Merge branch 'release/2.6.4'

This reverts commit a7c2009e49.

app/build.gradle

@@ -27,8 +27,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 21
         targetSdkVersion 34
-        versionCode 150
-        versionName "2.5.1"
+        versionCode 164
+        versionName "2.6.4"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
         resValue "string", "app_name", "Wulkanowy"
@@ -160,8 +160,8 @@ play {
     defaultToAppBundles = false
     track = 'production'
     releaseStatus = ReleaseStatus.IN_PROGRESS
-    userFraction = 0.50d
-    updatePriority = 1
+    userFraction = 0.99d
+    updatePriority = 4
     enabled.set(false)
 }
 
@@ -191,23 +191,23 @@ ext {
 }
 
 dependencies {
-    implementation 'io.github.wulkanowy:sdk:2.5.1'
+    implementation 'io.github.wulkanowy:sdk:2.6.3'
 
     coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:2.0.4'
 
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines"
 
-    implementation 'androidx.core:core-ktx:1.12.0'
+    implementation 'androidx.core:core-ktx:1.13.1'
     implementation 'androidx.core:core-splashscreen:1.0.1'
-    implementation "androidx.activity:activity-ktx:1.8.2"
+    implementation "androidx.activity:activity-ktx:1.9.0"
     implementation "androidx.appcompat:appcompat:1.6.1"
-    implementation "androidx.fragment:fragment-ktx:1.6.2"
+    implementation "androidx.fragment:fragment-ktx:1.7.0"
     implementation "androidx.annotation:annotation:1.7.1"
 
     implementation "androidx.preference:preference-ktx:1.2.1"
     implementation "androidx.recyclerview:recyclerview:1.3.2"
-    implementation "androidx.viewpager2:viewpager2:1.1.0-beta02"
+    implementation "androidx.viewpager2:viewpager2:1.1.0-rc01"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "androidx.constraintlayout:constraintlayout:2.1.4"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.2.0"
@@ -233,7 +233,7 @@ dependencies {
     implementation 'com.github.ncapdevi:FragNav:3.3.0'
     implementation "com.github.YarikSOffice:lingver:1.3.0"
 
-    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
+    implementation 'com.squareup.retrofit2:retrofit:2.11.0'
     implementation "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0"
     implementation "com.squareup.okhttp3:logging-interceptor:4.12.0"
     implementation "com.squareup.okhttp3:okhttp-urlconnection:4.12.0"
@@ -246,15 +246,15 @@ dependencies {
     implementation "io.github.wulkanowy:AppKillerManager:3.0.1"
     implementation 'me.xdrop:fuzzywuzzy:1.4.0'
     implementation 'com.fredporciuncula:flow-preferences:1.9.1'
-    implementation 'org.apache.commons:commons-text:1.11.0'
+    implementation 'org.apache.commons:commons-text:1.12.0'
 
-    playImplementation platform('com.google.firebase:firebase-bom:32.7.4')
+    playImplementation platform('com.google.firebase:firebase-bom:33.0.0')
     playImplementation 'com.google.firebase:firebase-analytics'
     playImplementation 'com.google.firebase:firebase-messaging'
     playImplementation 'com.google.firebase:firebase-crashlytics:'
     playImplementation 'com.google.firebase:firebase-config'
 
-    playImplementation 'com.google.android.gms:play-services-ads:23.0.0'
+    playImplementation 'com.google.android.gms:play-services-ads:22.6.0'
     playImplementation "com.google.android.play:integrity:1.3.0"
     playImplementation 'com.google.android.play:app-update-ktx:2.1.0'
     playImplementation 'com.google.android.play:review-ktx:2.0.1'
@@ -274,7 +274,7 @@ dependencies {
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines"
     testImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
 
-    testImplementation 'org.robolectric:robolectric:4.11.1'
+    testImplementation 'org.robolectric:robolectric:4.12.1'
     testImplementation "androidx.test:runner:1.5.2"
     testImplementation "androidx.test.ext:junit:1.1.5"
     testImplementation "androidx.test:core:1.5.0"

app/google-services.json

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

app/src/main/AndroidManifest.xml

@@ -51,7 +51,7 @@
             android:exported="true"
             android:screenOrientation="portrait"
             android:theme="@style/WulkanowyTheme.SplashScreen"
-            tools:ignore="LockedOrientationActivity">
+            tools:ignore="DiscouragedApi,LockedOrientationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

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

@@ -1,11 +1,15 @@
 package io.github.wulkanowy.data
 
 import com.chuckerteam.chucker.api.ChuckerInterceptor
+import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentIsEduOne
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.RemoteConfigHelper
 import io.github.wulkanowy.utils.WebkitCookieManagerProxy
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -14,9 +18,13 @@ import javax.inject.Singleton
 class WulkanowySdkFactory @Inject constructor(
     private val chuckerInterceptor: ChuckerInterceptor,
     private val remoteConfig: RemoteConfigHelper,
-    private val webkitCookieManagerProxy: WebkitCookieManagerProxy
+    private val webkitCookieManagerProxy: WebkitCookieManagerProxy,
+    private val studentDb: StudentDao,
 ) {
 
+    private val eduOneMutex = Mutex()
+    private val migrationFailedStudentIds = mutableSetOf<Long>()
+
     private val sdk = Sdk().apply {
         androidVersion = android.os.Build.VERSION.RELEASE
         buildTag = android.os.Build.MODEL
@@ -30,7 +38,12 @@ class WulkanowySdkFactory @Inject constructor(
 
     fun create() = sdk
 
-    fun create(student: Student, semester: Semester? = null): Sdk {
+    suspend fun create(student: Student, semester: Semester? = null): Sdk {
+        val overrideIsEduOne = checkEduOneAndMigrateIfNecessary(student)
+        return buildSdk(student, semester, overrideIsEduOne)
+    }
+
+    private fun buildSdk(student: Student, semester: Semester?, isStudentEduOne: Boolean): Sdk {
         return create().apply {
             email = student.email
             password = student.password
@@ -39,6 +52,7 @@ class WulkanowySdkFactory @Inject constructor(
             studentId = student.studentId
             classId = student.classId
             emptyCookieJarInterceptor = true
+            isEduOne = isStudentEduOne
 
             if (Sdk.Mode.valueOf(student.loginMode) == Sdk.Mode.HEBE) {
                 mobileBaseUrl = student.mobileBaseUrl
@@ -61,4 +75,51 @@ class WulkanowySdkFactory @Inject constructor(
             }
         }
     }
+
+    private suspend fun checkEduOneAndMigrateIfNecessary(student: Student): Boolean {
+        if (student.isEduOne != null) return student.isEduOne
+
+        if (student.id in migrationFailedStudentIds) {
+            Timber.i("Migration eduOne: skipping because of previous failure")
+            return false
+        }
+
+        eduOneMutex.withLock {
+            if (student.id in migrationFailedStudentIds) {
+                Timber.i("Migration eduOne: skipping because of previous failure")
+                return false
+            }
+
+            val studentFromDatabase = studentDb.loadById(student.id)
+            if (studentFromDatabase?.isEduOne != null) {
+                Timber.i("Migration eduOne: already done")
+                return studentFromDatabase.isEduOne
+            }
+
+            Timber.i("Migration eduOne: flag missing. Running migration...")
+            val initializedSdk = buildSdk(
+                student = student,
+                semester = null,
+                isStudentEduOne = false, // doesn't matter
+            )
+            val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
+                .onFailure { Timber.e(it, "Migration eduOne: can't get current student") }
+                .getOrNull()
+
+            if (newCurrentStudent == null) {
+                Timber.i("Migration eduOne: failed, so skipping")
+                migrationFailedStudentIds.add(student.id)
+                return false
+            }
+
+            Timber.i("Migration eduOne: success. New isEduOne flag: ${newCurrentStudent.isEduOne}")
+
+            val studentIsEduOne = StudentIsEduOne(
+                id = student.id,
+                isEduOne = newCurrentStudent.isEduOne
+            )
+            studentDb.update(studentIsEduOne)
+            return newCurrentStudent.isEduOne
+        }
+    }
 }

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

@@ -120,6 +120,7 @@ import io.github.wulkanowy.data.db.migrations.Migration55
 import io.github.wulkanowy.data.db.migrations.Migration57
 import io.github.wulkanowy.data.db.migrations.Migration58
 import io.github.wulkanowy.data.db.migrations.Migration6
+import io.github.wulkanowy.data.db.migrations.Migration63
 import io.github.wulkanowy.data.db.migrations.Migration7
 import io.github.wulkanowy.data.db.migrations.Migration8
 import io.github.wulkanowy.data.db.migrations.Migration9
@@ -174,6 +175,9 @@ import javax.inject.Singleton
         AutoMigration(from = 58, to = 59),
         AutoMigration(from = 59, to = 60),
         AutoMigration(from = 60, to = 61),
+        AutoMigration(from = 61, to = 62),
+        AutoMigration(from = 62, to = 63, spec = Migration63::class),
+        AutoMigration(from = 63, to = 64),
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -182,7 +186,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 61
+        const val VERSION_SCHEMA = 64
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider, appInfo: AppInfo) = arrayOf(
             Migration2(),
@@ -309,6 +313,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val adminMessagesDao: AdminMessageDao
 
     abstract val mutedMessageSendersDao: MutedMessageSendersDao
-  
+
     abstract val gradeDescriptiveDao: GradeDescriptiveDao
 }

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

@@ -8,6 +8,6 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface MobileDeviceDao : BaseDao<MobileDevice> {
 
-    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :userLoginId ORDER BY date DESC")
-    fun loadAll(userLoginId: Int): Flow<List<MobileDevice>>
+    @Query("SELECT * FROM MobileDevices WHERE user_login_id = :studentId ORDER BY date DESC")
+    fun loadAll(studentId: Int): Flow<List<MobileDevice>>
 }

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

@@ -10,6 +10,6 @@ import javax.inject.Singleton
 @Singleton
 interface SchoolAnnouncementDao : BaseDao<SchoolAnnouncement> {
 
-    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :userLoginId ORDER BY date DESC")
-    fun loadAll(userLoginId: Int): Flow<List<SchoolAnnouncement>>
+    @Query("SELECT * FROM SchoolAnnouncements WHERE user_login_id = :studentId ORDER BY date DESC")
+    fun loadAll(studentId: Int): Flow<List<SchoolAnnouncement>>
 }

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

@@ -14,6 +14,6 @@ interface SemesterDao : BaseDao<Semester> {
     @Insert(onConflict = OnConflictStrategy.IGNORE)
     suspend fun insertSemesters(items: List<Semester>): List<Long>
 
-    @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
+    @Query("SELECT * FROM Semesters WHERE (student_id = :studentId AND class_id = :classId) OR (student_id = :studentId AND class_id = 0)")
     suspend fun loadAll(studentId: Int, classId: Int): List<Semester>
 }

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

@@ -9,6 +9,8 @@ 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.StudentIsAuthorized
+import io.github.wulkanowy.data.db.entities.StudentIsEduOne
 import io.github.wulkanowy.data.db.entities.StudentName
 import io.github.wulkanowy.data.db.entities.StudentNickAndAvatar
 import javax.inject.Singleton
@@ -23,6 +25,12 @@ abstract class StudentDao {
     @Delete
     abstract suspend fun delete(student: Student)
 
+    @Update(entity = Student::class)
+    abstract suspend fun update(studentIsAuthorized: StudentIsAuthorized)
+
+    @Update(entity = Student::class)
+    abstract suspend fun update(studentIsEduOne: StudentIsEduOne)
+
     @Update(entity = Student::class)
     abstract suspend fun update(studentNickAndAvatar: StudentNickAndAvatar)
 
@@ -39,11 +47,11 @@ abstract class StudentDao {
     abstract suspend fun loadAll(): List<Student>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id")
+    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0)")
     abstract suspend fun loadStudentsWithSemesters(): Map<Student, List<Semester>>
 
     @Transaction
-    @Query("SELECT * FROM Students JOIN Semesters ON Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id WHERE Students.id = :id")
+    @Query("SELECT * FROM Students JOIN Semesters ON (Students.student_id = Semesters.student_id AND Students.class_id = Semesters.class_id) OR (Students.student_id = Semesters.student_id AND Semesters.class_id = 0) WHERE Students.id = :id")
     abstract suspend fun loadStudentWithSemestersById(id: Long): Map<Student, List<Semester>>
 
     @Query("UPDATE Students SET is_current = 1 WHERE id = :id")

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

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

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

@@ -33,7 +33,13 @@ data class GradeSummary(
     @ColumnInfo(name = "points_sum")
     val pointsSum: String,
 
-    val average: Double
+    @ColumnInfo(name = "points_sum_all_year")
+    val pointsSumAllYear: String?,
+
+    val average: Double,
+
+    @ColumnInfo(name = "average_all_year")
+    val averageAllYear: Double? = null,
 ) {
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0

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

@@ -9,8 +9,8 @@ import java.time.Instant
 @Entity(tableName = "MobileDevices")
 data class MobileDevice(
 
