Merge branch 'release/0.23.1'

Version 0.22.0

.gitignore

@@ -113,3 +113,6 @@ Thumbs.db
 
 !/gradle/wrapper/gradle-wrapper.jar
 .idea/jarRepositories.xml
+
+
+app/src/release/agconnect-services.json

.travis.yml

@@ -3,8 +3,8 @@ jdk: oraclejdk8
 
 env:
  global:
-    - ANDROID_API_LEVEL=29
-    - ANDROID_BUILD_TOOLS_VERSION=29.0.3
+   - ANDROID_API_LEVEL=30
+   - ANDROID_BUILD_TOOLS_VERSION=30.0.2
 
 cache:
   directories:
@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.20.1
+    - 0.23.1
 
 android:
  licenses:
@@ -28,32 +28,37 @@ android:
     - build-tools-$ANDROID_BUILD_TOOLS_VERSION
     # The SDK version used to compile your project
     - android-$ANDROID_API_LEVEL
-    # Additional components
+   # Additional components
     - extra-google-google_play_services
     - extra-google-m2repository
     - extra-android-m2repository
     - addon-google_apis-google-$ANDROID_API_LEVEL
-    # Android emulator
+   # Android emulator
     - android-22
     - sys-img-armeabi-v7a-android-22
 
+before_install:
+  - yes | sdkmanager "platforms;android-30"
+  - yes | sdkmanager "build-tools;30.0.2"
+
 before_script:
-    # Launch emulator before the execution
-    - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
-    - emulator -avd test -no-audio -no-window &
-    - android-wait-for-emulator
-    - adb shell input keyevent 82 &
-    - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"
+  # Launch emulator before the execution
+  - echo no | android create avd --force -n test -t android-22 --abi armeabi-v7a
+  - emulator -avd test -no-audio -no-window &
+  - android-wait-for-emulator
+  - adb shell input keyevent 82 &
+  - "curl -H 'Cache-Control: no-cache' https://raw.githubusercontent.com/fossas/fossa-cli/master/install.sh | sudo bash"
 
 script:
   - ./gradlew dependencies --stacktrace --daemon
   - fossa --no-ansi || true
-  - ./gradlew -Pcoverage testPlayDebugUnitTest --stacktrace --daemon
-  - ./gradlew -Pcoverage createFdroidDebugCoverageReport --stacktrace --daemon
+  - ./gradlew -Pcoverage testFdroidDebugUnitTest --stacktrace --daemon
+  - ./gradlew -Pcoverage connectedFdroidDebugAndroidTest --stacktrace --daemon
   - ./gradlew -Pcoverage jacocoTestReport --stacktrace --daemon
   - |
     if [ $TRAVIS_TAG ]; then
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg;
+      gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/agconnect-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
       ./gradlew publishPlayRelease -PenableFirebase --stacktrace;

README.en.md

@@ -32,14 +32,17 @@ Unofficial android VULCAN UONET+ register client for both students and their par
 
 ## Download
 
-You can download the current beta version from the Google Play or the F-Droid store
+You can download the current beta version from the Google Play, F-Droid or Huawei AppGallery store
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Get it on Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Get it on Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
     alt="Get it on F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Explore it on AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
     
 You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features being prepared for the next release
 

README.md

@@ -32,14 +32,17 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
 
 ## Pobierz
 
-Aktualną wersję beta możesz pobrać ze sklepu Google Play lub F-Droid
+Aktualną wersję beta możesz pobrać ze sklepu Google Play, F-Droid lub Huawei AppGallery
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
-      alt="Pobierz z Google Play"
-      height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
+    alt="Pobierz z Google Play"
+    height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
     alt="Pobierz z F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
+[<img src="appgallery_badge.png"
+    alt="Odkrywaj w AppGallery"
+    height="80">](https://appgallery.cloud.huawei.com/ag/n/app/C101440411?channelId=Badge&id=1b3f7fbb700849a9be0dba6b520b2282&s=EB1D3BF9ED9D1564D869B7B94B18016D3CABFCA5AEFB8E29F675FA04E0DC131D&detailType=0&v=)
 
 
 Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#download), która zawiera nowe funkcje przygotowywane do następnego wydania

app/build.gradle

@@ -10,16 +10,16 @@ apply from: 'sonarqube.gradle'
 apply from: 'hooks.gradle'
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.3'
+    compileSdkVersion 30
+    buildToolsVersion '30.0.2'
 
     defaultConfig {
         applicationId "io.github.wulkanowy"
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 17
-        targetSdkVersion 29
-        versionCode 64
-        versionName "0.20.0"
+        targetSdkVersion 30
+        versionCode 77
+        versionName "0.23.1"
         multiDexEnabled true
         resValue "string", "app_name", "Wulkanowy"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -69,12 +69,26 @@ android {
     flavorDimensions "platform"
 
     productFlavors {
+        hms {
+            dimension "platform"
+            minSdkVersion 19
+            manifestPlaceholders = [
+                    install_channel: "AppGallery"
+            ]
+        }
+
         play {
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "Google Play"
+            ]
         }
 
         fdroid {
             dimension "platform"
+            manifestPlaceholders = [
+                    install_channel: "F-Droid"
+            ]
         }
     }
 
@@ -112,13 +126,15 @@ play {
     serviceAccountCredentials = file('key.p12')
     defaultToAppBundles = false
     track = 'alpha'
+    updatePriority = 3
 }
 
 ext {
     work_manager = "2.4.0"
     room = "2.2.5"
-    chucker = "3.2.0"
-    mockk = "1.10.0"
+    chucker = "3.4.0"
+    mockk = "1.10.3-jdk8"
+    moshi = "1.11.0"
 }
 
 configurations.all {
@@ -126,14 +142,14 @@ configurations.all {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:0.20.1"
+    implementation "io.github.wulkanowy:sdk:0.23.1"
 
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.10'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.1'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.2'
 
-    implementation "androidx.core:core-ktx:1.3.1"
+    implementation "androidx.core:core-ktx:1.3.2"
     implementation "androidx.activity:activity-ktx:1.1.0"
     implementation "androidx.appcompat:appcompat:1.2.0"
     implementation "androidx.appcompat:appcompat-resources:1.2.0"
@@ -147,7 +163,7 @@ dependencies {
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
     implementation "androidx.constraintlayout:constraintlayout:2.0.1"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
-    implementation "com.google.android.material:material:1.2.0"
+    implementation "com.google.android.material:material:1.2.1"
     implementation "com.github.wulkanowy:material-chips-input:2.1.1"
     implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
     implementation "me.zhanghai.android.materialprogressbar:library:1.6.1"
@@ -170,31 +186,37 @@ dependencies {
     implementation "com.ncapdevi:frag-nav:3.3.0"
     implementation "com.github.YarikSOffice:lingver:1.2.2"
 
-    implementation "com.google.code.gson:gson:2.8.6"
+    implementation "com.squareup.moshi:moshi:$moshi"
+    implementation "com.squareup.moshi:moshi-adapters:$moshi"
+    kapt "com.squareup.moshi:moshi-kotlin-codegen:$moshi"
     implementation "com.jakewharton.timber:timber:4.7.1"
     implementation "at.favre.lib:slf4j-timber:1.0.1"
     implementation "fr.bipi.treessence:treessence:0.3.2"
     implementation "com.mikepenz:aboutlibraries-core:$about_libraries"
     implementation 'com.wdullaer:materialdatetimepicker:4.2.3'
-    implementation "io.coil-kt:coil:1.0.0-rc1"
+    implementation "io.coil-kt:coil:1.1.0"
     implementation "io.github.wulkanowy:AppKillerManager:3.0.0"
     implementation 'me.xdrop:fuzzywuzzy:1.3.1'
 
-    playImplementation 'com.google.firebase:firebase-analytics:17.5.0'
-    playImplementation 'com.google.firebase:firebase-inappmessaging-display-ktx:19.1.1'
-    playImplementation "com.google.firebase:firebase-inappmessaging-ktx:19.1.1"
-    playImplementation 'com.google.firebase:firebase-messaging:20.2.4'
-    playImplementation 'com.google.firebase:firebase-crashlytics:17.2.1'
+    playImplementation 'com.google.firebase:firebase-analytics:18.0.0'
+    playImplementation 'com.google.firebase:firebase-inappmessaging-display-ktx:19.1.2'
+    playImplementation "com.google.firebase:firebase-inappmessaging-ktx:19.1.2"
+    playImplementation 'com.google.firebase:firebase-messaging:21.0.0'
+    playImplementation 'com.google.firebase:firebase-crashlytics:17.3.0'
+    playImplementation 'com.google.android.play:core-ktx:1.8.1'
     playImplementation 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
 
+    hmsImplementation 'com.huawei.hms:hianalytics:5.0.5.301'
+    hmsImplementation 'com.huawei.agconnect:agconnect-crash:1.4.2.301'
+
     releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
 
     debugImplementation "com.github.ChuckerTeam.Chucker:library:$chucker"
     debugImplementation "com.amitshekhar.android:debug-db:1.0.6"
 
-    testImplementation "junit:junit:4.13"
+    testImplementation "junit:junit:4.13.1"
     testImplementation "io.mockk:mockk:$mockk"
-    testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.3.9'
+    testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.4.2'
 
     androidTestImplementation "androidx.test:core:1.3.0"
     androidTestImplementation "androidx.test:runner:1.3.0"
@@ -205,3 +227,4 @@ dependencies {
 }
 
 apply plugin: 'com.google.gms.google-services'
+apply plugin: 'com.huawei.agconnect'

app/jacoco.gradle

@@ -35,13 +35,13 @@ task jacocoTestReport(type: JacocoReport) {
             dir: "$buildDir/intermediates/classes/debug",
             excludes: excludes
     ) + fileTree(
-            dir: "$buildDir/tmp/kotlin-classes/playDebug",
+            dir: "$buildDir/tmp/kotlin-classes/fdroidDebug",
             excludes: excludes
     ))
 
     sourceDirectories.setFrom(files([
             "src/main/java",
-            "src/play/java"
+            "src/fdroid/java"
     ]))
     executionData.setFrom(fileTree(
             dir: project.projectDir,

app/src/androidTest/java/io/github/wulkanowy/data/repositories/gradestatistics/GradeStatisticsLocalTest.kt

@@ -4,8 +4,8 @@ import androidx.room.Room
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import io.github.wulkanowy.data.db.AppDatabase
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
 import io.github.wulkanowy.data.db.entities.Semester
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.runBlocking
@@ -27,7 +27,7 @@ class GradeStatisticsLocalTest {
     fun createDb() {
         testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
             .build()
-        gradeStatisticsLocal = GradeStatisticsLocal(testDb.gradeStatistics, testDb.gradePointsStatistics)
+        gradeStatisticsLocal = GradeStatisticsLocal(testDb.gradePartialStatisticsDao, testDb.gradePointsStatisticsDao, testDb.gradeSemesterStatisticsDao)
     }
 
     @After
@@ -41,9 +41,9 @@ class GradeStatisticsLocalTest {
             getGradeStatistics("Matematyka", 2, 1),
             getGradeStatistics("Fizyka", 1, 2)
         )
-        runBlocking { gradeStatisticsLocal.saveGradesStatistics(list) }
+        runBlocking { gradeStatisticsLocal.saveGradePartialStatistics(list) }
 
-        val stats = runBlocking { gradeStatisticsLocal.getGradesStatistics(getSemester(), false).first() }
+        val stats = runBlocking { gradeStatisticsLocal.getGradePartialStatistics(getSemester()).first() }
         assertEquals(1, stats.size)
         assertEquals(stats[0].subject, "Matematyka")
     }
@@ -55,12 +55,10 @@ class GradeStatisticsLocalTest {
             getGradeStatistics("Chemia", 2, 1),
             getGradeStatistics("Fizyka", 1, 2)
         )
-        runBlocking { gradeStatisticsLocal.saveGradesStatistics(list) }
+        runBlocking { gradeStatisticsLocal.saveGradePartialStatistics(list) }
 
-        val stats = runBlocking { gradeStatisticsLocal.getGradesStatistics(getSemester(), false).first() }
+        val stats = runBlocking { gradeStatisticsLocal.getGradePartialStatistics(getSemester()).first() }
         assertEquals(2, stats.size)
-//        assertEquals(3, stats.size)
-//        assertEquals(stats[0].subject, "Wszystkie") // now in main repo
         assertEquals(stats[0].subject, "Matematyka")
         assertEquals(stats[1].subject, "Chemia")
     }
@@ -72,9 +70,9 @@ class GradeStatisticsLocalTest {
             getGradePointsStatistics("Chemia", 2, 1),
             getGradePointsStatistics("Fizyka", 1, 2)
         )
-        runBlocking { gradeStatisticsLocal.saveGradesPointsStatistics(list) }
+        runBlocking { gradeStatisticsLocal.saveGradePointsStatistics(list) }
 
