
+}

app/src/main/java/io/github/wulkanowy/domain/messages/GetMailboxByStudentUseCase.kt

@@ -59,7 +59,7 @@ class GetMailboxByStudentUseCase @Inject constructor(
     private fun String.getUnauthorizedVersion(): String {
         return normalizeStudentName().split(" ")
             .joinToString(" ") {
-                it.first() + "*".repeat(it.length - 1)
+                it.firstOrNull()?.toString().orEmpty() + "*".repeat((it.length - 1).coerceAtLeast(0))
             }
     }
 }

app/src/main/java/io/github/wulkanowy/services/sync/notifications/NewGradeNotification.kt

@@ -19,16 +19,18 @@ class NewGradeNotification @Inject constructor(
 ) {
 
     suspend fun notifyDetails(items: List<Grade>, student: Student) {
-        val notificationDataList = items.map {
-            NotificationData(
-                title = context.getPlural(R.plurals.grade_new_items, 1),
-                content = buildString {
-                    append("${it.subject}: ${it.entry}")
-                    if (it.comment.isNotBlank()) append(" (${it.comment})")
-                },
-                destination = Destination.Grade,
-            )
-        }
+        val notificationDataList = items
+            .filter { !it.isNotified }
+            .map {
+                NotificationData(
+                    title = context.getPlural(R.plurals.grade_new_items, 1),
+                    content = buildString {
+                        append("${it.subject}: ${it.entry}")
+                        if (it.comment.isNotBlank()) append(" (${it.comment})")
+                    },
+                    destination = Destination.Grade,
+                )
+            }
 
         val groupNotificationData = GroupNotificationData(
             notificationDataList = notificationDataList,

app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutAdapter.kt

@@ -3,14 +3,19 @@ package io.github.wulkanowy.ui.modules.about
 import android.graphics.drawable.Drawable
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.core.content.res.ResourcesCompat
 import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.databinding.ItemAboutBinding
 import io.github.wulkanowy.databinding.ScrollableHeaderAboutBinding
 import javax.inject.Inject
 
-class AboutAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+class AboutAdapter @Inject constructor(
+    private val preferencesRepository: PreferencesRepository
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
+    private var developerModeClicks = 0
     private enum class ViewType(val id: Int) {
         ITEM_HEADER(1),
         ITEM_ELEMENT(2)
@@ -46,6 +51,19 @@ class AboutAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.Vie
 
     private fun bindHeaderViewHolder(binding: ScrollableHeaderAboutBinding) {
         with(binding.aboutScrollableHeaderIcon) {
+            setOnClickListener {
+                if (++developerModeClicks == 5 && !preferencesRepository.developerMode) {
+                    preferencesRepository.developerMode = true
+                    developerModeClicks = 0
+
+                    Toast.makeText(
+                        context,
+                        "done!",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+            }
+
             setImageDrawable(ResourcesCompat.getDrawableForDensity(
                 context.resources, context.applicationInfo.icon, 640, null)
             )

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceFragment.kt

@@ -14,6 +14,7 @@ import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.databinding.DialogExcuseBinding
 import io.github.wulkanowy.databinding.FragmentAttendanceBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.attendance.calculator.AttendanceCalculatorFragment
 import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
@@ -134,6 +135,7 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         return if (item.itemId == R.id.attendanceMenuSummary) presenter.onSummarySwitchSelected()
+        else if (item.itemId == R.id.attendanceMenuCalculator) presenter.onCalculatorSwitchSelected()
         else false
     }
 
@@ -253,6 +255,10 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
         (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
     }
 
+    override fun openCalculatorView() {
+        (activity as? MainActivity)?.pushView(AttendanceCalculatorFragment.newInstance())
+    }
+
     override fun startActionMode() {
         actionMode = (activity as MainActivity?)?.startSupportActionMode(actionModeCallback)
     }

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt

@@ -1,16 +1,36 @@
 package io.github.wulkanowy.ui.modules.attendance
 
 import android.annotation.SuppressLint
-import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.Resource
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.mapResourceData
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.onResourceIntermediate
+import io.github.wulkanowy.data.onResourceLoading
+import io.github.wulkanowy.data.onResourceNotLoading
+import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.AttendanceRepository
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.resourceFlow
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.capitalise
+import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
+import io.github.wulkanowy.utils.isExcusableOrNotExcused
+import io.github.wulkanowy.utils.isHolidays
+import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.previousOrSameSchoolDay
+import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.toFormattedString
 import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -195,6 +215,11 @@ class AttendancePresenter @Inject constructor(
         return true
     }
 
+    fun onCalculatorSwitchSelected(): Boolean {
+        view?.openCalculatorView()
+        return true
+    }
+
     private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading attendance data started")
 

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendanceView.kt

@@ -56,6 +56,8 @@ interface AttendanceView : BaseView {
 
     fun openSummaryView()
 
+    fun openCalculatorView()
+
     fun startSendMessageIntent(date: LocalDate, numbers: String, reason: String)
 
     fun startActionMode()

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorAdapter.kt

@@ -0,0 +1,67 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.databinding.ItemAttendanceCalculatorHeaderBinding
+import javax.inject.Inject
+import kotlin.math.abs
+import kotlin.math.roundToInt
+
+class AttendanceCalculatorAdapter @Inject constructor() :
+    RecyclerView.Adapter<AttendanceCalculatorAdapter.ViewHolder>() {
+
+    var items = emptyList<AttendanceData>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ViewHolder(
+        ItemAttendanceCalculatorHeaderBinding.inflate(
+            LayoutInflater.from(parent.context), parent, false
+        )
+    )
+
+    override fun onBindViewHolder(parent: ViewHolder, position: Int) {
+        val context = parent.binding.root.context
+        val item = items[position]
+
+        with(parent.binding) {
+            attendanceCalculatorPercentage.text = "${item.presencePercentage.roundToInt()}"
+
+            attendanceCalculatorSummaryBalance.text = when {
+                item.lessonBalance > 0 -> {
+                    context.getString(
+                        R.string.attendance_calculator_summary_balance_positive,
+                        item.lessonBalance
+                    )
+                }
+
+                item.lessonBalance < 0 -> {
+                    context.getString(
+                        R.string.attendance_calculator_summary_balance_negative,
+                        abs(item.lessonBalance)
+                    )
+                }
+
+                else -> context.getString(R.string.attendance_calculator_summary_balance_neutral)
+            }
+            attendanceCalculatorWarning.isVisible = item.lessonBalance < 0
+            attendanceCalculatorTitle.text = item.subjectName
+            attendanceCalculatorSummaryValues.text = if (item.total == 0) {
+                context.getString(R.string.attendance_calculator_summary_values_empty)
+            } else {
+                context.getString(
+                    R.string.attendance_calculator_summary_values,
+                    item.presences,
+                    item.total
+                )
+            }
+        }
+    }
+
+    class ViewHolder(val binding: ItemAttendanceCalculatorHeaderBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorFragment.kt