-    @ColumnInfo(name = "user_login_id")
-    val userLoginId: Int,
+    @ColumnInfo(name = "user_login_id") // todo: change column name
+    val studentId: Int,
 
     @ColumnInfo(name = "device_id")
     val deviceId: Int,

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

@@ -9,8 +9,8 @@ import java.time.LocalDate
 @Entity(tableName = "SchoolAnnouncements")
 data class SchoolAnnouncement(
 
-    @ColumnInfo(name = "user_login_id")
-    val userLoginId: Int,
+    @ColumnInfo(name = "user_login_id") // todo: change column name
+    val studentId: Int,
 
     val date: LocalDate,
 

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

@@ -49,6 +49,7 @@ data class Student(
     @ColumnInfo(name = "student_id")
     val studentId: Int,
 
+    @Deprecated("not available in VULCAN anymore")
     @ColumnInfo(name = "user_login_id")
     val userLoginId: Int,
 
@@ -78,6 +79,13 @@ data class Student(
 
     @ColumnInfo(name = "registration_date")
     val registrationDate: Instant,
+
+    @ColumnInfo(name = "is_authorized", defaultValue = "0")
+    val isAuthorized: Boolean,
+
+    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
+    val isEduOne: Boolean?,
+
 ) : Serializable {
 
     @PrimaryKey(autoGenerate = true)
@@ -88,3 +96,22 @@ data class Student(
     @ColumnInfo(name = "avatar_color")
     var avatarColor = 0L
 }
+
+@Entity
+data class StudentIsAuthorized(
+
+    @PrimaryKey
+    var id: Long,
+
+    @ColumnInfo(name = "is_authorized", defaultValue = "NULL")
+    val isAuthorized: Boolean?,
+) : Serializable
+
+@Entity
+data class StudentIsEduOne(
+    @PrimaryKey
+    var id: Long,
+
+    @ColumnInfo(name = "is_edu_one", defaultValue = "NULL")
+    val isEduOne: Boolean?,
+) : Serializable

app/src/main/java/io/github/wulkanowy/data/db/migrations/Migration63.kt

@@ -0,0 +1,11 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.AutoMigrationSpec
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration63 : AutoMigrationSpec {
+
+    override fun onPostMigrate(db: SupportSQLiteDatabase) {
+        db.execSQL("UPDATE Students SET is_edu_one = NULL WHERE is_edu_one = 0")
+    }
+}

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

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

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

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

app/src/main/java/io/github/wulkanowy/data/mappers/DirectorInformationMapper.kt

@@ -8,7 +8,7 @@ import io.github.wulkanowy.sdk.pojo.LastAnnouncement as SdkLastAnnouncement
 @JvmName("mapDirectorInformationToEntities")
 fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
     SchoolAnnouncement(
-        userLoginId = student.userLoginId,
+        studentId = student.studentId,
         date = it.date,
         subject = it.subject,
         content = it.content,
@@ -19,7 +19,7 @@ fun List<SdkDirectorInformation>.mapToEntities(student: Student) = map {
 @JvmName("mapLastAnnouncementsToEntities")
 fun List<SdkLastAnnouncement>.mapToEntities(student: Student) = map {
     SchoolAnnouncement(
-        userLoginId = student.userLoginId,
+        studentId = student.studentId,
         date = it.date,
         subject = it.subject,
         content = it.content,

app/src/main/java/io/github/wulkanowy/data/mappers/GradeMapper.kt

@@ -37,9 +37,11 @@ fun List<SdkGradeSummary>.mapToEntities(semester: Semester) = map {
         predictedGrade = it.predicted,
         finalGrade = it.final,
         pointsSum = it.pointsSum,
+        pointsSumAllYear = it.pointsSumAllYear,
         proposedPoints = it.proposedPoints,
         finalPoints = it.finalPoints,
-        average = it.average
+        average = it.average,
+        averageAllYear = it.averageAllYear,
     )
 }
 

app/src/main/java/io/github/wulkanowy/data/mappers/MobileDeviceMapper.kt

@@ -8,7 +8,7 @@ import io.github.wulkanowy.sdk.pojo.Token as SdkToken
 
 fun List<SdkDevice>.mapToEntities(student: Student) = map {
     MobileDevice(
-        userLoginId = student.userLoginId,
+        studentId = student.studentId,
         date = it.createDate.toInstant(),
         deviceId = it.id,
         name = it.name

app/src/main/java/io/github/wulkanowy/data/mappers/RegisterUserMapper.kt

@@ -34,17 +34,19 @@ fun SdkRegisterUser.mapToPojo(password: String?) = RegisterUser(
                     error = it.error,
                     students = it.subjects
                         .filterIsInstance<SdkRegisterStudent>()
-                        .map { registerSubject ->
+                        .map { registerStudent ->
                             RegisterStudent(
-                                studentId = registerSubject.studentId,
-                                studentName = registerSubject.studentName,
-                                studentSecondName = registerSubject.studentSecondName,
-                                studentSurname = registerSubject.studentSurname,
-                                className = registerSubject.className,
-                                classId = registerSubject.classId,
-                                isParent = registerSubject.isParent,
-                                semesters = registerSubject.semesters
-                                    .mapToEntities(registerSubject.studentId),
+                                studentId = registerStudent.studentId,
+                                studentName = registerStudent.studentName,
+                                studentSecondName = registerStudent.studentSecondName,
+                                studentSurname = registerStudent.studentSurname,
+                                className = registerStudent.className,
+                                classId = registerStudent.classId,
+                                isParent = registerStudent.isParent,
+                                isAuthorized = registerStudent.isAuthorized,
+                                isEduOne = registerStudent.isEduOne,
+                                semesters = registerStudent.semesters
+                                    .mapToEntities(registerStudent.studentId),
                             )
                         },
                 )
@@ -84,6 +86,8 @@ fun RegisterStudent.mapToStudentWithSemesters(
         password = user.password.orEmpty(),
         isCurrent = false,
         registrationDate = Instant.now(),
+        isAuthorized = this.isAuthorized,
+        isEduOne = this.isEduOne,
     ).apply {
         avatarColor = colors.random()
     },

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

@@ -45,4 +45,6 @@ data class RegisterStudent(
     val classId: Int,
     val isParent: Boolean,
     val semesters: List<Semester>,
+    val isAuthorized: Boolean,
+    val isEduOne: Boolean
 ) : java.io.Serializable

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

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

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

@@ -38,7 +38,7 @@ class MobileDeviceRepository @Inject constructor(
             val isExpired = refreshHelper.shouldBeRefreshed(getRefreshKey(cacheKey, student))
             it.isEmpty() || forceRefresh || isExpired
         },
-        query = { mobileDb.loadAll(student.userLoginId) },
+        query = { mobileDb.loadAll(student.studentId) },
         fetch = {
             wulkanowySdkFactory.create(student, semester)
                 .getRegisteredDevices()

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

@@ -14,6 +14,7 @@ import io.github.wulkanowy.data.enums.AttendanceCalculatorSortingMode
 import io.github.wulkanowy.data.enums.GradeColorTheme
 import io.github.wulkanowy.data.enums.GradeExpandMode
 import io.github.wulkanowy.data.enums.GradeSortingMode
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode
 import io.github.wulkanowy.data.enums.TimetableGapsMode
 import io.github.wulkanowy.data.enums.TimetableMode
 import io.github.wulkanowy.ui.modules.dashboard.DashboardItem
@@ -213,6 +214,12 @@ class PreferencesRepository @Inject constructor(
             )
         )
 
+    val showAdditionalLessonsInPlan: ShowAdditionalLessonsMode
+        get() = getString(
+            R.string.pref_key_timetable_show_additional_lessons,
+            R.string.pref_default_timetable_show_additional_lessons
+        ).let { ShowAdditionalLessonsMode.getByValue(it) }
+
     val gradeSortingMode: GradeSortingMode
         get() = GradeSortingMode.getByValue(
             getString(

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

@@ -37,7 +37,7 @@ class SchoolAnnouncementRepository @Inject constructor(
             it.isEmpty() || forceRefresh || isExpired
         },
         query = {
-            schoolAnnouncementDb.loadAll(student.userLoginId)
+            schoolAnnouncementDb.loadAll(student.studentId)
         },
         fetch = {
             val sdk = wulkanowySdkFactory.create(student)
@@ -57,7 +57,7 @@ class SchoolAnnouncementRepository @Inject constructor(
     )
 
     fun getSchoolAnnouncementFromDatabase(student: Student): Flow<List<SchoolAnnouncement>> {
-        return schoolAnnouncementDb.loadAll(student.userLoginId)
+        return schoolAnnouncementDb.loadAll(student.studentId)
     }
 
     suspend fun updateSchoolAnnouncement(schoolAnnouncement: List<SchoolAnnouncement>) =

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

@@ -64,7 +64,10 @@ class SemesterRepository @Inject constructor(
             .getSemesters()
             .mapToEntities(student.studentId)
 
-        if (new.isEmpty()) return Timber.i("Empty semester list!")
+        if (new.isEmpty()) {
+            Timber.i("Empty semester list from SDK!")
+            return
+        }
 
         val old = semesterDb.loadAll(student.studentId, student.classId)
         semesterDb.removeOldAndSaveNew(

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

@@ -7,16 +7,19 @@ import io.github.wulkanowy.data.db.dao.SemesterDao
 import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.StudentIsAuthorized
 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 io.github.wulkanowy.data.exceptions.NoCurrentStudentException
+import io.github.wulkanowy.data.mappers.mapToEntities
 import io.github.wulkanowy.data.mappers.mapToPojo
 import io.github.wulkanowy.data.pojos.RegisterUser
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.DispatchersProvider
 import io.github.wulkanowy.utils.security.Scrambler
 import kotlinx.coroutines.withContext
+import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -39,6 +42,7 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsFromHebe(token, pin, symbol, "")
         .mapToPojo(null)
+        .also { it.logErrors() }
 
     suspend fun getUserSubjectsFromScrapper(
         email: String,
@@ -49,6 +53,7 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getUserSubjectsFromScrapper(email, password, scrapperBaseUrl, domainSuffix, symbol)
         .mapToPojo(password)
+        .also { it.logErrors() }
 
     suspend fun getStudentsHybrid(
         email: String,
@@ -58,6 +63,7 @@ class StudentRepository @Inject constructor(
     ): RegisterUser = wulkanowySdkFactory.create()
         .getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol)
         .mapToPojo(password)
+        .also { it.logErrors() }
 
     suspend fun getSavedStudents(decryptPass: Boolean = true): List<StudentWithSemesters> {
         return studentDb.loadStudentsWithSemesters().map { (student, semesters) ->
@@ -99,6 +105,46 @@ class StudentRepository @Inject constructor(
         return student
     }
 
+    suspend fun updateCurrentStudentAuthStatus() {
+        Timber.i("Check isAuthorized: started")
+        val student = getCurrentStudent()
+        if (student.isAuthorized) {
+            Timber.i("Check isAuthorized: already authorized")
+            return
+        }
+
+        val initializedSdk = wulkanowySdkFactory.create(student)
+        val newCurrentStudent = runCatching { initializedSdk.getCurrentStudent() }
+            .onFailure { Timber.e(it, "Check isAuthorized: error occurred") }
+            .getOrNull()
+
+        if (newCurrentStudent == null) {
+            Timber.d("Check isAuthorized: current user is null")
+            return
+        }
+
+        val currentStudentSemesters = semesterDb.loadAll(student.studentId, student.classId)
+        if (currentStudentSemesters.isEmpty()) {
+            Timber.d("Check isAuthorized: apply empty semesters workaround")
+            semesterDb.insertSemesters(
+                items = newCurrentStudent.semesters.mapToEntities(student.studentId),
+            )
+        }
+
+        if (!newCurrentStudent.isAuthorized) {
+            Timber.i("Check isAuthorized: authorization required")
+            throw NoAuthorizationException()
+        }
+
+        val studentIsAuthorized = StudentIsAuthorized(
+            id = student.id,
+            isAuthorized = true
+        )
+
+        Timber.i("Check isAuthorized: already authorized, update local status")
+        studentDb.update(studentIsAuthorized)
+    }
+
     suspend fun getCurrentStudent(decryptPass: Boolean = true): Student {
         val student = studentDb.loadCurrent() ?: throw NoCurrentStudentException()
 
@@ -151,15 +197,21 @@ class StudentRepository @Inject constructor(
         wulkanowySdkFactory.create(student, semester)
             .authorizePermission(pesel)
 
