Merge branch 'release/2.3.2'

This reverts commit 7f4539fd27.

.idea/migrations.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>

app/build.gradle

@@ -20,15 +20,15 @@ apply from: 'hooks.gradle'
 
 android {
     namespace 'io.github.wulkanowy'
-    compileSdk 33
+    compileSdk 34
 
     defaultConfig {
         applicationId "io.github.wulkanowy"
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
-        targetSdkVersion 33
+        targetSdkVersion 34
-        versionCode 133
+        versionCode 142
-        versionName "2.2.1"
+        versionName "2.3.2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
@@ -113,6 +113,7 @@ android {
 
     buildFeatures {
         viewBinding true
+        buildConfig true
     }
 
     bundle {
@@ -161,7 +162,7 @@ play {
     defaultToAppBundles = false
     track = 'production'
     releaseStatus = ReleaseStatus.IN_PROGRESS
-    userFraction = 0.01d
+    userFraction = 0.99d
     updatePriority = 3
     enabled.set(false)
 }
@@ -183,41 +184,41 @@ huaweiPublish {
 }
 
 ext {
-    work_manager = "2.8.1"
+    work_manager = "2.9.0"
-    android_hilt = "1.0.0"
+    android_hilt = "1.1.0"
-    room = "2.5.2"
+    room = "2.6.1"
-    chucker = "3.5.2"
+    chucker = "4.0.0"
-    mockk = "1.13.8"
+    mockk = "1.13.9"
     coroutines = "1.7.3"
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.2.1'
+    implementation 'io.github.wulkanowy:sdk:2.3.4'
 
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.3'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.2"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines"
 
-    implementation "androidx.core:core-ktx:1.10.1"
+    implementation 'androidx.core:core-ktx:1.12.0'
     implementation 'androidx.core:core-splashscreen:1.0.1'
-    implementation "androidx.activity:activity-ktx:1.7.2"
+    implementation "androidx.activity:activity-ktx:1.8.2"
     implementation "androidx.appcompat:appcompat:1.6.1"
-    implementation "androidx.fragment:fragment-ktx:1.6.1"
+    implementation "androidx.fragment:fragment-ktx:1.6.2"
-    implementation "androidx.annotation:annotation:1.7.0"
+    implementation "androidx.annotation:annotation:1.7.1"
 
     implementation "androidx.preference:preference-ktx:1.2.1"
-    implementation "androidx.recyclerview:recyclerview:1.3.1"
+    implementation "androidx.recyclerview:recyclerview:1.3.2"
     implementation "androidx.viewpager2:viewpager2:1.1.0-beta02"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "androidx.constraintlayout:constraintlayout:2.1.4"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.2.0"
-    implementation "com.google.android.material:material:1.9.0"
+    implementation "com.google.android.material:material:1.10.0"
     implementation "com.github.wulkanowy:material-chips-input:2.3.1"
     implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
     implementation 'com.github.lopspower:CircularImageView:4.3.0'
 
-    implementation "androidx.work:work-runtime-ktx:$work_manager"
+    implementation "androidx.work:work-runtime:$work_manager"
     playImplementation "androidx.work:work-gcm:$work_manager"
 
     implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.6.2"
@@ -236,34 +237,36 @@ dependencies {
 
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0"
-    implementation "com.squareup.okhttp3:logging-interceptor:4.11.0"
+    implementation "com.squareup.okhttp3:logging-interceptor:4.12.0"
 
     implementation "com.jakewharton.timber:timber:5.0.1"
-    implementation "at.favre.lib:slf4j-timber:1.0.1"
+    implementation 'com.github.Faierbel:slf4j-timber:2.0'
     implementation 'com.github.bastienpaulfr:Treessence:1.1.2'
     implementation "com.mikepenz:aboutlibraries-core:$about_libraries"
-    implementation "io.coil-kt:coil:2.4.0"
+    implementation 'io.coil-kt:coil:2.5.0'
     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:1.10.0'
+    implementation 'org.apache.commons:commons-text:1.11.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:32.3.1')
+    playImplementation platform('com.google.firebase:firebase-bom:32.7.0')
-    playImplementation 'com.google.firebase:firebase-analytics-ktx'
+    playImplementation 'com.google.firebase:firebase-analytics'
-    playImplementation 'com.google.firebase:firebase-messaging:'
+    playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
-    playImplementation 'com.google.firebase:firebase-config-ktx'
+    playImplementation 'com.google.firebase:firebase-config'
-    playImplementation 'com.google.android.play:core:1.10.3'
+
-    playImplementation 'com.google.android.play:core-ktx:1.8.1'
+    playImplementation 'com.google.android.gms:play-services-ads:22.6.0'
-    playImplementation 'com.google.android.gms:play-services-ads:22.4.0'
+    playImplementation "com.google.android.play:integrity:1.3.0"
-    playImplementation "com.google.android.play:integrity:1.2.0"
+    playImplementation 'com.google.android.play:app-update-ktx:2.1.0'
+    playImplementation 'com.google.android.play:review-ktx:2.0.1'
+    playImplementation "com.google.android.ump:user-messaging-platform:2.1.0"
 
     hmsImplementation 'com.huawei.hms:hianalytics:6.12.0.300'
-    hmsImplementation 'com.huawei.agconnect:agconnect-crash:1.9.1.301'
+    hmsImplementation 'com.huawei.agconnect:agconnect-crash:1.9.1.303'
 
-    releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
+    releaseImplementation "com.github.chuckerteam.chucker:library-no-op:$chucker"
 
-    debugImplementation "com.github.ChuckerTeam.Chucker:library:$chucker"
+    debugImplementation "com.github.chuckerteam.chucker:library:$chucker"
     debugImplementation 'com.github.amitshekhariitbhu.Android-Debug-Database:debug-db:1.0.6'
     debugImplementation 'com.github.haroldadmin:WhatTheStack:1.0.0-alpha04'
 
@@ -272,7 +275,7 @@ dependencies {
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines"
     testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
 
-    testImplementation 'org.robolectric:robolectric:4.10.3'
+    testImplementation 'org.robolectric:robolectric:4.11.1'
     testImplementation "androidx.test:runner:1.5.2"
     testImplementation "androidx.test.ext:junit:1.1.5"
     testImplementation "androidx.test:core:1.5.0"

app/jacoco.gradle

@@ -1,16 +1,16 @@
 apply plugin: "jacoco"
 
 jacoco {
-    toolVersion "0.8.7"
+    toolVersion "0.8.11"
     reportsDirectory.set(file("$buildDir/reports"))
 }
 
-tasks.withType(Test) {
+tasks.withType(Test).configureEach {
     jacoco.includeNoLocationClasses = true
     jacoco.excludes = ['jdk.internal.*']
 }
 
-task jacocoTestReport(type: JacocoReport) {
+tasks.register('jacocoTestReport', JacocoReport) {
 
     group = "Reporting"
     description = "Generate Jacoco coverage reports"
@@ -33,19 +33,19 @@ task jacocoTestReport(type: JacocoReport) {
                     '**/*_Factory.*']
 
     classDirectories.setFrom(fileTree(
-            dir: "$buildDir/intermediates/classes/debug",
+        dir: "$buildDir/intermediates/classes/debug",
-            excludes: excludes
+        excludes: excludes
     ) + fileTree(
-            dir: "$buildDir/tmp/kotlin-classes/fdroidDebug",
+        dir: "$buildDir/tmp/kotlin-classes/fdroidDebug",
-            excludes: excludes
+        excludes: excludes
     ))
 
     sourceDirectories.setFrom(files([
-            "src/main/java",
+        "src/main/java",
-            "src/fdroid/java"
+        "src/fdroid/java"
     ]))
     executionData.setFrom(fileTree(
-            dir: project.projectDir,
+        dir: project.projectDir,
-            includes: ["**/*.exec", "**/*.ec"]
+        includes: ["**/*.exec", "**/*.ec"]
     ))
 }

app/src/fdroid/java/io/github/wulkanowy/utils/AdsHelper.kt

@@ -5,6 +5,7 @@ import android.view.View
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
+import kotlinx.coroutines.flow.MutableStateFlow
 import javax.inject.Inject
 
 @Suppress("unused")
@@ -13,9 +14,11 @@ class AdsHelper @Inject constructor(
     private val preferencesRepository: PreferencesRepository
 ) {
 
+    val isMobileAdsSdkInitialized = MutableStateFlow(false)
+    val canShowAd = false
+
     fun initialize() {
         preferencesRepository.isAdsEnabled = false
-        preferencesRepository.isAgreeToProcessData = false
         preferencesRepository.selectedDashboardTiles -= DashboardItem.Tile.ADS
     }
 

app/src/fdroid/java/io/github/wulkanowy/utils/InAppUpdateHelper.kt

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.utils
+
+import android.view.View
+import javax.inject.Inject
+
+class InAppUpdateHelper @Inject constructor() {
+
+    lateinit var messageContainer: View
+
+    fun checkAndInstallUpdates() {}
+
+    fun onResume() {}
+}

app/src/fdroid/java/io/github/wulkanowy/utils/UpdateHelper.kt

@@ -1,17 +0,0 @@
-package io.github.wulkanowy.utils
-
-import android.app.Activity
-import android.view.View
-import javax.inject.Inject
-
-@Suppress("UNUSED_PARAMETER")
-class UpdateHelper @Inject constructor() {
-
-    lateinit var messageContainer: View
-
-    fun checkAndInstallUpdates(activity: Activity) {}
-
-    fun onActivityResult(requestCode: Int, resultCode: Int) {}
-
-    fun onResume(activity: Activity) {}
-}

app/src/hms/java/io/github/wulkanowy/utils/AdsHelper.kt

@@ -5,6 +5,7 @@ import android.view.View
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
+import kotlinx.coroutines.flow.MutableStateFlow
 import javax.inject.Inject
 
 @Suppress("unused")
@@ -12,10 +13,11 @@ class AdsHelper @Inject constructor(
     @ApplicationContext private val context: Context,
     private val preferencesRepository: PreferencesRepository
 ) {
+    val isMobileAdsSdkInitialized = MutableStateFlow(false)
+    val canShowAd = false
 
     fun initialize() {
         preferencesRepository.isAdsEnabled = false
-        preferencesRepository.isAgreeToProcessData = false
         preferencesRepository.selectedDashboardTiles -= DashboardItem.Tile.ADS
     }
 

app/src/hms/java/io/github/wulkanowy/utils/InAppUpdateHelper.kt

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.utils
+
+import android.view.View
+import javax.inject.Inject
+
+class InAppUpdateHelper @Inject constructor() {
+
+    lateinit var messageContainer: View
+
+    fun checkAndInstallUpdates() {}
+
+    fun onResume() {}
+}

app/src/hms/java/io/github/wulkanowy/utils/UpdateHelper.kt

@@ -1,17 +0,0 @@
-package io.github.wulkanowy.utils
-
-import android.app.Activity
-import android.view.View
-import javax.inject.Inject
-
-@Suppress("UNUSED_PARAMETER")
-class UpdateHelper @Inject constructor() {
-
-    lateinit var messageContainer: View
-
-    fun checkAndInstallUpdates(activity: Activity) {}
-
-    fun onActivityResult(requestCode: Int, resultCode: Int) {}
-
-    fun onResume(activity: Activity) {}
-}

app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt

@@ -1,7 +1,9 @@
 package io.github.wulkanowy
 
 import android.app.Application
-import android.util.Log.*
+import android.util.Log.DEBUG
+import android.util.Log.INFO
+import android.util.Log.VERBOSE
 import androidx.hilt.work.HiltWorkerFactory
 import androidx.work.Configuration
 import com.yariksoffice.lingver.Lingver
@@ -9,16 +11,19 @@ import dagger.hilt.android.HiltAndroidApp
 import fr.bipi.treessence.file.FileLoggerTree
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.ui.base.ThemeManager
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.ActivityLifecycleLogger
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.CrashLogExceptionTree
+import io.github.wulkanowy.utils.CrashLogTree
+import io.github.wulkanowy.utils.DebugLogTree
+import io.github.wulkanowy.utils.RemoteConfigHelper
 import timber.log.Timber
 import javax.inject.Inject
 
 @HiltAndroidApp
 class WulkanowyApp : Application(), Configuration.Provider {
 
-    @Inject
-    lateinit var workerFactory: HiltWorkerFactory
-
     @Inject
     lateinit var themeManager: ThemeManager
 
@@ -32,16 +37,21 @@ class WulkanowyApp : Application(), Configuration.Provider {
     lateinit var analyticsHelper: AnalyticsHelper
 
     @Inject
-    lateinit var adsHelper: AdsHelper
+    lateinit var remoteConfigHelper: RemoteConfigHelper
 
     @Inject
-    lateinit var remoteConfigHelper: RemoteConfigHelper
+    lateinit var workerFactory: HiltWorkerFactory
+
+    override val workManagerConfiguration: Configuration
+        get() = Configuration.Builder()
+            .setWorkerFactory(workerFactory)
+            .setMinimumLoggingLevel(if (appInfo.isDebug) VERBOSE else INFO)
+            .build()
 
     override fun onCreate() {
         super.onCreate()
         initializeAppLanguage()
         themeManager.applyDefaultTheme()
-        adsHelper.initialize()
         remoteConfigHelper.initialize()
         initLogging()
     }
@@ -74,9 +84,4 @@ class WulkanowyApp : Application(), Configuration.Provider {
             analyticsHelper.logEvent("language", "startup" to preferencesRepository.appLanguage)
         }
     }
-
-    override fun getWorkManagerConfiguration() = Configuration.Builder()
-        .setWorkerFactory(workerFactory)
-        .setMinimumLoggingLevel(if (appInfo.isDebug) VERBOSE else INFO)
-        .build()
 }

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

@@ -1,11 +1,16 @@
 package io.github.wulkanowy.data.db.dao
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.Transaction
+import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
-import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import javax.inject.Singleton
 
 @Singleton
@@ -47,6 +52,9 @@ abstract class StudentDao {
     @Query("UPDATE Students SET is_current = 0")
     abstract suspend fun resetCurrent()
 
+    @Query("DELETE FROM Students WHERE email = :email AND user_name = :userName")
+    abstract suspend fun deleteByEmailAndUserName(email: String, userName: String)
+
     @Transaction
     open suspend fun switchCurrent(id: Long) {
         resetCurrent()