-        val stats = runBlocking { gradeStatisticsLocal.getGradesPointsStatistics(getSemester()).first() }
+        val stats = runBlocking { gradeStatisticsLocal.getGradePointsStatistics(getSemester()).first() }
         with(stats[0]) {
             assertEquals(subject, "Matematyka")
             assertEquals(others, 5.0)
@@ -84,17 +82,17 @@ class GradeStatisticsLocalTest {
 
     @Test
     fun saveAndRead_subjectEmpty() {
-        runBlocking { gradeStatisticsLocal.saveGradesPointsStatistics(listOf()) }
+        runBlocking { gradeStatisticsLocal.saveGradePointsStatistics(listOf()) }
 
-        val stats = runBlocking { gradeStatisticsLocal.getGradesPointsStatistics(getSemester()).first() }
+        val stats = runBlocking { gradeStatisticsLocal.getGradePointsStatistics(getSemester()).first() }
         assertEquals(emptyList(), stats)
     }
 
     @Test
     fun saveAndRead_allEmpty() {
-        runBlocking { gradeStatisticsLocal.saveGradesPointsStatistics(listOf()) }
+        runBlocking { gradeStatisticsLocal.saveGradePointsStatistics(listOf()) }
 
-        val stats = runBlocking { gradeStatisticsLocal.getGradesPointsStatistics(getSemester()).first() }
+        val stats = runBlocking { gradeStatisticsLocal.getGradePointsStatistics(getSemester()).first() }
         assertEquals(emptyList(), stats)
     }
 
@@ -102,8 +100,8 @@ class GradeStatisticsLocalTest {
         return Semester(2, 2, "", 2019, 1, 2, now(), now(), 1, 1)
     }
 
-    private fun getGradeStatistics(subject: String, studentId: Int, semesterId: Int): GradeStatistics {
-        return GradeStatistics(studentId, semesterId, subject, 5, 5, false)
+    private fun getGradeStatistics(subject: String, studentId: Int, semesterId: Int): GradePartialStatistics {
+        return GradePartialStatistics(studentId, semesterId, subject, "", "", listOf(5), listOf(5))
     }
 
     private fun getGradePointsStatistics(subject: String, studentId: Int, semesterId: Int): GradePointsStatistics {

app/src/debug/agconnect-services.json

@@ -0,0 +1,33 @@
+{
+	"agcgw":{
+		"backurl":"connect-dre.dbankcloud.cn",
+		"url":"connect-dre.hispace.hicloud.com"
+	},
+	"client":{
+		"cp_id":"890048000024105546",
+		"product_id":"",
+		"client_id":"",
+		"client_secret":"",
+		"app_id":"101440411",
+		"package_name":"io.github.wulkanowy.dev",
+		"api_key":""
+	},
+	"service":{
+		"analytics":{
+			"collector_url":"datacollector-dre.dt.hicloud.com,datacollector-dre.dt.dbankcloud.cn",
+			"resource_id":"p1",
+			"channel_id":""
+		},
+		"search":{
+			"url":"https://search-dre.cloud.huawei.com"
+		},
+		"cloudstorage":{
+			"storage_url":"https://ops-dre.agcstorage.link"
+		},
+		"ml":{
+			"mlservice_url":"ml-api-dre.ai.dbankcloud.com,ml-api-dre.ai.dbankcloud.cn"
+		}
+	},
+	"region":"DE",
+	"configuration_version":"1.0"
+}

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

@@ -6,7 +6,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Suppress("UNUSED_PARAMETER")
-class FirebaseAnalyticsHelper @Inject constructor() {
+class AnalyticsHelper @Inject constructor() {
 
     fun logEvent(name: String, vararg params: Pair<String, Any?>) {
         // do nothing
@@ -15,4 +15,8 @@ class FirebaseAnalyticsHelper @Inject constructor() {
     fun setCurrentScreen(activity: Activity, name: String?) {
         // do nothing
     }
+
+    fun popCurrentScreen(name: String?) {
+        // do nothing
+    }
 }

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

@@ -8,6 +8,6 @@ open class TimberTreeNoOp : Timber.Tree() {
     override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {}
 }
 
-class CrashlyticsTree : TimberTreeNoOp()
+class CrashLogTree : TimberTreeNoOp()
 
-class CrashlyticsExceptionTree : TimberTreeNoOp()
+class CrashLogExceptionTree : TimberTreeNoOp()

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

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

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

@@ -0,0 +1,39 @@
+package io.github.wulkanowy.utils
+
+import android.app.Activity
+import android.content.Context
+import android.os.Bundle
+import com.huawei.hms.analytics.HiAnalytics
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class AnalyticsHelper @Inject constructor(
+    @ApplicationContext private val context: Context
+) {
+
+    private val analytics by lazy { HiAnalytics.getInstance(context) }
+
+    fun logEvent(name: String, vararg params: Pair<String, Any?>) {
+        Bundle().apply {
+            params.forEach {
+                if (it.second == null) return@forEach
+                when (it.second) {
+                    is String, is String? -> putString(it.first, it.second as String)
+                    is Int, is Int? -> putInt(it.first, it.second as Int)
+                    is Boolean, is Boolean? -> putBoolean(it.first, it.second as Boolean)
+                }
+            }
+            analytics.onEvent(name, this)
+        }
+    }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        analytics.pageStart(name, activity::class.simpleName)
+    }
+
+    fun popCurrentScreen(name: String?) {
+        analytics.pageEnd(name)
+    }
+}

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

@@ -0,0 +1,53 @@
+package io.github.wulkanowy.utils
+
+import android.util.Log
+import com.huawei.agconnect.crash.AGConnectCrash
+import fr.bipi.tressence.base.FormatterPriorityTree
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
+import java.io.InterruptedIOException
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+
+class CrashLogTree : FormatterPriorityTree(Log.VERBOSE) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        connectCrash.log(format(priority, tag, message))
+    }
+}
+
+class CrashLogExceptionTree : FormatterPriorityTree(Log.ERROR) {
+
+    private val connectCrash by lazy { AGConnectCrash.getInstance() }
+
+    override fun skipLog(priority: Int, tag: String?, message: String, t: Throwable?): Boolean {
+        return when (t) {
+            is FeatureDisabledException,
+            is FeatureNotAvailableException,
+            is UnknownHostException,
+            is SocketTimeoutException,
+            is InterruptedIOException -> true
+            else -> super.skipLog(priority, tag, message, t)
+        }
+    }
+
+    override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {
+        if (skipLog(priority, tag, message, t)) return
+
+        // Disabled due to a bug in the Huawei library
+
+        /*connectCrash.setCustomKey("priority", priority)
+        connectCrash.setCustomKey("tag", tag.orEmpty())
+        connectCrash.setCustomKey("message", message)
+
+        if (t != null) {
+            connectCrash.recordException(t)
+        } else {
+            connectCrash.recordException(StackTraceRecorder(format(priority, tag, message)))
+        }*/
+    }
+}

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

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

app/src/main/AndroidManifest.xml

@@ -110,6 +110,11 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
+        <meta-data
+            android:name="install_channel"
+            android:value="${install_channel}">
+        </meta-data>
+
         <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
         <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
         <provider

app/src/main/assets/contributors.json

@@ -33,6 +33,6 @@
   },
   {
     "displayName": "Mateusz Idziejczak",
-    "githubUsername": "PanTajemnic"
+    "githubUsername": "Luncenok"
   }
 ]

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

@@ -14,8 +14,8 @@ import fr.bipi.tressence.file.FileLoggerTree
 import io.github.wulkanowy.ui.base.ThemeManager
 import io.github.wulkanowy.utils.ActivityLifecycleLogger
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.CrashlyticsExceptionTree
-import io.github.wulkanowy.utils.CrashlyticsTree
+import io.github.wulkanowy.utils.CrashLogExceptionTree
+import io.github.wulkanowy.utils.CrashLogTree
 import io.github.wulkanowy.utils.DebugLogTree
 import timber.log.Timber
 import javax.inject.Inject
@@ -56,8 +56,8 @@ class WulkanowyApp : Application(), Configuration.Provider {
                 .build()
             )
         } else {
-            Timber.plant(CrashlyticsExceptionTree())
-            Timber.plant(CrashlyticsTree())
+            Timber.plant(CrashLogExceptionTree())
+            Timber.plant(CrashLogTree())
         }
         registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }

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

@@ -11,8 +11,8 @@ import com.chuckerteam.chucker.api.RetentionManager
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.android.components.ApplicationComponent
 import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
@@ -21,7 +21,7 @@ import timber.log.Timber
 import javax.inject.Singleton
 
 @Module
-@InstallIn(ApplicationComponent::class)
+@InstallIn(SingletonComponent::class)
 internal class RepositoryModule {
 
     @Singleton
@@ -33,7 +33,11 @@ internal class RepositoryModule {
             setSimpleHttpLogger { Timber.d(it) }
 
             // for debug only
-            addInterceptor(ChuckerInterceptor(context, chuckerCollector), true)
+            addInterceptor(ChuckerInterceptor(
+                context = context,
+                collector = chuckerCollector,
+                alwaysReadResponseBody = true
+            ), true)
         }
     }
 
@@ -81,11 +85,15 @@ internal class RepositoryModule {
 
     @Singleton
     @Provides
-    fun provideGradeStatisticsDao(database: AppDatabase) = database.gradeStatistics
+    fun provideGradePartialStatisticsDao(database: AppDatabase) = database.gradePartialStatisticsDao
 
     @Singleton
     @Provides
-    fun provideGradePointsStatisticsDao(database: AppDatabase) = database.gradePointsStatistics
+    fun provideGradeSemesterStatisticsDao(database: AppDatabase) = database.gradeSemesterStatisticsDao
+
+    @Singleton
+    @Provides
+    fun provideGradePointsStatisticsDao(database: AppDatabase) = database.gradePointsStatisticsDao
 
     @Singleton
     @Provides
@@ -150,4 +158,8 @@ internal class RepositoryModule {
     @Singleton
     @Provides
     fun provideSchoolInfoDao(database: AppDatabase) = database.schoolDao
+
+    @Singleton
+    @Provides
+    fun provideConferenceDao(database: AppDatabase) = database.conferenceDao
 }

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

@@ -1,6 +1,6 @@
 package io.github.wulkanowy.data
 
-data class Resource<out T>(val status: Status, val data: T?, val error: Throwable?) {
+data class Resource<T>(val status: Status, val data: T?, val error: Throwable?) {
     companion object {
         fun <T> success(data: T?): Resource<T> {
             return Resource(Status.SUCCESS, data, null)

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

@@ -10,10 +10,12 @@ import androidx.room.migration.Migration
 import io.github.wulkanowy.data.db.dao.AttendanceDao
 import io.github.wulkanowy.data.db.dao.AttendanceSummaryDao
 import io.github.wulkanowy.data.db.dao.CompletedLessonsDao
+import io.github.wulkanowy.data.db.dao.ConferenceDao
 import io.github.wulkanowy.data.db.dao.ExamDao
 import io.github.wulkanowy.data.db.dao.GradeDao
+import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
-import io.github.wulkanowy.data.db.dao.GradeStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradeSummaryDao
 import io.github.wulkanowy.data.db.dao.HomeworkDao
 import io.github.wulkanowy.data.db.dao.LuckyNumberDao
@@ -32,10 +34,12 @@ import io.github.wulkanowy.data.db.dao.TimetableDao
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.CompletedLesson
+import io.github.wulkanowy.data.db.entities.Conference
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.LuckyNumber
@@ -70,6 +74,8 @@ import io.github.wulkanowy.data.db.migrations.Migration24
 import io.github.wulkanowy.data.db.migrations.Migration25
 import io.github.wulkanowy.data.db.migrations.Migration26
 import io.github.wulkanowy.data.db.migrations.Migration27
+import io.github.wulkanowy.data.db.migrations.Migration28
+import io.github.wulkanowy.data.db.migrations.Migration29
 import io.github.wulkanowy.data.db.migrations.Migration3
 import io.github.wulkanowy.data.db.migrations.Migration4
 import io.github.wulkanowy.data.db.migrations.Migration5
@@ -90,8 +96,9 @@ import javax.inject.Singleton
         AttendanceSummary::class,
         Grade::class,
         GradeSummary::class,
-        GradeStatistics::class,
+        GradePartialStatistics::class,
         GradePointsStatistics::class,
+        GradeSemesterStatistics::class,
         Message::class,
         MessageAttachment::class,
         Note::class,
@@ -103,7 +110,8 @@ import javax.inject.Singleton
         Recipient::class,
         MobileDevice::class,
         Teacher::class,
-        School::class
+        School::class,
+        Conference::class,
     ],
     version = AppDatabase.VERSION_SCHEMA,
     exportSchema = true
@@ -112,7 +120,7 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 27
+        const val VERSION_SCHEMA = 29
 
         fun getMigrations(sharedPrefProvider: SharedPrefProvider): Array<Migration> {
             return arrayOf(
@@ -142,6 +150,8 @@ abstract class AppDatabase : RoomDatabase() {
                 Migration25(),
                 Migration26(),
                 Migration27(),
+                Migration28(),
+                Migration29()
             )
         }
 