-    suspend fun refreshStudentName(student: Student, semester: Semester) {
-        val newCurrentApiStudent = wulkanowySdkFactory.create(student, semester)
-            .getCurrentStudent() ?: return
+    suspend fun refreshStudentAfterAuthorize(student: Student, semester: Semester) {
+        val wulkanowySdk = wulkanowySdkFactory.create(student, semester)
+            val newCurrentApiStudent = runCatching { wulkanowySdk.getCurrentStudent() }
+            .onFailure { Timber.e(it, "Can't find student with id ${student.studentId}") }
+            .getOrNull() ?: return
 
         val studentName = StudentName(
             studentName = "${newCurrentApiStudent.studentName} ${newCurrentApiStudent.studentSurname}"
         ).apply { id = student.id }
 
         studentDb.update(studentName)
+        semesterDb.removeOldAndSaveNew(
+            oldItems = semesterDb.loadAll(student.studentId, semester.classId),
+            newItems = newCurrentApiStudent.semesters.mapToEntities(newCurrentApiStudent.studentId)
+        )
     }
 
     suspend fun deleteStudentsAssociatedWithAccount(student: Student) {
@@ -172,4 +224,18 @@ class StudentRepository @Inject constructor(
             appDatabase.clearAllTables()
         }
     }
+
+    private fun RegisterUser.logErrors() {
+        val symbolsErrors = symbols.filter { it.error != null }
+            .map { it.error }
+        val unitsErrors = symbols.flatMap { it.schools }
+            .filter { it.error != null }
+            .map { it.error }
+
+        (symbolsErrors + unitsErrors).forEach { error ->
+            Timber.e(error, "Error occurred while fetching students")
+        }
+    }
 }
+
+class NoAuthorizationException : Exception()

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

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

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

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

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

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

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

@@ -17,6 +17,7 @@ import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
 import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureUnavailableException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.DispatchersProvider
@@ -48,6 +49,7 @@ class SyncWorker @AssistedInject constructor(
             val semester = semesterRepository.getCurrentSemester(student, true)
             student to semester
         } catch (e: Throwable) {
+            Timber.e(e)
             return@withContext getResultFromErrors(listOf(e))
         }
 
@@ -59,7 +61,7 @@ class SyncWorker @AssistedInject constructor(
                 null
             } catch (e: Throwable) {
                 Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
-                if (e is FeatureDisabledException || e is FeatureNotAvailableException) {
+                if (e is FeatureDisabledException || e is FeatureNotAvailableException || e is FeatureUnavailableException) {
                     null
                 } else {
                     Timber.e(e)

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

@@ -3,7 +3,7 @@ package io.github.wulkanowy.ui.base
 import android.content.Context
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
-import io.github.wulkanowy.sdk.scrapper.exception.AuthorizationRequiredException
+import io.github.wulkanowy.data.repositories.NoAuthorizationException
 import io.github.wulkanowy.sdk.scrapper.exception.CloudflareVerificationException
 import io.github.wulkanowy.sdk.scrapper.login.BadCredentialsException
 import io.github.wulkanowy.sdk.scrapper.login.PasswordChangeRequiredException
@@ -40,7 +40,7 @@ open class ErrorHandler @Inject constructor(@ApplicationContext protected val co
             is ScramblerException -> onDecryptionFailed()
             is BadCredentialsException -> onExpiredCredentials()
             is NoCurrentStudentException -> onNoCurrentStudent()
-            is AuthorizationRequiredException -> onAuthorizationRequired()
+            is NoAuthorizationException -> onAuthorizationRequired()
             is CloudflareVerificationException -> onCaptchaVerificationRequired(error.originalUrl)
         }
     }

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

@@ -1,6 +1,9 @@
 package io.github.wulkanowy.ui.modules.attendance.calculator
 
 import android.os.Bundle
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
 import android.view.View
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -9,7 +12,9 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.data.pojos.AttendanceData
 import io.github.wulkanowy.databinding.FragmentAttendanceCalculatorBinding
 import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.modules.settings.appearance.AppearanceFragment
 import io.github.wulkanowy.ui.widgets.DividerItemDecoration
 import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
@@ -33,6 +38,12 @@ class AttendanceCalculatorFragment :
 
     override val isViewEmpty get() = attendanceCalculatorAdapter.items.isEmpty()
 
+    @Suppress("DEPRECATION")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding = FragmentAttendanceCalculatorBinding.bind(view)
@@ -40,6 +51,19 @@ class AttendanceCalculatorFragment :
         presenter.onAttachView(this)
     }
 
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.action_menu_attendance_calculator, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.attendance_calculator_menu_settings) presenter.onSettingsSelected()
+        else false
+    }
+
+    override fun openSettingsView() {
+        (activity as? MainActivity)?.pushView(AppearanceFragment.withFocusedPreference(getString(R.string.pref_key_attendance_target)))
+    }
+
     override fun initView() {
         with(binding.attendanceCalculatorRecycler) {
             layoutManager = LinearLayoutManager(context)
@@ -50,7 +74,11 @@ class AttendanceCalculatorFragment :
         with(binding) {
             attendanceCalculatorSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
             attendanceCalculatorSwipe.setColorSchemeColors(requireContext().getThemeAttrColor(R.attr.colorPrimary))
-            attendanceCalculatorSwipe.setProgressBackgroundColorSchemeColor(requireContext().getThemeAttrColor(R.attr.colorSwipeRefresh))
+            attendanceCalculatorSwipe.setProgressBackgroundColorSchemeColor(
+                requireContext().getThemeAttrColor(
+                    R.attr.colorSwipeRefresh
+                )
+            )
             attendanceCalculatorErrorRetry.setOnClickListener { presenter.onRetry() }
             attendanceCalculatorErrorDetails.setOnClickListener { presenter.onDetailsClick() }
         }

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

@@ -1,6 +1,11 @@
 package io.github.wulkanowy.ui.modules.attendance.calculator
 
-import io.github.wulkanowy.data.*
+import io.github.wulkanowy.data.flatResourceFlow
+import io.github.wulkanowy.data.logResourceStatus
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
+import io.github.wulkanowy.data.onResourceIntermediate
+import io.github.wulkanowy.data.onResourceNotLoading
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.domain.attendance.GetAttendanceCalculatorDataUseCase
@@ -81,4 +86,9 @@ class AttendanceCalculatorPresenter @Inject constructor(
             } else showError(message, error)
         }
     }
+
+    fun onSettingsSelected(): Boolean {
+        view?.openSettingsView()
+        return true
+    }
 }

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

@@ -26,4 +26,6 @@ interface AttendanceCalculatorView : BaseView {
     fun updateData(data: List<AttendanceData>)
 
     fun clearView()
+
+    fun openSettingsView()
 }

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

@@ -5,6 +5,7 @@ import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import kotlinx.coroutines.launch
+import timber.log.Timber
 import javax.inject.Inject
 
 class AuthPresenter @Inject constructor(
@@ -26,8 +27,12 @@ class AuthPresenter @Inject constructor(
 
     private fun loadName() {
         presenterScope.launch {
-            runCatching { studentRepository.getCurrentStudent(false) }
-                .onSuccess { view?.showDescriptionWithName(it.studentName) }
+            runCatching {
+                studentRepository.getCurrentStudent(false)
+                    .studentName
+                    .replace(" ", "\u00A0")
+            }
+                .onSuccess { view?.showDescriptionWithName(it) }
                 .onFailure { errorHandler.dispatch(it) }
         }
     }
@@ -57,8 +62,9 @@ class AuthPresenter @Inject constructor(
                 val semester = semesterRepository.getCurrentSemester(student)
 
                 val isSuccess = studentRepository.authorizePermission(student, semester, pesel)
+                Timber.d("Auth succeed: $isSuccess")
                 if (isSuccess) {
-                    studentRepository.refreshStudentName(student, semester)
+                    studentRepository.refreshStudentAfterAuthorize(student, semester)
                 }
                 isSuccess
             }
@@ -68,6 +74,7 @@ class AuthPresenter @Inject constructor(
                     view?.showContent(true)
                 }
                 .onSuccess {
+                    Timber.d("Auth fully succeed: $it")
                     if (it) {
                         view?.showSuccess(true)
                         view?.showContent(false)

app/src/main/java/io/github/wulkanowy/ui/modules/debug/notification/mock/gradeSummary.kt

@@ -26,5 +26,7 @@ private fun generateSummary(subject: String, predicted: String, final: String) =
     proposedPoints = "",
     finalPoints = "",
     pointsSum = "",
-    average = .0
+    average = .0,
+    pointsSumAllYear = null,
+    averageAllYear = null,
 )

app/src/main/java/io/github/wulkanowy/ui/modules/debug/notification/mock/schoolAnnouncement.kt

@@ -19,6 +19,6 @@ val debugSchoolAnnouncementItems = listOf(
 private fun generateAnnouncement(subject: String, content: String) = SchoolAnnouncement(
     subject = subject,
     content = content,
-    userLoginId = 0,
+    studentId = 0,
     date = LocalDate.now()
 )

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

@@ -266,7 +266,9 @@ class GradeAverageProvider @Inject constructor(
                 proposedPoints = "",
                 finalPoints = "",
                 pointsSum = "",
-                average = .0
+                pointsSumAllYear = null,
+                average = .0,
+                averageAllYear = null,
             )
         }
 
@@ -294,13 +296,15 @@ class GradeAverageProvider @Inject constructor(
                 proposedPoints = "",
                 finalPoints = "",
                 pointsSum = "",
+                pointsSumAllYear = null,
                 average = when {
                     calcAverage -> details
                         .updateModifiers(student, params)
                         .calcAverage(isOptionalArithmeticAverage = params.isOptionalArithmeticAverage)
 
                     else -> .0
-                }
+                },
+                averageAllYear = null,
             )
         }
     }

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

@@ -7,7 +7,6 @@ import android.view.MenuItem
 import android.view.View
 import android.view.View.INVISIBLE
 import android.view.View.VISIBLE
-import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.tabs.TabLayoutMediator
 import dagger.hilt.android.AndroidEntryPoint
@@ -31,14 +30,6 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     @Inject
     lateinit var presenter: GradePresenter
 
-    private val pagerAdapter by lazy {
-        BaseFragmentPagerAdapter(
-            fragmentManager = childFragmentManager,
-            pagesCount = 3,
-            lifecycle = lifecycle,
-        )
-    }
-
     private var semesterSwitchMenu: MenuItem? = null
 
     companion object {
@@ -52,6 +43,8 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
 
     override val currentPageIndex get() = binding.gradeViewPager.currentItem
 
+    private var pagerAdapter: BaseFragmentPagerAdapter? = null
+
     @Suppress("DEPRECATION")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -71,13 +64,26 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun initView() {
+        with(binding) {
+            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
+            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun initTabs(pageCount: Int) {
+        pagerAdapter = BaseFragmentPagerAdapter(
+            lifecycle = lifecycle,
+            pagesCount = pageCount,
+            fragmentManager = childFragmentManager
+        )
+
         with(binding.gradeViewPager) {
             adapter = pagerAdapter
             offscreenPageLimit = 3
             setOnSelectPageListener(presenter::onPageSelected)
         }
 
-        with(pagerAdapter) {
+        with(pagerAdapter!!) {
             containerId = binding.gradeViewPager.id
             titleFactory = {
                 when (it) {
@@ -99,11 +105,6 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
         }
 
         binding.gradeTabLayout.elevation = requireContext().dpToPx(4f)
-
-        with(binding) {
-            gradeErrorRetry.setOnClickListener { presenter.onRetry() }
-            gradeErrorDetails.setOnClickListener { presenter.onDetailsClick() }
-        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
@@ -169,19 +170,20 @@ class GradeFragment : BaseFragment<FragmentGradeBinding>(R.layout.fragment_grade
     }
 
     override fun notifyChildLoadData(index: Int, semesterId: Int, forceRefresh: Boolean) {
-        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)
+        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)
             ?.onParentLoadData(semesterId, forceRefresh)
     }
 
     override fun notifyChildParentReselected(index: Int) {
-        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
+        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentReselected()
     }
 
     override fun notifyChildSemesterChange(index: Int) {
-        (pagerAdapter.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
+        (pagerAdapter?.getFragmentInstance(index) as? GradeView.GradeChildView)?.onParentChangeSemester()
     }
 
     override fun onDestroyView() {
+        pagerAdapter = null
         presenter.onDetachView()
         super.onDestroyView()
     }