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration10.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration10 : Migration(9, 10) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Grades_Summary RENAME TO GradesSummary")
+        db.execSQL("ALTER TABLE Grades_Summary RENAME TO GradesSummary")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration11.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration11 : Migration(10, 11) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Grades_temp (
                 id INTEGER PRIMARY KEY NOT NULL,
                 is_read INTEGER NOT NULL,
@@ -26,9 +27,10 @@ class Migration11 : Migration(10, 11) {
                 date INTEGER NOT NULL,
                 teacher TEXT NOT NULL
             )
-        """)
+        """
-        database.execSQL("INSERT INTO Grades_temp SELECT * FROM Grades")
+        )
-        database.execSQL("DROP TABLE Grades")
+        db.execSQL("INSERT INTO Grades_temp SELECT * FROM Grades")
-        database.execSQL("ALTER TABLE Grades_temp RENAME TO Grades")
+        db.execSQL("DROP TABLE Grades")
+        db.execSQL("ALTER TABLE Grades_temp RENAME TO Grades")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration12.kt

@@ -5,16 +5,17 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration12 : Migration(11, 12) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        createTempStudentsTable(database)
+        createTempStudentsTable(db)
-        replaceStudentTable(database)
+        replaceStudentTable(db)
-        updateStudentsWithClassId(database, getStudentsIds(database))
+        updateStudentsWithClassId(db, getStudentsIds(db))
-        removeStudentsWithNoClassId(database)
+        removeStudentsWithNoClassId(db)
-        ensureThereIsOnlyOneCurrentStudent(database)
+        ensureThereIsOnlyOneCurrentStudent(db)
     }
 
-    private fun createTempStudentsTable(database: SupportSQLiteDatabase) {
+    private fun createTempStudentsTable(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Students_tmp (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 endpoint TEXT NOT NULL,
@@ -30,15 +31,16 @@ class Migration12 : Migration(11, 12) {
                 registration_date INTEGER NOT NULL,
                 class_id INTEGER NOT NULL
             )
-        """)
+        """
-        database.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students_tmp (email, symbol, student_id, school_id, class_id)")
+        )
+        db.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students_tmp (email, symbol, student_id, school_id, class_id)")
     }
 
-    private fun replaceStudentTable(database: SupportSQLiteDatabase) {
+    private fun replaceStudentTable(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN class_id INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Students ADD COLUMN class_id INTEGER DEFAULT 0 NOT NULL")
-        database.execSQL("INSERT INTO Students_tmp SELECT * FROM Students")
+        db.execSQL("INSERT INTO Students_tmp SELECT * FROM Students")
-        database.execSQL("DROP TABLE Students")
+        db.execSQL("DROP TABLE Students")
-        database.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
+        db.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
     }
 
     private fun getStudentsIds(database: SupportSQLiteDatabase): List<Int> {
@@ -54,18 +56,18 @@ class Migration12 : Migration(11, 12) {
         return students
     }
 
-    private fun updateStudentsWithClassId(database: SupportSQLiteDatabase, students: List<Int>) {
+    private fun updateStudentsWithClassId(db: SupportSQLiteDatabase, students: List<Int>) {
         students.forEach {
-            database.execSQL("UPDATE Students SET class_id = IFNULL((SELECT class_id FROM Semesters WHERE student_id = $it), 0) WHERE student_id = $it")
+            db.execSQL("UPDATE Students SET class_id = IFNULL((SELECT class_id FROM Semesters WHERE student_id = $it), 0) WHERE student_id = $it")
         }
     }
 
-    private fun removeStudentsWithNoClassId(database: SupportSQLiteDatabase) {
+    private fun removeStudentsWithNoClassId(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM Students WHERE class_id = 0")
+        db.execSQL("DELETE FROM Students WHERE class_id = 0")
     }
 
-    private fun ensureThereIsOnlyOneCurrentStudent(database: SupportSQLiteDatabase) {
+    private fun ensureThereIsOnlyOneCurrentStudent(db: SupportSQLiteDatabase) {
-        database.execSQL("UPDATE Students SET is_current = 0")
+        db.execSQL("UPDATE Students SET is_current = 0")
-        database.execSQL("UPDATE Students SET is_current = 1 WHERE id = (SELECT MAX(id) FROM Students)")
+        db.execSQL("UPDATE Students SET is_current = 1 WHERE id = (SELECT MAX(id) FROM Students)")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration13.kt

@@ -5,27 +5,30 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration13 : Migration(12, 13) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        addClassNameToStudents(database, getStudentsIds(database))
+        addClassNameToStudents(db, getStudentsIds(db))
-        updateSemestersTable(database)
+        updateSemestersTable(db)
-        markAtLeastAndOnlyOneSemesterAtCurrent(database, getStudentsAndClassIds(database))
+        markAtLeastAndOnlyOneSemesterAtCurrent(db, getStudentsAndClassIds(db))
-        clearMessagesTable(database)
+        clearMessagesTable(db)
     }
 
-    private fun addClassNameToStudents(database: SupportSQLiteDatabase, students: List<Pair<Int, String>>) {
+    private fun addClassNameToStudents(
-        database.execSQL("ALTER TABLE Students ADD COLUMN class_name TEXT DEFAULT \"\" NOT NULL")
+        db: SupportSQLiteDatabase,
+        students: List<Pair<Int, String>>
+    ) {
+        db.execSQL("ALTER TABLE Students ADD COLUMN class_name TEXT DEFAULT \"\" NOT NULL")
 
         students.forEach { (id, name) ->
             val schoolName = name.substringAfter(" - ")
             val className = name.substringBefore(" - ", "").replace("Klasa ", "")
-            database.execSQL("UPDATE Students SET class_name = '$className' WHERE id = '$id'")
+            db.execSQL("UPDATE Students SET class_name = '$className' WHERE id = '$id'")
-            database.execSQL("UPDATE Students SET school_name = '$schoolName' WHERE id = '$id'")
+            db.execSQL("UPDATE Students SET school_name = '$schoolName' WHERE id = '$id'")
         }
     }
 
-    private fun getStudentsIds(database: SupportSQLiteDatabase): MutableList<Pair<Int, String>> {
+    private fun getStudentsIds(db: SupportSQLiteDatabase): MutableList<Pair<Int, String>> {
         val students = mutableListOf<Pair<Int, String>>()
-        database.query("SELECT id, school_name FROM Students").use {
+        db.query("SELECT id, school_name FROM Students").use {
             if (it.moveToFirst()) {
                 do {
                     students.add(it.getInt(0) to it.getString(1))
@@ -36,15 +39,15 @@ class Migration13 : Migration(12, 13) {
         return students
     }
 
-    private fun updateSemestersTable(database: SupportSQLiteDatabase) {
+    private fun updateSemestersTable(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Semesters ADD COLUMN school_year INTEGER DEFAULT 1970 NOT NULL")
+        db.execSQL("ALTER TABLE Semesters ADD COLUMN school_year INTEGER DEFAULT 1970 NOT NULL")
-        database.execSQL("ALTER TABLE Semesters ADD COLUMN start INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Semesters ADD COLUMN start INTEGER DEFAULT 0 NOT NULL")
-        database.execSQL("ALTER TABLE Semesters ADD COLUMN `end` INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Semesters ADD COLUMN `end` INTEGER DEFAULT 0 NOT NULL")
     }
 
-    private fun getStudentsAndClassIds(database: SupportSQLiteDatabase): List<Pair<Int, Int>> {
+    private fun getStudentsAndClassIds(db: SupportSQLiteDatabase): List<Pair<Int, Int>> {
         val students = mutableListOf<Pair<Int, Int>>()
-        database.query("SELECT student_id, class_id FROM Students").use {
+        db.query("SELECT student_id, class_id FROM Students").use {
             if (it.moveToFirst()) {
                 do {
                     students.add(it.getInt(0) to it.getInt(1))
@@ -55,14 +58,17 @@ class Migration13 : Migration(12, 13) {
         return students
     }
 
-    private fun markAtLeastAndOnlyOneSemesterAtCurrent(database: SupportSQLiteDatabase, students: List<Pair<Int, Int>>) {
+    private fun markAtLeastAndOnlyOneSemesterAtCurrent(
+        db: SupportSQLiteDatabase,
+        students: List<Pair<Int, Int>>
+    ) {
         students.forEach { (studentId, classId) ->
-            database.execSQL("UPDATE Semesters SET is_current = 0 WHERE student_id = '$studentId' AND class_id = '$classId'")
+            db.execSQL("UPDATE Semesters SET is_current = 0 WHERE student_id = '$studentId' AND class_id = '$classId'")
-            database.execSQL("UPDATE Semesters SET is_current = 1 WHERE id = (SELECT id FROM Semesters WHERE student_id = '$studentId' AND class_id = '$classId' ORDER BY semester_id DESC)")
+            db.execSQL("UPDATE Semesters SET is_current = 1 WHERE id = (SELECT id FROM Semesters WHERE student_id = '$studentId' AND class_id = '$classId' ORDER BY semester_id DESC)")
         }
     }
 
-    private fun clearMessagesTable(database: SupportSQLiteDatabase) {
+    private fun clearMessagesTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM Messages")
+        db.execSQL("DELETE FROM Messages")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration14.kt

@@ -5,9 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration14 : Migration(13, 14) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS GradesSummary")
+        db.execSQL("DROP TABLE IF EXISTS GradesSummary")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS GradesSummary (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 semester_id INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration15.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration15 : Migration(14, 15) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS MobileDevices (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -14,6 +15,7 @@ class Migration15 : Migration(14, 15) {
                 name TEXT NOT NULL,
                 date INTEGER NOT NULL
             )
-        """)
+        """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration16.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration16 : Migration(15, 16) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Teachers (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -15,6 +16,7 @@ class Migration16 : Migration(15, 16) {
                 name TEXT NOT NULL,
                 short_name TEXT NOT NULL
             )
-        """)
+        """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration17.kt

@@ -5,13 +5,14 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration17 : Migration(16, 17) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        createGradesPointsStatisticsTable(database)
+        createGradesPointsStatisticsTable(db)
-        truncateSemestersTable(database)
+        truncateSemestersTable(db)
     }
 
-    private fun createGradesPointsStatisticsTable(database: SupportSQLiteDatabase) {
+    private fun createGradesPointsStatisticsTable(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS GradesPointsStatistics(
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -20,10 +21,11 @@ class Migration17 : Migration(16, 17) {
                 others REAL NOT NULL,
                 student REAL NOT NULL
             )
-        """)
+        """
+        )
     }
 
-    private fun truncateSemestersTable(database: SupportSQLiteDatabase) {
+    private fun truncateSemestersTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM Semesters")
+        db.execSQL("DELETE FROM Semesters")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration18.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration18 : Migration(17, 18) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS School (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration19.kt

@@ -6,16 +6,17 @@ import io.github.wulkanowy.data.db.SharedPrefProvider
 
 class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migration(18, 19) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        migrateMessages(database)
+        migrateMessages(db)
-        migrateGrades(database)
+        migrateGrades(db)
-        migrateStudents(database)
+        migrateStudents(db)
         migrateSharedPreferences()
     }
 
-    private fun migrateMessages(database: SupportSQLiteDatabase) {
+    private fun migrateMessages(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE Messages")
+        db.execSQL("DROP TABLE Messages")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Messages (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 is_notified INTEGER NOT NULL,
@@ -34,12 +35,14 @@ class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migratio
                 read_by INTEGER NOT NULL,
                 removed INTEGER NOT NULL
             )
-        """)
+        """
+        )
     }
 
-    private fun migrateGrades(database: SupportSQLiteDatabase) {
+    private fun migrateGrades(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE Grades")
+        db.execSQL("DROP TABLE Grades")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Grades (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 is_read INTEGER NOT NULL,
@@ -59,11 +62,13 @@ class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migratio
                 date INTEGER NOT NULL,
                 teacher TEXT NOT NULL
             )
-        """)
+        """
+        )
     }
 
-    private fun migrateStudents(database: SupportSQLiteDatabase) {
+    private fun migrateStudents(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Students_tmp (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 scrapper_base_url TEXT NOT NULL,
@@ -86,26 +91,29 @@ class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migratio
                 is_current INTEGER NOT NULL,
                 registration_date INTEGER NOT NULL
             )
-        """)
+        """
+        )
 
-        database.execSQL("ALTER TABLE Students ADD COLUMN scrapperBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        db.execSQL("ALTER TABLE Students ADD COLUMN scrapperBaseUrl TEXT NOT NULL DEFAULT \"\";")
-        database.execSQL("ALTER TABLE Students ADD COLUMN apiBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        db.execSQL("ALTER TABLE Students ADD COLUMN apiBaseUrl TEXT NOT NULL DEFAULT \"\";")
-        database.execSQL("ALTER TABLE Students ADD COLUMN is_parent INT NOT NULL DEFAULT 0;")
+        db.execSQL("ALTER TABLE Students ADD COLUMN is_parent INT NOT NULL DEFAULT 0;")
-        database.execSQL("ALTER TABLE Students ADD COLUMN loginMode TEXT NOT NULL DEFAULT \"\";")
+        db.execSQL("ALTER TABLE Students ADD COLUMN loginMode TEXT NOT NULL DEFAULT \"\";")
-        database.execSQL("ALTER TABLE Students ADD COLUMN certificateKey TEXT NOT NULL DEFAULT \"\";")
+        db.execSQL("ALTER TABLE Students ADD COLUMN certificateKey TEXT NOT NULL DEFAULT \"\";")
-        database.execSQL("ALTER TABLE Students ADD COLUMN privateKey TEXT NOT NULL DEFAULT \"\";")
+        db.execSQL("ALTER TABLE Students ADD COLUMN privateKey TEXT NOT NULL DEFAULT \"\";")
-        database.execSQL("ALTER TABLE Students ADD COLUMN user_login_id INTEGER NOT NULL DEFAULT 0;")
+        db.execSQL("ALTER TABLE Students ADD COLUMN user_login_id INTEGER NOT NULL DEFAULT 0;")
 
-        database.execSQL("""
+        db.execSQL(
+            """
             INSERT INTO Students_tmp(
             id, scrapper_base_url, mobile_base_url, is_parent, login_type, login_mode, certificate_key, private_key, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date)
             SELECT
             id, endpoint, apiBaseUrl, is_parent, loginType, "SCRAPPER", certificateKey, privateKey, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date
             FROM Students
-        """)
+        """
-        database.execSQL("DROP TABLE Students")
+        )
-        database.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
+        db.execSQL("DROP TABLE Students")
-        database.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students (email, symbol, student_id, school_id, class_id)")
+        db.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
+        db.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students (email, symbol, student_id, school_id, class_id)")
     }
 
     private fun migrateSharedPreferences() {

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration2.kt

@@ -5,14 +5,16 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration2 : Migration(1, 2) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS LuckyNumbers (
                 id INTEGER PRIMARY KEY NOT NULL,
                 is_notified INTEGER NOT NULL,
                 student_id INTEGER NOT NULL,
                 date INTEGER NOT NULL,
                 lucky_number INTEGER NOT NULL)
-            """)
+            """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration20.kt