@@ -171,9 +181,11 @@ abstract class AppDatabase : RoomDatabase() {
 
     abstract val gradeSummaryDao: GradeSummaryDao
 
-    abstract val gradeStatistics: GradeStatisticsDao
+    abstract val gradePartialStatisticsDao: GradePartialStatisticsDao
 
-    abstract val gradePointsStatistics: GradePointsStatisticsDao
+    abstract val gradePointsStatisticsDao: GradePointsStatisticsDao
+
+    abstract val gradeSemesterStatisticsDao: GradeSemesterStatisticsDao
 
     abstract val messagesDao: MessagesDao
 
@@ -198,4 +210,6 @@ abstract class AppDatabase : RoomDatabase() {
     abstract val teacherDao: TeacherDao
 
     abstract val schoolDao: SchoolDao
+
+    abstract val conferenceDao: ConferenceDao
 }

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

@@ -1,8 +1,9 @@
 package io.github.wulkanowy.data.db
 
 import androidx.room.TypeConverter
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import io.github.wulkanowy.data.db.adapters.PairAdapterFactory
 import java.time.Instant
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -12,6 +13,16 @@ import java.util.Date
 
 class Converters {
 
+    private val moshi by lazy { Moshi.Builder().add(PairAdapterFactory).build() }
+
+    private val integerListAdapter by lazy {
+        moshi.adapter<List<Int>>(Types.newParameterizedType(List::class.java, Integer::class.java))
+    }
+
+    private val stringListPairAdapter by lazy {
+        moshi.adapter<List<Pair<String, String>>>(Types.newParameterizedType(List::class.java, Pair::class.java, String::class.java, String::class.java))
+    }
+
     @TypeConverter
     fun timestampToDate(value: Long?): LocalDate? = value?.run {
         Date(value).toInstant().atZone(ZoneOffset.UTC).toLocalDate()
@@ -39,22 +50,22 @@ class Converters {
     fun intToMonth(value: Int?) = value?.let { Month.of(it) }
 
     @TypeConverter
-    fun intListToGson(list: List<Int>): String {
-        return Gson().toJson(list)
+    fun intListToJson(list: List<Int>): String {
+        return integerListAdapter.toJson(list)
     }
 
     @TypeConverter
-    fun gsonToIntList(value: String): List<Int> {
-        return Gson().fromJson(value, object : TypeToken<List<Int>>() {}.type)
+    fun jsonToIntList(value: String): List<Int> {
+        return integerListAdapter.fromJson(value).orEmpty()
     }
 
     @TypeConverter
-    fun stringPairListToGson(list: List<Pair<String, String>>): String {
-        return Gson().toJson(list)
+    fun stringPairListToJson(list: List<Pair<String, String>>): String {
+        return stringListPairAdapter.toJson(list)
     }
 
     @TypeConverter
-    fun gsonToStringPairList(value: String): List<Pair<String, String>> {
-        return Gson().fromJson(value, object : TypeToken<List<Pair<String, String>>>() {}.type)
+    fun jsonToStringPairList(value: String): List<Pair<String, String>> {
+        return stringListPairAdapter.fromJson(value).orEmpty()
     }
 }

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

@@ -0,0 +1,68 @@
+package io.github.wulkanowy.data.db.adapters
+
+import com.squareup.moshi.JsonAdapter
+import com.squareup.moshi.JsonReader
+import com.squareup.moshi.JsonWriter
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import java.lang.reflect.ParameterizedType
+import java.lang.reflect.Type
+
+object PairAdapterFactory : JsonAdapter.Factory {
+
+    override fun create(type: Type, annotations: MutableSet<out Annotation>, moshi: Moshi): JsonAdapter<*>? {
+        if (type !is ParameterizedType || List::class.java != type.rawType) return null
+        if (type.actualTypeArguments[0] != Pair::class.java) return null
+
+        val listType = Types.newParameterizedType(List::class.java, Map::class.java, String::class.java)
+        val listAdapter = moshi.adapter<List<Map<String, String>>>(listType)
+
+        val mapType = Types.newParameterizedType(MutableMap::class.java, String::class.java, String::class.java)
+        val mapAdapter = moshi.adapter<Map<String, String>>(mapType)
+
+        return PairAdapter(listAdapter, mapAdapter)
+    }
+
+    private class PairAdapter(
+        private val listAdapter: JsonAdapter<List<Map<String, String>>>,
+        private val mapAdapter: JsonAdapter<Map<String, String>>,
+    ) : JsonAdapter<List<Pair<String, String>>>() {
+
+        override fun toJson(writer: JsonWriter, value: List<Pair<String, String>>?) {
+            writer.beginArray()
+            value?.forEach {
+                writer.beginObject()
+                writer.name("first").value(it.first)
+                writer.name("second").value(it.second)
+                writer.endObject()
+            }
+            writer.endArray()
+        }
+
+        override fun fromJson(reader: JsonReader): List<Pair<String, String>>? {
+            return if (reader.peek() == JsonReader.Token.BEGIN_OBJECT) deserializeMoshiMap(reader)
+            else deserializeGsonPair(reader)
+        }
+
+        // for compatibility with 0.21.0
+        private fun deserializeMoshiMap(reader: JsonReader): List<Pair<String, String>>? {
+            val map = mapAdapter.fromJson(reader) ?: return null
+
+            return map.entries.map {
+                it.key to it.value
+            }
+        }
+
+        private fun deserializeGsonPair(reader: JsonReader): List<Pair<String, String>>? {
+            val list = listAdapter.fromJson(reader) ?: return null
+
+            return list.map {
+                require(it.size == 2) {
+                    "pair with more or less than two elements: $list"
+                }
+
+                it["first"].orEmpty() to it["second"].orEmpty()
+            }
+        }
+    }
+}

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

@@ -0,0 +1,15 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.Conference
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Singleton
+
+@Dao
+@Singleton
+interface ConferenceDao : BaseDao<Conference> {
+
+    @Query("SELECT * FROM Conferences WHERE diary_id = :diaryId AND student_id = :studentId")
+    fun loadAll(diaryId: Int, studentId: Int): Flow<List<Conference>>
+}

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

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface GradePartialStatisticsDao : BaseDao<GradePartialStatistics> {
+
+    @Query("SELECT * FROM GradePartialStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradePartialStatistics>>
+}

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

@@ -0,0 +1,13 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface GradeSemesterStatisticsDao : BaseDao<GradeSemesterStatistics> {
+
+    @Query("SELECT * FROM GradeSemesterStatistics WHERE student_id = :studentId AND semester_id = :semesterId")
+    fun loadAll(semesterId: Int, studentId: Int): Flow<List<GradeSemesterStatistics>>
+}

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

@@ -1,18 +0,0 @@
-package io.github.wulkanowy.data.db.dao
-
-import androidx.room.Dao
-import androidx.room.Query
-import io.github.wulkanowy.data.db.entities.GradeStatistics
-import kotlinx.coroutines.flow.Flow
-import javax.inject.Singleton
-
-@Singleton
-@Dao
-interface GradeStatisticsDao : BaseDao<GradeStatistics> {
-
-    @Query("SELECT * FROM GradesStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND subject = :subjectName AND is_semester = :isSemester")
-    fun loadSubject(semesterId: Int, studentId: Int, subjectName: String, isSemester: Boolean): Flow<List<GradeStatistics>>
-
-    @Query("SELECT * FROM GradesStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND is_semester = :isSemester")
-    fun loadAll(semesterId: Int, studentId: Int, isSemester: Boolean): Flow<List<GradeStatistics>>
-}

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

@@ -12,7 +12,7 @@ interface MessagesDao : BaseDao<Message> {
 
     @Transaction
     @Query("SELECT * FROM Messages WHERE student_id = :studentId AND message_id = :messageId")
-    fun loadMessageWithAttachment(studentId: Int, messageId: Int): Flow<MessageWithAttachment>
+    fun loadMessageWithAttachment(studentId: Int, messageId: Int): Flow<MessageWithAttachment?>
 
     @Query("SELECT * FROM Messages WHERE student_id = :studentId AND folder_id = :folder ORDER BY date DESC")
     fun loadAll(studentId: Int, folder: Int): Flow<List<Message>>

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

@@ -0,0 +1,35 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import java.io.Serializable
+import java.time.LocalDateTime
+
+@Entity(tableName = "Conferences")
+data class Conference(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "diary_id")
+    val diaryId: Int,
+
+    val title: String,
+
+    val subject: String,
+
+    val agenda: String,
+
+    @ColumnInfo(name = "present_on_conference")
+    val presentOnConference: String,
+
+    @ColumnInfo(name = "conference_id")
+    val conferenceId: Int,
+
+    val date: LocalDateTime
+) : Serializable {
+
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

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

@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.db.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "GradePartialStatistics")
+data class GradePartialStatistics(
+
+    @ColumnInfo(name = "student_id")
+    val studentId: Int,
+
+    @ColumnInfo(name = "semester_id")
+    val semesterId: Int,
+
+    val subject: String,
+
+    @ColumnInfo(name = "class_average")
+    val classAverage: String,
+
+    @ColumnInfo(name = "student_average")
+    val studentAverage: String,
+
+    @ColumnInfo(name = "class_amounts")
+    val classAmounts: List<Int>,
+
+    @ColumnInfo(name = "student_amounts")
+    val studentAmounts: List<Int>
+
+) {
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0
+}

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

@@ -4,8 +4,8 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 
-@Entity(tableName = "GradesStatistics")
-data class GradeStatistics(
+@Entity(tableName = "GradeSemesterStatistics")
+data class GradeSemesterStatistics(
 
     @ColumnInfo(name = "student_id")
     val studentId: Int,
@@ -15,13 +15,14 @@ data class GradeStatistics(
 
     val subject: String,
 
-    val grade: Int,
+    val amounts: List<Int>,
 
-    val amount: Int,
-
-    @ColumnInfo(name = "is_semester")
-    val semester: Boolean
+    @ColumnInfo(name = "student_grade")
+    val studentGrade: Int
 ) {
     @PrimaryKey(autoGenerate = true)
     var id: Long = 0
+
+    @Transient
+    var average: String = ""
 }

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

@@ -36,12 +36,6 @@ data class Message(
 
     var unread: Boolean,
 
-    @ColumnInfo(name = "unread_by")
-    val unreadBy: Int,
-
-    @ColumnInfo(name = "read_by")
-    val readBy: Int,
-
     val removed: Boolean,
 
     @ColumnInfo(name = "has_attachments")
@@ -54,5 +48,11 @@ data class Message(
     @ColumnInfo(name = "is_notified")
     var isNotified: Boolean = true
 
+    @ColumnInfo(name = "unread_by")
+    var unreadBy: Int = 0
+
+    @ColumnInfo(name = "read_by")
+    var readBy: Int = 0
+
     var content: String = ""
 }

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

@@ -0,0 +1,23 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration28 : Migration(27, 28) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Conferences (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                diary_id INTEGER NOT NULL,
+                title TEXT NOT NULL,
+                subject TEXT NOT NULL,
+                agenda TEXT NOT NULL,
+                present_on_conference TEXT NOT NULL,
+                conference_id INTEGER NOT NULL,
+                date INTEGER NOT NULL
+            )
+        """)
+    }
+}

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

@@ -0,0 +1,33 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+
+class Migration29 : Migration(28, 29) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE IF EXISTS GradesStatistics")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS GradeSemesterStatistics (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                amounts TEXT NOT NULL,
+                student_grade INTEGER NOT NULL
+            )
+        """)
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS GradePartialStatistics (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                student_id INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                class_average TEXT NOT NULL,
+                student_average TEXT NOT NULL,
+                class_amounts TEXT NOT NULL,
+                student_amounts TEXT NOT NULL
+            )
+        """)
+    }
+}

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

@@ -1,3 +1,9 @@
 package io.github.wulkanowy.data.pojos
 
-class Contributor(val displayName: String, val githubUsername: String)
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+class Contributor(
+    val displayName: String,
+    val githubUsername: String
+)

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

@@ -1,14 +1,19 @@
 package io.github.wulkanowy.data.pojos
 
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.ui.modules.grade.statistics.ViewType
 
 data class GradeStatisticsItem(
 
     val type: ViewType,
 
-    val partial: List<GradeStatistics>,
+    val average: String,
+
+    val partial: GradePartialStatistics?,
+
+    val semester: GradeSemesterStatistics?,
 
     val points: GradePointsStatistics?
 )

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

@@ -1,7 +1,8 @@
 package io.github.wulkanowy.data.repositories.appcreator
 
 import android.content.res.AssetManager
-import com.google.gson.Gson
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
 import io.github.wulkanowy.data.pojos.Contributor
 import io.github.wulkanowy.utils.DispatchersProvider
 import kotlinx.coroutines.withContext
@@ -15,9 +16,9 @@ class AppCreatorRepository @Inject constructor(
 ) {
 
     suspend fun getAppCreators() = withContext(dispatchers.backgroundThread) {
-        Gson().fromJson(
-            assets.open("contributors.json").bufferedReader().use { it.readText() },
-            Array<Contributor>::class.java
-        ).toList()
+        val moshi = Moshi.Builder().build()
+        val type = Types.newParameterizedType(List::class.java, Contributor::class.java)
+        val adapter = moshi.adapter<List<Contributor>>(type)
+        adapter.fromJson(assets.open("contributors.json").bufferedReader().use { it.readText() })
     }
 }