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

@@ -22,11 +22,8 @@ class GradePresenter @Inject constructor(
 ) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     private var selectedIndex = 0
-
     private var schoolYear = 0
-
-    private var semesters = emptyList<Semester>()
-
+    private var availableSemesters = emptyList<Semester>()
     private val loadedSemesterId = mutableMapOf<Int, Int>()
 
     private lateinit var lastError: Throwable
@@ -40,7 +37,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onCreateMenu() {
-        if (semesters.isEmpty()) view?.showSemesterSwitch(false)
+        if (availableSemesters.isEmpty()) view?.showSemesterSwitch(false)
     }
 
     fun onViewReselected() {
@@ -49,8 +46,8 @@ class GradePresenter @Inject constructor(
     }
 
     fun onSemesterSwitch(): Boolean {
-        if (semesters.isNotEmpty()) {
-            view?.showSemesterDialog(selectedIndex - 1, semesters.take(2))
+        if (availableSemesters.isNotEmpty()) {
+            view?.showSemesterDialog(selectedIndex - 1, availableSemesters.take(2))
         }
         return true
     }
@@ -83,7 +80,7 @@ class GradePresenter @Inject constructor(
     }
 
     fun onPageSelected(index: Int) {
-        if (semesters.isNotEmpty()) loadChild(index)
+        if (availableSemesters.isNotEmpty()) loadChild(index)
     }
 
     fun onRetry() {
@@ -101,16 +98,24 @@ class GradePresenter @Inject constructor(
     private fun loadData() {
         resourceFlow {
             val student = studentRepository.getCurrentStudent()
-            semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
+            val semesters = semesterRepository.getSemesters(student, refreshOnNoCurrent = true)
+
+            student to semesters
         }
             .logResourceStatus("load grade data")
-            .onResourceData {
-                val current = it.getCurrentOrLast()
-                selectedIndex = if (selectedIndex == 0) current.semesterName else selectedIndex
-                schoolYear = current.schoolYear
-                semesters = it.filter { semester -> semester.diaryId == current.diaryId }
-                view?.setCurrentSemesterName(current.semesterName, schoolYear)
+            .onResourceData { (student, semesters) ->
+                val currentSemester = semesters.getCurrentOrLast()
+                selectedIndex =
+                    if (selectedIndex == 0) currentSemester.semesterName else selectedIndex
+                schoolYear = currentSemester.schoolYear
+                availableSemesters = semesters.filter { semester ->
+                    semester.diaryId == currentSemester.diaryId
+                }
+
                 view?.run {
+                    initTabs(if (student.isEduOne == true) 2 else 3)
+                    setCurrentSemesterName(currentSemester.semesterName, schoolYear)
+
                     Timber.i("Loading grade data: Attempt load index $currentPageIndex")
                     loadChild(currentPageIndex)
                     showErrorView(false)
@@ -131,10 +136,10 @@ class GradePresenter @Inject constructor(
     }
 
     private fun loadChild(index: Int, forceRefresh: Boolean = false) {
-        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${semesters.joinToString { it.semesterName.toString() }}")
+        Timber.d("Load grade tab child. Selected semester: $selectedIndex, semesters: ${availableSemesters.joinToString { it.semesterName.toString() }}")
 
         val newSelectedSemesterId = try {
-            semesters.first { it.semesterName == selectedIndex }.semesterId
+            availableSemesters.first { it.semesterName == selectedIndex }.semesterId
         } catch (e: NoSuchElementException) {
             Timber.e(e, "Selected semester no exists")
             return

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

@@ -9,6 +9,8 @@ interface GradeView : BaseView {
 
     fun initView()
 
+    fun initTabs(pageCount: Int)
+
     fun showContent(show: Boolean)
 
     fun showProgress(show: Boolean)

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

@@ -96,9 +96,11 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
             ViewType.HEADER.id -> HeaderViewHolder(
                 HeaderGradeDetailsBinding.inflate(inflater, parent, false)
             )
+
             ViewType.ITEM.id -> ItemViewHolder(
                 ItemGradeDetailsBinding.inflate(inflater, parent, false)
             )
+
             else -> throw IllegalStateException()
         }
     }
@@ -110,6 +112,7 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
                 header = items[position].value as GradeDetailsHeader,
                 position = position
             )
+
             is ItemViewHolder -> bindItemViewHolder(
                 holder = holder,
                 grade = items[position].value as Grade
@@ -133,6 +136,10 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
                 maxLines = if (expandedPositions[headerPosition]) 2 else 1
             }
             gradeHeaderAverage.text = formatAverage(header.average, root.context.resources)
+            with(gradeHeaderAverageAllYear) {
+                isVisible = header.averageAllYear != null && header.averageAllYear != .0
+                text = formatAverageAllYear(header.averageAllYear, root.context.resources)
+            }
             gradeHeaderPointsSum.text =
                 context.getString(R.string.grade_points_sum, header.pointsSum)
             gradeHeaderPointsSum.isVisible = !header.pointsSum.isNullOrEmpty()
@@ -233,6 +240,13 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
             resources.getString(R.string.grade_average, average)
         }
 
+    private fun formatAverageAllYear(average: Double?, resources: Resources) =
+        if (average == null || average == .0) {
+            resources.getString(R.string.grade_no_average)
+        } else {
+            resources.getString(R.string.grade_average_year, average)
+        }
+
     private class HeaderViewHolder(val binding: HeaderGradeDetailsBinding) :
         RecyclerView.ViewHolder(binding.root)
 

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

@@ -13,6 +13,7 @@ data class GradeDetailsItem(
 data class GradeDetailsHeader(
     val subject: String,
     val average: Double?,
+    val averageAllYear: Double?,
     val pointsSum: String?,
     val grades: List<GradeDetailsItem>
 ) {

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

@@ -226,8 +226,9 @@ class GradeDetailsPresenter @Inject constructor(
                         GradeDetailsHeader(
                             subject = gradeSubject.subject,
                             average = gradeSubject.average,
+                            averageAllYear = gradeSubject.summary.averageAllYear,
                             pointsSum = gradeSubject.points,
-                            grades = subItems
+                            grades = subItems,
                         ).apply {
                             newGrades = gradeSubject.grades.filter { grade -> !grade.isRead }.size
                         }, ViewType.HEADER

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.modules.grade.summary
 import android.annotation.SuppressLint
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.R
@@ -65,37 +66,55 @@ class GradeSummaryAdapter @Inject constructor(
         val gradeSummaries = items
             .filter { it.gradeDescriptive == null }
             .map { it.gradeSummary }
+        val isSecondSemester = items.any { item ->
+            item.gradeSummary.let { it.averageAllYear != null && it.averageAllYear != .0 }
+        }
 
         val context = binding.root.context
         val finalItemsCount = gradeSummaries.count { isGradeValid(it.finalGrade) }
-        val calculatedItemsCount = gradeSummaries.count { value -> value.average != 0.0 }
+        val calculatedSemesterItemsCount = gradeSummaries.count { value -> value.average != 0.0 }
+        val calculatedAnnualItemsCount =
+            gradeSummaries.count { value -> value.averageAllYear != 0.0 }
         val allItemsCount = gradeSummaries.count { !it.subject.equals("zachowanie", true) }
         val finalAverage = gradeSummaries.calcFinalAverage(
-            preferencesRepository.gradePlusModifier,
-            preferencesRepository.gradeMinusModifier
+            plusModifier = preferencesRepository.gradePlusModifier,
+            minusModifier = preferencesRepository.gradeMinusModifier,
         )
-        val calculatedAverage = gradeSummaries.filter { value -> value.average != 0.0 }
+        val calculatedSemesterAverage = gradeSummaries.filter { value -> value.average != 0.0 }
             .map { values -> values.average }
             .reversed() // fix average precision
             .average()
             .let { if (it.isNaN()) 0.0 else it }
+        val calculatedAnnualAverage = gradeSummaries.filter { value -> value.averageAllYear != 0.0 }
+            .mapNotNull { values -> values.averageAllYear }
+            .reversed() // fix average precision
+            .average()
+            .let { if (it.isNaN()) 0.0 else it }
 
         with(binding) {
+            gradeSummaryScrollableHeaderCalculated.text = formatAverage(calculatedSemesterAverage)
+            gradeSummaryScrollableHeaderCalculatedAnnual.text =
+                formatAverage(calculatedAnnualAverage)
             gradeSummaryScrollableHeaderFinal.text = formatAverage(finalAverage)
-            gradeSummaryScrollableHeaderCalculated.text = formatAverage(calculatedAverage)
-            gradeSummaryScrollableHeaderFinalSubjectCount.text =
-                context.getString(
-                    R.string.grade_summary_from_subjects,
-                    finalItemsCount,
-                    allItemsCount
-                )
-            gradeSummaryScrollableHeaderCalculatedSubjectCount.text = context.getString(
+            gradeSummaryScrollableHeaderFinalSubjectCount.text = context.getString(
                 R.string.grade_summary_from_subjects,
-                calculatedItemsCount,
+                finalItemsCount,
                 allItemsCount
             )
+            gradeSummaryScrollableHeaderCalculatedSubjectCount.text = context.getString(
+                R.string.grade_summary_from_subjects,
+                calculatedSemesterItemsCount,
+                allItemsCount
+            )
+            gradeSummaryScrollableHeaderCalculatedSubjectCountAnnual.text = context.getString(
+                R.string.grade_summary_from_subjects,
+                calculatedAnnualItemsCount,
+                allItemsCount
+            )
+            gradeSummaryScrollableHeaderCalculatedAnnualContainer.isVisible = isSecondSemester
 
             gradeSummaryCalculatedAverageHelp.setOnClickListener { onCalculatedHelpClickListener() }
+            gradeSummaryCalculatedAverageHelpAnnual.setOnClickListener { onCalculatedHelpClickListener() }
             gradeSummaryFinalAverageHelp.setOnClickListener { onFinalHelpClickListener() }
         }
     }
@@ -107,7 +126,12 @@ class GradeSummaryAdapter @Inject constructor(
         with(binding) {
             gradeSummaryItemTitle.text = gradeSummary.subject
             gradeSummaryItemPoints.text = gradeSummary.pointsSum
+
             gradeSummaryItemAverage.text = formatAverage(gradeSummary.average, "")
+            gradeSummaryItemAverageAllYear.text = gradeSummary.averageAllYear?.let {
+                formatAverage(it, "")
+            }
+
             gradeSummaryItemPredicted.text =
                 "${gradeSummary.predictedGrade} ${gradeSummary.proposedPoints}".trim()
             gradeSummaryItemFinal.text =
@@ -116,6 +140,12 @@ class GradeSummaryAdapter @Inject constructor(
                 root.context.getString(R.string.all_no_data)
             }
 
+            gradeSummaryItemAverageContainer.isVisible = gradeSummary.average != .0
+            gradeSummaryItemAverageDivider.isVisible = gradeSummaryItemAverageContainer.isVisible
+            gradeSummaryItemAverageAllYearContainer.isGone =
+                gradeSummary.averageAllYear == null || gradeSummary.averageAllYear == .0
+            gradeSummaryItemAverageAllYearDivider.isGone =
+                gradeSummaryItemAverageAllYearContainer.isGone
             gradeSummaryItemFinalDivider.isVisible = gradeDescriptive == null
             gradeSummaryItemPredictedDivider.isVisible = gradeDescriptive == null
             gradeSummaryItemPointsDivider.isVisible = gradeDescriptive == null
@@ -123,6 +153,7 @@ class GradeSummaryAdapter @Inject constructor(
             gradeSummaryItemFinalContainer.isVisible = gradeDescriptive == null
             gradeSummaryItemDescriptiveContainer.isVisible = gradeDescriptive != null
             gradeSummaryItemPointsContainer.isVisible = gradeSummary.pointsSum.isNotBlank()
+            gradeSummaryItemPointsDivider.isVisible = gradeSummaryItemPointsContainer.isVisible
         }
     }
 

app/src/main/java/io/github/wulkanowy/ui/modules/homework/add/HomeworkAddDialog.kt

@@ -98,7 +98,9 @@ class HomeworkAddDialog : BaseDialogFragment<DialogHomeworkAddBinding>(), Homewo
             rangeEnd = LocalDate.now().lastSchoolDayInSchoolYear,
             onDateSelected = {
                 date = it
-                binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
+                if (isAdded) {
+                    binding.homeworkDialogDate.editText?.setText(date!!.toFormattedString())
+                }
             }
         )
     }

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

@@ -19,19 +19,23 @@ class LoginStudentSelectAdapter @Inject constructor() :
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
-        return when (LoginStudentSelectItemType.values()[viewType]) {
+        return when (LoginStudentSelectItemType.entries[viewType]) {
             LoginStudentSelectItemType.EMPTY_SYMBOLS_HEADER -> EmptySymbolsHeaderViewHolder(
                 ItemLoginStudentSelectEmptySymbolHeaderBinding.inflate(inflater, parent, false),
             )
+
             LoginStudentSelectItemType.SYMBOL_HEADER -> SymbolsHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSymbolBinding.inflate(inflater, parent, false)
             )
+
             LoginStudentSelectItemType.SCHOOL_HEADER -> SchoolHeaderViewHolder(
                 ItemLoginStudentSelectHeaderSchoolBinding.inflate(inflater, parent, false)
             )
+
             LoginStudentSelectItemType.STUDENT -> StudentViewHolder(
                 ItemLoginStudentSelectStudentBinding.inflate(inflater, parent, false)
             )
+
             LoginStudentSelectItemType.HELP -> HelpViewHolder(
                 ItemLoginStudentSelectHelpBinding.inflate(inflater, parent, false)
             )
@@ -98,9 +102,11 @@ class LoginStudentSelectAdapter @Inject constructor() :
             with(binding) {
                 loginStudentSelectHeaderSchoolName.text = buildString {
                     append(item.unit.schoolName.trim())
-                    append(" (")
-                    append(item.unit.schoolShortName)
-                    append(")")
+                    if (item.unit.schoolShortName.isNotBlank()) {
+                        append(" (")
+                        append(item.unit.schoolShortName)
+                        append(")")
+                    }
                 }
                 loginStudentSelectHeaderSchoolDetails.isVisible = item.unit.students.isEmpty()
                 loginStudentSelectHeaderSchoolError.text = item.unit.error?.message
@@ -170,9 +176,11 @@ class LoginStudentSelectAdapter @Inject constructor() :
             oldItem is LoginStudentSelectItem.SymbolHeader && newItem is LoginStudentSelectItem.SymbolHeader -> {
                 oldItem.symbol == newItem.symbol
             }
+
             oldItem is LoginStudentSelectItem.Student && newItem is LoginStudentSelectItem.Student -> {
                 oldItem.student == newItem.student
             }
+
             else -> oldItem == newItem
         }
 