@@ -5,14 +5,15 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration20 : Migration(19, 20) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        migrateTimetable(database)
+        migrateTimetable(db)
-        truncateSubjects(database)
+        truncateSubjects(db)
     }
 
-    private fun migrateTimetable(database: SupportSQLiteDatabase) {
+    private fun migrateTimetable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE Timetable")
+        db.execSQL("DROP TABLE Timetable")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS `Timetable` (
                 `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 `student_id` INTEGER NOT NULL,
@@ -33,10 +34,11 @@ class Migration20 : Migration(19, 20) {
                 `changes` INTEGER NOT NULL,
                 `canceled` INTEGER NOT NULL
             )
-        """)
+        """
+        )
     }
 
-    private fun truncateSubjects(database: SupportSQLiteDatabase) {
+    private fun truncateSubjects(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM Subjects")
+        db.execSQL("DELETE FROM Subjects")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration21.kt

@@ -5,11 +5,11 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration21 : Migration(20, 21) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Attendance ADD COLUMN excusable INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Attendance ADD COLUMN excusable INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE Attendance ADD COLUMN time_id INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Attendance ADD COLUMN time_id INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE Attendance ADD COLUMN excuse_status TEXT DEFAULT NULL")
+        db.execSQL("ALTER TABLE Attendance ADD COLUMN excuse_status TEXT DEFAULT NULL")
 
-        database.execSQL("DELETE FROM Semesters")
+        db.execSQL("DELETE FROM Semesters")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration22.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration22 : Migration(21, 22) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN school_short TEXT NOT NULL DEFAULT ''")
+        db.execSQL("ALTER TABLE Students ADD COLUMN school_short TEXT NOT NULL DEFAULT ''")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration23.kt

@@ -5,10 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration23 : Migration(22, 23) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Notes ADD COLUMN teacher_symbol TEXT NOT NULL DEFAULT ''")
+        db.execSQL("ALTER TABLE Notes ADD COLUMN teacher_symbol TEXT NOT NULL DEFAULT ''")
-        database.execSQL("ALTER TABLE Notes ADD COLUMN category_type INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Notes ADD COLUMN category_type INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE Notes ADD COLUMN is_points_show INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Notes ADD COLUMN is_points_show INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE Notes ADD COLUMN points INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Notes ADD COLUMN points INTEGER NOT NULL DEFAULT 0")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration24.kt

@@ -5,9 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration24 : Migration(23, 24) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Messages ADD COLUMN has_attachments INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Messages ADD COLUMN has_attachments INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS MessageAttachments (
                 real_id INTEGER NOT NULL,
                 message_id INTEGER NOT NULL,
@@ -16,6 +17,7 @@ class Migration24 : Migration(23, 24) {
                 filename TEXT NOT NULL,
                 PRIMARY KEY(real_id)
             )
-        """)
+        """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration25.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration25 : Migration(24, 25) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Homework ADD COLUMN is_done INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Homework ADD COLUMN is_done INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE Homework ADD COLUMN attachments TEXT NOT NULL DEFAULT \"[]\"")
+        db.execSQL("ALTER TABLE Homework ADD COLUMN attachments TEXT NOT NULL DEFAULT \"[]\"")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration26.kt

@@ -5,10 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration26 : Migration(25, 26) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_predicted_grade_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_predicted_grade_notified INTEGER NOT NULL DEFAULT 1")
-        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_final_grade_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE GradesSummary ADD COLUMN is_final_grade_notified INTEGER NOT NULL DEFAULT 1")
-        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN predicted_grade_last_change INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE GradesSummary ADD COLUMN predicted_grade_last_change INTEGER NOT NULL DEFAULT 0")
-        database.execSQL("ALTER TABLE GradesSummary ADD COLUMN final_grade_last_change INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE GradesSummary ADD COLUMN final_grade_last_change INTEGER NOT NULL DEFAULT 0")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration27.kt

@@ -5,24 +5,25 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration27 : Migration(26, 27) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN user_name TEXT NOT NULL DEFAULT \"\"")
+        db.execSQL("ALTER TABLE Students ADD COLUMN user_name TEXT NOT NULL DEFAULT \"\"")
 
-        val students = getStudentsIdsAndNames(database)
+        val students = getStudentsIdsAndNames(db)
-        val units = getReportingUnits(database)
+        val units = getReportingUnits(db)
 
         students.forEach { (id, userLoginId, studentName) ->
-            val userNameFromUnits = units.singleOrNull { (senderId, _) -> senderId == userLoginId }?.second
+            val userNameFromUnits =
+                units.singleOrNull { (senderId, _) -> senderId == userLoginId }?.second
             val normalizedStudentName = studentName.split(" ").asReversed().joinToString(" ")
 
             val userName = userNameFromUnits ?: normalizedStudentName
-            database.execSQL("UPDATE Students SET user_name = '$userName' WHERE id = '$id'")
+            db.execSQL("UPDATE Students SET user_name = '$userName' WHERE id = '$id'")
         }
     }
 
-    private fun getStudentsIdsAndNames(database: SupportSQLiteDatabase): MutableList<Triple<Long, Int, String>> {
+    private fun getStudentsIdsAndNames(db: SupportSQLiteDatabase): MutableList<Triple<Long, Int, String>> {
         val students = mutableListOf<Triple<Long, Int, String>>()
-        database.query("SELECT id, user_login_id, student_name FROM Students").use {
+        db.query("SELECT id, user_login_id, student_name FROM Students").use {
             if (it.moveToFirst()) {
                 do {
                     students.add(Triple(it.getLong(0), it.getInt(1), it.getString(2)))
@@ -33,9 +34,9 @@ class Migration27 : Migration(26, 27) {
         return students
     }
 
-    private fun getReportingUnits(database: SupportSQLiteDatabase): MutableList<Pair<Int, String>> {
+    private fun getReportingUnits(db: SupportSQLiteDatabase): MutableList<Pair<Int, String>> {
         val units = mutableListOf<Pair<Int, String>>()
-        database.query("SELECT sender_id, sender_name FROM ReportingUnits").use {
+        db.query("SELECT sender_id, sender_name FROM ReportingUnits").use {
             if (it.moveToFirst()) {
                 do {
                     units.add(it.getInt(0) to it.getString(1))

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration28.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration28 : Migration(27, 28) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Conferences (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration29.kt

@@ -5,9 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration29 : Migration(28, 29) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS GradesStatistics")
+        db.execSQL("DROP TABLE IF EXISTS GradesStatistics")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS GradeSemesterStatistics (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -16,8 +17,10 @@ class Migration29 : Migration(28, 29) {
                 amounts TEXT NOT NULL,
                 student_grade INTEGER NOT NULL
             )
-        """)
+        """
-        database.execSQL("""
+        )
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS GradePartialStatistics (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration3.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration3 : Migration(2, 3) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS CompletedLesson (
                 id INTEGER PRIMARY KEY NOT NULL,
                 student_id INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration30.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration30 : Migration(29, 30) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE TimetableAdditional (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -16,6 +17,7 @@ class Migration30 : Migration(29, 30) {
                 date INTEGER NOT NULL,
                 subject TEXT NOT NULL
             )
-        """)
+        """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration31.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration31 : Migration(30, 31) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL(
+        db.execSQL(
             """CREATE TABLE IF NOT EXISTS StudentInfo (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
                 student_id INTEGER NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration32.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration32 : Migration(31, 32) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN nick TEXT NOT NULL DEFAULT \"\"")
+        db.execSQL("ALTER TABLE Students ADD COLUMN nick TEXT NOT NULL DEFAULT \"\"")
     }
 }
 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration33.kt

@@ -5,10 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration33 : Migration(32, 33) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS StudentInfo")
+        db.execSQL("DROP TABLE IF EXISTS StudentInfo")
 
-        database.execSQL(
+        db.execSQL(
             """CREATE TABLE IF NOT EXISTS StudentInfo (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, 
                 student_id INTEGER NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration34.kt

@@ -5,9 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration34 : Migration(33, 34) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM ReportingUnits")
+        db.execSQL("DELETE FROM ReportingUnits")
-        database.execSQL("DELETE FROM Recipients")
+        db.execSQL("DELETE FROM Recipients")
     }
 }
 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration35.kt

@@ -7,13 +7,13 @@ import io.github.wulkanowy.utils.AppInfo
 
 class Migration35(private val appInfo: AppInfo) : Migration(34, 35) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN `avatar_color` INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Students ADD COLUMN `avatar_color` INTEGER NOT NULL DEFAULT 0")
 
-        database.query("SELECT * FROM Students").use {
+        db.query("SELECT * FROM Students").use {
             while (it.moveToNext()) {
                 val studentId = it.getLongOrNull(0)
-                database.execSQL(
+                db.execSQL(
                     """
                         UPDATE Students
                         SET avatar_color = ${appInfo.defaultColorsForAvatar.random()}

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration36.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration36 : Migration(35, 36) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Exams ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE Exams ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
-        database.execSQL("ALTER TABLE Homework ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE Homework ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration37.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration37 : Migration(36, 37) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS TimetableHeaders (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration38.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration38 : Migration(37, 38) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS `SchoolAnnouncements` (
                 `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
                 `student_id` INTEGER NOT NULL,
@@ -14,6 +15,7 @@ class Migration38 : Migration(37, 38) {
                 `subject` TEXT NOT NULL,
                 `content` TEXT NOT NULL
             )
-        """)
+        """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration39.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration39 : Migration(38, 39) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Conferences ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE Conferences ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
-        database.execSQL("ALTER TABLE SchoolAnnouncements ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE SchoolAnnouncements ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration4.kt

@@ -5,9 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration4 : Migration(3, 4) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Messages")
+        db.execSQL("DROP TABLE IF EXISTS Messages")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Messages (
                 id INTEGER PRIMARY KEY NOT NULL,
                 is_notified INTEGER NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration40.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration40 : Migration(39, 40) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `Notifications` (
                 `student_id` INTEGER NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration41.kt

@@ -7,9 +7,9 @@ import io.github.wulkanowy.data.enums.GradeExpandMode
 
 class Migration41(private val sharedPrefProvider: SharedPrefProvider) : Migration(40, 41) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
         migrateSharedPreferences()
-        database.execSQL("ALTER TABLE Homework ADD COLUMN is_added_by_user INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE Homework ADD COLUMN is_added_by_user INTEGER NOT NULL DEFAULT 0")
     }
 
     private fun migrateSharedPreferences() {

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration42.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration42 : Migration(41, 42) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL(
+        db.execSQL(
             """CREATE TABLE IF NOT EXISTS `AdminMessages` (
             `id` INTEGER NOT NULL, 
             `title` TEXT NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration43.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration43 : Migration(42, 43) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Timetable ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE Timetable ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
-        database.execSQL("ALTER TABLE Attendance ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
+        db.execSQL("ALTER TABLE Attendance ADD COLUMN is_notified INTEGER NOT NULL DEFAULT 1")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration44.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration44 : Migration(43, 44) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE AdminMessages ADD COLUMN is_dismissible INTEGER NOT NULL DEFAULT 0")
+        db.execSQL("ALTER TABLE AdminMessages ADD COLUMN is_dismissible INTEGER NOT NULL DEFAULT 0")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration46.kt

@@ -8,65 +8,65 @@ import java.time.ZoneOffset
 
 class Migration46 : Migration(45, 46) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        migrateConferences(database)
+        migrateConferences(db)
-        migrateMessages(database)
+        migrateMessages(db)
-        migrateMobileDevices(database)
+        migrateMobileDevices(db)
-        migrateNotifications(database)
+        migrateNotifications(db)
-        migrateTimetable(database)
+        migrateTimetable(db)
-        migrateTimetableAdditional(database)
+        migrateTimetableAdditional(db)
     }
 
-    private fun migrateConferences(database: SupportSQLiteDatabase) {
+    private fun migrateConferences(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM Conferences").use {
+        db.query("SELECT * FROM Conferences").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocal = it.getLong(it.getColumnIndexOrThrow("date"))
                 val timestampUtc = timestampLocal.timestampLocalToUTC()
 
-                database.execSQL("UPDATE Conferences SET date = $timestampUtc WHERE id = $id")
+                db.execSQL("UPDATE Conferences SET date = $timestampUtc WHERE id = $id")
             }
         }
     }
 
-    private fun migrateMessages(database: SupportSQLiteDatabase) {
+    private fun migrateMessages(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM Messages").use {
+        db.query("SELECT * FROM Messages").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocal = it.getLong(it.getColumnIndexOrThrow("date"))
                 val timestampUtc = timestampLocal.timestampLocalToUTC()
 
-                database.execSQL("UPDATE Messages SET date = $timestampUtc WHERE id = $id")
+                db.execSQL("UPDATE Messages SET date = $timestampUtc WHERE id = $id")
             }
         }
     }
 
-    private fun migrateMobileDevices(database: SupportSQLiteDatabase) {
+    private fun migrateMobileDevices(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM MobileDevices").use {
+        db.query("SELECT * FROM MobileDevices").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocal = it.getLong(it.getColumnIndexOrThrow("date"))
                 val timestampUtc = timestampLocal.timestampLocalToUTC()
 
-                database.execSQL("UPDATE MobileDevices SET date = $timestampUtc WHERE id = $id")
+                db.execSQL("UPDATE MobileDevices SET date = $timestampUtc WHERE id = $id")
             }
         }
     }
 
-    private fun migrateNotifications(database: SupportSQLiteDatabase) {
+    private fun migrateNotifications(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM Notifications").use {
+        db.query("SELECT * FROM Notifications").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocal = it.getLong(it.getColumnIndexOrThrow("date"))
                 val timestampUtc = timestampLocal.timestampLocalToUTC()
 
-                database.execSQL("UPDATE Notifications SET date = $timestampUtc WHERE id = $id")
+                db.execSQL("UPDATE Notifications SET date = $timestampUtc WHERE id = $id")
             }
         }
     }
 
-    private fun migrateTimetable(database: SupportSQLiteDatabase) {
+    private fun migrateTimetable(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM Timetable").use {
+        db.query("SELECT * FROM Timetable").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocalStart = it.getLong(it.getColumnIndexOrThrow("start"))
@@ -74,13 +74,13 @@ class Migration46 : Migration(45, 46) {
                 val timestampUtcStart = timestampLocalStart.timestampLocalToUTC()
                 val timestampUtcEnd = timestampLocalEnd.timestampLocalToUTC()
 
-                database.execSQL("UPDATE Timetable SET start = $timestampUtcStart, end = $timestampUtcEnd WHERE id = $id")
+                db.execSQL("UPDATE Timetable SET start = $timestampUtcStart, end = $timestampUtcEnd WHERE id = $id")
             }
         }
     }
 