@@ -0,0 +1,133 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.databinding.FragmentAttendanceCalculatorBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.settings.appearance.AppearanceFragment
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class AttendanceCalculatorFragment :
+    BaseFragment<FragmentAttendanceCalculatorBinding>(R.layout.fragment_attendance_calculator),
+    AttendanceCalculatorView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: AttendanceCalculatorPresenter
+
+    @Inject
+    lateinit var attendanceCalculatorAdapter: AttendanceCalculatorAdapter
+
+    override val titleStringId get() = R.string.attendance_title
+
+    companion object {
+        fun newInstance() = AttendanceCalculatorFragment()
+    }
+
+    override val isViewEmpty get() = attendanceCalculatorAdapter.items.isEmpty()
+
+    @Suppress("DEPRECATION")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAttendanceCalculatorBinding.bind(view)
+        messageContainer = binding.attendanceCalculatorRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.action_menu_attendance_calculator, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.attendance_calculator_menu_settings) presenter.onSettingsSelected()
+        else false
+    }
+
+    override fun openSettingsView() {
+        (activity as? MainActivity)?.pushView(AppearanceFragment.withFocusedPreference(getString(R.string.pref_key_attendance_target)))
+    }
+
+    override fun initView() {
+        with(binding.attendanceCalculatorRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = attendanceCalculatorAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            attendanceCalculatorSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+            attendanceCalculatorSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
+            attendanceCalculatorSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(
+                    R.attr.colorSwipeRefresh
+                )
+            )
+            attendanceCalculatorErrorRetry.setOnClickListener { presenter.onRetry() }
+            attendanceCalculatorErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<AttendanceData>) {
+        with(attendanceCalculatorAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearView() {
+        with(attendanceCalculatorAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.attendanceCalculatorEmpty.isVisible = show
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.attendanceCalculatorError.isVisible = show
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.attendanceCalculatorErrorMessage.text = message
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.attendanceCalculatorProgress.isVisible = show
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.attendanceCalculatorSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.attendanceCalculatorRecycler.isVisible = show
+    }
+
+    override fun showRefresh(show: Boolean) {
+        binding.attendanceCalculatorSwipe.isRefreshing = show
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorPresenter.kt

@@ -0,0 +1,94 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.onResourceIntermediate
+import io.github.wulkanowy.data.onResourceNotLoading
+import io.github.wulkanowy.data.repositories.SemesterRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.domain.attendance.GetAttendanceCalculatorDataUseCase
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import timber.log.Timber
+import javax.inject.Inject
+
+class AttendanceCalculatorPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val getAttendanceCalculatorData: GetAttendanceCalculatorDataUseCase,
+) : BasePresenter<AttendanceCalculatorView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: AttendanceCalculatorView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Attendance calculator view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        Timber.i("Force refreshing the attendance calculator")
+        loadData(forceRefresh = true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData()
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flatResourceFlow {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            getAttendanceCalculatorData(student, semester, forceRefresh)
+        }
+            .logResourceStatus("load attendance calculator")
+            .onResourceData {
+                view?.run {
+                    showProgress(false)
+                    showErrorView(false)
+                    showContent(it.isNotEmpty())
+                    showEmpty(it.isEmpty())
+                    updateData(it)
+                }
+            }
+            .onResourceIntermediate { view?.showRefresh(true) }
+            .onResourceNotLoading {
+                view?.run {
+                    enableSwipe(true)
+                    showRefresh(false)
+                    showProgress(false)
+                }
+            }
+            .onResourceError(errorHandler::dispatch)
+            .launch()
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    fun onSettingsSelected(): Boolean {
+        view?.openSettingsView()
+        return true
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/calculator/AttendanceCalculatorView.kt

@@ -0,0 +1,31 @@
+package io.github.wulkanowy.ui.modules.attendance.calculator
+
+import io.github.wulkanowy.data.pojos.AttendanceData
+import io.github.wulkanowy.ui.base.BaseView
+
+interface AttendanceCalculatorView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun showRefresh(show: Boolean)
+
+    fun showContent(show: Boolean)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun updateData(data: List<AttendanceData>)
+
+    fun clearView()
+
+    fun openSettingsView()
+}

app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryAdapter.kt

@@ -5,6 +5,7 @@ import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.databinding.ItemAttendanceSummaryBinding
 import io.github.wulkanowy.databinding.ScrollableHeaderAttendanceSummaryBinding
 import io.github.wulkanowy.utils.calculatePercentage
@@ -13,9 +14,13 @@ import java.time.Month
 import java.util.Locale
 import javax.inject.Inject
 
-class AttendanceSummaryAdapter @Inject constructor() :
+class AttendanceSummaryAdapter @Inject constructor(
+    private val preferencesRepository: PreferencesRepository
+) :
     RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
+    private val attendancePercentage = preferencesRepository.attendancePercentage
+
     private enum class ViewType(val id: Int) {
         HEADER(1),
         ITEM(2)
@@ -48,7 +53,10 @@ class AttendanceSummaryAdapter @Inject constructor() :
     }
 
     private fun bindHeaderViewHolder(binding: ScrollableHeaderAttendanceSummaryBinding) {
-        binding.attendanceSummaryScrollableHeaderPercentage.text = formatPercentage(items.calculatePercentage())
+        binding.attendanceSummaryScrollableHeaderPercentage.text = formatPercentage(
+            attendancePercentage ?:
+            items.calculatePercentage()
+        )
     }
 
     private fun bindItemViewHolder(binding: ItemAttendanceSummaryBinding, position: Int) {
@@ -60,8 +68,8 @@ class AttendanceSummaryAdapter @Inject constructor() :
                 else -> item.month.getFormattedName()
             }
             attendanceSummaryPercentage.text = when (position) {
-                -1 -> formatPercentage(items.calculatePercentage())
-                else -> formatPercentage(item.calculatePercentage())
+                -1 -> formatPercentage(attendancePercentage ?: item.calculatePercentage())
+                else -> formatPercentage(attendancePercentage ?: item.calculatePercentage())
             }
 
             attendanceSummaryPresent.text = item.presence.toString()

app/src/main/java/io/github/wulkanowy/ui/modules/auth/AuthPresenter.kt

@@ -27,8 +27,12 @@ class AuthPresenter @Inject constructor(
 
     private fun loadName() {
         presenterScope.launch {
-            runCatching { studentRepository.getCurrentStudent(false) }
-                .onSuccess { view?.showDescriptionWithName(it.studentName) }
+            runCatching {
+                studentRepository.getCurrentStudent(false)
+                    .studentName
+                    .replace(" ", "\u00A0")
+            }
+                .onSuccess { view?.showDescriptionWithName(it) }
                 .onFailure { errorHandler.dispatch(it) }
         }
     }

app/src/main/java/io/github/wulkanowy/ui/modules/captcha/CaptchaDialog.kt

@@ -59,7 +59,7 @@ class CaptchaDialog : BaseDialogFragment<DialogCaptchaBinding>() {
             webView = this
             with(settings) {
                 javaScriptEnabled = true
-                userAgentString = wulkanowySdkFactory.create().userAgent
+                userAgentString = wulkanowySdkFactory.createBase().userAgent
             }
 
             webViewClient = object : WebViewClient() {

app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardItem.kt

@@ -147,6 +147,17 @@ sealed class DashboardItem(val type: Type) {
         EXAMS,
         CONFERENCES,
     }
+
+    enum class HiddenAttendanceTile {
+        UNEXCUSED_ABSENCE,
+        EXEMPTION,
+        EXCUSED_LATENESS,
+        UNEXCUSED_LATENESS,
+        PRESENT,
+        DELETED,
+        EXCUSED_ABSENCE,
+        UNKNOWN,
+    }
 }
 
 fun DashboardItem.Tile.toDashboardItemType() = when (this) {

app/src/main/java/io/github/wulkanowy/ui/modules/dashboard/DashboardPresenter.kt

@@ -284,6 +284,8 @@ class DashboardPresenter @Inject constructor(
 
     private fun loadHorizontalGroup(student: Student, forceRefresh: Boolean) {
         flow {
+            val attendancePercentage = preferencesRepository.attendancePercentage
+
             val selectedTiles = selectedDashboardTiles
             val flowSuccess = flowOf(Resource.Success(null))
 