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

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

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

@@ -2,16 +2,24 @@ package io.github.wulkanowy.ui.modules.login.studentselect
 
 import io.github.wulkanowy.data.Resource
 import io.github.wulkanowy.data.dataOrNull
+import io.github.wulkanowy.data.db.entities.AdminMessage
 import io.github.wulkanowy.data.db.entities.StudentWithSemesters
+import io.github.wulkanowy.data.enums.MessageType
+import io.github.wulkanowy.data.flatResourceFlow
 import io.github.wulkanowy.data.logResourceStatus
 import io.github.wulkanowy.data.mappers.mapToStudentWithSemesters
+import io.github.wulkanowy.data.onResourceData
+import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.pojos.RegisterStudent
 import io.github.wulkanowy.data.pojos.RegisterSymbol
 import io.github.wulkanowy.data.pojos.RegisterUnit
 import io.github.wulkanowy.data.pojos.RegisterUser
+import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SchoolsRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
 import io.github.wulkanowy.data.resourceFlow
+import io.github.wulkanowy.domain.adminmessage.GetAppropriateAdminMessageUseCase
+import io.github.wulkanowy.sdk.scrapper.exception.StudentGraduateException
 import io.github.wulkanowy.sdk.scrapper.login.InvalidSymbolException
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -32,6 +40,8 @@ class LoginStudentSelectPresenter @Inject constructor(
     private val syncManager: SyncManager,
     private val analytics: AnalyticsHelper,
     private val appInfo: AppInfo,
+    private val preferencesRepository: PreferencesRepository,
+    private val getAppropriateAdminMessageUseCase: GetAppropriateAdminMessageUseCase
 ) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
@@ -64,6 +74,7 @@ class LoginStudentSelectPresenter @Inject constructor(
         this.loginData = loginData
         this.registerUser = registerUser
         loadData()
+        loadAdminMessage()
     }
 
     private fun loadData() {
@@ -87,7 +98,20 @@ class LoginStudentSelectPresenter @Inject constructor(
                     refreshItems()
                 }
             }
-        }.launch()
+        }.launch("load_data")
+    }
+
+    private fun loadAdminMessage() {
+        flatResourceFlow {
+            getAppropriateAdminMessageUseCase(
+                scrapperBaseUrl = registerUser.scrapperBaseUrl.orEmpty(),
+                type = MessageType.LOGIN_STUDENT_SELECT_MESSAGE,
+            )
+        }
+            .logResourceStatus("load login admin message")
+            .onResourceData { view?.showAdminMessage(it) }
+            .onResourceError { view?.showAdminMessage(null) }
+            .launch("load_admin_message")
     }
 
     private fun getStudentsWithCurrentlyActiveSemesters(): List<LoginStudentSelectItem.Student> {
@@ -108,8 +132,8 @@ class LoginStudentSelectPresenter @Inject constructor(
     }
 
     private fun createItems(): List<LoginStudentSelectItem> = buildList {
-        val notEmptySymbols = registerUser.symbols.filter { it.schools.isNotEmpty() }
-        val emptySymbols = registerUser.symbols.filter { it.schools.isEmpty() }
+        val notEmptySymbols = registerUser.symbols.filter { it.shouldShowOnTop() }
+        val emptySymbols = registerUser.symbols.filter { !it.shouldShowOnTop() }
 
         if (emptySymbols.isNotEmpty() && notEmptySymbols.isNotEmpty() && emptySymbols.any { it.symbol == loginData.userEnteredSymbol }) {
             add(createEmptySymbolItem(emptySymbols.first { it.symbol == loginData.userEnteredSymbol }))
@@ -127,6 +151,10 @@ class LoginStudentSelectPresenter @Inject constructor(
         add(helpItem)
     }
 
+    private fun RegisterSymbol.shouldShowOnTop(): Boolean {
+        return schools.isNotEmpty() || error is StudentGraduateException
+    }
+
     private fun createNotEmptySymbolItems(
         notEmptySymbols: List<RegisterSymbol>,
         students: List<StudentWithSemesters>,
@@ -336,4 +364,14 @@ class LoginStudentSelectPresenter @Inject constructor(
             )
         }
     }
+
+    fun onAdminMessageSelected(url: String?) {
+        url?.let { view?.openInternetBrowser(it) }
+    }
+
+    fun onAdminMessageDismissed(adminMessage: AdminMessage) {
+        preferencesRepository.dismissedAdminMessageIds += adminMessage.id
+
+        view?.showAdminMessage(null)
+    }
 }

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -73,6 +73,7 @@ class MainPresenter @Inject constructor(
         syncManager.startPeriodicSyncWorker()
 
         checkAppSupport()
+        updateCurrentStudentAuthStatus()
 
         analytics.logEvent("app_open", "destination" to initDestination.toString())
         Timber.i("Main view was initialized with $initDestination")
@@ -191,4 +192,11 @@ class MainPresenter @Inject constructor(
 
         view?.showStudentAvatar(currentStudent)
     }
+
+    private fun updateCurrentStudentAuthStatus() {
+        presenterScope.launch {
+            runCatching { studentRepository.updateCurrentStudentAuthStatus() }
+                .onFailure { errorHandler.dispatch(it) }
+        }
+    }
 }

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.modules.settings.appearance
 import android.content.SharedPreferences
 import android.os.Bundle
 import android.view.View
+import androidx.core.os.bundleOf
 import androidx.preference.PreferenceFragmentCompat
 import androidx.preference.SeekBarPreference
 import com.yariksoffice.lingver.Lingver
@@ -30,9 +31,18 @@ class AppearanceFragment : PreferenceFragmentCompat(),
 
     override val titleStringId get() = R.string.pref_settings_appearance_title
 
+    companion object {
+        fun withFocusedPreference(key: String) = AppearanceFragment().apply {
+            arguments = bundleOf(FOCUSED_KEY to key)
+        }
+
+        private const val FOCUSED_KEY = "focusedKey"
+    }
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         presenter.onAttachView(this)
+        arguments?.getString(FOCUSED_KEY)?.let { scrollToPreference(it) }
     }
 
     override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {

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

@@ -7,27 +7,28 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.DiffUtil
-import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.databinding.ItemTimetableBinding
 import io.github.wulkanowy.databinding.ItemTimetableEmptyBinding
+import io.github.wulkanowy.databinding.ItemTimetableMainAdditionalBinding
 import io.github.wulkanowy.databinding.ItemTimetableSmallBinding
+import io.github.wulkanowy.utils.SyncListAdapter
 import io.github.wulkanowy.utils.getPlural
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.toFormattedString
 import javax.inject.Inject
 
 class TimetableAdapter @Inject constructor() :
-    ListAdapter<TimetableItem, RecyclerView.ViewHolder>(differ) {
+    SyncListAdapter<TimetableItem, RecyclerView.ViewHolder>(Differ) {
 
     override fun getItemViewType(position: Int): Int = getItem(position).type.ordinal
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
 
-        return when (TimetableItemType.values()[viewType]) {
+        return when (TimetableItemType.entries[viewType]) {
             TimetableItemType.SMALL -> SmallViewHolder(
                 ItemTimetableSmallBinding.inflate(inflater, parent, false)
             )
@@ -39,6 +40,10 @@ class TimetableAdapter @Inject constructor() :
             TimetableItemType.EMPTY -> EmptyViewHolder(
                 ItemTimetableEmptyBinding.inflate(inflater, parent, false)
             )
+
+            TimetableItemType.ADDITIONAL -> AdditionalViewHolder(
+                ItemTimetableMainAdditionalBinding.inflate(inflater, parent, false)
+            )
         }
     }
 
@@ -61,16 +66,30 @@ class TimetableAdapter @Inject constructor() :
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Small,
             )
-
             is NormalViewHolder -> bindNormalView(
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Normal,
             )
-
             is EmptyViewHolder -> bindEmptyView(
                 binding = holder.binding,
                 item = getItem(position) as TimetableItem.Empty,
             )
+
+            is AdditionalViewHolder -> bindAdditionalView(
+                binding = holder.binding,
+                item = getItem(position) as TimetableItem.Additional,
+            )
+        }
+    }
+
+    private fun bindAdditionalView(
+        binding: ItemTimetableMainAdditionalBinding,
+        item: TimetableItem.Additional
+    ) {
+        with(binding) {
+            timetableItemSubject.text = item.additional.subject
+            timetableItemTimeStart.text = item.additional.start.toFormattedString("HH:mm")
+            timetableItemTimeFinish.text = item.additional.end.toFormattedString("HH:mm")
         }
     }
 
@@ -79,6 +98,7 @@ class TimetableAdapter @Inject constructor() :
 
         with(binding) {
             timetableSmallItemNumber.text = lesson.number.toString()
+            timetableSmallItemNumber.isVisible = item.isLessonNumberVisible
             timetableSmallItemSubject.text = lesson.subject
             timetableSmallItemTimeStart.text = lesson.start.toFormattedString("HH:mm")
             timetableSmallItemRoom.text = lesson.room
@@ -97,6 +117,7 @@ class TimetableAdapter @Inject constructor() :
 
         with(binding) {
             timetableItemNumber.text = lesson.number.toString()
+            timetableItemNumber.isVisible = item.isLessonNumberVisible
             timetableItemSubject.text = lesson.subject
             timetableItemGroup.text = lesson.group
             timetableItemRoom.text = lesson.room
@@ -305,31 +326,32 @@ class TimetableAdapter @Inject constructor() :
     private class EmptyViewHolder(val binding: ItemTimetableEmptyBinding) :
         RecyclerView.ViewHolder(binding.root)
 
-    companion object {
-        private val differ = object : DiffUtil.ItemCallback<TimetableItem>() {
-            override fun areItemsTheSame(oldItem: TimetableItem, newItem: TimetableItem): Boolean =
-                when {
-                    oldItem is TimetableItem.Small && newItem is TimetableItem.Small -> {
-                        oldItem.lesson.start == newItem.lesson.start
-                    }
+    private class AdditionalViewHolder(val binding: ItemTimetableMainAdditionalBinding) :
+        RecyclerView.ViewHolder(binding.root)
 
-                    oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal -> {
-                        oldItem.lesson.start == newItem.lesson.start
-                    }
-
-                    else -> oldItem == newItem
+    private object Differ : DiffUtil.ItemCallback<TimetableItem>() {
+        override fun areItemsTheSame(oldItem: TimetableItem, newItem: TimetableItem): Boolean =
+            when {
+                oldItem is TimetableItem.Small && newItem is TimetableItem.Small -> {
+                    oldItem.lesson.start == newItem.lesson.start
                 }
 
-            override fun areContentsTheSame(oldItem: TimetableItem, newItem: TimetableItem) =
-                oldItem == newItem
+                oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal -> {
+                    oldItem.lesson.start == newItem.lesson.start
+                }
 
-            override fun getChangePayload(oldItem: TimetableItem, newItem: TimetableItem): Any? {
-                return if (oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal) {
-                    if (oldItem.lesson == newItem.lesson && oldItem.showGroupsInPlan == newItem.showGroupsInPlan && oldItem.timeLeft != newItem.timeLeft) {
-                        "time_left"
-                    } else super.getChangePayload(oldItem, newItem)
-                } else super.getChangePayload(oldItem, newItem)
+                else -> oldItem == newItem
             }
+
+        override fun areContentsTheSame(oldItem: TimetableItem, newItem: TimetableItem) =
+            oldItem == newItem
+
+        override fun getChangePayload(oldItem: TimetableItem, newItem: TimetableItem): Any? {
+            return if (oldItem is TimetableItem.Normal && newItem is TimetableItem.Normal) {
+                if (oldItem.lesson == newItem.lesson && oldItem.showGroupsInPlan == newItem.showGroupsInPlan && oldItem.timeLeft != newItem.timeLeft) {
+                    "time_left"
+                } else super.getChangePayload(oldItem, newItem)
+            } else super.getChangePayload(oldItem, newItem)
         }
     }
 }

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

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

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

@@ -1,18 +1,21 @@
 package io.github.wulkanowy.ui.modules.timetable
 
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
 import java.time.Duration
 
 sealed class TimetableItem(val type: TimetableItemType) {
 
     data class Small(
         val lesson: Timetable,
+        val isLessonNumberVisible: Boolean,
         val onClick: (Timetable) -> Unit,
     ) : TimetableItem(TimetableItemType.SMALL)
 
     data class Normal(
         val lesson: Timetable,
         val showGroupsInPlan: Boolean,
+        val isLessonNumberVisible: Boolean,
         val timeLeft: TimeLeft?,
         val onClick: (Timetable) -> Unit,
     ) : TimetableItem(TimetableItemType.NORMAL)
@@ -21,6 +24,10 @@ sealed class TimetableItem(val type: TimetableItemType) {
         val numFrom: Int,
         val numTo: Int
     ) : TimetableItem(TimetableItemType.EMPTY)
+
+    data class Additional(
+        val additional: TimetableAdditional,
+    ) : TimetableItem(TimetableItemType.ADDITIONAL)
 }
 
 data class TimeLeft(
@@ -32,5 +39,6 @@ data class TimeLeft(
 enum class TimetableItemType {
     SMALL,
     NORMAL,
-    EMPTY
+    EMPTY,
+    ADDITIONAL,
 }