-    private fun migrateTimetableAdditional(database: SupportSQLiteDatabase) {
+    private fun migrateTimetableAdditional(db: SupportSQLiteDatabase) {
-        database.query("SELECT * FROM TimetableAdditional").use {
+        db.query("SELECT * FROM TimetableAdditional").use {
             while (it.moveToNext()) {
                 val id = it.getLong(it.getColumnIndexOrThrow("id"))
                 val timestampLocalStart = it.getLong(it.getColumnIndexOrThrow("start"))
@@ -88,7 +88,7 @@ class Migration46 : Migration(45, 46) {
                 val timestampUtcStart = timestampLocalStart.timestampLocalToUTC()
                 val timestampUtcEnd = timestampLocalEnd.timestampLocalToUTC()
 
-                database.execSQL("UPDATE TimetableAdditional SET start = $timestampUtcStart, end = $timestampUtcEnd WHERE id = $id")
+                db.execSQL("UPDATE TimetableAdditional SET start = $timestampUtcStart, end = $timestampUtcEnd WHERE id = $id")
             }
         }
     }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration49.kt

@@ -5,10 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration49 : Migration(48, 49) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS SchoolAnnouncements")
+        db.execSQL("DROP TABLE IF EXISTS SchoolAnnouncements")
 
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `SchoolAnnouncements` (
             `user_login_id` INTEGER NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration5.kt

@@ -7,11 +7,16 @@ import java.time.ZoneOffset
 
 class Migration5 : Migration(4, 5) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Students ADD COLUMN registration_date INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Students ADD COLUMN registration_date INTEGER DEFAULT 0 NOT NULL")
-        database.execSQL("UPDATE Students SET registration_date = '${now().atZone(ZoneOffset.UTC).toInstant().toEpochMilli()}'")
+        db.execSQL(
-        database.execSQL("DROP TABLE IF EXISTS Notes")
+            "UPDATE Students SET registration_date = '${
-        database.execSQL("""
+                now().atZone(ZoneOffset.UTC).toInstant().toEpochMilli()
+            }'"
+        )
+        db.execSQL("DROP TABLE IF EXISTS Notes")
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Notes (
                 id INTEGER PRIMARY KEY NOT NULL,
                 is_read INTEGER NOT NULL,
@@ -21,6 +26,7 @@ class Migration5 : Migration(4, 5) {
                 teacher TEXT NOT NULL,
                 category TEXT NOT NULL,
                 content TEXT NOT NULL)
-            """)
+            """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration50.kt

@@ -5,9 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration50 : Migration(49, 50) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS MobileDevices")
+        db.execSQL("DROP TABLE IF EXISTS MobileDevices")
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `MobileDevices` (
             `user_login_id` INTEGER NOT NULL, 

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration51.kt

@@ -5,17 +5,17 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration51 : Migration(50, 51) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        createMailboxTable(database)
+        createMailboxTable(db)
-        recreateMessagesTable(database)
+        recreateMessagesTable(db)
-        recreateMessageAttachmentsTable(database)
+        recreateMessageAttachmentsTable(db)
-        recreateRecipientsTable(database)
+        recreateRecipientsTable(db)
-        deleteReportingUnitTable(database)
+        deleteReportingUnitTable(db)
     }
 
-    private fun createMailboxTable(database: SupportSQLiteDatabase) {
+    private fun createMailboxTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Mailboxes")
+        db.execSQL("DROP TABLE IF EXISTS Mailboxes")
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `Mailboxes` (
                 `globalKey` TEXT NOT NULL,
@@ -30,9 +30,9 @@ class Migration51 : Migration(50, 51) {
         )
     }
 
-    private fun recreateMessagesTable(database: SupportSQLiteDatabase) {
+    private fun recreateMessagesTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Messages")
+        db.execSQL("DROP TABLE IF EXISTS Messages")
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `Messages` (
                 `message_global_key` TEXT NOT NULL,
@@ -52,9 +52,9 @@ class Migration51 : Migration(50, 51) {
         )
     }
 
-    private fun recreateMessageAttachmentsTable(database: SupportSQLiteDatabase) {
+    private fun recreateMessageAttachmentsTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS MessageAttachments")
+        db.execSQL("DROP TABLE IF EXISTS MessageAttachments")
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `MessageAttachments` (
                 `real_id` INTEGER NOT NULL,
@@ -66,9 +66,9 @@ class Migration51 : Migration(50, 51) {
         )
     }
 
-    private fun recreateRecipientsTable(database: SupportSQLiteDatabase) {
+    private fun recreateRecipientsTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Recipients")
+        db.execSQL("DROP TABLE IF EXISTS Recipients")
-        database.execSQL(
+        db.execSQL(
             """
             CREATE TABLE IF NOT EXISTS `Recipients` (
                 `mailboxGlobalKey` TEXT NOT NULL,
@@ -82,7 +82,7 @@ class Migration51 : Migration(50, 51) {
         )
     }
 
-    private fun deleteReportingUnitTable(database: SupportSQLiteDatabase) {
+    private fun deleteReportingUnitTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS ReportingUnits")
+        db.execSQL("DROP TABLE IF EXISTS ReportingUnits")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration53.kt

@@ -5,14 +5,14 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration53 : Migration(52, 53) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        createMailboxTable(database)
+        createMailboxTable(db)
-        recreateMessagesTable(database)
+        recreateMessagesTable(db)
     }
 
-    private fun createMailboxTable(database: SupportSQLiteDatabase) {
+    private fun createMailboxTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Mailboxes")
+        db.execSQL("DROP TABLE IF EXISTS Mailboxes")
-        database.execSQL(
+        db.execSQL(
             """
                 CREATE TABLE IF NOT EXISTS `Mailboxes` (
                     `globalKey` TEXT NOT NULL,
@@ -29,9 +29,9 @@ class Migration53 : Migration(52, 53) {
         )
     }
 
-    private fun recreateMessagesTable(database: SupportSQLiteDatabase) {
+    private fun recreateMessagesTable(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Messages")
+        db.execSQL("DROP TABLE IF EXISTS Messages")
-        database.execSQL(
+        db.execSQL(
             """
                 CREATE TABLE IF NOT EXISTS `Messages` (
                     `email` TEXT NOT NULL,

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration54.kt

@@ -5,22 +5,24 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration54 : Migration(53, 54) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        migrateResman(database)
+        migrateResman(db)
-        removeTomaszowMazowieckiStudents(database)
+        removeTomaszowMazowieckiStudents(db)
     }
 
-    private fun migrateResman(database: SupportSQLiteDatabase) {
+    private fun migrateResman(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             UPDATE Students SET
                 scrapper_base_url = 'https://vulcan.net.pl',
                 login_type = 'ADFSLightScoped',
                 symbol = 'rzeszowprojekt'
             WHERE scrapper_base_url = 'https://resman.pl'
-        """.trimIndent())
+        """.trimIndent()
+        )
     }
 
-    private fun removeTomaszowMazowieckiStudents(database: SupportSQLiteDatabase) {
+    private fun removeTomaszowMazowieckiStudents(db: SupportSQLiteDatabase) {
-        database.execSQL("DELETE FROM Students WHERE symbol = 'tomaszowmazowiecki'")
+        db.execSQL("DELETE FROM Students WHERE symbol = 'tomaszowmazowiecki'")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration6.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration6 : Migration(5, 6) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS ReportingUnits (
                 id INTEGER PRIMARY KEY NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -15,9 +16,11 @@ class Migration6 : Migration(5, 6) {
                 sender_id INTEGER NOT NULL,
                 sender_name TEXT NOT NULL,
                 roles TEXT NOT NULL)
-                """)
+                """
+        )
 
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Recipients (
                 id INTEGER PRIMARY KEY NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -28,10 +31,11 @@ class Migration6 : Migration(5, 6) {
                 unit_id INTEGER NOT NULL,
                 role INTEGER NOT NULL,
                 hash TEXT NOT NULL)
-                """)
+                """
+        )
 
-        database.execSQL("DELETE FROM Semesters WHERE 1")
+        db.execSQL("DELETE FROM Semesters WHERE 1")
-        database.execSQL("ALTER TABLE Semesters ADD COLUMN class_id INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Semesters ADD COLUMN class_id INTEGER DEFAULT 0 NOT NULL")
-        database.execSQL("ALTER TABLE Semesters ADD COLUMN unit_id INTEGER DEFAULT 0 NOT NULL")
+        db.execSQL("ALTER TABLE Semesters ADD COLUMN unit_id INTEGER DEFAULT 0 NOT NULL")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration7.kt

@@ -5,8 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration7 : Migration(6, 7) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS GradesStatistics (
                 id INTEGER PRIMARY KEY NOT NULL,
                 student_id INTEGER NOT NULL,
@@ -15,6 +16,7 @@ class Migration7 : Migration(6, 7) {
                 grade INTEGER NOT NULL,
                 amount INTEGER NOT NULL,
                 is_semester INTEGER NOT NULL)
-            """)
+            """
+        )
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration8.kt

@@ -5,9 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration8 : Migration(7, 8) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("ALTER TABLE Timetable ADD COLUMN subjectOld TEXT DEFAULT \"\" NOT NULL")
+        db.execSQL("ALTER TABLE Timetable ADD COLUMN subjectOld TEXT DEFAULT \"\" NOT NULL")
-        database.execSQL("ALTER TABLE Timetable ADD COLUMN roomOld TEXT DEFAULT \"\" NOT NULL")
+        db.execSQL("ALTER TABLE Timetable ADD COLUMN roomOld TEXT DEFAULT \"\" NOT NULL")
-        database.execSQL("ALTER TABLE Timetable ADD COLUMN teacherOld TEXT DEFAULT \"\" NOT NULL")
+        db.execSQL("ALTER TABLE Timetable ADD COLUMN teacherOld TEXT DEFAULT \"\" NOT NULL")
     }
 }

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration9.kt

@@ -5,9 +5,10 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration9 : Migration(8, 9) {
 
-    override fun migrate(database: SupportSQLiteDatabase) {
+    override fun migrate(db: SupportSQLiteDatabase) {
-        database.execSQL("DROP TABLE IF EXISTS Messages")
+        db.execSQL("DROP TABLE IF EXISTS Messages")
-        database.execSQL("""
+        db.execSQL(
+            """
             CREATE TABLE IF NOT EXISTS Messages (
                 id INTEGER PRIMARY KEY NOT NULL,
                 student_id INTEGER NOT NULL,

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

@@ -35,12 +35,15 @@ class LuckyNumberRepository @Inject constructor(
         fetch = {
             sdk.init(student).getLuckyNumber(student.schoolShortName)?.mapToEntity(student)
         },
-        saveFetchResult = { old, new ->
+        saveFetchResult = { oldLuckyNumber, newLuckyNumber ->
-            if (new != old) {
+            newLuckyNumber ?: return@networkBoundResource
-                old?.let { luckyNumberDb.deleteAll(listOfNotNull(it)) }
+
-                luckyNumberDb.insertAll(listOfNotNull((new?.apply {
+            if (newLuckyNumber != oldLuckyNumber) {
-                    if (notify) isNotified = false
+                val updatedLuckNumberList =
-                })))
+                    listOf(newLuckyNumber.apply { if (notify) isNotified = false })
+
+                oldLuckyNumber?.let { luckyNumberDb.deleteAll(listOfNotNull(it)) }
+                luckyNumberDb.insertAll(updatedLuckNumberList)
             }
         }
     )

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

@@ -9,7 +9,12 @@ import com.fredporciuncula.flow.preferences.Preference
 import com.fredporciuncula.flow.preferences.Serializer
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.enums.*
+import io.github.wulkanowy.data.enums.AppTheme
+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.TimetableGapsMode
+import io.github.wulkanowy.data.enums.TimetableMode
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
 import io.github.wulkanowy.ui.modules.grade.GradeAverageMode
 import io.github.wulkanowy.ui.modules.settings.appearance.menuorder.AppMenuItem
@@ -18,7 +23,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import java.time.Instant
-import java.util.*
+import java.util.UUID
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -194,12 +199,6 @@ class PreferencesRepository @Inject constructor(
             )
         )
 
-    val showTimetableTimers: Boolean
-        get() = getBoolean(
-            R.string.pref_key_timetable_show_timers,
-            R.bool.pref_default_timetable_show_timers
-        )
-
     val showTimetableGaps: TimetableGapsMode
         get() = TimetableGapsMode.getByValue(
             getString(
@@ -309,19 +308,6 @@ class PreferencesRepository @Inject constructor(
         get() = sharedPref.getBoolean(PREF_KEY_APP_SUPPORT_SHOWN, false)
         set(value) = sharedPref.edit { putBoolean(PREF_KEY_APP_SUPPORT_SHOWN, value) }
 
-    var isAgreeToProcessData: Boolean
-        get() = getBoolean(
-            R.string.pref_key_ads_consent_data_processing,
-            R.bool.pref_default_ads_consent_data_processing
-        )
-        set(value) = sharedPref.edit {
-            putBoolean(context.getString(R.string.pref_key_ads_consent_data_processing), value)
-        }
-
-    var isPersonalizedAdsEnabled: Boolean
-        get() = sharedPref.getBoolean(PREF_KEY_PERSONALIZED_ADS_ENABLED, false)
-        set(value) = sharedPref.edit { putBoolean(PREF_KEY_PERSONALIZED_ADS_ENABLED, value) }
-
     val isAdsEnabledFlow = flowSharedPref.getBoolean(
         context.getString(R.string.pref_key_ads_enabled),
         context.resources.getBoolean(R.bool.pref_default_ads_enabled)
@@ -404,7 +390,6 @@ class PreferencesRepository @Inject constructor(
         private const val PREF_KEY_IN_APP_REVIEW_DATE = "in_app_review_date"
         private const val PREF_KEY_IN_APP_REVIEW_DONE = "in_app_review_done"
         private const val PREF_KEY_APP_SUPPORT_SHOWN = "app_support_shown"
-        private const val PREF_KEY_PERSONALIZED_ADS_ENABLED = "personalized_ads_enabled"
         private const val PREF_KEY_ADMIN_DISMISSED_MESSAGE_IDS = "admin_message_dismissed_ids"
     }
 }