@@ -336,7 +338,7 @@ class DashboardPresenter @Inject constructor(
                             } else null
                         },
                         attendancePercentage = DashboardItem.HorizontalGroup.Cell(
-                            data = attendanceResource.dataOrNull?.calculatePercentage(),
+                            data = attendancePercentage ?: attendanceResource.dataOrNull?.calculatePercentage(),
                             error = attendanceResource.errorOrNull != null,
                             isLoading = attendanceResource is Resource.Loading,
                         ),

app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradeAverageMode.kt

@@ -6,6 +6,6 @@ enum class GradeAverageMode(val value: String) {
     BOTH_SEMESTERS("both_semesters");
 
     companion object {
-        fun getByValue(value: String) = values().firstOrNull { it.value == value } ?: ONE_SEMESTER
+        fun getByValue(value: String) = entries.firstOrNull { it.value == value } ?: ONE_SEMESTER
     }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginActivity.kt

@@ -118,5 +118,6 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
     override fun onResume() {
         super.onResume()
         inAppUpdateHelper.onResume()
+        presenter.updateSdkMappings()
     }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt

@@ -1,12 +1,15 @@
 package io.github.wulkanowy.ui.modules.login
 
 import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
+import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
 class LoginPresenter @Inject constructor(
+    private val wulkanowyRepository: WulkanowyRepository,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
 ) : BasePresenter<LoginView>(errorHandler, studentRepository) {
@@ -16,4 +19,11 @@ class LoginPresenter @Inject constructor(
         view.initView()
         Timber.i("Login view was initialized")
     }
+
+    fun updateSdkMappings() {
+        presenterScope.launch {
+            runCatching { wulkanowyRepository.fetchMapping() }
+                .onFailure { Timber.e(it) }
+        }
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectFragment.kt

@@ -6,10 +6,12 @@ import androidx.core.os.bundleOf
 import androidx.core.view.isVisible
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.databinding.FragmentLoginStudentSelectBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.dashboard.viewholders.AdminMessageViewHolder
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.login.LoginData
 import io.github.wulkanowy.ui.modules.login.support.LoginSupportDialog
@@ -111,6 +113,19 @@ class LoginStudentSelectFragment :
         LoginSupportDialog.newInstance(supportInfo).show(childFragmentManager, "support_dialog")
     }
 
+    override fun showAdminMessage(adminMessage: AdminMessage?) {
+        AdminMessageViewHolder(
+            binding = binding.loginStudentSelectAdminMessage,
+            onAdminMessageDismissClickListener = presenter::onAdminMessageDismissed,
+            onAdminMessageClickListener = presenter::onAdminMessageSelected,
+        ).bind(adminMessage)
+        binding.loginStudentSelectAdminMessage.root.isVisible = adminMessage != null
+    }
+
+    override fun openInternetBrowser(url: String) {
+        requireContext().openInternetBrowser(url)
+    }
+
     override fun onDestroyView() {
         presenter.onDetachView()
         super.onDestroyView()

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt

@@ -2,16 +2,23 @@ package io.github.wulkanowy.ui.modules.login.studentselect
 
 import io.github.wulkanowy.data.Resource
 import io.github.wulkanowy.data.dataOrNull
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.enums.MessageType
+import io.github.wulkanowy.data.flatResourceFlow
 import io.github.wulkanowy.data.logResourceStatus
 import io.github.wulkanowy.data.mappers.mapToStudentWithSemesters
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.pojos.RegisterStudent
 import io.github.wulkanowy.data.pojos.RegisterSymbol
 import io.github.wulkanowy.data.pojos.RegisterUnit
 import io.github.wulkanowy.data.pojos.RegisterUser
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SchoolsRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.resourceFlow
+import io.github.wulkanowy.domain.adminmessage.GetAppropriateAdminMessageUseCase
 import io.github.wulkanowy.sdk.scrapper.exception.StudentGraduateException
 import io.github.wulkanowy.sdk.scrapper.login.InvalidSymbolException
 import io.github.wulkanowy.services.sync.SyncManager
@@ -33,6 +40,8 @@ class LoginStudentSelectPresenter @Inject constructor(
     private val syncManager: SyncManager,
     private val analytics: AnalyticsHelper,
     private val appInfo: AppInfo,
+    private val preferencesRepository: PreferencesRepository,
+    private val getAppropriateAdminMessageUseCase: GetAppropriateAdminMessageUseCase
 ) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
@@ -65,6 +74,7 @@ class LoginStudentSelectPresenter @Inject constructor(
         this.loginData = loginData
         this.registerUser = registerUser
         loadData()
+        loadAdminMessage()
     }
 
     private fun loadData() {
@@ -88,7 +98,20 @@ class LoginStudentSelectPresenter @Inject constructor(
                     refreshItems()
                 }
             }
-        }.launch()
+        }.launch("load_data")
+    }
+
+    private fun loadAdminMessage() {
+        flatResourceFlow {
+            getAppropriateAdminMessageUseCase(
+                scrapperBaseUrl = registerUser.scrapperBaseUrl.orEmpty(),
+                type = MessageType.LOGIN_STUDENT_SELECT_MESSAGE,
+            )
+        }
+            .logResourceStatus("load login admin message")
+            .onResourceData { view?.showAdminMessage(it) }
+            .onResourceError { view?.showAdminMessage(null) }
+            .launch("load_admin_message")
     }
 
     private fun getStudentsWithCurrentlyActiveSemesters(): List<LoginStudentSelectItem.Student> {
@@ -341,4 +364,14 @@ class LoginStudentSelectPresenter @Inject constructor(
             )
         }
     }
+
+    fun onAdminMessageSelected(url: String?) {
+        url?.let { view?.openInternetBrowser(it) }
+    }
+
+    fun onAdminMessageDismissed(adminMessage: AdminMessage) {
+        preferencesRepository.dismissedAdminMessageIds += adminMessage.id
+
+        view?.showAdminMessage(null)
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectView.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.ui.base.BaseView
 import io.github.wulkanowy.ui.modules.login.LoginData
 import io.github.wulkanowy.ui.modules.login.support.LoginSupportInfo
@@ -25,4 +26,8 @@ interface LoginStudentSelectView : BaseView {
     fun openDiscordInvite()
 
     fun openEmail(supportInfo: LoginSupportInfo)
+
+    fun showAdminMessage(adminMessage: AdminMessage?)
+
+    fun openInternetBrowser(url: String)
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolFragment.kt