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

@@ -4,6 +4,9 @@ import android.os.Handler
 import android.os.Looper
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.db.entities.TimetableAdditional
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode.BELOW
+import io.github.wulkanowy.data.enums.ShowAdditionalLessonsMode.NONE
 import io.github.wulkanowy.data.enums.TimetableGapsMode.BETWEEN_AND_BEFORE_LESSONS
 import io.github.wulkanowy.data.enums.TimetableGapsMode.NO_GAPS
 import io.github.wulkanowy.data.enums.TimetableMode
@@ -14,6 +17,7 @@ import io.github.wulkanowy.data.onResourceError
 import io.github.wulkanowy.data.onResourceIntermediate
 import io.github.wulkanowy.data.onResourceNotLoading
 import io.github.wulkanowy.data.onResourceSuccess
+import io.github.wulkanowy.data.pojos.TimetableFull
 import io.github.wulkanowy.data.repositories.PreferencesRepository
 import io.github.wulkanowy.data.repositories.SemesterRepository
 import io.github.wulkanowy.data.repositories.StudentRepository
@@ -57,6 +61,7 @@ class TimetablePresenter @Inject constructor(
 
     private var initialDate: LocalDate? = null
     private var isWeekendHasLessons: Boolean = false
+    private var isEduOne: Boolean = false
 
     var currentDate: LocalDate? = null
         private set
@@ -80,7 +85,7 @@ class TimetablePresenter @Inject constructor(
         } else currentDate?.previousSchoolDay
 
         reloadView(date ?: return)
-        loadData()
+        loadData(isDayChanged = true)
     }
 
     fun onNextDay() {
@@ -89,7 +94,7 @@ class TimetablePresenter @Inject constructor(
         } else currentDate?.nextSchoolDay
 
         reloadView(date ?: return)
-        loadData()
+        loadData(isDayChanged = true)
     }
 
     fun onPickDate() {
@@ -103,7 +108,7 @@ class TimetablePresenter @Inject constructor(
 
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the timetable")
-        loadData(true)
+        loadData(forceRefresh = true)
     }
 
     fun onRetry() {
@@ -111,7 +116,7 @@ class TimetablePresenter @Inject constructor(
             showErrorView(false)
             showProgress(true)
         }
-        loadData(true)
+        loadData(forceRefresh = true)
     }
 
     fun onDetailsClick() {
@@ -144,11 +149,12 @@ class TimetablePresenter @Inject constructor(
         return true
     }
 
-    private fun loadData(forceRefresh: Boolean = false) {
+    private fun loadData(forceRefresh: Boolean = false, isDayChanged: Boolean = false) {
         flatResourceFlow {
             val student = studentRepository.getCurrentStudent()
             val semester = semesterRepository.getCurrentSemester(student)
 
+            isEduOne = student.isEduOne == true
             checkInitialAndCurrentDate(semester)
             timetableRepository.getTimetable(
                 student = student,
@@ -167,9 +173,9 @@ class TimetablePresenter @Inject constructor(
                     enableSwipe(true)
                     showProgress(false)
                     showErrorView(false)
-                    showContent(it.lessons.isNotEmpty())
-                    showEmpty(it.lessons.isEmpty())
-                    updateData(it.lessons)
+                    updateData(it, isDayChanged)
+                    showContent(it.lessons.isNotEmpty() || it.additional.isNotEmpty())
+                    showEmpty(it.lessons.isEmpty() && it.additional.isEmpty())
                     setDayHeaderMessage(it.headers.find { header -> header.date == currentDate }?.content)
                     reloadNavigation()
                 }
@@ -214,66 +220,97 @@ class TimetablePresenter @Inject constructor(
         }
     }
 
-    private fun updateData(lessons: List<Timetable>) {
+    private fun updateData(lessons: TimetableFull, isDayChanged: Boolean) {
         tickTimer?.cancel()
 
-        if (currentDate != now()) {
-            view?.updateData(createItems(lessons))
-        } else {
-            tickTimer = timer(period = 2_000) {
+        view?.updateData(createItems(lessons), isDayChanged)
+        if (currentDate == now()) {
+            tickTimer = timer(period = 2_000, initialDelay = 2_000) {
                 Handler(Looper.getMainLooper()).post {
-                    view?.updateData(createItems(lessons))
+                    view?.updateData(createItems(lessons), isDayChanged)
                 }
             }
         }
     }
 
-    private fun createItems(items: List<Timetable>): List<TimetableItem> {
-        val filteredItems = items
-            .filter {
-                if (prefRepository.showWholeClassPlan == TimetableMode.ONLY_CURRENT_GROUP) {
-                    it.isStudentPlan
-                } else true
-            }.sortedWith(
-                compareBy({ item -> item.number }, { item -> !item.isStudentPlan })
-            )
+    private sealed class Item(
+        val isStudentPlan: Boolean,
+        val start: Instant,
+        val number: Int?,
+    ) {
+        class Lesson(val lesson: Timetable) :
+            Item(lesson.isStudentPlan, lesson.start, lesson.number)
+
+        class Additional(val additional: TimetableAdditional) : Item(true, additional.start, null)
+    }
+
+    private fun createItems(fullTimetable: TimetableFull): List<TimetableItem> {
+        val showAdditionalLessonsInPlan = prefRepository.showAdditionalLessonsInPlan
+        val allItems =
+            fullTimetable.lessons.map(Item::Lesson) + fullTimetable.additional.map(Item::Additional)
+                .takeIf { showAdditionalLessonsInPlan != NONE }.orEmpty()
+
+        val filteredItems = allItems.filter {
+            if (prefRepository.showWholeClassPlan == TimetableMode.ONLY_CURRENT_GROUP) {
+                it.isStudentPlan
+            } else true
+        }.sortedWith(
+            (compareBy<Item> { it is Item.Additional }
+                .takeIf { showAdditionalLessonsInPlan == BELOW } ?: EmptyComparator())
+                .thenBy { it.start }
+                .thenBy { !it.isStudentPlan }
+        )
 
         var prevNum = when (prefRepository.showTimetableGaps) {
             BETWEEN_AND_BEFORE_LESSONS -> 0
             else -> null
         }
+        var prevIsAdditional = false
         return buildList {
             filteredItems.forEachIndexed { i, it ->
-                if (prefRepository.showTimetableGaps != NO_GAPS && prevNum != null && it.number > prevNum!! + 1) {
-                    val emptyLesson = TimetableItem.Empty(
-                        numFrom = prevNum!! + 1,
-                        numTo = it.number - 1
-                    )
-                    add(emptyLesson)
+                if (prefRepository.showTimetableGaps != NO_GAPS) {
+                    if (prevNum != null && it.number != null && it.number > prevNum!! + 1) {
+                        if (!prevIsAdditional) {
+                            // Additional lessons do count as a lesson so don't add empty lessons
+                            // when there is an additional lesson present
+                            val emptyLesson = TimetableItem.Empty(
+                                numFrom = prevNum!! + 1, numTo = it.number - 1
+                            )
+                            add(emptyLesson)
+                        }
+                    }
+                    prevNum = it.number
+                    prevIsAdditional = it is Item.Additional
                 }
 
-                if (it.isStudentPlan) {
-                    val normalLesson = TimetableItem.Normal(
-                        lesson = it,
-                        showGroupsInPlan = prefRepository.showGroupsInPlan,
-                        timeLeft = filteredItems.getTimeLeftForLesson(it, i),
-                        onClick = ::onTimetableItemSelected
-                    )
-                    add(normalLesson)
-                } else {
-                    val smallLesson = TimetableItem.Small(
-                        lesson = it,
-                        onClick = ::onTimetableItemSelected
-                    )
-                    add(smallLesson)
+                if (it is Item.Lesson) {
+                    if (it.isStudentPlan) {
+                        val normalLesson = TimetableItem.Normal(
+                            lesson = it.lesson,
+                            showGroupsInPlan = prefRepository.showGroupsInPlan,
+                            timeLeft = filteredItems.getTimeLeftForLesson(it.lesson, i),
+                            onClick = ::onTimetableItemSelected,
+                            isLessonNumberVisible = !isEduOne
+                        )
+                        add(normalLesson)
+                    } else {
+                        val smallLesson = TimetableItem.Small(
+                            lesson = it.lesson,
+                            onClick = ::onTimetableItemSelected,
+                            isLessonNumberVisible = !isEduOne
+                        )
+                        add(smallLesson)
+                    }
+                } else if (it is Item.Additional) {
+                    // If the user disabled showing additional lessons, they would've been filtered
+                    // out already, so there's no need to check it again.
+                    add(TimetableItem.Additional(it.additional))
                 }
-
-                prevNum = it.number
             }
         }
     }
 
-    private fun List<Timetable>.getTimeLeftForLesson(lesson: Timetable, index: Int): TimeLeft {
+    private fun List<Item>.getTimeLeftForLesson(lesson: Timetable, index: Int): TimeLeft {
         val isShowTimeUntil = lesson.isShowTimeUntil(getPreviousLesson(index))
         return TimeLeft(
             until = lesson.until.plusMinutes(1).takeIf { isShowTimeUntil },
@@ -282,11 +319,20 @@ class TimetablePresenter @Inject constructor(
         )
     }
 
-    private fun List<Timetable>.getPreviousLesson(position: Int): Instant? {
-        return filter { it.isStudentPlan }
-            .getOrNull(position - 1 - filterIndexed { i, item -> i < position && !item.isStudentPlan }.size)
+    private fun List<Item>.getPreviousLesson(position: Int): Instant? {
+        val lessonAdditionalOffset = filterIndexed { i, item ->
+            i < position && item is Item.Additional
+        }.size
+        val lessonStudentPlanOffset = filterIndexed { i, item ->
+            i < position && !item.isStudentPlan
+        }.size
+        val lessonIndex = position - 1 - lessonAdditionalOffset - lessonStudentPlanOffset
+
+        return filterIsInstance<Item.Lesson>()
+            .filter { it.isStudentPlan }
+            .getOrNull(lessonIndex)
             ?.let {
-                if (!it.canceled && it.isStudentPlan) it.end
+                if (!it.lesson.canceled && it.isStudentPlan) it.lesson.end
                 else null
             }
     }
@@ -339,3 +385,7 @@ class TimetablePresenter @Inject constructor(
         super.onDetachView()
     }
 }
+
+private class EmptyComparator<T> : Comparator<T> {
+    override fun compare(o1: T, o2: T) = 0
+}

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

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

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

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

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

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

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

@@ -36,7 +36,7 @@ interface AdditionalLessonsView : BaseView {
 
     fun showDatePickerDialog(selectedDate: LocalDate)
 
-    fun showAddAdditionalLessonDialog()
+    fun showAddAdditionalLessonDialog(currentDate: LocalDate)
 
     fun showSuccessMessage()
 

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.ui.modules.timetable.additional.add
 import android.app.Dialog
 import android.os.Bundle
 import android.view.View
+import androidx.core.os.bundleOf
 import androidx.core.widget.doOnTextChanged
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.google.android.material.timepicker.MaterialTimePicker
@@ -26,10 +27,12 @@ class AdditionalLessonAddDialog : BaseDialogFragment<DialogAdditionalAddBinding>
     lateinit var presenter: AdditionalLessonAddPresenter
 
     companion object {
-        fun newInstance() = AdditionalLessonAddDialog()
+        const val ARGUMENT_KEY = "additional_lesson_default_date"
+        fun newInstance(defaultDate: LocalDate) = AdditionalLessonAddDialog().apply {
+            arguments = bundleOf(ARGUMENT_KEY to defaultDate.toEpochDay())
+        }
     }
 
-
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
         return MaterialAlertDialogBuilder(requireContext(), theme)
             .setView(
@@ -40,10 +43,13 @@ class AdditionalLessonAddDialog : BaseDialogFragment<DialogAdditionalAddBinding>
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        arguments?.getLong(ARGUMENT_KEY)?.let(LocalDate::ofEpochDay)?.let {
+            presenter.onDateSelected(it)
+        }
         presenter.onAttachView(this)
     }
 