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.repositories
 
-import android.content.Context
 import androidx.room.withTransaction
-import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
@@ -17,20 +15,19 @@ import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.DispatchersProvider
 import io.github.wulkanowy.utils.init
-import io.github.wulkanowy.utils.security.decrypt
+import io.github.wulkanowy.utils.security.Scrambler
-import io.github.wulkanowy.utils.security.encrypt
 import kotlinx.coroutines.withContext
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class StudentRepository @Inject constructor(
-    @ApplicationContext private val context: Context,
     private val dispatchers: DispatchersProvider,
     private val studentDb: StudentDao,
     private val semesterDb: SemesterDao,
     private val sdk: Sdk,
-    private val appDatabase: AppDatabase
+    private val appDatabase: AppDatabase,
+    private val scrambler: Scrambler,
 ) {
 
     suspend fun isCurrentStudentSet() = studentDb.loadCurrent()?.isCurrent ?: false
@@ -68,7 +65,7 @@ class StudentRepository @Inject constructor(
                 student = student.apply {
                     if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.HEBE) {
                         student.password = withContext(dispatchers.io) {
-                            decrypt(student.password)
+                            scrambler.decrypt(student.password)
                         }
                     }
                 },
@@ -86,7 +83,7 @@ class StudentRepository @Inject constructor(
         }.apply {
             if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.HEBE) {
                 student.password = withContext(dispatchers.io) {
-                    decrypt(student.password)
+                    scrambler.decrypt(student.password)
                 }
             }
         }
@@ -96,7 +93,7 @@ class StudentRepository @Inject constructor(
 
         if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.HEBE) {
             student.password = withContext(dispatchers.io) {
-                decrypt(student.password)
+                scrambler.decrypt(student.password)
             }
         }
         return student
@@ -107,7 +104,7 @@ class StudentRepository @Inject constructor(
 
         if (decryptPass && Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.HEBE) {
             student.password = withContext(dispatchers.io) {
-                decrypt(student.password)
+                scrambler.decrypt(student.password)
             }
         }
         return student
@@ -120,7 +117,7 @@ class StudentRepository @Inject constructor(
                 it.apply {
                     if (Sdk.Mode.valueOf(it.loginMode) != Sdk.Mode.HEBE) {
                         password = withContext(dispatchers.io) {
-                            encrypt(password, context)
+                            scrambler.encrypt(password)
                         }
                     }
                 }
@@ -166,4 +163,15 @@ class StudentRepository @Inject constructor(
 
         studentDb.update(studentName)
     }
+
+    suspend fun deleteStudentsAssociatedWithAccount(student: Student) {
+        studentDb.deleteByEmailAndUserName(student.email, student.userName)
+    }
+
+    suspend fun clearAll() {
+        withContext(dispatchers.io) {
+            scrambler.clearKeyPair()
+            appDatabase.clearAllTables()
+        }
+    }
 }

app/src/main/java/io/github/wulkanowy/ui/base/BaseActivity.kt

@@ -68,11 +68,20 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
         } else Toast.makeText(this, text, Toast.LENGTH_LONG).show()
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
+        MaterialAlertDialogBuilder(this)
+            .setTitle(R.string.main_expired_credentials_title)
+            .setMessage(R.string.main_expired_credentials_description)
+            .setPositiveButton(R.string.main_log_in) { _, _ -> presenter.onConfirmExpiredCredentialsSelected() }
+            .setNegativeButton(android.R.string.cancel) { _, _ -> }
+            .show()
+    }
+
+    override fun showDecryptionFailedDialog() {
         MaterialAlertDialogBuilder(this)
             .setTitle(R.string.main_session_expired)
             .setMessage(R.string.main_session_relogin)
-            .setPositiveButton(R.string.main_log_in) { _, _ -> presenter.onExpiredLoginSelected() }
+            .setPositiveButton(R.string.main_log_in) { _, _ -> presenter.onConfirmDecryptionFailedSelected() }
             .setNegativeButton(android.R.string.cancel) { _, _ -> }
             .show()
     }

app/src/main/java/io/github/wulkanowy/ui/base/BaseDialogFragment.kt

@@ -28,8 +28,12 @@ abstract class BaseDialogFragment<VB : ViewBinding> : DialogFragment(), BaseView
         Toast.makeText(context, text, Toast.LENGTH_LONG).show()
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun openClearLoginView() {

app/src/main/java/io/github/wulkanowy/ui/base/BaseFragment.kt

@@ -39,8 +39,12 @@ abstract class BaseFragment<VB : ViewBinding>(@LayoutRes layoutId: Int) : Fragme
         }
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun showAuthDialog() {

app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt

@@ -28,20 +28,37 @@ open class BasePresenter<T : BaseView>(
         this.view = view
         errorHandler.apply {
             showErrorMessage = view::showError
-            onSessionExpired = view::showExpiredDialog
+            onExpiredCredentials = view::showExpiredCredentialsDialog
+            onDecryptionFailed = view::showDecryptionFailedDialog
             onNoCurrentStudent = view::openClearLoginView
             onPasswordChangeRequired = view::showChangePasswordSnackbar
             onAuthorizationRequired = view::showAuthDialog
         }
     }
 
-    fun onExpiredLoginSelected() {
+    fun onConfirmDecryptionFailedSelected() {
-        Timber.i("Attempt to switch the student after the session expires")
+        Timber.i("Attempt to clear all data")
+
+        presenterScope.launch {
+            runCatching { studentRepository.clearAll() }
+                .onFailure {
+                    Timber.i("Clear data result: An exception occurred")
+                    errorHandler.dispatch(it)
+                }
+                .onSuccess {
+                    Timber.i("Clear data result: Open login view")
+                    view?.openClearLoginView()
+                }
+        }
+    }
+
+    fun onConfirmExpiredCredentialsSelected() {
+        Timber.i("Attempt to delete students associated with the account and switch to new student")
 
         presenterScope.launch {
             runCatching {
                 val student = studentRepository.getCurrentStudent(false)
-                studentRepository.logoutStudent(student)
+                studentRepository.deleteStudentsAssociatedWithAccount(student)
 
                 val students = studentRepository.getSavedStudents(false)
                 if (students.isNotEmpty()) {
@@ -50,11 +67,11 @@ open class BasePresenter<T : BaseView>(
                 }
             }
                 .onFailure {
-                    Timber.i("Switch student result: An exception occurred")
+                    Timber.i("Delete students result: An exception occurred")
                     errorHandler.dispatch(it)
                 }
                 .onSuccess {
-                    Timber.i("Switch student result: Open login view")
+                    Timber.i("Delete students result: Open login view")
                     view?.openClearLoginView()
                 }
         }

app/src/main/java/io/github/wulkanowy/ui/base/BaseView.kt

@@ -6,7 +6,9 @@ interface BaseView {
 
     fun showMessage(text: String)
 
-    fun showExpiredDialog()
+    fun showExpiredCredentialsDialog()
+
+    fun showDecryptionFailedDialog()
 
     fun showAuthDialog()
 

app/src/main/java/io/github/wulkanowy/ui/base/ErrorHandler.kt

@@ -15,7 +15,9 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
 
     var showErrorMessage: (String, Throwable) -> Unit = { _, _ -> }
 
-    var onSessionExpired: () -> Unit = {}
+    var onExpiredCredentials: () -> Unit = {}
+
+    var onDecryptionFailed: () -> Unit = {}
 
     var onNoCurrentStudent: () -> Unit = {}
 
@@ -32,7 +34,8 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
         showErrorMessage(context.resources.getErrorString(error), error)
         when (error) {
             is PasswordChangeRequiredException -> onPasswordChangeRequired(error.redirectUrl)
-            is ScramblerException, is BadCredentialsException -> onSessionExpired()
+            is ScramblerException -> onDecryptionFailed()
+            is BadCredentialsException -> onExpiredCredentials()
             is NoCurrentStudentException -> onNoCurrentStudent()
             is AuthorizationRequiredException -> onAuthorizationRequired()
         }
@@ -40,7 +43,8 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
 
     open fun clear() {
         showErrorMessage = { _, _ -> }
-        onSessionExpired = {}
+        onExpiredCredentials = {}
+        onDecryptionFailed = {}
         onNoCurrentStudent = {}
         onPasswordChangeRequired = {}
         onAuthorizationRequired = {}

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

@@ -148,6 +148,10 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
         binding.attendanceNavDate.text = date
     }
 
+    override fun showNavigation(show: Boolean) {
+        binding.attendanceNavContainer.isVisible = show
+    }
+
     override fun clearData() {
         with(attendanceAdapter) {
             items = emptyList()
@@ -281,7 +285,9 @@ class AttendanceFragment : BaseFragment<FragmentAttendanceBinding>(R.layout.frag
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
-        outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
+        presenter.currentDate?.let {
+            outState.putLong(SAVED_DATE_KEY, it.toEpochDay())
+        }
     }
 
     override fun onDestroyView() {

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

@@ -3,10 +3,14 @@ package io.github.wulkanowy.ui.modules.attendance
 import android.annotation.SuppressLint
 import io.github.wulkanowy.data.*
 import io.github.wulkanowy.data.db.entities.Attendance
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Timetable
 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.repositories.TimetableRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.*
@@ -14,6 +18,7 @@ import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
+import java.time.DayOfWeek
 import java.time.LocalDate
 import java.time.LocalDate.now
 import java.time.LocalDate.ofEpochDay
@@ -28,9 +33,10 @@ class AttendancePresenter @Inject constructor(
     private val analytics: AnalyticsHelper
 ) : BasePresenter<AttendanceView>(errorHandler, studentRepository) {
 
-    private var baseDate: LocalDate = now().previousOrSameSchoolDay
+    private var initialDate: LocalDate? = null
+    private var isWeekendHasLessons: Boolean = false
 
-    lateinit var currentDate: LocalDate
+    var currentDate: LocalDate? = null
         private set
 
     private lateinit var lastError: Throwable
@@ -44,27 +50,34 @@ class AttendancePresenter @Inject constructor(
         view.initView()
         Timber.i("Attendance view was initialized")
         errorHandler.showErrorMessage = ::showErrorViewOnError
-        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        currentDate = date?.let(::ofEpochDay)
         loadData()
-        if (currentDate.isHolidays) setBaseDateOnHolidays()
     }
 
     fun onPreviousDay() {
+        val date = if (isWeekendHasLessons) {
+            currentDate?.minusDays(1)
+        } else currentDate?.previousSchoolDay
+
         view?.finishActionMode()
         attendanceToExcuseList.clear()
-        reloadView(currentDate.previousSchoolDay)
+        reloadView(date ?: return)
         loadData()
     }
 
     fun onNextDay() {
+        val date = if (isWeekendHasLessons) {
+            currentDate?.plusDays(1)
+        } else currentDate?.nextSchoolDay
+
         view?.finishActionMode()
         attendanceToExcuseList.clear()
-        reloadView(currentDate.nextSchoolDay)
+        reloadView(date ?: return)
         loadData()
     }
 
     fun onPickDate() {
-        view?.showDatePickerDialog(currentDate)
+        view?.showDatePickerDialog(currentDate ?: return)
     }
 
     fun onDateSet(year: Int, month: Int, day: Int) {
@@ -93,10 +106,8 @@ class AttendancePresenter @Inject constructor(
         Timber.i("Attendance view is reselected")
         view?.let { view ->
             if (view.currentStackSize == 1) {
-                baseDate = now().previousOrSameSchoolDay
+                if (currentDate != initialDate) {
-
+                    reloadView(initialDate ?: return)
-                if (currentDate != baseDate) {
-                    reloadView(baseDate)
                     loadData()
                 } else if (!view.isViewEmpty) {
                     view.resetView()
@@ -188,19 +199,6 @@ class AttendancePresenter @Inject constructor(
         return true
     }
 
-    private fun setBaseDateOnHolidays() {
-        flow {
-            val student = studentRepository.getCurrentStudent()
-            emit(semesterRepository.getCurrentSemester(student))
-        }.catch {
-            Timber.i("Loading semester result: An exception occurred")
-        }.onEach {
-            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-            currentDate = baseDate
-            reloadNavigation()
-        }.launch("holidays")
-    }
-
     private fun loadData(forceRefresh: Boolean = false) {
         Timber.i("Loading attendance data started")
 
@@ -211,11 +209,13 @@ class AttendancePresenter @Inject constructor(
             isParent = student.isParent
 
             val semester = semesterRepository.getCurrentSemester(student)
+
+            checkInitialAndCurrentDate(student, semester)
             attendanceRepository.getAttendance(
                 student = student,
                 semester = semester,
-                start = currentDate,
+                start = currentDate ?: now(),
-                end = currentDate,
+                end = currentDate ?: now(),
                 forceRefresh = forceRefresh
             )
         }
@@ -231,6 +231,8 @@ class AttendancePresenter @Inject constructor(
                 }.sortedBy { item -> item.number }
             }
             .onResourceData {
+                isWeekendHasLessons = isWeekendHasLessons || isWeekendHasLessons(it)
+
                 view?.run {
                     enableSwipe(true)
                     showProgress(false)
@@ -238,6 +240,7 @@ class AttendancePresenter @Inject constructor(
                     showEmpty(it.isEmpty())
                     showContent(it.isNotEmpty())
                     updateData(it)
+                    reloadNavigation()
                 }
             }
             .onResourceIntermediate { view?.showRefresh(true) }
@@ -263,6 +266,43 @@ class AttendancePresenter @Inject constructor(
             .launch()
     }
 
+    private suspend fun checkInitialAndCurrentDate(student: Student, semester: Semester) {
+        if (initialDate == null) {
+            val lessons = attendanceRepository.getAttendance(
+                student = student,
+                semester = semester,
+                start = now().monday,
+                end = now().sunday,
+                forceRefresh = false,
+            ).toFirstResult().dataOrNull.orEmpty()
+            isWeekendHasLessons = isWeekendHasLessons(lessons)
+            initialDate = getInitialDate(semester)
+        }
+
+        if (currentDate == null) {
+            currentDate = initialDate
+        }
+    }
+
+    private fun isWeekendHasLessons(
+        lessons: List<Attendance>,
+    ): Boolean = lessons.any {
+        it.date.dayOfWeek in listOf(
+            DayOfWeek.SATURDAY,
+            DayOfWeek.SUNDAY,
+        )
+    }
+
+    private fun getInitialDate(semester: Semester): LocalDate {
+        val now = now()
+
+        return when {
+            now.isHolidays -> now.getLastSchoolDayIfHoliday(semester.schoolYear)
+            isWeekendHasLessons -> now
+            else -> now.previousOrSameSchoolDay
+        }
+    }
+
     private fun excuseAbsence(reason: String?, toExcuseList: List<Attendance>) {
         resourceFlow {
             val student = studentRepository.getCurrentStudent()
@@ -311,7 +351,7 @@ class AttendancePresenter @Inject constructor(
     private fun reloadView(date: LocalDate) {
         currentDate = date
 
-        Timber.i("Reload attendance view with the date ${currentDate.toFormattedString()}")
+        Timber.i("Reload attendance view with the date ${currentDate?.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
@@ -326,10 +366,13 @@ class AttendancePresenter @Inject constructor(
 
     @SuppressLint("DefaultLocale")
     private fun reloadNavigation() {
+        val currentDate = currentDate ?: return
+
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)
             showNextButton(!currentDate.plusDays(1).isHolidays)
             updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalise())
+            showNavigation(true)
         }
     }
 }