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

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.repositories.conference
+
+import io.github.wulkanowy.data.db.dao.ConferenceDao
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ConferenceLocal @Inject constructor(private val conferenceDb: ConferenceDao) {
+
+    fun getConferences(student: Student, semester: Semester): Flow<List<Conference>> {
+        return conferenceDb.loadAll(semester.diaryId, student.studentId)
+    }
+
+    suspend fun saveConferences(items: List<Conference>) {
+        conferenceDb.insertAll(items)
+    }
+
+    suspend fun deleteConferences(items: List<Conference>) {
+        conferenceDb.deleteAll(items)
+    }
+}

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

@@ -0,0 +1,31 @@
+package io.github.wulkanowy.data.repositories.conference
+
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ConferenceRemote @Inject constructor(private val sdk: Sdk) {
+
+    suspend fun getConferences(student: Student, semester: Semester): List<Conference> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getConferences()
+            .map {
+                it.agenda
+                Conference(
+                    studentId = student.studentId,
+                    diaryId = semester.diaryId,
+                    agenda = it.agenda,
+                    conferenceId = it.id,
+                    date = it.date,
+                    presentOnConference = it.presentOnConference,
+                    subject = it.subject,
+                    title = it.title
+                )
+            }
+    }
+}

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

@@ -0,0 +1,25 @@
+package io.github.wulkanowy.data.repositories.conference
+
+import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.utils.networkBoundResource
+import io.github.wulkanowy.utils.uniqueSubtract
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class ConferenceRepository @Inject constructor(
+    private val local: ConferenceLocal,
+    private val remote: ConferenceRemote
+) {
+
+    fun getConferences(student: Student, semester: Semester, forceRefresh: Boolean) = networkBoundResource(
+        shouldFetch = { it.isEmpty() || forceRefresh },
+        query = { local.getConferences(student, semester) },
+        fetch = { remote.getConferences(student, semester) },
+        saveFetchResult = { old, new ->
+            local.deleteConferences(old uniqueSubtract new)
+            local.saveConferences(new uniqueSubtract old)
+        }
+    )
+}

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

@@ -2,9 +2,9 @@ package io.github.wulkanowy.data.repositories.exam
 
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.monday
+import io.github.wulkanowy.utils.endExamsDay
 import io.github.wulkanowy.utils.networkBoundResource
-import io.github.wulkanowy.utils.sunday
+import io.github.wulkanowy.utils.startExamsDay
 import io.github.wulkanowy.utils.uniqueSubtract
 import java.time.LocalDate
 import javax.inject.Inject
@@ -18,8 +18,8 @@ class ExamRepository @Inject constructor(
 
     fun getExams(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean) = networkBoundResource(
         shouldFetch = { it.isEmpty() || forceRefresh },
-        query = { local.getExams(semester, start.monday, end.sunday) },
-        fetch = { remote.getExams(student, semester, start.monday, end.sunday) },
+        query = { local.getExams(semester, start.startExamsDay, start.endExamsDay) },
+        fetch = { remote.getExams(student, semester, start.startExamsDay, start.endExamsDay) },
         saveFetchResult = { old, new ->
             local.deleteExams(old uniqueSubtract new)
             local.saveExams(new uniqueSubtract old)

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

@@ -1,9 +1,11 @@
 package io.github.wulkanowy.data.repositories.gradestatistics
 
+import io.github.wulkanowy.data.db.dao.GradePartialStatisticsDao
 import io.github.wulkanowy.data.db.dao.GradePointsStatisticsDao
-import io.github.wulkanowy.data.db.dao.GradeStatisticsDao
+import io.github.wulkanowy.data.db.dao.GradeSemesterStatisticsDao
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.db.entities.Semester
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
@@ -11,31 +13,47 @@ import javax.inject.Singleton
 
 @Singleton
 class GradeStatisticsLocal @Inject constructor(
-    private val gradeStatisticsDb: GradeStatisticsDao,
-    private val gradePointsStatisticsDb: GradePointsStatisticsDao
+    private val gradePartialStatisticsDb: GradePartialStatisticsDao,
+    private val gradePointsStatisticsDb: GradePointsStatisticsDao,
+    private val gradeSemesterStatisticsDb: GradeSemesterStatisticsDao
 ) {
 
-    fun getGradesStatistics(semester: Semester, isSemester: Boolean): Flow<List<GradeStatistics>> {
-        return gradeStatisticsDb.loadAll(semester.semesterId, semester.studentId, isSemester)
+    // partial
+    fun getGradePartialStatistics(semester: Semester): Flow<List<GradePartialStatistics>> {
+        return gradePartialStatisticsDb.loadAll(semester.semesterId, semester.studentId)
     }
 
-    fun getGradesPointsStatistics(semester: Semester): Flow<List<GradePointsStatistics>> {
+    suspend fun saveGradePartialStatistics(items: List<GradePartialStatistics>) {
+        gradePartialStatisticsDb.insertAll(items)
+    }
+
+    suspend fun deleteGradePartialStatistics(items: List<GradePartialStatistics>) {
+        gradePartialStatisticsDb.deleteAll(items)
+    }
+
+    // points
+    fun getGradePointsStatistics(semester: Semester): Flow<List<GradePointsStatistics>> {
         return gradePointsStatisticsDb.loadAll(semester.semesterId, semester.studentId)
     }
 
-    suspend fun saveGradesStatistics(gradesStatistics: List<GradeStatistics>) {
-        gradeStatisticsDb.insertAll(gradesStatistics)
-    }
-
-    suspend fun saveGradesPointsStatistics(gradePointsStatistics: List<GradePointsStatistics>) {
+    suspend fun saveGradePointsStatistics(gradePointsStatistics: List<GradePointsStatistics>) {
         gradePointsStatisticsDb.insertAll(gradePointsStatistics)
     }
 
-    suspend fun deleteGradesStatistics(gradesStatistics: List<GradeStatistics>) {
-        gradeStatisticsDb.deleteAll(gradesStatistics)
-    }
-
-    suspend fun deleteGradesPointsStatistics(gradesPointsStatistics: List<GradePointsStatistics>) {
+    suspend fun deleteGradePointsStatistics(gradesPointsStatistics: List<GradePointsStatistics>) {
         gradePointsStatisticsDb.deleteAll(gradesPointsStatistics)
     }
+
+    // semester
+    fun getGradeSemesterStatistics(semester: Semester): Flow<List<GradeSemesterStatistics>> {
+        return gradeSemesterStatisticsDb.loadAll(semester.semesterId, semester.studentId)
+    }
+
+    suspend fun saveGradeSemesterStatistics(items: List<GradeSemesterStatistics>) {
+        gradeSemesterStatisticsDb.insertAll(items)
+    }
+
+    suspend fun deleteGradeSemesterStatistics(items: List<GradeSemesterStatistics>) {
+        gradeSemesterStatisticsDb.deleteAll(items)
+    }
 }

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

@@ -1,7 +1,8 @@
 package io.github.wulkanowy.data.repositories.gradestatistics
 
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
@@ -12,20 +13,38 @@ import javax.inject.Singleton
 @Singleton
 class GradeStatisticsRemote @Inject constructor(private val sdk: Sdk) {
 
-    suspend fun getGradeStatistics(student: Student, semester: Semester, isSemester: Boolean): List<GradeStatistics> {
-        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear).let {
-            if (isSemester) it.getGradesAnnualStatistics(semester.semesterId)
-            else it.getGradesPartialStatistics(semester.semesterId)
-        }.map {
-            GradeStatistics(
-                semesterId = semester.semesterId,
-                studentId = semester.studentId,
-                subject = it.subject,
-                grade = it.gradeValue,
-                amount = it.amount,
-                semester = isSemester
-            )
-        }
+    suspend fun getGradePartialStatistics(student: Student, semester: Semester): List<GradePartialStatistics> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getGradesPartialStatistics(semester.semesterId)
+            .map {
+                GradePartialStatistics(
+                    semesterId = semester.semesterId,
+                    studentId = student.studentId,
+                    subject = it.subject,
+                    classAverage = it.classAverage,
+                    studentAverage = it.studentAverage,
+                    classAmounts = it.classItems
+                        .sortedBy { item -> item.grade }
+                        .map { item -> item.amount },
+                    studentAmounts = it.studentItems.map { item -> item.amount }
+                )
+            }
+    }
+
+    suspend fun getGradeSemesterStatistics(student: Student, semester: Semester): List<GradeSemesterStatistics> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getGradesSemesterStatistics(semester.semesterId)
+            .map {
+                GradeSemesterStatistics(
+                    semesterId = semester.semesterId,
+                    studentId = semester.studentId,
+                    subject = it.subject,
+                    amounts = it.items
+                        .sortedBy { item -> item.grade }
+                        .map { item -> item.amount },
+                    studentGrade = it.items.singleOrNull { item -> item.isStudentHere }?.grade ?: 0
+                )
+            }
     }
 
     suspend fun getGradePointsStatistics(student: Student, semester: Semester): List<GradePointsStatistics> {

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

@@ -1,13 +1,15 @@
 package io.github.wulkanowy.data.repositories.gradestatistics
 
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.GradeStatisticsItem
 import io.github.wulkanowy.ui.modules.grade.statistics.ViewType
 import io.github.wulkanowy.utils.networkBoundResource
 import io.github.wulkanowy.utils.uniqueSubtract
+import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -17,55 +19,125 @@ class GradeStatisticsRepository @Inject constructor(
     private val remote: GradeStatisticsRemote
 ) {
 
-    fun getGradesStatistics(student: Student, semester: Semester, subjectName: String, isSemester: Boolean, forceRefresh: Boolean) = networkBoundResource(
+    fun getGradesPartialStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
         shouldFetch = { it.isEmpty() || forceRefresh },
-        query = { local.getGradesStatistics(semester, isSemester) },
-        fetch = { remote.getGradeStatistics(student, semester, isSemester) },
+        query = { local.getGradePartialStatistics(semester) },
+        fetch = { remote.getGradePartialStatistics(student, semester) },
         saveFetchResult = { old, new ->
-            local.deleteGradesStatistics(old uniqueSubtract new)
-            local.saveGradesStatistics(new uniqueSubtract old)
+            local.deleteGradePartialStatistics(old uniqueSubtract new)
+            local.saveGradePartialStatistics(new uniqueSubtract old)
         },
         mapResult = { items ->
             when (subjectName) {
-                "Wszystkie" -> items.groupBy { it.grade }.map {
-                    GradeStatistics(semester.studentId, semester.semesterId, subjectName, it.key,
-                        it.value.fold(0) { acc, e -> acc + e.amount }, false)
-                } + items
+                "Wszystkie" -> {
+                    val numerator = items.map {
+                        it.classAverage.replace(",", ".").toDoubleOrNull() ?: .0
+                    }.filterNot { it == .0 }
+                    (items.reversed() + GradePartialStatistics(
+                        studentId = semester.studentId,
+                        semesterId = semester.semesterId,
+                        subject = subjectName,
+                        classAverage = if (numerator.isEmpty()) "" else numerator.average().let {
+                            "%.2f".format(Locale.FRANCE, it)
+                        },
+                        studentAverage = "",
+                        classAmounts = items.map { it.classAmounts }.sumGradeAmounts(),
+                        studentAmounts = items.map { it.studentAmounts }.sumGradeAmounts()
+                    )).reversed()
+                }
                 else -> items.filter { it.subject == subjectName }
-            }.mapToStatisticItems()
+            }.mapPartialToStatisticItems()
+        }
+    )
+
+    fun getGradesSemesterStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
+        shouldFetch = { it.isEmpty() || forceRefresh },
+        query = { local.getGradeSemesterStatistics(semester) },
+        fetch = { remote.getGradeSemesterStatistics(student, semester) },
+        saveFetchResult = { old, new ->
+            local.deleteGradeSemesterStatistics(old uniqueSubtract new)
+            local.saveGradeSemesterStatistics(new uniqueSubtract old)
+        },
+        mapResult = { items ->
+            val itemsWithAverage = items.map { item ->
+                item.copy().apply {
+                    val denominator = item.amounts.sum()
+                    average = if (denominator == 0) "" else (item.amounts.mapIndexed { gradeValue, amount ->
+                        (gradeValue + 1) * amount
+                    }.sum().toDouble() / denominator).let {
+                        "%.2f".format(Locale.FRANCE, it)
+                    }
+                }
+            }
+            when (subjectName) {
+                "Wszystkie" -> (itemsWithAverage.reversed() + GradeSemesterStatistics(
+                    studentId = semester.studentId,
+                    semesterId = semester.semesterId,
+                    subject = subjectName,
+                    amounts = itemsWithAverage.map { it.amounts }.sumGradeAmounts(),
+                    studentGrade = 0
+                ).apply {
+                    average = itemsWithAverage.mapNotNull { it.average.replace(",", ".").toDoubleOrNull() }.average().let {
+                        "%.2f".format(Locale.FRANCE, it)
+                    }
+                }).reversed()
+                else -> itemsWithAverage.filter { it.subject == subjectName }
+            }.mapSemesterToStatisticItems()
         }
     )
 
     fun getGradesPointsStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean) = networkBoundResource(
         shouldFetch = { it.isEmpty() || forceRefresh },
-        query = { local.getGradesPointsStatistics(semester) },
+        query = { local.getGradePointsStatistics(semester) },
         fetch = { remote.getGradePointsStatistics(student, semester) },
         saveFetchResult = { old, new ->
-            local.deleteGradesPointsStatistics(old uniqueSubtract new)
-            local.saveGradesPointsStatistics(new uniqueSubtract old)
+            local.deleteGradePointsStatistics(old uniqueSubtract new)
+            local.saveGradePointsStatistics(new uniqueSubtract old)
         },
         mapResult = { items ->
             when (subjectName) {
                 "Wszystkie" -> items
                 else -> items.filter { it.subject == subjectName }
-            }.mapToStatisticsItem()
+            }.mapPointsToStatisticsItems()
         }
     )
 