-    override fun initView() {
+    override fun initView(selectedDate: LocalDate) {
         with(binding) {
             additionalLessonDialogStartEdit.doOnTextChanged { _, _, _, _ ->
                 additionalLessonDialogStart.isErrorEnabled = false
@@ -53,6 +59,7 @@ class AdditionalLessonAddDialog : BaseDialogFragment<DialogAdditionalAddBinding>
                 additionalLessonDialogEnd.isErrorEnabled = false
                 additionalLessonDialogEnd.error = null
             }
+            additionalLessonDialogDateEdit.setText(selectedDate.toFormattedString())
             additionalLessonDialogDateEdit.doOnTextChanged { _, _, _, _ ->
                 additionalLessonDialogDate.isErrorEnabled = false
                 additionalLessonDialogDate.error = null
@@ -61,7 +68,6 @@ class AdditionalLessonAddDialog : BaseDialogFragment<DialogAdditionalAddBinding>
                 additionalLessonDialogContent.isErrorEnabled = false
                 additionalLessonDialogContent.error = null
             }
-
             additionalLessonDialogAdd.setOnClickListener {
                 presenter.onAddAdditionalClicked(
                     start = additionalLessonDialogStartEdit.text?.toString(),
@@ -155,7 +161,9 @@ class AdditionalLessonAddDialog : BaseDialogFragment<DialogAdditionalAddBinding>
             .build()
 
         timePicker.addOnPositiveButtonClickListener {
-            onTimeSelected(LocalTime.of(timePicker.hour, timePicker.minute))
+            if (isAdded) {
+                onTimeSelected(LocalTime.of(timePicker.hour, timePicker.minute))
+            }
         }
 
         if (!parentFragmentManager.isStateSaved) {

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

@@ -10,9 +10,12 @@ import io.github.wulkanowy.utils.lastSchoolDayInSchoolYear
 import io.github.wulkanowy.utils.toLocalDate
 import kotlinx.coroutines.launch
 import timber.log.Timber
-import java.time.*
+import java.time.LocalDate
+import java.time.LocalTime
+import java.time.ZoneId
+import java.time.ZonedDateTime
 import java.time.temporal.ChronoUnit
-import java.util.*
+import java.util.UUID
 import javax.inject.Inject
 
 class AdditionalLessonAddPresenter @Inject constructor(
@@ -30,7 +33,7 @@ class AdditionalLessonAddPresenter @Inject constructor(
 
     override fun onAttachView(view: AdditionalLessonAddView) {
         super.onAttachView(view)
-        view.initView()
+        view.initView(selectedDate)
         Timber.i("AdditionalLesson details view was initialized")
     }
 

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

@@ -6,7 +6,7 @@ import java.time.LocalTime
 
 interface AdditionalLessonAddView : BaseView {
 
-    fun initView()
+    fun initView(selectedDate: LocalDate)
 
     fun closeDialog()
 

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

@@ -46,11 +46,8 @@ class TimetableWidgetFactory(
 ) : RemoteViewsService.RemoteViewsFactory {
 
     private var items = emptyList<TimetableWidgetItem>()
-
     private var timetableCanceledColor: Int? = null
-
     private var textColor: Int? = null
-
     private var timetableChangeColor: Int? = null
 
     override fun getLoadingView() = null
@@ -81,7 +78,7 @@ class TimetableWidgetFactory(
                 val lessons = getLessons(student, semester, date)
                 val lastSync = timetableRepository.getLastRefreshTimestamp(semester, date, date)
 
-                createItems(lessons, lastSync)
+                createItems(lessons, lastSync, !(student.isEduOne ?: false))
             }
                 .onFailure {
                     items = listOf(TimetableWidgetItem.Error(it))
@@ -104,14 +101,22 @@ class TimetableWidgetFactory(
     private suspend fun getLessons(
         student: Student, semester: Semester, date: LocalDate
     ): List<Timetable> {
-        val timetable = timetableRepository.getTimetable(student, semester, date, date, false)
+        val timetable = timetableRepository.getTimetable(
+            student = student,
+            semester = semester,
+            start = date,
+            end = date,
+            forceRefresh = false,
+            isFromAppWidget = true
+        )
         val lessons = timetable.toFirstResult().dataOrThrow.lessons
-        return lessons.sortedBy { it.number }
+        return lessons.sortedBy { it.start }
     }
 
     private fun createItems(
         lessons: List<Timetable>,
         lastSync: Instant?,
+        isEduOne: Boolean
     ): List<TimetableWidgetItem> {
         var prevNum = when (prefRepository.showTimetableGaps) {
             BETWEEN_AND_BEFORE_LESSONS -> 0
@@ -127,7 +132,7 @@ class TimetableWidgetFactory(
                     )
                     add(emptyItem)
                 }
-                add(TimetableWidgetItem.Normal(it))
+                add(TimetableWidgetItem.Normal(it, isEduOne))
                 prevNum = it.number
             }
             add(TimetableWidgetItem.Synchronized(lastSync ?: Instant.MIN))
@@ -155,9 +160,11 @@ class TimetableWidgetFactory(
 
         val lessonStartTime = lesson.start.toFormattedString(TIME_FORMAT_STYLE)
         val lessonEndTime = lesson.end.toFormattedString(TIME_FORMAT_STYLE)
+        val lessonNumberVisibility = if (item.isLessonNumberVisible) VISIBLE else GONE
 
         val remoteViews = RemoteViews(context.packageName, R.layout.item_widget_timetable).apply {
             setTextViewText(R.id.timetableWidgetItemNumber, lesson.number.toString())
+            setViewVisibility(R.id.timetableWidgetItemNumber, lessonNumberVisibility)
             setTextViewText(R.id.timetableWidgetItemTimeStart, lessonStartTime)
             setTextViewText(R.id.timetableWidgetItemTimeFinish, lessonEndTime)
             setTextViewText(R.id.timetableWidgetItemSubject, lesson.subject)

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

@@ -7,6 +7,7 @@ sealed class TimetableWidgetItem(val type: TimetableWidgetItemType) {
 
     data class Normal(
         val lesson: Timetable,
+        val isLessonNumberVisible: Boolean,
     ) : TimetableWidgetItem(TimetableWidgetItemType.NORMAL)
 
     data class Empty(

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

@@ -0,0 +1,34 @@
+package io.github.wulkanowy.utils
+
+import android.appwidget.AppWidgetManager
+import android.content.BroadcastReceiver
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import dagger.hilt.android.qualifiers.ApplicationContext
+import timber.log.Timber
+import javax.inject.Inject
+import kotlin.reflect.KClass
+
+class AppWidgetUpdater @Inject constructor(
+    @ApplicationContext private val context: Context,
+    private val appWidgetManager: AppWidgetManager
+) {
+
+    fun updateAllAppWidgetsByProvider(providerClass: KClass<out BroadcastReceiver>) {
+        try {
+            val ids = appWidgetManager.getAppWidgetIds(ComponentName(context, providerClass.java))
+            if (ids.isEmpty()) return
+
+            val intent = Intent(context, providerClass.java)
+                .apply {
+                    action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
+                    putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
+                }
+
+            context.sendBroadcast(intent)
+        } catch (e: Exception) {
+            Timber.e(e, "Failed to update all widgets for provider $providerClass")
+        }
+    }
+}

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

@@ -23,7 +23,7 @@ fun getRefreshKey(name: String, semester: Semester): String {
 }
 
 fun getRefreshKey(name: String, student: Student): String {
-    return "${name}_${student.userLoginId}"
+    return "${name}_${student.studentId}"
 }
 
 fun getRefreshKey(name: String, mailbox: Mailbox?, folder: MessageFolder): String {

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

@@ -18,7 +18,7 @@ fun Semester.isCurrent(now: LocalDate = now()): Boolean {
 }
 
 fun List<Semester>.getCurrentOrLast(): Semester {
-    if (isEmpty()) throw RuntimeException("Empty semester list")
+    if (isEmpty()) throw IllegalStateException("Empty semester list")
 
     // when there is only one current semester
     singleOrNull { it.isCurrent() }?.let { return it }

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

@@ -0,0 +1,66 @@
+package io.github.wulkanowy.utils
+
+import android.annotation.SuppressLint
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.RecyclerView
+
+/**
+ * Custom alternative to androidx.recyclerview.widget.ListAdapter. ListAdapter is asynchronous which
+ * caused data race problems in views when a Resource.Error arrived shortly after
+ * Resource.Intermediate/Success - occasionally in that case the user could see both the Resource's
+ * data and an error message one on top of the other. This is synchronized by design to avoid that
+ * problem, however it retains the quality of life improvements of the original.
+ */
+abstract class SyncListAdapter<T : Any, VH : RecyclerView.ViewHolder> private constructor(
+    private val updateStrategy: SyncListAdapter<T, VH>.(List<T>) -> Unit
+) : RecyclerView.Adapter<VH>() {
+
+    constructor(differ: DiffUtil.ItemCallback<T>) : this({ newItems ->
+        val diffResult = DiffUtil.calculateDiff(toCallback(differ, items, newItems))
+        items = newItems
+        diffResult.dispatchUpdatesTo(this)
+    })
+
+    var items = emptyList<T>()
+        private set
+
+    final override fun getItemCount() = items.size
+
+    fun getItem(position: Int): T {
+        return items[position]
+    }
+
+    /**
+     * Updates all items, same as submitList, however also disables animations temporarily.
+     * This prevents a flashing effect on some views. Should be used in favor of submitList when
+     * all data is changed (e.g. the selected day changes in timetable causing all lessons to change).
+     */
+    @SuppressLint("NotifyDataSetChanged")
+    fun recreate(data: List<T>) {
+        items = data
+        notifyDataSetChanged()
+    }
+
+    fun submitList(data: List<T>) {
+        updateStrategy(data.toList())
+    }
+
+    private fun <T : Any> toCallback(
+        itemCallback: DiffUtil.ItemCallback<T>,
+        old: List<T>,
+        new: List<T>,
+    ) = object : DiffUtil.Callback() {
+        override fun getOldListSize() = old.size
+
+        override fun getNewListSize() = new.size
+
+        override fun areItemsTheSame(oldItemPosition: Int, newItemPosition: Int) =
+            itemCallback.areItemsTheSame(old[oldItemPosition], new[newItemPosition])
+
+        override fun areContentsTheSame(oldItemPosition: Int, newItemPosition: Int) =
+            itemCallback.areContentsTheSame(old[oldItemPosition], new[newItemPosition])
+
+        override fun getChangePayload(oldItemPosition: Int, newItemPosition: Int) =
+            itemCallback.getChangePayload(old[oldItemPosition], new[newItemPosition])
+    }
+}

app/src/main/play/listings/cs-CZ/full-description.txt

@@ -6,7 +6,7 @@ Zvýrazněné vlastnosti a funkce:
 - šťastné číslo,
 - náhled na další a dokončené lekce,
 - tmavý motiv,
-- žádné reklamy,
+- volitelné reklamy,
 - offline režim,
 - upozornění.
 

app/src/main/play/listings/pl-PL/full-description.txt

@@ -6,7 +6,7 @@ Wyróżnione cechy i funkcje:
 - szczęśliwy numerek,
 - podgląd lekcji dodatkowych i zrealizowanych,
 - ciemny motyw.
-- brak reklam,
+- opcjonalne reklam,
 - tryb offline,
 - powiadomienia.
 

app/src/main/play/listings/sk/full-description.txt

@@ -6,7 +6,7 @@ Zvýraznené vlastnosti a funkcie:
 - šťastné číslo,
 - náhľad na ďalšie a dokončené lekcie,
 - tmavý motív,
-- žiadne reklamy,
+- voliteľné reklamy,
 - offline režim,
 - upozornenia.
 