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

@@ -40,6 +40,8 @@ interface AttendanceView : BaseView {
 
     fun showContent(show: Boolean)
 
+    fun showNavigation(show: Boolean)
+
     fun showPreButton(show: Boolean)
 
     fun showNextButton(show: Boolean)

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

@@ -30,7 +30,12 @@ import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.notificationscenter.NotificationsCenterFragment
 import io.github.wulkanowy.ui.modules.schoolannouncement.SchoolAnnouncementFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.capitalise
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.getErrorString
+import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.openInternetBrowser
+import io.github.wulkanowy.utils.toFormattedString
 import java.time.LocalDate
 import javax.inject.Inject
 

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

@@ -1,19 +1,46 @@
 package io.github.wulkanowy.ui.modules.dashboard
 
-import io.github.wulkanowy.data.*
+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.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.enums.MessageFolder
 import io.github.wulkanowy.data.enums.MessageType
-import io.github.wulkanowy.data.repositories.*
+import io.github.wulkanowy.data.errorOrNull
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.mapResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.repositories.AttendanceSummaryRepository
+import io.github.wulkanowy.data.repositories.ConferenceRepository
+import io.github.wulkanowy.data.repositories.ExamRepository
+import io.github.wulkanowy.data.repositories.GradeRepository
+import io.github.wulkanowy.data.repositories.HomeworkRepository
+import io.github.wulkanowy.data.repositories.LuckyNumberRepository
+import io.github.wulkanowy.data.repositories.MessageRepository
+import io.github.wulkanowy.data.repositories.PreferencesRepository
+import io.github.wulkanowy.data.repositories.SchoolAnnouncementRepository
+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.adminmessage.GetAppropriateAdminMessageUseCase
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AdsHelper
 import io.github.wulkanowy.utils.calculatePercentage
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
-import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.emitAll
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterNot
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.merge
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import java.time.Instant
@@ -48,6 +75,11 @@ class DashboardPresenter @Inject constructor(
 
     private val firstLoadedItemList = mutableListOf<DashboardItem.Type>()
 
+    private val selectedDashboardTiles
+        get() = preferencesRepository.selectedDashboardTiles
+            .filterNot { it == DashboardItem.Tile.ADS && !adsHelper.canShowAd }
+            .toSet()
+
     private lateinit var lastError: Throwable
 
     override fun onAttachView(view: DashboardView) {
@@ -59,10 +91,19 @@ class DashboardPresenter @Inject constructor(
             showContent(false)
         }
 
+        val selectedDashboardTilesFlow = preferencesRepository.selectedDashboardTilesFlow
+            .map { selectedDashboardTiles }
+        val isAdsEnabledFlow = preferencesRepository.isAdsEnabledFlow
+            .filter { (adsHelper.canShowAd && it) || !it }
+            .map { selectedDashboardTiles }
+        val isMobileAdsSdkInitializedFlow = adsHelper.isMobileAdsSdkInitialized
+            .filter { it }
+            .map { selectedDashboardTiles }
+
         merge(
-            preferencesRepository.selectedDashboardTilesFlow,
+            selectedDashboardTilesFlow,
-            preferencesRepository.isAdsEnabledFlow
+            isAdsEnabledFlow,
-                .map { preferencesRepository.selectedDashboardTiles }
+            isMobileAdsSdkInitializedFlow
         )
             .onEach { loadData(tilesToLoad = it) }
             .launch("dashboard_pref")
@@ -71,7 +112,7 @@ class DashboardPresenter @Inject constructor(
     fun onAdminMessageDismissed(adminMessage: AdminMessage) {
         preferencesRepository.dismissedAdminMessageIds += adminMessage.id
 
-        loadData(preferencesRepository.selectedDashboardTiles)
+        loadData(selectedDashboardTiles)
     }
 
     fun onDragAndDropEnd(list: List<DashboardItem>) {
@@ -187,7 +228,7 @@ class DashboardPresenter @Inject constructor(
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the dashboard")
-        loadData(preferencesRepository.selectedDashboardTiles, forceRefresh = true)
+        loadData(selectedDashboardTiles, forceRefresh = true)
     }
 
     fun onRetry() {
@@ -195,7 +236,7 @@ class DashboardPresenter @Inject constructor(
             showErrorView(false)
             showProgress(true)
         }
-        loadData(preferencesRepository.selectedDashboardTiles, forceRefresh = true)
+        loadData(selectedDashboardTiles, forceRefresh = true)
     }
 
     fun onViewReselected() {
@@ -216,7 +257,7 @@ class DashboardPresenter @Inject constructor(
     }
 
     fun onDashboardTileSettingsSelected(): Boolean {
-        view?.showDashboardTileSettings(preferencesRepository.selectedDashboardTiles.toList())
+        view?.showDashboardTileSettings(selectedDashboardTiles.toList())
         return true
     }
 
@@ -232,7 +273,7 @@ class DashboardPresenter @Inject constructor(
 
     private fun loadHorizontalGroup(student: Student, forceRefresh: Boolean) {
         flow {
-            val selectedTiles = preferencesRepository.selectedDashboardTiles
+            val selectedTiles = selectedDashboardTiles
             val flowSuccess = flowOf(Resource.Success(null))
 
             val luckyNumberFlow = luckyNumberRepository.getLuckyNumber(student, forceRefresh)
@@ -386,7 +427,7 @@ class DashboardPresenter @Inject constructor(
     private fun loadLessons(student: Student, forceRefresh: Boolean) {
         flatResourceFlow {
             val semester = semesterRepository.getCurrentSemester(student)
-            val date = LocalDate.now().nextOrSameSchoolDay
+            val date = LocalDate.now()
 
             timetableRepository.getTimetable(
                 student = student,

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

@@ -22,6 +22,8 @@ import io.github.wulkanowy.databinding.ItemGradeStatisticsHeaderBinding
 import io.github.wulkanowy.databinding.ItemGradeStatisticsPieBinding
 import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
+import kotlin.math.max
+import kotlin.math.roundToInt
 
 class GradeStatisticsAdapter @Inject constructor() :
     RecyclerView.Adapter<RecyclerView.ViewHolder>() {
@@ -269,7 +271,7 @@ class GradeStatisticsAdapter @Inject constructor() :
             valueTextSize = 12f
             valueTextColor = binding.root.context.getThemeAttrColor(android.R.attr.textColorPrimary)
             valueFormatter = object : ValueFormatter() {
-                override fun getBarLabel(barEntry: BarEntry) = "${barEntry.y}%"
+                override fun getBarLabel(barEntry: BarEntry) = "${barEntry.y}"
             }
             colors = gradePointsColors
         }
@@ -304,15 +306,20 @@ class GradeStatisticsAdapter @Inject constructor() :
             }
             xAxis.setDrawLabels(false)
             xAxis.setDrawGridLines(false)
+
+            val yMaxFromValues = (max(points.others, points.student)).roundToInt() + 30f
+            val yMaxFromValuesWithMargin = ((yMaxFromValues / 10.0).roundToInt() * 10).toFloat()
+            val yMax = yMaxFromValuesWithMargin.coerceAtLeast(100f)
+            val yLabelCount = (yMax / 10).toInt() + 1
             with(axisLeft) {
                 axisMinimum = 0f
-                axisMaximum = 100f
+                axisMaximum = yMax
-                labelCount = 11
+                labelCount = yLabelCount
             }
             with(axisRight) {
                 axisMinimum = 0f
-                axisMaximum = 100f
+                axisMaximum = yMax
-                labelCount = 11
+                labelCount = yLabelCount
             }
             invalidate()
         }

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

@@ -42,7 +42,7 @@ class GradeSummaryPresenter @Inject constructor(
             val student = studentRepository.getCurrentStudent()
             averageProvider.getGradesDetailsWithAverage(student, semesterId, forceRefresh)
         }
-            .logResourceStatus("load grade summary", showData = true)
+            .logResourceStatus("load grade summary")
             .mapResourceData { createGradeSummaryItems(it) }
             .onResourceData {
                 view?.run {

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

@@ -23,7 +23,7 @@ import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.notifications.NotificationsFragment
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.UpdateHelper
+import io.github.wulkanowy.utils.InAppUpdateHelper
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -33,7 +33,7 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
     override lateinit var presenter: LoginPresenter
 
     @Inject
-    lateinit var updateHelper: UpdateHelper
+    lateinit var inAppUpdateHelper: InAppUpdateHelper
 
     @Inject
     lateinit var appInfo: AppInfo
@@ -47,10 +47,10 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
         setContentView(ActivityLoginBinding.inflate(layoutInflater).apply { binding = this }.root)
         setSupportActionBar(binding.loginToolbar)
         messageContainer = binding.loginContainer
-        updateHelper.messageContainer = binding.loginContainer
+        inAppUpdateHelper.messageContainer = binding.loginContainer
 
         presenter.onAttachView(this)
-        updateHelper.checkAndInstallUpdates(this)
+        inAppUpdateHelper.checkAndInstallUpdates()
 
         if (savedInstanceState == null) {
             openFragment(LoginFormFragment.newInstance(), clearBackStack = true)
@@ -117,14 +117,6 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
 
     override fun onResume() {
         super.onResume()
-        updateHelper.onResume(this)
+        inAppUpdateHelper.onResume()
-    }
-
-    //https://developer.android.com/guide/playcore/in-app-updates#status_callback
-    @Deprecated("Deprecated in Java")
-    @Suppress("DEPRECATION")
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        updateHelper.onActivityResult(requestCode, resultCode)
     }
 }

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

@@ -9,7 +9,11 @@ import android.view.MenuItem
 import android.view.ViewGroup.MarginLayoutParams
 import androidx.activity.OnBackPressedCallback
 import androidx.activity.addCallback
-import androidx.core.view.*
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowCompat
+import androidx.core.view.WindowInsetsCompat
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import androidx.preference.Preference
@@ -23,12 +27,19 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.databinding.ActivityMainBinding
-import io.github.wulkanowy.databinding.DialogAdsConsentBinding
 import io.github.wulkanowy.ui.base.BaseActivity
 import io.github.wulkanowy.ui.modules.Destination
 import io.github.wulkanowy.ui.modules.account.accountquick.AccountQuickDialog
 import io.github.wulkanowy.ui.modules.settings.appearance.menuorder.AppMenuItem
-import io.github.wulkanowy.utils.*
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.InAppReviewHelper
+import io.github.wulkanowy.utils.InAppUpdateHelper
+import io.github.wulkanowy.utils.createNameInitialsDrawable
+import io.github.wulkanowy.utils.dpToPx
+import io.github.wulkanowy.utils.nickOrName
+import io.github.wulkanowy.utils.safelyPopFragments
+import io.github.wulkanowy.utils.setOnViewChangeListener
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import timber.log.Timber
@@ -45,7 +56,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     lateinit var analytics: AnalyticsHelper
 
     @Inject
-    lateinit var updateHelper: UpdateHelper
+    lateinit var inAppUpdateHelper: InAppUpdateHelper
 
     @Inject
     lateinit var inAppReviewHelper: InAppReviewHelper
@@ -100,7 +111,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
         this.savedInstanceState = savedInstanceState
         messageContainer = binding.mainMessageContainer
         messageAnchor = binding.mainMessageContainer
-        updateHelper.messageContainer = binding.mainFragmentContainer
+        inAppUpdateHelper.messageContainer = binding.mainFragmentContainer
         onBackCallback = onBackPressedDispatcher.addCallback(this, enabled = false) {
             presenter.onBackPressed()
         }
@@ -109,19 +120,12 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
             ?.takeIf { savedInstanceState == null }
 
         presenter.onAttachView(this, destination)
-        updateHelper.checkAndInstallUpdates(this)
+        inAppUpdateHelper.checkAndInstallUpdates()
     }
 
     override fun onResume() {
         super.onResume()
-        updateHelper.onResume(this)
+        inAppUpdateHelper.onResume()
-    }
-
-    //https://developer.android.com/guide/playcore/in-app-updates#status_callback
-    @Deprecated("Deprecated in Java")
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        updateHelper.onActivityResult(requestCode, resultCode)
     }
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -319,40 +323,6 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
             .show()
     }
 
-    override fun showPrivacyPolicyDialog() {
-        val dialogAdsConsentBinding = DialogAdsConsentBinding.inflate(layoutInflater)
-
-        val dialog = MaterialAlertDialogBuilder(this)
-            .setTitle(R.string.pref_ads_consent_title)
-            .setMessage(R.string.pref_ads_consent_description)
-            .setView(dialogAdsConsentBinding.root)
-            .show()
-
-        dialogAdsConsentBinding.adsConsentOver.setOnCheckedChangeListener { _, isChecked ->
-            dialogAdsConsentBinding.adsConsentPersonalised.isEnabled = isChecked
-        }
-
-        dialogAdsConsentBinding.adsConsentPersonalised.setOnClickListener {
-            presenter.onPrivacyAgree(true)
-            dialog.dismiss()
-        }
-
-        dialogAdsConsentBinding.adsConsentNonPersonalised.setOnClickListener {
-            presenter.onPrivacyAgree(false)
-            dialog.dismiss()
-        }
-
-        dialogAdsConsentBinding.adsConsentPrivacy.setOnClickListener { presenter.onPrivacySelected() }
-        dialogAdsConsentBinding.adsConsentCancel.setOnClickListener { dialog.cancel() }
-    }
-
-    override fun openPrivacyPolicy() {
-        openInternetBrowser(
-            "https://wulkanowy.github.io/polityka-prywatnosci.html",
-            ::showMessage
-        )
-    }
-
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
         navController.onSaveInstanceState(outState)

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

@@ -19,7 +19,6 @@ import io.github.wulkanowy.utils.AdsHelper
 import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.AppInfo
 import kotlinx.coroutines.launch
-import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import timber.log.Timber
 import java.time.Duration
@@ -52,6 +51,7 @@ class MainPresenter @Inject constructor(
             destinationType in rootDestinationTypeList -> {
                 rootDestinationTypeList.indexOf(destinationType)
             }
+
             else -> 4
         }
 
@@ -110,6 +110,7 @@ class MainPresenter @Inject constructor(
         is AccountView,
         is StudentInfoView,
         is AccountDetailsView -> false
+
         else -> true
     }
 
@@ -148,20 +149,8 @@ class MainPresenter @Inject constructor(
     }
 
     fun onEnableAdsSelected() {
-        view?.showPrivacyPolicyDialog()
-    }
-
-    fun onPrivacyAgree(isPersonalizedAds: Boolean) {
-        preferencesRepository.isAgreeToProcessData = true
-        preferencesRepository.isPersonalizedAdsEnabled = isPersonalizedAds
-
-        adsHelper.initialize()
-
         preferencesRepository.isAdsEnabled = true
-    }
+        adsHelper.initialize()
-
-    fun onPrivacySelected() {
-        view?.openPrivacyPolicy()
     }
 
     private fun checkInAppReview() {
@@ -189,8 +178,8 @@ class MainPresenter @Inject constructor(
                     .getOrElse { return@launch }
 
                 if (Instant.now().minus(Duration.ofDays(28)).isAfter(student.registrationDate)) {
-                    view?.showAppSupport()
                     preferencesRepository.isAppSupportShown = true
+                    view?.showAppSupport()
                 }
             }
         }