-    private fun List<GradeStatistics>.mapToStatisticItems() = groupBy { it.subject }.map {
+    private fun List<List<Int>>.sumGradeAmounts(): List<Int> {
+        val result = mutableListOf(0, 0, 0, 0, 0, 0)
+        forEach {
+            it.forEachIndexed { grade, amount ->
+                result[grade] += amount
+            }
+        }
+        return result
+    }
+
+    private fun List<GradePartialStatistics>.mapPartialToStatisticItems() = filterNot { it.classAmounts.isEmpty() }.map {
         GradeStatisticsItem(
             type = ViewType.PARTIAL,
-            partial = it.value
-                .sortedByDescending { item -> item.grade }
-                .filter { item -> item.amount != 0 },
-            points = null
+            average = it.classAverage,
+            partial = it,
+            points = null,
+            semester = null
         )
     }
 
-    private fun List<GradePointsStatistics>.mapToStatisticsItem() = map {
+    private fun List<GradeSemesterStatistics>.mapSemesterToStatisticItems() = filterNot { it.amounts.isEmpty() }.map {
+        GradeStatisticsItem(
+            type = ViewType.SEMESTER,
+            partial = null,
+            points = null,
+            average = "",
+            semester = it
+        )
+    }
+
+    private fun List<GradePointsStatistics>.mapPointsToStatisticsItems() = map {
         GradeStatisticsItem(
             type = ViewType.POINTS,
-            partial = emptyList(),
+            partial = null,
+            semester = null,
+            average = "",
             points = it
         )
     }

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

@@ -6,7 +6,6 @@ import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.MessageAttachment
 import io.github.wulkanowy.data.db.entities.MessageWithAttachment
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.data.repositories.message.MessageFolder.TRASHED
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -29,7 +28,7 @@ class MessageLocal @Inject constructor(
         messagesDb.deleteAll(messages)
     }
 
-    fun getMessageWithAttachment(student: Student, message: Message): Flow<MessageWithAttachment> {
+    fun getMessageWithAttachment(student: Student, message: Message): Flow<MessageWithAttachment?> {
         return messagesDb.loadMessageWithAttachment(student.id.toInt(), message.messageId)
     }
 

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

@@ -30,12 +30,12 @@ class MessageRemote @Inject constructor(private val sdk: Sdk) {
                 date = it.date ?: now(),
                 folderId = it.folderId,
                 unread = it.unread ?: false,
-                unreadBy = it.unreadBy ?: 0,
-                readBy = it.readBy ?: 0,
                 removed = it.removed,
                 hasAttachments = it.hasAttachments
             ).apply {
                 content = it.content.orEmpty()
+                unreadBy = it.unreadBy ?: 0
+                readBy = it.readBy ?: 0
             }
         }
     }

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

@@ -34,12 +34,14 @@ class MessageRepository @Inject constructor(
 
     fun getMessage(student: Student, message: Message, markAsRead: Boolean = false) = networkBoundResource(
         shouldFetch = {
+            checkNotNull(it, { "This message no longer exist!" })
             Timber.d("Message content in db empty: ${it.message.content.isEmpty()}")
             it.message.unread || it.message.content.isEmpty()
         },
         query = { local.getMessageWithAttachment(student, message) },
-        fetch = { remote.getMessagesContentDetails(student, it.message, markAsRead) },
+        fetch = { remote.getMessagesContentDetails(student, it!!.message, markAsRead) },
         saveFetchResult = { old, (downloadedMessage, attachments) ->
+            checkNotNull(old, { "Fetched message no longer exist!" })
             local.updateMessages(listOf(old.message.copy(unread = !markAsRead).apply {
                 id = old.message.id
                 content = content.ifBlank { downloadedMessage }

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

@@ -5,6 +5,7 @@ import android.content.SharedPreferences
 import dagger.hilt.android.qualifiers.ApplicationContext
 import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.modules.grade.GradeAverageMode
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -74,12 +75,25 @@ class PreferencesRepository @Inject constructor(
     val fillMessageContent: Boolean
         get() = getBoolean(R.string.pref_key_fill_message_content, R.bool.pref_default_fill_message_content)
 
+    val showGroupsInPlan: Boolean
+        get() = getBoolean(R.string.pref_key_timetable_show_groups, R.bool.pref_default_timetable_show_groups)
+
     val showWholeClassPlan: String
         get() = getString(R.string.pref_key_timetable_show_whole_class, R.string.pref_default_timetable_show_whole_class)
 
+    val gradeSortingMode: GradeSortingMode
+        get() = GradeSortingMode.getByValue(getString(R.string.pref_key_grade_sorting_mode, R.string.pref_default_grade_sorting_mode))
+
     val showTimetableTimers: Boolean
         get() = getBoolean(R.string.pref_key_timetable_show_timers, R.bool.pref_default_timetable_show_timers)
 
+    var isHomeworkFullscreen: Boolean
+        get() = getBoolean(R.string.pref_key_homework_fullscreen, R.bool.pref_default_homework_fullscreen)
+        set(value) = sharedPref.edit().putBoolean("homework_fullscreen", value).apply()
+
+    val showSubjectsWithoutGrades: Boolean
+        get() = getBoolean(R.string.pref_key_subjects_without_grades, R.bool.pref_default_subjects_without_grades)
+
     private fun getString(id: Int, default: Int) = getString(context.getString(id), default)
 
     private fun getString(id: String, default: Int) = sharedPref.getString(id, context.getString(default)) ?: context.getString(default)

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

@@ -8,6 +8,7 @@ import io.github.wulkanowy.utils.getCurrentOrLast
 import io.github.wulkanowy.utils.isCurrent
 import io.github.wulkanowy.utils.uniqueSubtract
 import kotlinx.coroutines.withContext
+import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -41,7 +42,7 @@ class SemesterRepository @Inject constructor(
 
     private suspend fun refreshSemesters(student: Student) {
         val new = remote.getSemesters(student)
-        if (new.isEmpty()) throw IllegalArgumentException("Empty semester list!")
+        if (new.isEmpty()) return Timber.i("Empty semester list!")
 
         val old = local.getSemesters(student)
         local.deleteSemesters(old.uniqueSubtract(new))

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

@@ -14,7 +14,7 @@ class TimetableRemote @Inject constructor(private val sdk: Sdk) {
 
     suspend fun getTimetable(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): List<Timetable> {
         return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
-            .getTimetable(startDate, endDate)
+            .getTimetable(startDate, endDate).first
             .map {
                 Timetable(
                     studentId = semester.studentId,

app/src/main/java/io/github/wulkanowy/di/AppModule.kt

@@ -6,13 +6,13 @@ import com.yariksoffice.lingver.Lingver
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.android.components.ApplicationComponent
 import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
 import io.github.wulkanowy.utils.DispatchersProvider
 import javax.inject.Singleton
 
 @Module
-@InstallIn(ApplicationComponent::class)
+@InstallIn(SingletonComponent::class)
 internal class AppModule {
 
     @Singleton

app/src/main/java/io/github/wulkanowy/services/ServicesModule.kt

@@ -9,8 +9,8 @@ import dagger.Binds
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
-import dagger.hilt.android.components.ApplicationComponent
 import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
 import dagger.multibindings.IntoSet
 import io.github.wulkanowy.services.sync.channels.Channel
 import io.github.wulkanowy.services.sync.channels.DebugChannel
@@ -38,7 +38,7 @@ import javax.inject.Singleton
 
 @Suppress("unused")
 @Module
-@InstallIn(ApplicationComponent::class)
+@InstallIn(SingletonComponent::class)
 abstract class ServicesModule {
 
     companion object {

app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationSchedulerHelper.kt

@@ -26,7 +26,9 @@ import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companio
 import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_ID
 import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.STUDENT_NAME
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.DispatchersProvider
 import io.github.wulkanowy.utils.toTimestamp
+import kotlinx.coroutines.withContext
 import timber.log.Timber
 import java.time.LocalDateTime
 import java.time.LocalDateTime.now
@@ -35,7 +37,8 @@ import javax.inject.Inject
 class TimetableNotificationSchedulerHelper @Inject constructor(
     @ApplicationContext private val context: Context,
     private val alarmManager: AlarmManager,
-    private val preferencesRepository: PreferencesRepository
+    private val preferencesRepository: PreferencesRepository,
+    private val dispatchersProvider: DispatchersProvider,
 ) {
 
     private fun getRequestCode(time: LocalDateTime, studentId: Int) = (time.toTimestamp() * studentId).toInt()
@@ -44,13 +47,15 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
         return day.getOrNull(index - 1)?.end ?: lesson.start.minusMinutes(30)
     }
 
-    fun cancelScheduled(lessons: List<Timetable>, studentId: Int = 1) {
-        lessons.sortedBy { it.start }.forEachIndexed { index, lesson ->
-            val upcomingTime = getUpcomingLessonTime(index, lessons, lesson)
-            cancelScheduledTo(upcomingTime..lesson.start, getRequestCode(upcomingTime, studentId))
-            cancelScheduledTo(lesson.start..lesson.end, getRequestCode(lesson.start, studentId))
+    suspend fun cancelScheduled(lessons: List<Timetable>, studentId: Int = 1) {
+        withContext(dispatchersProvider.backgroundThread) {
+            lessons.sortedBy { it.start }.forEachIndexed { index, lesson ->
+                val upcomingTime = getUpcomingLessonTime(index, lessons, lesson)
+                cancelScheduledTo(upcomingTime..lesson.start, getRequestCode(upcomingTime, studentId))
+                cancelScheduledTo(lesson.start..lesson.end, getRequestCode(lesson.start, studentId))
 
-            Timber.d("TimetableNotification canceled: type 1 & 2, subject: ${lesson.subject}, start: ${lesson.start}, student: $studentId")
+                Timber.d("TimetableNotification canceled: type 1 & 2, subject: ${lesson.subject}, start: ${lesson.start}, student: $studentId")
+            }
         }
     }
 
@@ -61,28 +66,34 @@ class TimetableNotificationSchedulerHelper @Inject constructor(
 
     fun cancelNotification() = NotificationManagerCompat.from(context).cancel(MainView.Section.TIMETABLE.id)
 
-    fun scheduleNotifications(lessons: List<Timetable>, student: Student) {
+    suspend fun scheduleNotifications(lessons: List<Timetable>, student: Student) {
         if (!preferencesRepository.isUpcomingLessonsNotificationsEnable) return cancelScheduled(lessons, student.studentId)
 
-        lessons.groupBy { it.date }
-            .map { it.value.sortedBy { lesson -> lesson.start } }
-            .map { it.filter { lesson -> !lesson.canceled && lesson.isStudentPlan } }
-            .map { day ->
-                day.forEachIndexed { index, lesson ->
-                    val intent = createIntent(student, lesson, day.getOrNull(index + 1))
+        withContext(dispatchersProvider.backgroundThread) {
+            lessons.groupBy { it.date }
+                .map { it.value.sortedBy { lesson -> lesson.start } }
+                .map { it.filter { lesson -> lesson.isStudentPlan } }
+                .map { day ->
+                    val canceled = day.filter { it.canceled }
+                    val active = day.filter { !it.canceled }
 
-                    if (lesson.start > now()) {
-                        scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_UPCOMING, getUpcomingLessonTime(index, day, lesson))
-                    }
+                    cancelScheduled(canceled)
+                    active.forEachIndexed { index, lesson ->
+                        val intent = createIntent(student, lesson, active.getOrNull(index + 1))
 