@@ -9,13 +9,16 @@ import android.view.inputmethod.EditorInfo.IME_NULL
 import android.widget.ArrayAdapter
 import androidx.core.os.bundleOf
 import androidx.core.text.parseAsHtml
+import androidx.core.view.isVisible
 import androidx.core.widget.doOnTextChanged
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.databinding.FragmentLoginSymbolBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.dashboard.viewholders.AdminMessageViewHolder
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.login.LoginData
 import io.github.wulkanowy.ui.modules.login.support.LoginSupportDialog
@@ -179,4 +182,17 @@ class LoginSymbolFragment :
     override fun openSupportDialog(supportInfo: LoginSupportInfo) {
         LoginSupportDialog.newInstance(supportInfo).show(childFragmentManager, "support_dialog")
     }
+
+    override fun showAdminMessage(adminMessage: AdminMessage?) {
+        AdminMessageViewHolder(
+            binding = binding.loginSymbolAdminMessage,
+            onAdminMessageDismissClickListener = presenter::onAdminMessageDismissed,
+            onAdminMessageClickListener = presenter::onAdminMessageSelected,
+        ).bind(adminMessage)
+        binding.loginSymbolAdminMessage.root.isVisible = adminMessage != null
+    }
+
+    override fun openInternetBrowser(url: String) {
+        requireContext().openInternetBrowser(url)
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt

@@ -2,10 +2,18 @@ package io.github.wulkanowy.ui.modules.login.symbol
 
 import io.github.wulkanowy.data.Resource
 import io.github.wulkanowy.data.dataOrNull
+import io.github.wulkanowy.data.db.entities.AdminMessage
+import io.github.wulkanowy.data.enums.MessageType
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.onResourceNotLoading
 import io.github.wulkanowy.data.pojos.RegisterUser
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.resourceFlow
+import io.github.wulkanowy.domain.adminmessage.GetAppropriateAdminMessageUseCase
 import io.github.wulkanowy.sdk.scrapper.getNormalizedSymbol
 import io.github.wulkanowy.sdk.scrapper.login.InvalidSymbolException
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -21,7 +29,9 @@ import javax.inject.Inject
 class LoginSymbolPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: AnalyticsHelper
+    private val analytics: AnalyticsHelper,
+    private val preferencesRepository: PreferencesRepository,
+    private val getAppropriateAdminMessageUseCase: GetAppropriateAdminMessageUseCase,
 ) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
@@ -43,6 +53,21 @@ class LoginSymbolPresenter @Inject constructor(
             clearAndFocusSymbol()
             showSoftKeyboard()
         }
+
+        loadAdminMessage()
+    }
+
+    private fun loadAdminMessage() {
+        flatResourceFlow {
+            getAppropriateAdminMessageUseCase(
+                scrapperBaseUrl = loginData.baseUrl,
+                type = MessageType.LOGIN_SYMBOL_MESSAGE,
+            )
+        }
+            .logResourceStatus("load login admin message")
+            .onResourceData { view?.showAdminMessage(it) }
+            .onResourceError { view?.showAdminMessage(null) }
+            .launch("load_admin_message")
     }
 
     fun onSymbolTextChanged() {
@@ -166,4 +191,14 @@ class LoginSymbolPresenter @Inject constructor(
             )
         )
     }
+
+    fun onAdminMessageSelected(url: String?) {
+        url?.let { view?.openInternetBrowser(it) }
+    }
+
+    fun onAdminMessageDismissed(adminMessage: AdminMessage) {
+        preferencesRepository.dismissedAdminMessageIds += adminMessage.id
+
+        view?.showAdminMessage(null)
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolView.kt

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.login.symbol
 
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.ui.base.BaseView
 import io.github.wulkanowy.ui.modules.login.LoginData
@@ -44,4 +45,8 @@ interface LoginSymbolView : BaseView {
     fun openFaqPage()
 
     fun openSupportDialog(supportInfo: LoginSupportInfo)
+
+    fun showAdminMessage(adminMessage: AdminMessage?)
+
+    fun openInternetBrowser(url: String)
 }

app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/history/LuckyNumberHistoryAdapter.kt

@@ -33,4 +33,4 @@ class LuckyNumberHistoryAdapter @Inject constructor() :
     }
 
     class ItemViewHolder(val binding: ItemLuckyNumberHistoryBinding) : RecyclerView.ViewHolder(binding.root)
-}
+}

app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt

@@ -145,7 +145,11 @@ class LuckyNumberWidgetProvider : AppWidgetProvider() {
             }
 
             if (currentStudent != null) {
-                luckyNumberRepository.getLuckyNumber(currentStudent, forceRefresh = false)
+                luckyNumberRepository.getLuckyNumber(
+                    student = currentStudent,
+                    forceRefresh = false,
+                    isFromAppWidget = true
+                )
                     .toFirstResult()
                     .dataOrThrow
             } else null

app/src/main/java/io/github/wulkanowy/ui/modules/main/MainActivity.kt

@@ -138,6 +138,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     override fun onResume() {
         super.onResume()
         inAppUpdateHelper.onResume()
+        presenter.updateSdkMappings()
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {

app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt

@@ -6,6 +6,7 @@ import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.data.repositories.WulkanowyRepository
 import io.github.wulkanowy.data.resourceFlow
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -29,6 +30,7 @@ class MainPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val preferencesRepository: PreferencesRepository,
+    private val wulkanowyRepository: WulkanowyRepository,
     private val syncManager: SyncManager,
     private val analytics: AnalyticsHelper,
     private val json: Json,
@@ -199,4 +201,11 @@ class MainPresenter @Inject constructor(
                 .onFailure { errorHandler.dispatch(it) }
         }
     }
+
+    fun updateSdkMappings() {
+        presenterScope.launch {
+            runCatching { wulkanowyRepository.fetchMapping() }
+                .onFailure { Timber.e(it) }
+        }
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreAdapter.kt

@@ -12,6 +12,8 @@ class MoreAdapter @Inject constructor() : RecyclerView.Adapter<MoreAdapter.ItemV
 
     var onClickListener: (moreItem: MoreItem) -> Unit = {}
 
+    var onLongClickListener: (moreItem: MoreItem) -> Unit = {}
+
     override fun getItemCount() = items.size
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
@@ -27,6 +29,10 @@ class MoreAdapter @Inject constructor() : RecyclerView.Adapter<MoreAdapter.ItemV
             moreItemImage.setImageResource(item.icon)
 
             root.setOnClickListener { onClickListener(item) }
+            root.setOnLongClickListener {
+                onLongClickListener(item)
+                true
+            }
         }
     }
 

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreFragment.kt

@@ -5,6 +5,7 @@ import android.view.View
 import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.databinding.FragmentMoreBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.Destination
@@ -23,6 +24,9 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
     @Inject
     lateinit var moreAdapter: MoreAdapter
 
+    @Inject
+    lateinit var preferencesRepository: PreferencesRepository
+
     companion object {
         fun newInstance() = MoreFragment()
     }
@@ -73,4 +77,9 @@ class MoreFragment : BaseFragment<FragmentMoreBinding>(R.layout.fragment_more),
         presenter.onDetachView()
         super.onDestroyView()
     }
+
+    override fun restartApp() {
+        startActivity(MainActivity.getStartIntent(requireContext()))
+        requireActivity().finishAffinity()
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/more/MoreView.kt

@@ -12,4 +12,6 @@ interface MoreView : BaseView {
     fun popView(depth: Int)
 
     fun openView(destination: Destination)
+
+    fun restartApp()
 }

app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt

@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.modules.note
 import io.github.wulkanowy.data.*
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.repositories.NoteRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -17,6 +18,7 @@ class NotePresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val noteRepository: NoteRepository,
     private val semesterRepository: SemesterRepository,
+    private val preferencesRepository: PreferencesRepository,
     private val analytics: AnalyticsHelper
 ) : BasePresenter<NoteView>(errorHandler, studentRepository) {
 