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

@@ -46,10 +46,6 @@ interface MainView : BaseView {
 
     fun showAppSupport()
 
-    fun showPrivacyPolicyDialog()
-
-    fun openPrivacyPolicy()
-
     fun openMoreDestination(destination: Destination)
 
     interface MainChildView {

app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt

@@ -58,7 +58,10 @@ class TeacherPresenter @Inject constructor(
             .logResourceStatus("load teachers data")
             .onResourceData {
                 view?.run {
-                    updateData(it.filter { item -> item.name.isNotBlank() })
+                    updateData(it
+                        .filter { item -> item.name.isNotBlank() }
+                        .sortedBy { it.name }
+                    )
                     showContent(it.isNotEmpty())
                     showEmpty(it.isEmpty())
                     showErrorView(false)

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

@@ -24,7 +24,9 @@ class SettingsFragment : PreferenceFragmentCompat(), MainView.TitledView, Settin
 
     override fun showMessage(text: String) {}
 
-    override fun showExpiredDialog() {}
+    override fun showExpiredCredentialsDialog() {}
+
+    override fun showDecryptionFailedDialog() {}
 
     override fun openClearLoginView() {}
 

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

@@ -35,7 +35,7 @@ class AdvancedFragment : PreferenceFragmentCompat(),
         setPreferencesFromResource(R.xml.scheme_preferences_advanced, rootKey)
     }
 
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         presenter.onSharedPreferenceChanged(key)
     }
 
@@ -47,8 +47,12 @@ class AdvancedFragment : PreferenceFragmentCompat(),
         (activity as? BaseActivity<*, *>)?.showMessage(text)
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun showChangePasswordSnackbar(redirectUrl: String) {

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

@@ -18,7 +18,8 @@ class AdvancedPresenter @Inject constructor(
         Timber.i("Settings advanced view was initialized")
     }
 
-    fun onSharedPreferenceChanged(key: String) {
+    fun onSharedPreferenceChanged(key: String?) {
+        key ?: return
         Timber.i("Change settings $key")
         analytics.logEvent("setting_changed", "name" to key)
     }

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

@@ -39,7 +39,7 @@ class AppearanceFragment : PreferenceFragmentCompat(),
         setPreferencesFromResource(R.xml.scheme_preferences_appearance, rootKey)
     }
 
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         presenter.onSharedPreferenceChanged(key)
     }
 
@@ -63,8 +63,12 @@ class AppearanceFragment : PreferenceFragmentCompat(),
         (activity as? BaseActivity<*, *>)?.showMessage(text)
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun showChangePasswordSnackbar(redirectUrl: String) {

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

@@ -22,7 +22,8 @@ class AppearancePresenter @Inject constructor(
         Timber.i("Settings appearance view was initialized")
     }
 
-    fun onSharedPreferenceChanged(key: String) {
+    fun onSharedPreferenceChanged(key: String?) {
+        key ?: return
         Timber.i("Change settings $key")
 
         preferencesRepository.apply {

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

@@ -114,7 +114,7 @@ class NotificationsFragment : PreferenceFragmentCompat(),
         setPreferencesFromResource(R.xml.scheme_preferences_notifications, rootKey)
     }
 
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         presenter.onSharedPreferenceChanged(key)
     }
 
@@ -133,8 +133,12 @@ class NotificationsFragment : PreferenceFragmentCompat(),
         (activity as? BaseActivity<*, *>)?.showMessage(text)
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun showChangePasswordSnackbar(redirectUrl: String) {

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

@@ -38,7 +38,8 @@ class NotificationsPresenter @Inject constructor(
         Timber.i("Settings notifications view was initialized")
     }
 
-    fun onSharedPreferenceChanged(key: String) {
+    fun onSharedPreferenceChanged(key: String?) {
+        key ?: return
         Timber.i("Change settings $key")
 
         preferencesRepository.apply {

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

@@ -52,7 +52,7 @@ class SyncFragment : PreferenceFragmentCompat(),
         setPreferencesFromResource(R.xml.scheme_preferences_sync, rootKey)
     }
 
-    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String) {
+    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         presenter.onSharedPreferenceChanged(key)
     }
 
@@ -84,8 +84,12 @@ class SyncFragment : PreferenceFragmentCompat(),
             }
     }
 
-    override fun showExpiredDialog() {
+    override fun showExpiredCredentialsDialog() {
-        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredCredentialsDialog()
+    }
+
+    override fun showDecryptionFailedDialog() {
+        (activity as? BaseActivity<*, *>)?.showDecryptionFailedDialog()
     }
 
     override fun showChangePasswordSnackbar(redirectUrl: String) {

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

@@ -31,7 +31,8 @@ class SyncPresenter @Inject constructor(
         setSyncDateInView()
     }
 
-    fun onSharedPreferenceChanged(key: String) {
+    fun onSharedPreferenceChanged(key: String?) {
+        key ?: return
         Timber.i("Change settings $key")
 
         preferencesRepository.apply {
@@ -52,10 +53,12 @@ class SyncPresenter @Inject constructor(
                         Timber.i("Setting sync now started")
                         analytics.logEvent("sync_now", "status" to "started")
                     }
+
                     WorkInfo.State.SUCCEEDED -> {
                         showMessage(syncSuccessString)
                         analytics.logEvent("sync_now", "status" to "success")
                     }
+
                     WorkInfo.State.FAILED -> {
                         showError(
                             syncFailedString,
@@ -66,6 +69,7 @@ class SyncPresenter @Inject constructor(
                         )
                         analytics.logEvent("sync_now", "status" to "failed")
                     }
+
                     else -> Timber.d("Sync now state: ${workInfo?.state}")
                 }
                 if (workInfo?.state?.isFinished == true) {

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

@@ -325,7 +325,7 @@ class TimetableAdapter @Inject constructor() :
 
             override fun getChangePayload(oldItem: TimetableItem, newItem: TimetableItem): Any? {
                 return if (oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal) {
-                    if (oldItem.lesson == newItem.lesson && oldItem.timeLeft != newItem.timeLeft) {
+                    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

@@ -9,6 +9,7 @@ import android.view.View.GONE
 import android.view.View.VISIBLE
 import androidx.core.os.bundleOf
 import androidx.core.text.parseAsHtml
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
 import io.github.wulkanowy.R
@@ -160,6 +161,10 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
         binding.timetableRecycler.visibility = if (show) VISIBLE else GONE
     }
 
+    override fun showNavigation(show: Boolean) {
+        binding.timetableNavContainer.isVisible = true
+    }
+
     override fun showPreButton(show: Boolean) {
         binding.timetablePreviousButton.visibility = if (show) VISIBLE else View.INVISIBLE
     }
@@ -193,7 +198,9 @@ class TimetableFragment : BaseFragment<FragmentTimetableBinding>(R.layout.fragme
 
     override fun onSaveInstanceState(outState: Bundle) {
         super.onSaveInstanceState(outState)
-        outState.putLong(SAVED_DATE_KEY, presenter.currentDate.toEpochDay())
+        presenter.currentDate?.toEpochDay()?.let {
+            outState.putLong(SAVED_DATE_KEY, it)
+        }
     }
 
     override fun onDestroyView() {

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

@@ -1,5 +1,10 @@
 package io.github.wulkanowy.ui.modules.timetable
 
+import android.os.Handler
+import android.os.Looper
+import io.github.wulkanowy.data.dataOrNull
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.enums.TimetableGapsMode.BETWEEN_AND_BEFORE_LESSONS
 import io.github.wulkanowy.data.enums.TimetableGapsMode.NO_GAPS
@@ -15,6 +20,8 @@ import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.repositories.TimetableRepository
+import io.github.wulkanowy.data.toFirstResult
+import io.github.wulkanowy.data.waitForResult
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AnalyticsHelper
@@ -24,15 +31,16 @@ import io.github.wulkanowy.utils.isHolidays
 import io.github.wulkanowy.utils.isJustFinished
 import io.github.wulkanowy.utils.isShowTimeUntil
 import io.github.wulkanowy.utils.left
+import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.toFormattedString
 import io.github.wulkanowy.utils.until
-import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.firstOrNull
-import kotlinx.coroutines.flow.flow
-import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
+import java.time.DayOfWeek
 import java.time.Instant
 import java.time.LocalDate
 import java.time.LocalDate.now
@@ -51,9 +59,10 @@ class TimetablePresenter @Inject constructor(
     private val analytics: AnalyticsHelper,
 ) : BasePresenter<TimetableView>(errorHandler, studentRepository) {
 
-    private var baseDate: LocalDate = now().nextOrSameSchoolDay
+    private var initialDate: LocalDate? = null
+    private var isWeekendHasLessons: Boolean = false
 
-    lateinit var currentDate: LocalDate
+    var currentDate: LocalDate? = null
         private set
 
     private lateinit var lastError: Throwable
@@ -65,23 +74,30 @@ class TimetablePresenter @Inject constructor(
         view.initView()
         Timber.i("Timetable was initialized")
         errorHandler.showErrorMessage = ::showErrorViewOnError
-        reloadView(ofEpochDay(date ?: baseDate.toEpochDay()))
+        currentDate = date?.let(::ofEpochDay)
         loadData()
-        if (currentDate.isHolidays) setBaseDateOnHolidays()
     }
 
     fun onPreviousDay() {
-        reloadView(currentDate.previousSchoolDay)
+        val date = if (isWeekendHasLessons) {
+            currentDate?.minusDays(1)
+        } else currentDate?.previousSchoolDay
+
+        reloadView(date ?: return)
         loadData()
     }
 
     fun onNextDay() {
-        reloadView(currentDate.nextSchoolDay)
+        val date = if (isWeekendHasLessons) {
+            currentDate?.plusDays(1)
+        } else currentDate?.nextSchoolDay
+
+        reloadView(date ?: return)
         loadData()
     }
 
     fun onPickDate() {
-        view?.showDatePickerDialog(currentDate)
+        view?.showDatePickerDialog(currentDate ?: return)
     }
 
     fun onDateSet(year: Int, month: Int, day: Int) {
@@ -110,10 +126,8 @@ class TimetablePresenter @Inject constructor(
         Timber.i("Timetable view is reselected")
         view?.let { view ->
             if (view.currentStackSize == 1) {
-                baseDate = now().nextOrSameSchoolDay
+                if (currentDate != initialDate) {
-
+                    reloadView(initialDate ?: return)
-                if (currentDate != baseDate) {
-                    reloadView(baseDate)
                     loadData()
                 } else if (!view.isViewEmpty) {
                     view.resetView()
@@ -134,34 +148,25 @@ class TimetablePresenter @Inject constructor(
         return true
     }
 
-    private fun setBaseDateOnHolidays() {
-        flow {
-            val student = studentRepository.getCurrentStudent()
-            emit(semesterRepository.getCurrentSemester(student))
-        }.catch {
-            Timber.i("Loading semester result: An exception occurred")
-        }.onEach {
-            baseDate = baseDate.getLastSchoolDayIfHoliday(it.schoolYear)
-            currentDate = baseDate
-            reloadNavigation()
-        }.launch("holidays")
-    }
-
     private fun loadData(forceRefresh: Boolean = false) {
         flatResourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
+
+            checkInitialAndCurrentDate(student, semester)
             timetableRepository.getTimetable(
                 student = student,
                 semester = semester,
-                start = currentDate,
+                start = currentDate ?: now(),
-                end = currentDate,
+                end = currentDate ?: now(),
                 forceRefresh = forceRefresh,
                 timetableType = TimetableRepository.TimetableType.NORMAL
             )
         }
             .logResourceStatus("load timetable data")
             .onResourceData {
+                isWeekendHasLessons = isWeekendHasLessons || isWeekendHasLessons(it.lessons)
+
                 view?.run {
                     enableSwipe(true)
                     showProgress(false)
@@ -169,7 +174,8 @@ class TimetablePresenter @Inject constructor(
                     showContent(it.lessons.isNotEmpty())
                     showEmpty(it.lessons.isEmpty())
                     updateData(it.lessons)
-                    setDayHeaderMessage(it.headers.singleOrNull { header -> header.date == currentDate }?.content)
+                    setDayHeaderMessage(it.headers.find { header -> header.date == currentDate }?.content)
+                    reloadNavigation()
                 }
             }
             .onResourceIntermediate { view?.showRefresh(true) }
@@ -191,14 +197,54 @@ class TimetablePresenter @Inject constructor(
             .launch()
     }
 
+    private suspend fun checkInitialAndCurrentDate(student: Student, semester: Semester) {
+        if (initialDate == null) {
+            val lessons = timetableRepository.getTimetable(
+                student = student,
+                semester = semester,
+                start = now().monday,
+                end = now().sunday,
+                forceRefresh = false,
+                timetableType = TimetableRepository.TimetableType.NORMAL
+            ).toFirstResult().dataOrNull?.lessons.orEmpty()
+            isWeekendHasLessons = isWeekendHasLessons(lessons)
+            initialDate = getInitialDate(semester)
+        }
+
+        if (currentDate == null) {
+            currentDate = initialDate
+        }
+    }
+
+    private fun isWeekendHasLessons(
+        lessons: List<Timetable>,
+    ): Boolean = lessons.any {
+        it.date.dayOfWeek in listOf(
+            DayOfWeek.SATURDAY,
+            DayOfWeek.SUNDAY,
+        )
+    }
+
+    private fun getInitialDate(semester: Semester): LocalDate {
+        val now = now()
+
+        return when {
+            now.isHolidays -> now.getLastSchoolDayIfHoliday(semester.schoolYear)
+            isWeekendHasLessons -> now
+            else -> now.nextOrSameSchoolDay
+        }
+    }
+
     private fun updateData(lessons: List<Timetable>) {
         tickTimer?.cancel()
 
-        if (!prefRepository.showTimetableTimers) {
+        if (currentDate != now()) {
             view?.updateData(createItems(lessons))
         } else {
             tickTimer = timer(period = 2_000) {
-                view?.updateData(createItems(lessons))
+                Handler(Looper.getMainLooper()).post {
+                    view?.updateData(createItems(lessons))
+                }
             }
         }
     }
@@ -285,7 +331,7 @@ class TimetablePresenter @Inject constructor(
     private fun reloadView(date: LocalDate) {
         currentDate = date
 