-                    if (lesson.end > now()) {
-                        scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_CURRENT, lesson.start)
-                        if (day.lastIndex == index) {
-                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION, lesson.end)
+                        if (lesson.start > now()) {
+                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_UPCOMING, getUpcomingLessonTime(index, active, lesson))
+                        }
+
+                        if (lesson.end > now()) {
+                            scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_CURRENT, lesson.start)
+                            if (active.lastIndex == index) {
+                                scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION, lesson.end)
+                            }
                         }
                     }
                 }
-            }
+        }
     }
 
     private fun createIntent(student: Student, lesson: Timetable, nextLesson: Timetable?): Intent {

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

@@ -44,6 +44,7 @@ class SyncManager @Inject constructor(
 
         if (SDK_INT >= O) {
             channels.forEach { it.create() }
+            notificationManager.deleteNotificationChannel("lesson_channel")
             notificationManager.deleteNotificationChannel("new_entries_channel")
         }
 

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

@@ -50,13 +50,16 @@ class SyncWorker @WorkerInject constructor(
             } catch (e: Throwable) {
                 Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
                 if (e is FeatureDisabledException || e is FeatureNotAvailableException) null
-                else e
+                else {
+                    Timber.e(e)
+                    e
+                }
             }
         }
         val result = when {
             exceptions.isNotEmpty() && inputData.getBoolean("one_time", false) -> {
                 Result.failure(Data.Builder()
-                    .putString("error", exceptions.toString())
+                    .putString("error", exceptions.map { it.stackTraceToString() }.toString())
                     .build()
                 )
             }

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

@@ -17,7 +17,7 @@ class UpcomingLessonsChannel @Inject constructor(
 ) : Channel {
 
     companion object {
-        const val CHANNEL_ID = "lesson_channel"
+        const val CHANNEL_ID = "upcoming_lesson_channel"
     }
 
     override fun create() {

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

@@ -3,8 +3,6 @@ package io.github.wulkanowy.services.sync.works
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.exam.ExamRepository
-import io.github.wulkanowy.utils.monday
-import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
@@ -12,6 +10,6 @@ import javax.inject.Inject
 class ExamWork @Inject constructor(private val examRepository: ExamRepository) : Work {
 
     override suspend fun doWork(student: Student, semester: Semester) {
-        examRepository.getExams(student, semester, now().monday, now().sunday, true).waitForResult()
+        examRepository.getExams(student, semester, now(), now(), true).waitForResult()
     }
 }

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

@@ -12,8 +12,8 @@ class GradeStatisticsWork @Inject constructor(
 
     override suspend fun doWork(student: Student, semester: Semester) {
         with(gradeStatisticsRepository) {
-            getGradesStatistics(student, semester, "Wszystkie", isSemester = true, forceRefresh = true).waitForResult()
-            getGradesStatistics(student, semester, "Wszystkie", isSemester = false, forceRefresh = true).waitForResult()
+            getGradesPartialStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
+            getGradesSemesterStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
             getGradesPointsStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
         }
     }

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

@@ -14,6 +14,9 @@ import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.note.NoteRepository
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory.NEUTRAL
+import io.github.wulkanowy.sdk.scrapper.notes.NoteCategory.POSITIVE
 import io.github.wulkanowy.services.sync.channels.NewNotesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
@@ -41,8 +44,20 @@ class NoteWork @Inject constructor(
 
     private fun notify(notes: List<Note>) {
         notificationManager.notify(Random.nextInt(Int.MAX_VALUE), NotificationCompat.Builder(context, NewNotesChannel.CHANNEL_ID)
-            .setContentTitle(context.resources.getQuantityString(R.plurals.note_new_items, notes.size, notes.size))
-            .setContentText(context.resources.getQuantityString(R.plurals.note_notify_new_items, notes.size, notes.size))
+            .setContentTitle(
+                when (NoteCategory.getByValue(notes.first().categoryType)) {
+                    POSITIVE -> context.resources.getQuantityString(R.plurals.praise_new_items, notes.size, notes.size)
+                    NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_new_items, notes.size, notes.size)
+                    else -> context.resources.getQuantityString(R.plurals.note_new_items, notes.size, notes.size)
+                }
+            )
+            .setContentText(
+                when (NoteCategory.getByValue(notes.first().categoryType)) {
+                    POSITIVE -> context.resources.getQuantityString(R.plurals.praise_notify_new_items, notes.size, notes.size)
+                    NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_notify_new_items, notes.size, notes.size)
+                    else -> context.resources.getQuantityString(R.plurals.note_notify_new_items, notes.size, notes.size)
+                }
+            )
             .setSmallIcon(R.drawable.ic_stat_note)
             .setAutoCancel(true)
             .setDefaults(DEFAULT_ALL)
@@ -52,7 +67,13 @@ class NoteWork @Inject constructor(
                 PendingIntent.getActivity(context, MainView.Section.NOTE.id,
                     MainActivity.getStartIntent(context, MainView.Section.NOTE, true), FLAG_UPDATE_CURRENT))
             .setStyle(NotificationCompat.InboxStyle().run {
-                setSummaryText(context.resources.getQuantityString(R.plurals.note_number_item, notes.size, notes.size))
+                setSummaryText(
+                    when (NoteCategory.getByValue(notes.first().categoryType)) {
+                        POSITIVE -> context.resources.getQuantityString(R.plurals.praise_number_item, notes.size, notes.size)
+                        NEUTRAL -> context.resources.getQuantityString(R.plurals.neutral_note_number_item, notes.size, notes.size)
+                        else -> context.resources.getQuantityString(R.plurals.note_number_item, notes.size, notes.size)
+                    }
+                )
                 notes.forEach { addLine("${it.teacher}: ${it.category}") }
                 this
             })

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

@@ -3,10 +3,15 @@ package io.github.wulkanowy.ui.base
 import android.widget.Toast
 import androidx.fragment.app.DialogFragment
 import androidx.viewbinding.ViewBinding
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.lifecycleAwareVariable
+import javax.inject.Inject
 
 abstract class BaseDialogFragment<VB : ViewBinding> : DialogFragment(), BaseView {
 
+    @Inject
+    lateinit var analyticsHelper: AnalyticsHelper
+
     protected var binding: VB by lifecycleAwareVariable()
 
     override fun showError(text: String, error: Throwable) {
@@ -28,4 +33,14 @@ abstract class BaseDialogFragment<VB : ViewBinding> : DialogFragment(), BaseView
     override fun showErrorDetailsDialog(error: Throwable) {
         ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
     }
+
+    override fun onResume() {
+        super.onResume()
+        analyticsHelper.setCurrentScreen(requireActivity(), this::class.simpleName)
+    }
+
+    override fun onPause() {
+        super.onPause()
+        analyticsHelper.popCurrentScreen(this::class.simpleName)
+    }
 }

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

@@ -7,6 +7,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -63,7 +64,7 @@ open class BasePresenter<T : BaseView>(
 
     fun <T> Flow<T>.launch(individualJobTag: String = "load"): Job {
         jobs[individualJobTag]?.cancel()
-        val job = launchIn(this@BasePresenter)
+        val job = catch { errorHandler.dispatch(it) }.launchIn(this@BasePresenter)
         jobs[individualJobTag] = job
         Timber.d("Job $individualJobTag launched in ${this@BasePresenter.javaClass.simpleName}: $job")
         return job

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

@@ -22,9 +22,11 @@ import io.github.wulkanowy.utils.getString
 import io.github.wulkanowy.utils.openAppInMarket
 import io.github.wulkanowy.utils.openEmailClient
 import io.github.wulkanowy.utils.openInternetBrowser
+import okhttp3.internal.http2.StreamResetException
 import java.io.InterruptedIOException
 import java.io.PrintWriter
 import java.io.StringWriter
+import java.net.ConnectException
 import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 import javax.inject.Inject
@@ -85,6 +87,8 @@ class ErrorDialog : BaseDialogFragment<DialogErrorBinding>() {
             errorDialogReport.isEnabled = when (error) {
                 is UnknownHostException,
                 is InterruptedIOException,
+                is ConnectException,
+                is StreamResetException,
                 is SocketTimeoutException,
                 is ServiceUnavailableException,
                 is FeatureDisabledException,

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

@@ -58,6 +58,11 @@ class AboutFragment : BaseFragment<FragmentAboutBinding>(R.layout.fragment_about
             Triple(getString(R.string.about_discord), getString(R.string.about_discord_summary), getCompatDrawable(R.drawable.ic_about_discord))
         }
 
+    override val facebookRes: Triple<String, String, Drawable?>?
+        get() = context?.run {
+            Triple(getString(R.string.about_facebook), getString(R.string.about_facebook_summary), getCompatDrawable(R.drawable.ic_about_facebook))
+        }
+
     override val homepageRes: Triple<String, String, Drawable?>?
         get() = context?.run {
             Triple(getString(R.string.about_homepage), getString(R.string.about_homepage_summary), getCompatDrawable(R.drawable.ic_about_homepage))
@@ -113,6 +118,10 @@ class AboutFragment : BaseFragment<FragmentAboutBinding>(R.layout.fragment_about
         context?.openInternetBrowser("https://discord.gg/vccAQBr", ::showMessage)
     }
 
+    override fun openFacebookPage() {
+        context?.openInternetBrowser("https://www.facebook.com/wulkanowy", ::showMessage)
+    }
+
     override fun openHomepage() {
         context?.openInternetBrowser("https://wulkanowy.github.io/", ::showMessage)
     }

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

@@ -3,8 +3,8 @@ package io.github.wulkanowy.ui.modules.about
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.AppInfo
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -12,7 +12,7 @@ class AboutPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val appInfo: AppInfo,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AboutView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AboutView) {
@@ -46,6 +46,11 @@ class AboutPresenter @Inject constructor(
                     openDiscordInvite()
                     analytics.logEvent("about_open", "name" to "discord")
                 }
+                facebookRes?.first -> {
+                    Timber.i("Opening facebook")
+                    openFacebookPage()
+                    analytics.logEvent("about_open", "name" to "facebook")
+                }
                 homepageRes?.first -> {
                     Timber.i("Opening homepage")
                     openHomepage()
@@ -78,6 +83,7 @@ class AboutPresenter @Inject constructor(
                 feedbackRes,
                 faqRes,
                 discordRes,
+                facebookRes,
                 homepageRes,
                 licensesRes,
                 privacyRes

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

@@ -15,6 +15,8 @@ interface AboutView : BaseView {
 
     val discordRes: Triple<String, String, Drawable?>?
 
+    val facebookRes: Triple<String, String, Drawable?>?
+
     val homepageRes: Triple<String, String, Drawable?>?
 
     val licensesRes: Triple<String, String, Drawable?>?
@@ -31,6 +33,8 @@ interface AboutView : BaseView {
 
     fun openDiscordInvite()
 
+    fun openFacebookPage()
+
     fun openEmailClient()
 
     fun openFaqPage()

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

@@ -9,6 +9,7 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.repositories.attendance.SentExcuseStatus
 import io.github.wulkanowy.databinding.ItemAttendanceBinding
+import io.github.wulkanowy.utils.description
 import javax.inject.Inject
 
 class AttendanceAdapter @Inject constructor() :
@@ -34,7 +35,7 @@ class AttendanceAdapter @Inject constructor() :
         with(holder.binding) {
             attendanceItemNumber.text = item.number.toString()
             attendanceItemSubject.text = item.subject
-            attendanceItemDescription.text = item.name
+            attendanceItemDescription.setText(item.description)
             attendanceItemAlert.visibility = item.run { if (absence && !excused) View.VISIBLE else View.INVISIBLE }
             attendanceItemNumber.visibility = View.GONE
             attendanceItemExcuseInfo.visibility = View.GONE

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

@@ -7,6 +7,7 @@ import android.view.ViewGroup
 import androidx.fragment.app.DialogFragment
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.databinding.DialogAttendanceBinding
+import io.github.wulkanowy.utils.description
 import io.github.wulkanowy.utils.lifecycleAwareVariable
 import io.github.wulkanowy.utils.toFormattedString
 
@@ -43,7 +44,7 @@ class AttendanceDialog : DialogFragment() {
 
         with(binding) {
             attendanceDialogSubject.text = attendance.subject
-            attendanceDialogDescription.text = attendance.name
+            attendanceDialogDescription.setText(attendance.description)
             attendanceDialogDate.text = attendance.date.toFormattedString()
             attendanceDialogNumber.text = attendance.number.toString()
             attendanceDialogClose.setOnClickListener { dismiss() }

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

@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -34,7 +34,7 @@ class AttendancePresenter @Inject constructor(
     private val attendanceRepository: AttendanceRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AttendanceView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().previousOrSameSchoolDay

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

@@ -8,7 +8,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -22,7 +22,7 @@ class AttendanceSummaryPresenter @Inject constructor(
     private val attendanceSummaryRepository: AttendanceSummaryRepository,
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()