@@ -48,6 +50,19 @@ class NotePresenter @Inject constructor(
     }
 
     private fun loadData(forceRefresh: Boolean = false) {
+        if (!preferencesRepository.showNotes) {
+            view?.run {
+                enableSwipe(false)
+                showEmpty(false)
+                showContent(false)
+                showErrorView(false)
+                showProgress(false)
+                showEmpty(true)
+            }
+
+            return
+        }
+
         flatResourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)

app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsFragment.kt

@@ -1,13 +1,22 @@
 package io.github.wulkanowy.ui.modules.settings
 
+import android.content.SharedPreferences
 import android.os.Bundle
+import android.view.View
+import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.PreferenceScreen
+import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
-import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.modules.main.MainView
 import timber.log.Timber
+import javax.inject.Inject
 
-class SettingsFragment : PreferenceFragmentCompat(), MainView.TitledView, SettingsView {
+@AndroidEntryPoint
+class SettingsFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, SettingsView {
 
     companion object {
 
@@ -16,11 +25,26 @@ class SettingsFragment : PreferenceFragmentCompat(), MainView.TitledView, Settin
 
     override val titleStringId get() = R.string.settings_title
 
+    @Inject
+    lateinit var preferencesRepository: PreferencesRepository
+
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.scheme_preferences, rootKey)
+
+        val prefScreen: PreferenceScreen? = findPreference("settings_preferences")
+        val prefDeveloper: Preference? = findPreference("mod_settings")
+
+        if (!preferencesRepository.developerMode && prefScreen != null && prefDeveloper != null) {
+            prefScreen.removePreference(prefDeveloper)
+        }
+
         Timber.i("Settings view was initialized")
     }
 
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences, rootKey)
+    }
+
     override fun showError(text: String, error: Throwable) {}
 
     override fun showMessage(text: String) {}

app/src/main/java/io/github/wulkanowy/ui/modules/settings/appearance/AppearanceFragment.kt

@@ -3,7 +3,9 @@ package io.github.wulkanowy.ui.modules.settings.appearance
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.View
+import androidx.core.os.bundleOf
 import androidx.preference.PreferenceFragmentCompat
+import androidx.preference.SeekBarPreference
 import com.yariksoffice.lingver.Lingver
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
@@ -29,13 +31,31 @@ class AppearanceFragment : PreferenceFragmentCompat(),
 
     override val titleStringId get() = R.string.pref_settings_appearance_title
 
+    companion object {
+        fun withFocusedPreference(key: String) = AppearanceFragment().apply {
+            arguments = bundleOf(FOCUSED_KEY to key)
+        }
+
+        private const val FOCUSED_KEY = "focusedKey"
+    }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         presenter.onAttachView(this)
+        arguments?.getString(FOCUSED_KEY)?.let { scrollToPreference(it) }
     }
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
         setPreferencesFromResource(R.xml.scheme_preferences_appearance, rootKey)
+        val attendanceTargetPref =
+            findPreference<SeekBarPreference>(requireContext().getString(R.string.pref_key_attendance_target))!!
+        attendanceTargetPref.setOnPreferenceChangeListener { _, newValueObj ->
+            val newValue = (((newValueObj as Int).toDouble() + 2.5) / 5).toInt() * 5
+            attendanceTargetPref.value =
+                newValue.coerceIn(attendanceTargetPref.min, attendanceTargetPref.max)
+
+            false
+        }
     }
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {

app/src/main/java/io/github/wulkanowy/ui/modules/settings/mod_settings/ModSettingsFragment.kt

@@ -0,0 +1,147 @@
+package io.github.wulkanowy.ui.modules.settings.mod_settings
+
+import android.content.SharedPreferences
+import android.os.Bundle
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import androidx.preference.EditTextPreference
+import androidx.preference.MultiSelectListPreference
+import androidx.preference.PreferenceFragmentCompat
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.AppInfo
+import timber.log.Timber
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ModSettingsFragment : PreferenceFragmentCompat(),
+    SharedPreferences.OnSharedPreferenceChangeListener,
+    MainView.TitledView, ModSettingsView {
+
+    @Inject
+    lateinit var presenter: ModSettingsPresenter
+
+    @Inject
+    lateinit var appInfo: AppInfo
+
+    @Inject
+    lateinit var preferencesRepository: PreferencesRepository
+
+    override val titleStringId get() = R.string.pref_mod_settings_title
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        presenter.onAttachView(this)
+    }
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        setPreferencesFromResource(R.xml.scheme_preferences_mod_settings, rootKey)
+
+        val attendancePercentagePreference: EditTextPreference? = findPreference("attendance_percentage")
+        attendancePercentagePreference?.setOnBindEditTextListener { editText ->
+            editText.inputType = android.text.InputType.TYPE_CLASS_NUMBER or android.text.InputType.TYPE_NUMBER_FLAG_DECIMAL
+            editText.filters = arrayOf(
+                android.text.InputFilter { source, _, _, dest, _, _ ->
+                    if (source == "." && dest.isEmpty()) {
+                        return@InputFilter "0."
+                    }
+
+                    val input = dest.toString() + source.toString()
+                    if (input == "100.00") {
+                        return@InputFilter null
+                    }
+
+                    val inputVal = input.toFloatOrNull()
+                    if (inputVal != null && inputVal >= 0 && inputVal <= 100) {
+                        null
+                    } else {
+                        ""
+                    }
+                }
+            )
+        }
+    }
+
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
+        presenter.onSharedPreferenceChanged(key)
+    }
+
+    override fun showError(text: String, error: Throwable) {
+        (activity as? BaseActivity<*, *>)?.showError(text, error)
+    }
+
+    override fun showMessage(text: String) {
+        (activity as? BaseActivity<*, *>)?.showMessage(text)
+    }
+
+    override fun showExpiredCredentialsDialog() {
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun onCaptchaVerificationRequired(url: String?) {
+        (activity as? BaseActivity<*, *>)?.onCaptchaVerificationRequired(url)
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
+    }
+
+    override fun showChangePasswordSnackbar(redirectUrl: String) {
+        (activity as? BaseActivity<*, *>)?.showChangePasswordSnackbar(redirectUrl)
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
+    override fun showAuthDialog() {
+        (activity as? BaseActivity<*, *>)?.showAuthDialog()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        preferenceScreen.sharedPreferences?.registerOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        preferenceScreen.sharedPreferences?.unregisterOnSharedPreferenceChangeListener(this)
+    }
+
+    override fun showAttendanceSettings(items: List<DashboardItem.HiddenAttendanceTile>) {
+        val entries = requireContext().resources.getStringArray(R.array.mod_settings_attendance_entries)
+        val values = requireContext().resources.getStringArray(R.array.mod_settings_attendance_values)
+        val selectedItemsState = values.map { value -> items.any { it.name == value } }
+
+        MaterialAlertDialogBuilder(requireContext())
+            .setTitle(R.string.attendance_title)
+            .setMultiChoiceItems(entries, selectedItemsState.toBooleanArray()) { _, _, _ -> }
+            .setPositiveButton(android.R.string.ok) { dialog, _ ->
+                val selectedState = (dialog as AlertDialog).listView.checkedItemPositions
+                val selectedValues = values
+                    .filterIndexed { index, _ -> selectedState[index] }
+                    .map { DashboardItem.HiddenAttendanceTile.valueOf(it) }
+
+                Timber.i("Selected attendance to hide: $selectedValues")
+                presenter.onAttendanceSettingsSelected(selectedValues)
+            }
+            .setNegativeButton(android.R.string.cancel) { _, _ -> }
+            .show()
+    }
+
+    override fun restartApp() {
+        startActivity(MainActivity.getStartIntent(requireContext()))
+        requireActivity().finishAffinity()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/settings/mod_settings/ModSettingsPresenter.kt