-        Timber.i("Reload timetable view with the date ${currentDate.toFormattedString()}")
+        Timber.i("Reload timetable view with the date ${currentDate?.toFormattedString()}")
         view?.apply {
             showProgress(true)
             enableSwipe(false)
@@ -298,10 +344,13 @@ class TimetablePresenter @Inject constructor(
     }
 
     private fun reloadNavigation() {
+        val currentDate = currentDate ?: return
+
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)
             showNextButton(!currentDate.plusDays(1).isHolidays)
             updateNavigationDay(currentDate.toFormattedString("EEEE, dd.MM").capitalise())
+            showNavigation(true)
         }
     }
 

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

@@ -36,6 +36,8 @@ interface TimetableView : BaseView {
 
     fun showContent(show: Boolean)
 
+    fun showNavigation(show: Boolean)
+
     fun showPreButton(show: Boolean)
 
     fun showNextButton(show: Boolean)

app/src/main/java/io/github/wulkanowy/utils/SdkExtension.kt

@@ -11,6 +11,7 @@ fun Sdk.init(student: Student): Sdk {
     schoolSymbol = student.schoolSymbol
     studentId = student.studentId
     classId = student.classId
+    emptyCookieJarInterceptor = true
 
     if (Sdk.Mode.valueOf(student.loginMode) == Sdk.Mode.HEBE) {
         mobileBaseUrl = student.mobileBaseUrl

app/src/main/java/io/github/wulkanowy/utils/security/Scrambler.kt

@@ -16,6 +16,7 @@ import android.util.Base64.DEFAULT
 import android.util.Base64.decode
 import android.util.Base64.encode
 import android.util.Base64.encodeToString
+import dagger.hilt.android.qualifiers.ApplicationContext
 import timber.log.Timber
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
@@ -33,108 +34,124 @@ import javax.crypto.CipherInputStream
 import javax.crypto.CipherOutputStream
 import javax.crypto.spec.OAEPParameterSpec
 import javax.crypto.spec.PSource.PSpecified
+import javax.inject.Inject
+import javax.inject.Singleton
 import javax.security.auth.x500.X500Principal
 
-private const val KEYSTORE_NAME = "AndroidKeyStore"
+@Singleton
+class Scrambler @Inject constructor(
+    @ApplicationContext private val context: Context,
+) {
+    private val keyCharset = Charset.forName("UTF-8")
 
-private const val KEY_ALIAS = "wulkanowy_password"
+    private val isKeyPairExists: Boolean
+        get() = keyStore.getKey(KEY_ALIAS, null) != null
 
-private val KEY_CHARSET = Charset.forName("UTF-8")
+    private val keyStore: KeyStore
+        get() = KeyStore.getInstance(KEYSTORE_NAME).apply { load(null) }
 
-private val isKeyPairExists: Boolean
+    private val cipher: Cipher
-    get() = keyStore.getKey(KEY_ALIAS, null) != null
+        get() {
+            return if (SDK_INT >= M) Cipher.getInstance(
+                "RSA/ECB/OAEPWithSHA-256AndMGF1Padding",
+                "AndroidKeyStoreBCWorkaround"
+            )
+            else Cipher.getInstance("RSA/ECB/PKCS1Padding", "AndroidOpenSSL")
+        }
 
-private val keyStore: KeyStore
+    fun encrypt(plainText: String): String {
-    get() = KeyStore.getInstance(KEYSTORE_NAME).apply { load(null) }
+        if (plainText.isEmpty()) throw ScramblerException("Text to be encrypted is empty")
 
-private val cipher: Cipher
+        return try {
-    get() {
+            if (!isKeyPairExists) generateKeyPair()
-        return if (SDK_INT >= M) Cipher.getInstance(
+
-            "RSA/ECB/OAEPWithSHA-256AndMGF1Padding",
+            cipher.let {
-            "AndroidKeyStoreBCWorkaround"
+                if (SDK_INT >= M) {
-        )
+                    OAEPParameterSpec("SHA-256", "MGF1", SHA1, PSpecified.DEFAULT).let { spec ->
-        else Cipher.getInstance("RSA/ECB/PKCS1Padding", "AndroidOpenSSL")
+                        it.init(ENCRYPT_MODE, keyStore.getCertificate(KEY_ALIAS).publicKey, spec)
+                    }
+                } else it.init(ENCRYPT_MODE, keyStore.getCertificate(KEY_ALIAS).publicKey)
+
+                ByteArrayOutputStream().let { output ->
+                    CipherOutputStream(output, it).apply {
+                        write(plainText.toByteArray(keyCharset))
+                        close()
+                    }
+                    encodeToString(output.toByteArray(), DEFAULT)
+                }
+            }
+        } catch (exception: Exception) {
+            Timber.e(exception, "An error occurred while encrypting text")
+            String(encode(plainText.toByteArray(keyCharset), DEFAULT), keyCharset)
+        }
     }
 
-fun encrypt(plainText: String, context: Context): String {
+    fun decrypt(cipherText: String): String {
-    if (plainText.isEmpty()) throw ScramblerException("Text to be encrypted is empty")
+        if (cipherText.isEmpty()) throw ScramblerException("Text to be encrypted is empty")
 
-    return try {
+        return try {
-        if (!isKeyPairExists) generateKeyPair(context)
+            if (!isKeyPairExists) throw ScramblerException("KeyPair doesn't exist")
 
-        cipher.let {
+            cipher.let {
-            if (SDK_INT >= M) {
+                if (SDK_INT >= M) {
-                OAEPParameterSpec("SHA-256", "MGF1", SHA1, PSpecified.DEFAULT).let { spec ->
+                    OAEPParameterSpec("SHA-256", "MGF1", SHA1, PSpecified.DEFAULT).let { spec ->
-                    it.init(ENCRYPT_MODE, keyStore.getCertificate(KEY_ALIAS).publicKey, spec)
+                        it.init(DECRYPT_MODE, keyStore.getKey(KEY_ALIAS, null), spec)
+                    }
+                } else it.init(DECRYPT_MODE, keyStore.getKey(KEY_ALIAS, null))
+
+                CipherInputStream(
+                    ByteArrayInputStream(decode(cipherText, DEFAULT)),
+                    it
+                ).let { input ->
+                    val values = ArrayList<Byte>()
+                    var nextByte: Int
+                    while (run { nextByte = input.read(); nextByte } != -1) {
+                        values.add(nextByte.toByte())
+                    }
+                    val bytes = ByteArray(values.size)
+                    for (i in bytes.indices) {
+                        bytes[i] = values[i]
+                    }
+                    String(bytes, 0, bytes.size, keyCharset)
                 }
-            } else it.init(ENCRYPT_MODE, keyStore.getCertificate(KEY_ALIAS).publicKey)
+            }
+        } catch (e: Exception) {
+            throw ScramblerException("An error occurred while decrypting text", e)
+        }
+    }
 
-            ByteArrayOutputStream().let { output ->
+    private fun generateKeyPair() {
-                CipherOutputStream(output, it).apply {
+        (if (SDK_INT >= M) {
-                    write(plainText.toByteArray(KEY_CHARSET))
+            KeyGenParameterSpec.Builder(KEY_ALIAS, PURPOSE_DECRYPT or PURPOSE_ENCRYPT)
-                    close()
+                .setDigests(DIGEST_SHA256, DIGEST_SHA512)
-                }
+                .setEncryptionPaddings(ENCRYPTION_PADDING_RSA_OAEP)
-                encodeToString(output.toByteArray(), DEFAULT)
+                .setCertificateSerialNumber(BigInteger.TEN)
+                .setCertificateSubject(X500Principal("CN=Wulkanowy"))
+                .build()
+        } else {
+            KeyPairGeneratorSpec.Builder(context)
+                .setAlias(KEY_ALIAS)
+                .setSubject(X500Principal("CN=Wulkanowy"))
+                .setSerialNumber(BigInteger.TEN)
+                .setStartDate(Calendar.getInstance().time)
+                .setEndDate(Calendar.getInstance().apply { add(YEAR, 99) }.time)
+                .build()
+        }).let {
+            KeyPairGenerator.getInstance("RSA", KEYSTORE_NAME).apply {
+                initialize(it)
+                genKeyPair()
             }
         }
-    } catch (exception: Exception) {
+        Timber.i("A new KeyPair has been generated")
-        Timber.e(exception, "An error occurred while encrypting text")
+    }
-        String(encode(plainText.toByteArray(KEY_CHARSET), DEFAULT), KEY_CHARSET)
+
+    fun clearKeyPair() {
+        keyStore.deleteEntry(KEY_ALIAS)
+        Timber.i("KeyPair has been cleared")
+    }
+
+    private companion object {
+        private const val KEYSTORE_NAME = "AndroidKeyStore"
+        private const val KEY_ALIAS = "wulkanowy_password"
     }
 }
-
-fun decrypt(cipherText: String): String {
-    if (cipherText.isEmpty()) throw ScramblerException("Text to be encrypted is empty")
-
-    return try {
-        if (!isKeyPairExists) throw ScramblerException("KeyPair doesn't exist")
-
-        cipher.let {
-            if (SDK_INT >= M) {
-                OAEPParameterSpec("SHA-256", "MGF1", SHA1, PSpecified.DEFAULT).let { spec ->
-                    it.init(DECRYPT_MODE, keyStore.getKey(KEY_ALIAS, null), spec)
-                }
-            } else it.init(DECRYPT_MODE, keyStore.getKey(KEY_ALIAS, null))
-
-            CipherInputStream(ByteArrayInputStream(decode(cipherText, DEFAULT)), it).let { input ->
-                val values = ArrayList<Byte>()
-                var nextByte: Int
-                while (run { nextByte = input.read(); nextByte } != -1) {
-                    values.add(nextByte.toByte())
-                }
-                val bytes = ByteArray(values.size)
-                for (i in bytes.indices) {
-                    bytes[i] = values[i]
-                }
-                String(bytes, 0, bytes.size, KEY_CHARSET)
-            }
-        }
-    } catch (e: Exception) {
-        throw ScramblerException("An error occurred while decrypting text", e)
-    }
-}
-
-private fun generateKeyPair(context: Context) {
-    (if (SDK_INT >= M) {
-        KeyGenParameterSpec.Builder(KEY_ALIAS, PURPOSE_DECRYPT or PURPOSE_ENCRYPT)
-            .setDigests(DIGEST_SHA256, DIGEST_SHA512)
-            .setEncryptionPaddings(ENCRYPTION_PADDING_RSA_OAEP)
-            .setCertificateSerialNumber(BigInteger.TEN)
-            .setCertificateSubject(X500Principal("CN=Wulkanowy"))
-            .build()
-    } else {
-        KeyPairGeneratorSpec.Builder(context)
-            .setAlias(KEY_ALIAS)
-            .setSubject(X500Principal("CN=Wulkanowy"))
-            .setSerialNumber(BigInteger.TEN)
-            .setStartDate(Calendar.getInstance().time)
-            .setEndDate(Calendar.getInstance().apply { add(YEAR, 99) }.time)
-            .build()
-    }).let {
-        KeyPairGenerator.getInstance("RSA", KEYSTORE_NAME).apply {
-            initialize(it)
-            genKeyPair()
-        }
-    }
-    Timber.i("A new KeyPair has been generated")
-}

app/src/main/play/release-notes/pl-PL/default.txt

@@ -1,6 +1,5 @@
-Wersja 2.2.1
+Wersja 2.3.2
 
-– dokonaliśmy kilka poprawek na ekranie logowania
+— poprawiliśmy kolejne usterki przy odświeżaniu danych (teraz to powinno działać już dużo lepiej)
-– naprawiliśmy przypadek z błędnym wyświetlaniem starej klasy ucznia po zalogowaniu się na konto z nowej klasy
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases

app/src/main/res/layout/dialog_ads_consent.xml

@@ -1,79 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/ads_consent_privacy"
-        style="@style/Widget.MaterialComponents.Button.TextButton"
-        android:layout_width="wrap_content"
-        android:layout_height="24dp"
-        android:layout_marginHorizontal="24dp"
-        android:insetLeft="0dp"
-        android:insetTop="0dp"
-        android:insetRight="0dp"
-        android:insetBottom="0dp"
-        android:padding="0dp"
-        android:text="@string/pref_ads_privacy_policy"
-        android:textAllCaps="false"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <com.google.android.material.checkbox.MaterialCheckBox
-        android:id="@+id/ads_consent_over"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="17dp"
-        android:layout_marginTop="8dp"
-        android:text="@string/pref_ads_over_18_years_old"
-        android:textColor="?android:textColorSecondary"
-        android:textSize="14sp"
-        app:layout_constraintTop_toBottomOf="@id/ads_consent_privacy" />
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/ads_consent_personalised"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="24dp"
-        android:layout_marginTop="24dp"
-        android:enabled="false"
-        android:insetLeft="0dp"
-        android:insetTop="0dp"
-        android:insetRight="0dp"
-        android:insetBottom="0dp"
-        android:text="@string/pref_ads_option_personalized"
-        app:layout_constraintTop_toBottomOf="@id/ads_consent_over" />
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/ads_consent_non_personalised"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="24dp"
-        android:layout_marginTop="24dp"
-        android:layout_marginBottom="24dp"
-        android:insetLeft="0dp"
-        android:insetTop="0dp"
-        android:insetRight="0dp"
-        android:insetBottom="0dp"
-        android:text="@string/pref_ads_option_non_personalized"
-        app:layout_constraintBottom_toTopOf="@id/ads_consent_cancel"
-        app:layout_constraintTop_toBottomOf="@id/ads_consent_personalised"
-        app:layout_constraintVertical_bias="0" />
-
-    <com.google.android.material.button.MaterialButton
-        android:id="@+id/ads_consent_cancel"
-        style="@style/Widget.Material3.Button.OutlinedButton"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginHorizontal="24dp"
-        android:layout_marginTop="24dp"
-        android:layout_marginBottom="24dp"
-        android:insetLeft="0dp"
-        android:insetTop="0dp"
-        android:insetRight="0dp"
-        android:insetBottom="0dp"
-        android:text="@android:string/cancel"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintVertical_bias="0" />
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_attendance.xml

@@ -128,7 +128,9 @@
         android:layout_gravity="bottom"
         android:gravity="center"
         android:orientation="horizontal"
-        tools:ignore="UnusedAttribute">
+        android:visibility="gone"
+        tools:ignore="UnusedAttribute"
+        tools:visibility="visible">
 
         <ImageButton
             android:id="@+id/attendancePreviousButton"

app/src/main/res/layout/fragment_timetable.xml

@@ -128,7 +128,9 @@
         android:layout_gravity="bottom"
         android:gravity="center"
         android:orientation="horizontal"
-        tools:ignore="UnusedAttribute">
+        android:visibility="gone"
+        tools:ignore="UnusedAttribute"
+        tools:visibility="visible">
 
         <ImageButton
             android:id="@+id/timetablePreviousButton"