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

@@ -0,0 +1,36 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.databinding.ItemConferenceBinding
+import io.github.wulkanowy.utils.toFormattedString
+import javax.inject.Inject
+
+class ConferenceAdapter @Inject constructor() :
+    RecyclerView.Adapter<ConferenceAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Conference>()
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemConferenceBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+        with(holder.binding) {
+            conferenceItemDate.text = item.date.toFormattedString("dd.MM.yyyy HH:mm")
+            conferenceItemName.text = item.presentOnConference
+            conferenceItemTitle.text = item.title
+            conferenceItemSubject.text = item.subject
+            conferenceItemContent.text = item.agenda
+            conferenceItemContent.visibility = if (item.agenda.isBlank()) View.GONE else View.VISIBLE
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemConferenceBinding) : RecyclerView.ViewHolder(binding.root)
+}

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

@@ -0,0 +1,102 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import android.os.Bundle
+import android.view.View
+import androidx.recyclerview.widget.LinearLayoutManager
+import dagger.hilt.android.AndroidEntryPoint
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.databinding.FragmentConferenceBinding
+import io.github.wulkanowy.ui.base.BaseFragment
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ConferenceFragment : BaseFragment<FragmentConferenceBinding>(R.layout.fragment_conference),
+    ConferenceView, MainView.TitledView {
+
+    @Inject
+    lateinit var presenter: ConferencePresenter
+
+    @Inject
+    lateinit var conferencesAdapter: ConferenceAdapter
+
+    companion object {
+        fun newInstance() = ConferenceFragment()
+    }
+
+    override val isViewEmpty: Boolean
+        get() = conferencesAdapter.items.isEmpty()
+
+    override val titleStringId: Int
+        get() = R.string.conferences_title
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentConferenceBinding.bind(view)
+        messageContainer = binding.conferenceRecycler
+        presenter.onAttachView(this)
+    }
+
+    override fun initView() {
+        with(binding.conferenceRecycler) {
+            layoutManager = LinearLayoutManager(context)
+            adapter = conferencesAdapter
+            addItemDecoration(DividerItemDecoration(context))
+        }
+
+        with(binding) {
+            conferenceSwipe.setOnRefreshListener { presenter.onSwipeRefresh() }
+            conferenceErrorRetry.setOnClickListener { presenter.onRetry() }
+            conferenceErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+        }
+    }
+
+    override fun updateData(data: List<Conference>) {
+        with(conferencesAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun clearData() {
+        with(conferencesAdapter) {
+            items = emptyList()
+            notifyDataSetChanged()
+        }
+    }
+
+    override fun hideRefresh() {
+        binding.conferenceSwipe.isRefreshing = false
+    }
+
+    override fun showProgress(show: Boolean) {
+        binding.conferenceProgress.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showEmpty(show: Boolean) {
+        binding.conferenceEmpty.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        binding.conferenceError.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        binding.conferenceErrorMessage.text = message
+    }
+
+    override fun enableSwipe(enable: Boolean) {
+        binding.conferenceSwipe.isEnabled = enable
+    }
+
+    override fun showContent(show: Boolean) {
+        binding.conferenceRecycler.visibility = if (show) View.VISIBLE else View.GONE
+    }
+
+    override fun onDestroyView() {
+        presenter.onDetachView()
+        super.onDestroyView()
+    }
+}

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

@@ -0,0 +1,96 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import io.github.wulkanowy.data.Status
+import io.github.wulkanowy.data.repositories.conference.ConferenceRepository
+import io.github.wulkanowy.data.repositories.semester.SemesterRepository
+import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.ui.base.BasePresenter
+import io.github.wulkanowy.ui.base.ErrorHandler
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.afterLoading
+import io.github.wulkanowy.utils.flowWithResourceIn
+import kotlinx.coroutines.flow.onEach
+import timber.log.Timber
+import javax.inject.Inject
+
+class ConferencePresenter @Inject constructor(
+    errorHandler: ErrorHandler,
+    studentRepository: StudentRepository,
+    private val semesterRepository: SemesterRepository,
+    private val conferenceRepository: ConferenceRepository,
+    private val analytics: AnalyticsHelper
+) : BasePresenter<ConferenceView>(errorHandler, studentRepository) {
+
+    private lateinit var lastError: Throwable
+
+    override fun onAttachView(view: ConferenceView) {
+        super.onAttachView(view)
+        view.initView()
+        Timber.i("Conferences view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
+        loadData()
+    }
+
+    fun onSwipeRefresh() {
+        loadData(true)
+    }
+
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
+    private fun loadData(forceRefresh: Boolean = false) {
+        flowWithResourceIn {
+            val student = studentRepository.getCurrentStudent()
+            val semester = semesterRepository.getCurrentSemester(student)
+            conferenceRepository.getConferences(student, semester, forceRefresh)
+        }.onEach {
+            when (it.status) {
+                Status.LOADING -> Timber.i("Loading conference data started")
+                Status.SUCCESS -> {
+                    Timber.i("Loading conference result: Success")
+                    view?.run {
+                        updateData(it.data!!.sortedByDescending { conference -> conference.date })
+                        showContent(it.data.isNotEmpty())
+                        showEmpty(it.data.isEmpty())
+                        showErrorView(false)
+                    }
+                    analytics.logEvent(
+                        "load_data",
+                        "type" to "conferences",
+                        "items" to it.data!!.size
+                    )
+                }
+                Status.ERROR -> {
+                    Timber.i("Loading conference result: An exception occurred")
+                    errorHandler.dispatch(it.error!!)
+                }
+            }
+        }.afterLoading {
+            view?.run {
+                hideRefresh()
+                showProgress(false)
+                enableSwipe(true)
+            }
+        }.launch()
+    }
+}

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

@@ -0,0 +1,29 @@
+package io.github.wulkanowy.ui.modules.conference
+
+import io.github.wulkanowy.data.db.entities.Conference
+import io.github.wulkanowy.ui.base.BaseView
+
+interface ConferenceView : BaseView {
+
+    val isViewEmpty: Boolean
+
+    fun initView()
+
+    fun updateData(data: List<Conference>)
+
+    fun clearData()
+
+    fun hideRefresh()
+
+    fun showEmpty(show: Boolean)
+
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
+    fun showProgress(show: Boolean)
+
+    fun enableSwipe(enable: Boolean)
+
+    fun showContent(show: Boolean)
+}

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

@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -30,7 +30,7 @@ class ExamPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val examRepository: ExamRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<ExamView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay

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

@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.getCurrentOrLast
 import kotlinx.coroutines.delay
@@ -18,7 +18,7 @@ class GradePresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     var selectedIndex = 0

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

@@ -0,0 +1,10 @@
+package io.github.wulkanowy.ui.modules.grade
+
+enum class GradeSortingMode(val value: String) {
+    ALPHABETIC("alphabetic"),
+    DATE("date");
+
+    companion object {
+        fun getByValue(value: String) = values().firstOrNull { it.value == value } ?: ALPHABETIC
+    }
+}

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

@@ -40,10 +40,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
     }
 
     fun updateDetailsItem(position: Int, grade: Grade) {
-        if (items.getOrNull(position)?.viewType != ViewType.ITEM) {
-            Timber.e("Trying to update item $position on list ${items.size} size, expanded position: $expandedPosition")
-            return
-        }
         items[position] = GradeDetailsItem(grade, ViewType.ITEM)
         notifyItemChanged(position)
     }
@@ -62,10 +58,6 @@ class GradeDetailsAdapter @Inject constructor() : BaseExpandableAdapter<Recycler
         val headerPosition = headers.indexOf(item)
         val itemPosition = items.indexOf(item)
 
-        if (headerPosition == NO_POSITION || itemPosition == NO_POSITION) {
-            Timber.e("Invalid update header positions! Header: $headerPosition, item: $itemPosition")
-        }
-
         headers[headerPosition] = item
         items[itemPosition] = item
         notifyItemChanged(itemPosition)

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

@@ -14,6 +14,7 @@ data class GradeDetailsHeader(
     val subject: String,
     val average: Double?,
     val pointsSum: String?,
-    var newGrades: Int,
     val grades: List<GradeDetailsItem>
-)
+) {
+    var newGrades = 0
+}

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

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.grade.details
 
+import android.annotation.SuppressLint
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.repositories.grade.GradeRepository
@@ -10,7 +11,9 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.ALPHABETIC
+import io.github.wulkanowy.ui.modules.grade.GradeSortingMode.DATE
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -26,7 +29,7 @@ class GradeDetailsPresenter @Inject constructor(
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository) {
 
     private var newGradesAmount: Int = 0
@@ -78,7 +81,10 @@ class GradeDetailsPresenter @Inject constructor(
         }.onEach {
             when (it.status) {
                 Status.LOADING -> Timber.i("Select mark grades as read")
-                Status.SUCCESS -> Timber.i("Mark as read result: Success")
+                Status.SUCCESS -> {
+                    Timber.i("Mark as read result: Success")
+                    loadData(currentSemesterId, false)
+                }
                 Status.ERROR -> {
                     Timber.i("Mark as read result: An exception occurred")
                     errorHandler.dispatch(it.error!!)
@@ -184,10 +190,20 @@ class GradeDetailsPresenter @Inject constructor(
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun createGradeItems(items: List<GradeDetailsWithAverage>): List<GradeDetailsItem> {
         return items
-            .filter { it.grades.isNotEmpty() }
-            .sortedBy { it.subject }
+            .let { gradesWithAverages ->
+                if (!preferencesRepository.showSubjectsWithoutGrades) {
+                    gradesWithAverages.filter { it.grades.isNotEmpty() }
+                } else gradesWithAverages
+            }
+            .let {
+                when (preferencesRepository.gradeSortingMode) {
+                    DATE -> it.sortedByDescending { gradeDetailsWithAverage -> gradeDetailsWithAverage.grades.firstOrNull()?.date }
+                    ALPHABETIC -> it.sortedBy { gradeDetailsWithAverage -> gradeDetailsWithAverage.subject.toLowerCase() }
+                }
+            }
             .map { (subject, average, points, _, grades) ->
                 val subItems = grades
                     .sortedByDescending { it.date }
@@ -197,9 +213,10 @@ class GradeDetailsPresenter @Inject constructor(
                     subject = subject,
                     average = average,
                     pointsSum = points,
-                    newGrades = grades.filter { grade -> !grade.isRead }.size,
                     grades = subItems
-                ), ViewType.HEADER)) + if (preferencesRepository.isGradeExpandable) emptyList() else subItems
+                ).apply {
+                    newGrades = grades.filter { grade -> !grade.isRead }.size
+                }, ViewType.HEADER)) + if (preferencesRepository.isGradeExpandable) emptyList() else subItems
             }.flatten()
     }
 

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

@@ -17,8 +17,9 @@ import com.github.mikephil.charting.data.PieDataSet
 import com.github.mikephil.charting.data.PieEntry
 import com.github.mikephil.charting.formatter.ValueFormatter
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.GradePartialStatistics
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
-import io.github.wulkanowy.data.db.entities.GradeStatistics
+import io.github.wulkanowy.data.db.entities.GradeSemesterStatistics
 import io.github.wulkanowy.data.pojos.GradeStatisticsItem
 import io.github.wulkanowy.databinding.ItemGradeStatisticsBarBinding
 import io.github.wulkanowy.databinding.ItemGradeStatisticsPieBinding
@@ -68,22 +69,32 @@ class GradeStatisticsAdapter @Inject constructor() :
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
         return when (viewType) {
-            ViewType.PARTIAL.id, ViewType.SEMESTER.id -> PieViewHolder(ItemGradeStatisticsPieBinding.inflate(inflater, parent, false))
-            ViewType.POINTS.id -> BarViewHolder(ItemGradeStatisticsBarBinding.inflate(inflater, parent, false))
+            ViewType.PARTIAL.id -> PartialViewHolder(ItemGradeStatisticsPieBinding.inflate(inflater, parent, false))
+            ViewType.SEMESTER.id -> SemesterViewHolder(ItemGradeStatisticsPieBinding.inflate(inflater, parent, false))
+            ViewType.POINTS.id -> PointsViewHolder(ItemGradeStatisticsBarBinding.inflate(inflater, parent, false))
             else -> throw IllegalStateException()
         }
     }
 
     override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
         when (holder) {
-            is PieViewHolder -> bindPieChart(holder, items[position].partial)
-            is BarViewHolder -> bindBarChart(holder, items[position].points!!)
+            is PartialViewHolder -> bindPartialChart(holder, items[position].partial!!)
+            is SemesterViewHolder -> bindSemesterChart(holder, items[position].semester!!)
+            is PointsViewHolder -> bindBarChart(holder, items[position].points!!)
         }
     }
 
-    private fun bindPieChart(holder: PieViewHolder, partials: List<GradeStatistics>) {
-        with(holder.binding.gradeStatisticsPieTitle) {
-            text = partials.firstOrNull()?.subject
+    private fun bindPartialChart(holder: PartialViewHolder, partials: GradePartialStatistics) {
+        bindPieChart(holder.binding, partials.subject, partials.classAverage, partials.classAmounts)
+    }
+
+    private fun bindSemesterChart(holder: SemesterViewHolder, semester: GradeSemesterStatistics) {
+        bindPieChart(holder.binding, semester.subject, semester.average, semester.amounts)
+    }
+
+    private fun bindPieChart(binding: ItemGradeStatisticsPieBinding, subject: String, average: String, amounts: List<Int>) {
+        with(binding.gradeStatisticsPieTitle) {
+            text = subject
             visibility = if (items.size == 1 || !showAllSubjectsOnList) GONE else VISIBLE
         }
 