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

@@ -1,11 +1,5 @@
-Wersja 2.5.1
+Wersja 2.6.4
 
-— dodaliśmy wyświetlanie ogłoszeń
-— dodaliśmy opcję przywracania wiadomości z kosza
-— dodaliśmy opcję wyciszania nadawców wiadomości
-— naprawiliśmy opcjonalne liczenie średniej arytmetycznej, kiedy brak ocen z wagą w drugim semestrze
-— usprawniliśmy ładowanie frekwencji i planu lekcji
-— naprawiliśmy usprawiedliwianie nieobecności i autoryzację u użytkowników eduOne
-— zmieniliśmy komunikat o zmienionym haśle
+— naprawiliśmy dostęp do modułu ucznia i modułu wiadomości po kolejnej próbie blokady nas (niestety jeszcze bez nowego modułu ucznia)
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases

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

@@ -32,12 +32,11 @@
                 android:layout_height="wrap_content"
                 android:layout_marginHorizontal="24dp"
                 android:layout_marginTop="8dp"
-                android:textSize="16sp"
+                android:textSize="14sp"
                 app:layout_constraintTop_toBottomOf="@id/auth_title"
-                app:lineHeight="24sp"
+                app:lineHeight="18sp"
                 tools:text="@string/auth_description" />
 
-
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/auth_input_layout"
                 style="@style/Widget.Material3.TextInputLayout.OutlinedBox"

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

@@ -11,6 +11,18 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <include
+            android:id="@+id/login_student_select_admin_message"
+            layout="@layout/item_dashboard_admin_message"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="16dp"
+            android:layout_marginTop="16dp"
+            android:visibility="gone"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintVertical_chainStyle="packed"
+            tools:visibility="visible" />
+
         <TextView
             android:id="@+id/loginStudentSelectHeader"
             android:layout_width="match_parent"
@@ -28,7 +40,7 @@
             app:layout_constraintBottom_toTopOf="@id/loginStudentSelectRecycler"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/login_student_select_admin_message"
             app:layout_constraintVertical_chainStyle="packed" />
 
         <androidx.recyclerview.widget.RecyclerView

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

@@ -95,6 +95,18 @@
                     android:background="?android:attr/listDivider" />
             </LinearLayout>
 
+            <include
+                android:id="@+id/login_symbol_admin_message"
+                layout="@layout/item_dashboard_admin_message"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="16dp"
+                android:layout_marginTop="16dp"
+                android:visibility="gone"
+                app:layout_constraintTop_toBottomOf="@+id/loginSymbolContact"
+                app:layout_constraintVertical_chainStyle="packed"
+                tools:visibility="visible" />
+
             <TextView
                 android:id="@+id/loginSymbolHeader"
                 android:layout_width="match_parent"
@@ -111,7 +123,7 @@
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintHorizontal_bias="0.5"
                 app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toBottomOf="@+id/loginSymbolContact"
+                app:layout_constraintTop_toBottomOf="@+id/login_symbol_admin_message"
                 app:layout_constraintVertical_chainStyle="packed" />
 
             <TextView

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

@@ -45,13 +45,30 @@
             android:textColor="?android:textColorSecondary"
             android:textSize="12sp"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toStartOf="@id/gradeHeaderPointsSum"
+            app:layout_constraintEnd_toStartOf="@id/gradeHeaderAverageAllYear"
             app:layout_constraintHorizontal_bias="0"
             app:layout_constraintHorizontal_chainStyle="packed"
             app:layout_constraintStart_toStartOf="@id/gradeHeaderSubject"
             app:layout_constraintTop_toBottomOf="@+id/gradeHeaderSubject"
             tools:text="Average: 6,00" />
 
+        <TextView
+            android:id="@+id/gradeHeaderAverageAllYear"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="10dp"
+            android:layout_marginTop="5dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textColor="?android:textColorSecondary"
+            android:textSize="12sp"
+            app:layout_constrainedWidth="true"
+            app:layout_constraintEnd_toStartOf="@id/gradeHeaderPointsSum"
+            app:layout_constraintStart_toEndOf="@+id/gradeHeaderAverage"
+            app:layout_constraintTop_toBottomOf="@+id/gradeHeaderSubject"
+            tools:text="Roczna: 5,00"
+            tools:visibility="gone" />
+
         <TextView
             android:id="@+id/gradeHeaderPointsSum"
             android:layout_width="wrap_content"
@@ -64,7 +81,7 @@
             android:textSize="12sp"
             app:layout_constrainedWidth="true"
             app:layout_constraintEnd_toStartOf="@id/gradeHeaderNumber"
-            app:layout_constraintStart_toEndOf="@+id/gradeHeaderAverage"
+            app:layout_constraintStart_toEndOf="@+id/gradeHeaderAverageAllYear"
             app:layout_constraintTop_toBottomOf="@+id/gradeHeaderSubject"
             tools:text="Points: 123/200 (61,5%)" />
 

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

@@ -20,20 +20,80 @@
             android:id="@+id/gradeSummaryItemTitle"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:layout_marginEnd="40dp"
             android:layout_weight="1"
             android:textSize="17sp"
             tools:text="@tools:sample/lorem" />
 
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/gradeSummaryItemAverageContainer"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_weight="1"
+            android:text="@string/grade_summary_average_semester"
+            android:textSize="14sp" />
+
         <TextView
             android:id="@+id/gradeSummaryItemAverage"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="25dp"
             android:gravity="end"
             android:textSize="12sp"
-            tools:text="4.74" />
+            tools:text="2,50" />
     </LinearLayout>
 
+    <View
+        android:id="@+id/gradeSummaryItemAverageDivider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@drawable/ic_all_divider" />
+
+    <LinearLayout
+        android:id="@+id/gradeSummaryItemAverageAllYearContainer"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:minHeight="35dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="20dp"
+            android:layout_weight="1"
+            android:text="@string/grade_summary_average_year"
+            android:textSize="14sp" />
+
+        <TextView
+            android:id="@+id/gradeSummaryItemAverageAllYear"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_vertical"
+            android:layout_marginStart="10dp"
+            android:layout_marginEnd="25dp"
+            android:gravity="end"
+            android:textSize="12sp"
+            tools:text="4,50" />
+    </LinearLayout>
+
+    <View
+        android:id="@+id/gradeSummaryItemAverageAllYearDivider"
+        android:layout_width="match_parent"
+        android:layout_height="1dp"
+        android:background="@drawable/ic_all_divider" />
+
     <LinearLayout
         android:id="@+id/gradeSummaryItemPointsContainer"
         android:layout_width="match_parent"
@@ -63,9 +123,9 @@
     </LinearLayout>
 
     <View
+        android:id="@+id/gradeSummaryItemPointsDivider"
         android:layout_width="match_parent"
         android:layout_height="1dp"
-        android:id="@+id/gradeSummaryItemPointsDivider"
         android:background="@drawable/ic_all_divider" />
 
     <LinearLayout
@@ -97,8 +157,8 @@
     </LinearLayout>
 
     <View
-        android:layout_width="match_parent"
         android:id="@+id/gradeSummaryItemPredictedDivider"
+        android:layout_width="match_parent"
         android:layout_height="1dp"
         android:background="@drawable/ic_all_divider" />
 
@@ -131,9 +191,9 @@
     </LinearLayout>
 
     <View
+        android:id="@+id/gradeSummaryItemFinalDivider"
         android:layout_width="match_parent"
         android:layout_height="1dp"
-        android:id="@+id/gradeSummaryItemFinalDivider"
         android:background="@drawable/ic_all_divider" />
 
     <LinearLayout

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

@@ -0,0 +1,153 @@
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?selectableItemBackground"
+    android:paddingStart="8dp"
+    android:paddingTop="6dp"
+    android:paddingEnd="12dp"
+    android:paddingBottom="6dp"
+    tools:context=".ui.modules.timetable.TimetableAdapter">
+
+    <TextView
+        android:id="@+id/timetableItemNumber"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:includeFontPadding="false"
+        android:maxLength="2"
+        android:minWidth="40dp"
+        android:minHeight="40dp"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="32sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0" />
+
+    <TextView
+        android:id="@+id/timetableItemSubject"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="16dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorPrimary"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toStartOf="@id/timetableItemTimeBarrier"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemTimeStart"
+        app:layout_constraintTop_toTopOf="@id/timetableItemTimeStart"
+        tools:text="@tools:sample/lorem" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeStart"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintBottom_toTopOf="@id/timetableItemTimeFinish"
+        app:layout_constraintStart_toEndOf="@id/timetableItemNumber"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0"
+        app:layout_constraintVertical_chainStyle="packed"
+        tools:text="11:11" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeFinish"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="4dp"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toEndOf="@id/timetableItemNumber"
+        app:layout_constraintTop_toBottomOf="@id/timetableItemTimeStart"
+        tools:text="12:00" />
+
+    <TextView
+        android:id="@+id/timetableItemTeacher"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginEnd="8dp"
+        android:ellipsize="end"
+        android:maxLines="1"
+        android:textColor="?android:textColorSecondary"
+        android:textSize="13sp"
+        app:layout_constrainedWidth="true"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/timetableItemTimeStart"
+        app:layout_constraintTop_toTopOf="@id/timetableItemTimeFinish"
+        android:text="@string/timetable_additional_lesson"
+        tools:visibility="visible" />
+
+    <TextView
+        android:id="@+id/timetableItemDescription"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="10dp"
+        android:layout_marginTop="0dp"
+        android:layout_marginEnd="16dp"
+        android:textColor="?colorTimetableChange"
+        android:textSize="13sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/timetableItemTimeFinish"
+        app:layout_constraintTop_toTopOf="@id/timetableItemTimeFinish"
+        tools:text="Lekcja odwołana: uczniowie zwolnieni do domu"
+        tools:visibility="gone" />
+
+    <androidx.constraintlayout.widget.Barrier
+        android:id="@+id/timetableItemTimeBarrier"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:barrierDirection="start"
+        app:constraint_referenced_ids="timetableItemTimeUntil,timetableItemTimeLeft" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeUntil"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="4dp"
+        android:ellipsize="end"
+        android:gravity="center"
+        android:maxLines="1"
+        android:paddingLeft="4dp"
+        android:paddingRight="4dp"
+        android:textColor="?colorPrimary"
+        android:textSize="13sp"
+        android:visibility="gone"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="za 15 min"
+        tools:visibility="gone" />
+
+    <TextView
+        android:id="@+id/timetableItemTimeLeft"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentEnd="true"
+        android:layout_marginStart="4dp"
+        android:background="@drawable/background_timetable_time_left"
+        android:ellipsize="end"
+        android:gravity="center"
+        android:includeFontPadding="false"
+        android:maxLines="1"
+        android:paddingLeft="7dp"
+        android:paddingTop="2dp"
+        android:paddingRight="7dp"
+        android:paddingBottom="2dp"
+        android:textColor="?colorOnPrimary"
+        android:textSize="13sp"
+        android:visibility="gone"
+        app:backgroundTint="?colorPrimary"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="@id/timetableItemTimeStart"
+        tools:text="jeszcze 15 min"
+        tools:visibility="visible" />
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -10,10 +10,11 @@
     tools:context=".ui.modules.grade.summary.GradeSummaryAdapter">
 
     <LinearLayout
-        android:layout_width="150dp"
-        android:layout_height="wrap_content"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
         android:layout_marginTop="20dp"
         android:layout_marginEnd="15dp"
+        android:layout_weight="1"
         android:orientation="vertical">
 
         <TextView
@@ -21,9 +22,9 @@
             android:layout_height="wrap_content"
             android:gravity="center"
             android:minLines="2"
-            android:textStyle="bold"
             android:text="@string/grade_summary_calculated_average"
-            android:textSize="16sp" />
+            android:textSize="16sp"
+            android:textStyle="bold" />
 
         <LinearLayout
             android:layout_width="wrap_content"
@@ -61,9 +62,64 @@
     </LinearLayout>
 
     <LinearLayout
-        android:layout_width="150dp"
-        android:layout_height="wrap_content"
+        android:id="@+id/gradeSummaryScrollableHeaderCalculatedAnnualContainer"
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
         android:layout_marginTop="20dp"
+        android:layout_marginEnd="15dp"
+        android:layout_weight="1"
+        android:orientation="vertical"
+        tools:visibility="visible">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="center"
+            android:minLines="2"
+            android:text="@string/grade_summary_calculated_average_annual"
+            android:textSize="16sp"
+            android:textStyle="bold" />
+
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/gradeSummaryScrollableHeaderCalculatedAnnual"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:textSize="21sp"
+                tools:text="6,00" />
+
+            <ImageButton
+                android:id="@+id/gradeSummaryCalculatedAverageHelpAnnual"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_marginLeft="8dp"
+                android:background="?selectableItemBackgroundBorderless"
+                android:contentDescription="@+string/grade_summary_calculated_average_help_dialog_title"
+                app:srcCompat="@drawable/ic_help"
+                app:tint="?colorOnBackground" />
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/gradeSummaryScrollableHeaderCalculatedSubjectCountAnnual"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
+            android:gravity="center_horizontal"
+            android:textSize="13sp"
+            tools:text="from 8 subjects" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_marginTop="20dp"
+        android:layout_weight="1"
         android:orientation="vertical">
 
         <TextView
@@ -71,9 +127,9 @@
             android:layout_height="wrap_content"
             android:gravity="center"
             android:minLines="2"
-            android:textStyle="bold"
             android:text="@string/grade_summary_final_average"
-            android:textSize="16sp" />
+            android:textSize="16sp"
+            android:textStyle="bold" />
 
         <LinearLayout
             android:layout_width="wrap_content"
@@ -103,8 +159,8 @@
         <TextView
             android:id="@+id/gradeSummaryScrollableHeaderFinalSubjectCount"
             android:layout_width="match_parent"
-            android:layout_marginTop="5dp"
             android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
             android:gravity="center_horizontal"
             android:textSize="13sp"
             tools:text="from 5 subjects" />

app/src/main/res/menu/action_menu_attendance_calculator.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/attendance_calculator_menu_settings"
+        android:icon="@drawable/ic_more_settings"
+        android:orderInCategory="2"
+        android:title="@string/pref_attendance_calculator_appearance_settings_title"
+        app:iconTint="?colorControlNormal"
+        app:showAsAction="ifRoom" />
+</menu>

app/src/main/res/values-cs/preferences_values.xml

@@ -56,6 +56,11 @@
         <item>Pouze mezi lekcemi</item>
         <item>Před a mezi lekcemi</item>
     </string-array>
+    <string-array name="timetable_show_additional_lessons_entries">
+        <item>Nezobrazovat</item>
+        <item>Zobrazit v řadě</item>
+        <item>Zobrazit pod pravidelnými hodinami</item>
+    </string-array>
     <string-array name="dashboard_tile_entries">
         <item>Šťastné číslo</item>
         <item>Nepřečtené zprávy</item>