@@ -0,0 +1,40 @@
+package io.github.wulkanowy.ui.modules.settings.mod_settings
+
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
+import io.github.wulkanowy.utils.AnalyticsHelper
+import timber.log.Timber
+import javax.inject.Inject
+
+class ModSettingsPresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val analytics: AnalyticsHelper,
+    private val preferencesRepository: PreferencesRepository
+) : BasePresenter<ModSettingsView>(errorHandler, studentRepository) {
+
+    override fun onAttachView(view: ModSettingsView) {
+        super.onAttachView(view)
+
+        Timber.i("Mod settings view was initialized")
+    }
+
+    fun onSharedPreferenceChanged(key: String?) {
+        key ?: return
+        Timber.i("Change mod settings $key")
+        analytics.logEvent("setting_changed", "name" to key)
+    }
+
+    fun onHiddenGradesSelected(selectedItems: List<String>) {
+        preferencesRepository.hiddenGrades = selectedItems
+        view?.restartApp()
+    }
+
+    fun onAttendanceSettingsSelected(selectedValues: List<DashboardItem.HiddenAttendanceTile>) {
+        preferencesRepository.hiddenAttendanceItems = selectedValues
+        view?.restartApp()
+    }
+}

app/src/main/java/io/github/wulkanowy/ui/modules/settings/mod_settings/ModSettingsView.kt

@@ -0,0 +1,9 @@
+package io.github.wulkanowy.ui.modules.settings.mod_settings
+
+import io.github.wulkanowy.ui.base.BaseView
+import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
+
+interface ModSettingsView : BaseView {
+    fun restartApp()
+    fun showAttendanceSettings(items: List<DashboardItem.HiddenAttendanceTile>)
+}

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableAdapter.kt

@@ -7,20 +7,21 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.databinding.ItemTimetableBinding
 import io.github.wulkanowy.databinding.ItemTimetableEmptyBinding
+import io.github.wulkanowy.databinding.ItemTimetableMainAdditionalBinding
 import io.github.wulkanowy.databinding.ItemTimetableSmallBinding
+import io.github.wulkanowy.utils.SyncListAdapter
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.toFormattedString
 import javax.inject.Inject
 
 class TimetableAdapter @Inject constructor() :
-    ListAdapter<TimetableItem, RecyclerView.ViewHolder>(differ) {
+    SyncListAdapter<TimetableItem, RecyclerView.ViewHolder>(Differ) {
 
     override fun getItemViewType(position: Int): Int = getItem(position).type.ordinal
 
@@ -39,6 +40,10 @@ class TimetableAdapter @Inject constructor() :
             TimetableItemType.EMPTY -> EmptyViewHolder(
                 ItemTimetableEmptyBinding.inflate(inflater, parent, false)
             )
+
+            TimetableItemType.ADDITIONAL -> AdditionalViewHolder(
+                ItemTimetableMainAdditionalBinding.inflate(inflater, parent, false)
+            )
         }
     }
 
@@ -61,16 +66,30 @@ class TimetableAdapter @Inject constructor() :
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Small,
             )
-
             is NormalViewHolder -> bindNormalView(
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Normal,
             )
-
             is EmptyViewHolder -> bindEmptyView(
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Empty,
             )
+
+            is AdditionalViewHolder -> bindAdditionalView(
+                binding = holder.binding,
+                item = getItem(position) as TimetableItem.Additional,
+            )
+        }
+    }
+
+    private fun bindAdditionalView(
+        binding: ItemTimetableMainAdditionalBinding,
+        item: TimetableItem.Additional
+    ) {
+        with(binding) {
+            timetableItemSubject.text = item.additional.subject
+            timetableItemTimeStart.text = item.additional.start.toFormattedString("HH:mm")
+            timetableItemTimeFinish.text = item.additional.end.toFormattedString("HH:mm")
         }
     }
 
@@ -307,31 +326,32 @@ class TimetableAdapter @Inject constructor() :
     private class EmptyViewHolder(val binding: ItemTimetableEmptyBinding) :
         RecyclerView.ViewHolder(binding.root)
 
-    companion object {
-        private val differ = object : DiffUtil.ItemCallback<TimetableItem>() {
-            override fun areItemsTheSame(oldItem: TimetableItem, newItem: TimetableItem): Boolean =
-                when {
-                    oldItem is TimetableItem.Small && newItem is TimetableItem.Small -> {
-                        oldItem.lesson.start == newItem.lesson.start
-                    }
+    private class AdditionalViewHolder(val binding: ItemTimetableMainAdditionalBinding) :
+        RecyclerView.ViewHolder(binding.root)
 
-                    oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal -> {
-                        oldItem.lesson.start == newItem.lesson.start
-                    }
-
-                    else -> oldItem == newItem
+    private object Differ : DiffUtil.ItemCallback<TimetableItem>() {
+        override fun areItemsTheSame(oldItem: TimetableItem, newItem: TimetableItem): Boolean =
+            when {
+                oldItem is TimetableItem.Small && newItem is TimetableItem.Small -> {
+                    oldItem.lesson.start == newItem.lesson.start
                 }
 
-            override fun areContentsTheSame(oldItem: TimetableItem, newItem: TimetableItem) =
-                oldItem == newItem
+                oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal -> {
+                    oldItem.lesson.start == newItem.lesson.start
+                }
 
-            override fun getChangePayload(oldItem: TimetableItem, newItem: TimetableItem): Any? {
-                return if (oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal) {
-                    if (oldItem.lesson == newItem.lesson && oldItem.showGroupsInPlan == newItem.showGroupsInPlan && oldItem.timeLeft != newItem.timeLeft) {
-                        "time_left"
-                    } else super.getChangePayload(oldItem, newItem)
-                } else super.getChangePayload(oldItem, newItem)
+                else -> oldItem == newItem
             }
+
+        override fun areContentsTheSame(oldItem: TimetableItem, newItem: TimetableItem) =
+            oldItem == newItem
+
+        override fun getChangePayload(oldItem: TimetableItem, newItem: TimetableItem): Any? {
+            return if (oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal) {
+                if (oldItem.lesson == newItem.lesson && oldItem.showGroupsInPlan == newItem.showGroupsInPlan && oldItem.timeLeft != newItem.timeLeft) {
+                    "time_left"
+                } else super.getChangePayload(oldItem, newItem)
+            } else super.getChangePayload(oldItem, newItem)
         }
     }
 }

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableFragment.kt

@@ -21,7 +21,11 @@ import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.timetable.additional.AdditionalLessonsFragment
 import io.github.wulkanowy.ui.modules.timetable.completed.CompletedLessonsFragment
 import io.github.wulkanowy.ui.widgets.DividerItemDecoration
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.firstSchoolDayInSchoolYear
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lastSchoolDayInSchoolYear
+import io.github.wulkanowy.utils.openMaterialDatePicker
 import java.time.LocalDate
 import javax.inject.Inject
 
@@ -104,8 +108,11 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         }
     }
 
-    override fun updateData(data: List<TimetableItem>) {
-        timetableAdapter.submitList(data)
+    override fun updateData(data: List<TimetableItem>, isDayChanged: Boolean) {
+        when {
+            isDayChanged -> timetableAdapter.recreate(data)
+            else -> timetableAdapter.submitList(data)
+        }
     }
 
     override fun clearData() {

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableItem.kt

@@ -1,6 +1,7 @@
 package io.github.wulkanowy.ui.modules.timetable
 
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
 import java.time.Duration
 
 sealed class TimetableItem(val type: TimetableItemType) {
@@ -23,6 +24,10 @@ sealed class TimetableItem(val type: TimetableItemType) {
         val numFrom: Int,
         val numTo: Int
     ) : TimetableItem(TimetableItemType.EMPTY)
+
+    data class Additional(
+        val additional: TimetableAdditional,
+    ) : TimetableItem(TimetableItemType.ADDITIONAL)
 }
 
 data class TimeLeft(
@@ -34,5 +39,6 @@ data class TimeLeft(
 enum class TimetableItemType {
     SMALL,
     NORMAL,
-    EMPTY
+    EMPTY,
+    ADDITIONAL,
 }

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt

@@ -4,6 +4,9 @@ import android.os.Handler
 import android.os.Looper
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode.BELOW
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode.NONE
 import io.github.wulkanowy.data.enums.TimetableGapsMode.BETWEEN_AND_BEFORE_LESSONS
 import io.github.wulkanowy.data.enums.TimetableGapsMode.NO_GAPS
 import io.github.wulkanowy.data.enums.TimetableMode
@@ -14,6 +17,7 @@ import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.onResourceIntermediate
 import io.github.wulkanowy.data.onResourceNotLoading
 import io.github.wulkanowy.data.onResourceSuccess
+import io.github.wulkanowy.data.pojos.TimetableFull
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
@@ -81,7 +85,7 @@ class TimetablePresenter @Inject constructor(
         } else currentDate?.previousSchoolDay
 
         reloadView(date ?: return)
-        loadData()
+        loadData(isDayChanged = true)
     }
 
     fun onNextDay() {
@@ -90,7 +94,7 @@ class TimetablePresenter @Inject constructor(
         } else currentDate?.nextSchoolDay
 
         reloadView(date ?: return)
-        loadData()
+        loadData(isDayChanged = true)
     }
 
     fun onPickDate() {
@@ -104,7 +108,7 @@ class TimetablePresenter @Inject constructor(
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the timetable")
-        loadData(true)
+        loadData(forceRefresh = true)
     }
 
     fun onRetry() {
@@ -112,7 +116,7 @@ class TimetablePresenter @Inject constructor(
             showErrorView(false)
             showProgress(true)
         }
-        loadData(true)
+        loadData(forceRefresh = true)
     }
 
     fun onDetailsClick() {
@@ -145,7 +149,7 @@ class TimetablePresenter @Inject constructor(
         return true
     }
 
-    private fun loadData(forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false, isDayChanged: Boolean = false) {
         flatResourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
@@ -169,9 +173,9 @@ class TimetablePresenter @Inject constructor(
                     enableSwipe(true)
                     showProgress(false)
                     showErrorView(false)
-                    showContent(it.lessons.isNotEmpty())
-                    showEmpty(it.lessons.isEmpty())
-                    updateData(it.lessons)
+                    updateData(it, isDayChanged)
+                    showContent(it.lessons.isNotEmpty() || it.additional.isNotEmpty())
+                    showEmpty(it.lessons.isEmpty() && it.additional.isEmpty())
                     setDayHeaderMessage(it.headers.find { header -> header.date == currentDate }?.content)
                     reloadNavigation()
                 }
@@ -216,67 +220,97 @@ class TimetablePresenter @Inject constructor(
         }
     }
 
-    private fun updateData(lessons: List<Timetable>) {
+    private fun updateData(lessons: TimetableFull, isDayChanged: Boolean) {
         tickTimer?.cancel()
 
-        if (currentDate != now()) {
-            view?.updateData(createItems(lessons))
-        } else {
-            tickTimer = timer(period = 2_000) {
+        view?.updateData(createItems(lessons), isDayChanged)
+        if (currentDate == now()) {
+            tickTimer = timer(period = 2_000, initialDelay = 2_000) {
                 Handler(Looper.getMainLooper()).post {
-                    view?.updateData(createItems(lessons))
+                    view?.updateData(createItems(lessons), isDayChanged)
                 }
             }
         }
     }
 
-    private fun createItems(items: List<Timetable>): List<TimetableItem> {
-        val filteredItems = items
-            .filter {
-                if (prefRepository.showWholeClassPlan == TimetableMode.ONLY_CURRENT_GROUP) {
-                    it.isStudentPlan
-                } else true
-            }
-            .sortedWith(compareBy({ item -> item.start }, { item -> !item.isStudentPlan }))
+    private sealed class Item(
+        val isStudentPlan: Boolean,
+        val start: Instant,
+        val number: Int?,
+    ) {
+        class Lesson(val lesson: Timetable) :
+            Item(lesson.isStudentPlan, lesson.start, lesson.number)
+
+        class Additional(val additional: TimetableAdditional) : Item(true, additional.start, null)
+    }
+
+    private fun createItems(fullTimetable: TimetableFull): List<TimetableItem> {
+        val showAdditionalLessonsInPlan = prefRepository.showAdditionalLessonsInPlan
+        val allItems =
+            fullTimetable.lessons.map(Item::Lesson) + fullTimetable.additional.map(Item::Additional)
+                .takeIf { showAdditionalLessonsInPlan != NONE }.orEmpty()
+
+        val filteredItems = allItems.filter {
+            if (prefRepository.showWholeClassPlan == TimetableMode.ONLY_CURRENT_GROUP) {
+                it.isStudentPlan
+            } else true
+        }.sortedWith(
+            (compareBy<Item> { it is Item.Additional }
+                .takeIf { showAdditionalLessonsInPlan == BELOW } ?: EmptyComparator())
+                .thenBy { it.start }
+                .thenBy { !it.isStudentPlan }
+        )
 
         var prevNum = when (prefRepository.showTimetableGaps) {
             BETWEEN_AND_BEFORE_LESSONS -> 0
             else -> null
         }
+        var prevIsAdditional = false
         return buildList {
             filteredItems.forEachIndexed { i, it ->
-                if (prefRepository.showTimetableGaps != NO_GAPS && prevNum != null && it.number > prevNum!! + 1) {
-                    val emptyLesson = TimetableItem.Empty(
-                        numFrom = prevNum!! + 1,
-                        numTo = it.number - 1
-                    )
-                    add(emptyLesson)
+                if (prefRepository.showTimetableGaps != NO_GAPS) {
+                    if (prevNum != null && it.number != null && it.number > prevNum!! + 1) {
+                        if (!prevIsAdditional) {
+                            // Additional lessons do count as a lesson so don't add empty lessons
+                            // when there is an additional lesson present
+                            val emptyLesson = TimetableItem.Empty(
+                                numFrom = prevNum!! + 1, numTo = it.number - 1
+                            )
+                            add(emptyLesson)
+                        }
+                    }
+                    prevNum = it.number
+                    prevIsAdditional = it is Item.Additional
                 }
 
-                if (it.isStudentPlan) {
-                    val normalLesson = TimetableItem.Normal(
-                        lesson = it,
-                        showGroupsInPlan = prefRepository.showGroupsInPlan,
-                        timeLeft = filteredItems.getTimeLeftForLesson(it, i),
-                        onClick = ::onTimetableItemSelected,
-                        isLessonNumberVisible = !isEduOne
-                    )
-                    add(normalLesson)
-                } else {
-                    val smallLesson = TimetableItem.Small(
-                        lesson = it,
-                        onClick = ::onTimetableItemSelected,
-                        isLessonNumberVisible = !isEduOne
-                    )
-                    add(smallLesson)
+                if (it is Item.Lesson) {
+                    if (it.isStudentPlan) {
+                        val normalLesson = TimetableItem.Normal(
+                            lesson = it.lesson,
+                            showGroupsInPlan = prefRepository.showGroupsInPlan,
+                            timeLeft = filteredItems.getTimeLeftForLesson(it.lesson, i),
+                            onClick = ::onTimetableItemSelected,
+                            isLessonNumberVisible = !isEduOne
+                        )
+                        add(normalLesson)
+                    } else {
+                        val smallLesson = TimetableItem.Small(
+                            lesson = it.lesson,
+                            onClick = ::onTimetableItemSelected,
+                            isLessonNumberVisible = !isEduOne
+                        )
+                        add(smallLesson)
+                    }
+                } else if (it is Item.Additional) {
+                    // If the user disabled showing additional lessons, they would've been filtered
+                    // out already, so there's no need to check it again.
+                    add(TimetableItem.Additional(it.additional))
                 }
-
-                prevNum = it.number
             }
         }
     }
 
-    private fun List<Timetable>.getTimeLeftForLesson(lesson: Timetable, index: Int): TimeLeft {
+    private fun List<Item>.getTimeLeftForLesson(lesson: Timetable, index: Int): TimeLeft {
         val isShowTimeUntil = lesson.isShowTimeUntil(getPreviousLesson(index))
         return TimeLeft(
             until = lesson.until.plusMinutes(1).takeIf { isShowTimeUntil },
@@ -285,11 +319,20 @@ class TimetablePresenter @Inject constructor(
         )
     }
 
-    private fun List<Timetable>.getPreviousLesson(position: Int): Instant? {
-        return filter { it.isStudentPlan }
-            .getOrNull(position - 1 - filterIndexed { i, item -> i < position && !item.isStudentPlan }.size)
+    private fun List<Item>.getPreviousLesson(position: Int): Instant? {
+        val lessonAdditionalOffset = filterIndexed { i, item ->
+            i < position && item is Item.Additional
+        }.size
+        val lessonStudentPlanOffset = filterIndexed { i, item ->
+            i < position && !item.isStudentPlan
+        }.size
+        val lessonIndex = position - 1 - lessonAdditionalOffset - lessonStudentPlanOffset
+
+        return filterIsInstance<Item.Lesson>()
+            .filter { it.isStudentPlan }
+            .getOrNull(lessonIndex)
             ?.let {
-                if (!it.canceled && it.isStudentPlan) it.end
+                if (!it.lesson.canceled && it.isStudentPlan) it.lesson.end
                 else null
             }
     }
@@ -342,3 +385,7 @@ class TimetablePresenter @Inject constructor(
         super.onDetachView()
     }
 }
+
+private class EmptyComparator<T> : Comparator<T> {
+    override fun compare(o1: T, o2: T) = 0
+}

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetableView.kt

@@ -12,7 +12,7 @@ interface TimetableView : BaseView {
 
     fun initView()
 
-    fun updateData(data: List<TimetableItem>)
+    fun updateData(data: List<TimetableItem>, isDayChanged: Boolean)
 
     fun updateNavigationDay(date: String)
 

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsFragment.kt

@@ -13,7 +13,11 @@ import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.ui.modules.timetable.additional.add.AdditionalLessonAddDialog
 import io.github.wulkanowy.ui.widgets.DividerItemDecoration
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.firstSchoolDayInSchoolYear
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lastSchoolDayInSchoolYear
+import io.github.wulkanowy.utils.openMaterialDatePicker
 import java.time.LocalDate
 import javax.inject.Inject
 
@@ -132,8 +136,12 @@ class AdditionalLessonsFragment :
         binding.additionalLessonsNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
     }
 
-    override fun showAddAdditionalLessonDialog() {
-        (activity as? MainActivity)?.showDialogFragment(AdditionalLessonAddDialog.newInstance())
+    override fun showAddAdditionalLessonDialog(currentDate: LocalDate) {
+        (activity as? MainActivity)?.showDialogFragment(
+            AdditionalLessonAddDialog.newInstance(
+                currentDate
+            )
+        )
     }
 
     override fun showDatePickerDialog(selectedDate: LocalDate) {

app/src/main/java/io/github/wulkanowy/ui/modules/timetable/additional/AdditionalLessonsPresenter.kt

@@ -1,14 +1,27 @@
 package io.github.wulkanowy.ui.modules.timetable.additional
 
 import android.annotation.SuppressLint
-import io.github.wulkanowy.data.*
 import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.onResourceNotLoading
+import io.github.wulkanowy.data.onResourceSuccess
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.repositories.TimetableRepository
+import io.github.wulkanowy.domain.timetable.IsStudentHasLessonsOnWeekendUseCase
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.capitalise
+import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
+import io.github.wulkanowy.utils.isHolidays
+import io.github.wulkanowy.utils.nextOrSameSchoolDay
+import io.github.wulkanowy.utils.nextSchoolDay
+import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.toFormattedString
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.onEach
@@ -22,11 +35,14 @@ class AdditionalLessonsPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     private val semesterRepository: SemesterRepository,
     private val timetableRepository: TimetableRepository,
+    private val isStudentHasLessonsOnWeekendUseCase: IsStudentHasLessonsOnWeekendUseCase,
     private val analytics: AnalyticsHelper
 ) : BasePresenter<AdditionalLessonsView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay
 
+    private var isWeekendHasLessons: Boolean = false
+
     lateinit var currentDate: LocalDate
         private set
 
@@ -43,12 +59,18 @@ class AdditionalLessonsPresenter @Inject constructor(
     }
 
     fun onPreviousDay() {
-        loadData(currentDate.previousSchoolDay)
+        val date = if (isWeekendHasLessons) {
+            currentDate.minusDays(1)
+        } else currentDate.previousSchoolDay
+        loadData(date)
         reloadView()
     }
 
     fun onNextDay() {
-        loadData(currentDate.nextSchoolDay)
+        val date = if (isWeekendHasLessons) {
+            currentDate.plusDays(1)
+        } else currentDate.nextSchoolDay
+        loadData(date)
         reloadView()
     }
 
@@ -57,7 +79,7 @@ class AdditionalLessonsPresenter @Inject constructor(
     }
 
     fun onAdditionalLessonAddButtonClicked() {
-        view?.showAddAdditionalLessonDialog()
+        view?.showAddAdditionalLessonDialog(currentDate)
     }
 
     fun onDateSet(year: Int, month: Int, day: Int) {
@@ -131,6 +153,8 @@ class AdditionalLessonsPresenter @Inject constructor(
         flatResourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
+
+            isWeekendHasLessons = isStudentHasLessonsOnWeekendUseCase(semester, currentDate)
             timetableRepository.getTimetable(
                 student = student,
                 semester = semester,