@@ -92,22 +103,23 @@ class GradeStatisticsAdapter @Inject constructor() :
             else -> materialGradeColors
         }
 
-        val dataset = PieDataSet(partials.map {
-            PieEntry(it.amount.toFloat(), it.grade.toString())
-        }, "Legenda")
+        val dataset = PieDataSet(amounts.mapIndexed { grade, amount ->
+            PieEntry(amount.toFloat(), (grade + 1).toString())
+        }.reversed().filterNot { it.value == 0f }, "Legenda")
 
         with(dataset) {
             valueTextSize = 12f
             sliceSpace = 1f
             valueTextColor = Color.WHITE
-            setColors(partials.map {
-                gradeColors.single { color -> color.first == it.grade }.second
-            }.toIntArray(), holder.binding.root.context)
+            val grades = amounts.mapIndexed { grade, amount -> (grade + 1) to amount }.filterNot { it.second == 0 }
+            setColors(grades.reversed().map { (grade, _) ->
+                gradeColors.single { color -> color.first == grade }.second
+            }.toIntArray(), binding.root.context)
         }
 
-        with(holder.binding.gradeStatisticsPie) {
+        with(binding.gradeStatisticsPie) {
             setTouchEnabled(false)
-            if (partials.size == 1) animateXY(1000, 1000)
+            if (amounts.size == 1) animateXY(1000, 1000)
             data = PieData(dataset).apply {
                 setValueFormatter(object : ValueFormatter() {
                     override fun getPieLabel(value: Float, pieEntry: PieEntry): String {
@@ -128,8 +140,9 @@ class GradeStatisticsAdapter @Inject constructor() :
 
             minAngleForSlices = 25f
             description.isEnabled = false
-            centerText = partials.fold(0) { acc, it -> acc + it.amount }
-                .let { resources.getQuantityString(R.plurals.grade_number_item, it, it) }
+            centerText = amounts.fold(0) { acc, it -> acc + it }
+                .let { resources.getQuantityString(R.plurals.grade_number_item, it, it) } +
+                ("\n\nŚrednia: $average").takeIf { average.isNotBlank() }.orEmpty()
 
             setHoleColor(context.getThemeAttrColor(android.R.attr.windowBackground))
             setCenterTextColor(context.getThemeAttrColor(android.R.attr.textColorPrimary))
@@ -137,7 +150,7 @@ class GradeStatisticsAdapter @Inject constructor() :
         }
     }
 
-    private fun bindBarChart(holder: BarViewHolder, points: GradePointsStatistics) {
+    private fun bindBarChart(holder: PointsViewHolder, points: GradePointsStatistics) {
         with(holder.binding.gradeStatisticsBarTitle) {
             text = points.subject
             visibility = if (items.size == 1) GONE else VISIBLE
@@ -200,9 +213,12 @@ class GradeStatisticsAdapter @Inject constructor() :
         }
     }
 
-    private class PieViewHolder(val binding: ItemGradeStatisticsPieBinding) :
+    private class PartialViewHolder(val binding: ItemGradeStatisticsPieBinding) :
         RecyclerView.ViewHolder(binding.root)
 
-    private class BarViewHolder(val binding: ItemGradeStatisticsBarBinding) :
+    private class SemesterViewHolder(val binding: ItemGradeStatisticsPieBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class PointsViewHolder(val binding: ItemGradeStatisticsBarBinding) :
         RecyclerView.ViewHolder(binding.root)
 }

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

@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -23,7 +23,7 @@ class GradeStatisticsPresenter @Inject constructor(
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
@@ -153,8 +153,8 @@ class GradeStatisticsPresenter @Inject constructor(
 
             with(gradeStatisticsRepository) {
                 when (type) {
-                    ViewType.SEMESTER -> getGradesStatistics(student, semester, currentSubjectName, true, forceRefresh)
-                    ViewType.PARTIAL -> getGradesStatistics(student, semester, currentSubjectName, false, forceRefresh)
+                    ViewType.PARTIAL -> getGradesPartialStatistics(student, semester, currentSubjectName, forceRefresh)
+                    ViewType.SEMESTER -> getGradesSemesterStatistics(student, semester, currentSubjectName, forceRefresh)
                     ViewType.POINTS -> getGradesPointsStatistics(student, semester, currentSubjectName, forceRefresh)
                 }
             }
@@ -164,8 +164,15 @@ class GradeStatisticsPresenter @Inject constructor(
                 Status.SUCCESS -> {
                     Timber.i("Loading grade stats result: Success")
                     view?.run {
-                        showEmpty(it.data!!.isEmpty())
-                        showContent(it.data.isNotEmpty())
+                        val isNoContent = it.data!!.isEmpty() || when (type) {
+                            ViewType.SEMESTER -> it.data.firstOrNull()?.semester?.amounts.orEmpty().sum() == 0
+                            ViewType.PARTIAL -> it.data.firstOrNull()?.partial?.classAmounts.orEmpty().sum() == 0
+                            ViewType.POINTS -> it.data.firstOrNull()?.points?.let { points ->
+                                points.student == .0 && points.others == .0
+                            } ?: false
+                        }
+                        showEmpty(isNoContent)
+                        showContent(!isNoContent)
                         showErrorView(false)
                         updateData(it.data, preferencesRepository.gradeColorTheme, preferencesRepository.showAllSubjectsOnStatisticsList)
                         showSubjects(!preferencesRepository.showAllSubjectsOnStatisticsList)

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

@@ -7,7 +7,7 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +18,7 @@ class GradeSummaryPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val averageProvider: GradeAverageProvider,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable

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

@@ -7,7 +7,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -29,7 +29,7 @@ class HomeworkPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
     private val semesterRepository: SemesterRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<HomeworkView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay

app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsAdapter.kt

@@ -29,6 +29,8 @@ class HomeworkDetailsAdapter @Inject constructor() :
             attachments = value?.attachments.orEmpty()
         }
 
+    var isHomeworkFullscreen = false
+
     var onAttachmentClickListener: (url: String) -> Unit = {}
 
     var onFullScreenClickListener = {}
@@ -67,6 +69,8 @@ class HomeworkDetailsAdapter @Inject constructor() :
             homeworkDialogSubject.text = homework?.subject
             homeworkDialogTeacher.text = homework?.teacher
             homeworkDialogContent.text = homework?.content
+            homeworkDialogFullScreen.visibility = if (isHomeworkFullscreen) GONE else VISIBLE
+            homeworkDialogFullScreenExit.visibility = if (isHomeworkFullscreen) VISIBLE else GONE
             homeworkDialogFullScreen.setOnClickListener {
                 homeworkDialogFullScreen.visibility = GONE
                 homeworkDialogFullScreenExit.visibility = VISIBLE

app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsDialog.kt

@@ -62,12 +62,25 @@ class HomeworkDetailsDialog : BaseDialogFragment<DialogHomeworkBinding>(), Homew
             homeworkDialogClose.setOnClickListener { dismiss() }
         }
 
+        if (presenter.isHomeworkFullscreen) {
+            dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+        } else {
+            dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+        }
+
         with(binding.homeworkDialogRecycler) {
             layoutManager = LinearLayoutManager(context)
             adapter = detailsAdapter.apply {
                 onAttachmentClickListener = { context.openInternetBrowser(it, ::showMessage) }
-                onFullScreenClickListener = { dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT) }
-                onFullScreenExitClickListener = { dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT) }
+                onFullScreenClickListener = {
+                    dialog?.window?.setLayout(MATCH_PARENT, MATCH_PARENT)
+                    presenter.isHomeworkFullscreen = true
+                }
+                onFullScreenExitClickListener = {
+                    dialog?.window?.setLayout(WRAP_CONTENT, WRAP_CONTENT)
+                    presenter.isHomeworkFullscreen = false
+                }
+                isHomeworkFullscreen = presenter.isHomeworkFullscreen
                 homework = this@HomeworkDetailsDialog.homework
             }
         }

app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt

@@ -3,10 +3,11 @@ package io.github.wulkanowy.ui.modules.homework.details
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
+import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
@@ -16,9 +17,16 @@ class HomeworkDetailsPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper,
+    private val preferencesRepository: PreferencesRepository
 ) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository) {
 
+    var isHomeworkFullscreen
+        get() = preferencesRepository.isHomeworkFullscreen
+        set(value) {
+            preferencesRepository.isHomeworkFullscreen = value
+        }
+
     override fun onAttachView(view: HomeworkDetailsView) {
         super.onAttachView(view)
         view.initView()

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

@@ -14,6 +14,7 @@ import io.github.wulkanowy.ui.modules.login.form.LoginFormFragment
 import io.github.wulkanowy.ui.modules.login.recover.LoginRecoverFragment
 import io.github.wulkanowy.ui.modules.login.studentselect.LoginStudentSelectFragment
 import io.github.wulkanowy.ui.modules.login.symbol.LoginSymbolFragment
+import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.setOnSelectPageListener
 import javax.inject.Inject
 
@@ -25,6 +26,9 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
 
     private val loginAdapter = BaseFragmentPagerAdapter(supportFragmentManager)
 
+    @Inject
+    lateinit var updateHelper: UpdateHelper
+
     companion object {
 
         fun getStartIntent(context: Context) = Intent(context, LoginActivity::class.java)
@@ -37,8 +41,20 @@ class LoginActivity : BaseActivity<LoginPresenter, ActivityLoginBinding>(), Logi
         setContentView(ActivityLoginBinding.inflate(layoutInflater).apply { binding = this }.root)
         setSupportActionBar(binding.loginToolbar)
         messageContainer = binding.loginContainer
+        updateHelper.messageContainer = binding.loginContainer
 
         presenter.onAttachView(this)
+        updateHelper.checkAndInstallUpdates(this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
     }
 
     override fun initView() {

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

@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -17,7 +17,7 @@ import javax.inject.Inject
 class LoginAdvancedPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginAdvancedView>(loginErrorHandler, studentRepository) {
 
     override fun onAttachView(view: LoginAdvancedView) {

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

@@ -89,6 +89,8 @@ class LoginFormFragment : BaseFragment<FragmentLoginFormBinding>(R.layout.fragme
         }
     }
 
+    override fun getHostsValues(): List<String> = hostValues.toList()
+
     override fun setCredentials(username: String, pass: String) {
         with(binding) {
             loginFormUsername.setText(username)
@@ -96,6 +98,12 @@ class LoginFormFragment : BaseFragment<FragmentLoginFormBinding>(R.layout.fragme
         }
     }
 
+    override fun setHost(host: String) {
+        binding.loginFormHost.setText(
+            hostKeys.getOrNull(hostValues.indexOf(host)).orEmpty()
+        )
+    }
+
     override fun setUsernameLabel(label: String) {
         binding.loginFormUsernameLayout.hint = label
     }

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

@@ -1,10 +1,11 @@
 package io.github.wulkanowy.ui.modules.login.form
 
+import androidx.core.net.toUri
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -15,7 +16,7 @@ import javax.inject.Inject
 class LoginFormPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
@@ -56,7 +57,7 @@ class LoginFormPresenter @Inject constructor(
 
     fun updateUsernameLabel() {
         view?.run {
-            setUsernameLabel(if ("standard" in formHostValue) emailLabel else nicknameLabel)
+            setUsernameLabel(if ("email" !in formHostValue) nicknameLabel else emailLabel)
         }
     }
 
@@ -66,6 +67,16 @@ class LoginFormPresenter @Inject constructor(
 
     fun onUsernameTextChanged() {
         view?.clearUsernameError()
+
+        val username = view?.formUsernameValue.orEmpty().trim()
+        if ("@" in username && "@vulcan" !in username) {
+            val hosts = view?.getHostsValues().orEmpty().map { it.toUri().host to it }.toMap()
+            val usernameHost = username.substringAfter("@")
+
+            hosts[usernameHost]?.let {
+                view?.setHost(it)
+            }
+        }
     }
 
     fun onSignInClick() {
@@ -135,12 +146,12 @@ class LoginFormPresenter @Inject constructor(
             view?.setErrorUsernameRequired()
             isCorrect = false
         } else {
-            if ("@" in login && "standard" !in host) {
+            if ("@" in login && "login" in host) {
                 view?.setErrorLoginRequired()
                 isCorrect = false
             }
 
-            if ("@" !in login && "standard" in host) {
+            if ("@" !in login && "email" in host) {
                 view?.setErrorEmailRequired()
                 isCorrect = false
             }

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

@@ -19,8 +19,12 @@ interface LoginFormView : BaseView {
 
     val emailLabel: String
 
+    fun getHostsValues(): List<String>
+
     fun setCredentials(username: String, pass: String)
 
+    fun setHost(host: String)
+
     fun setUsernameLabel(label: String)
 
     fun setErrorUsernameRequired()

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

@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.recover.RecoverRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -15,7 +15,7 @@ import javax.inject.Inject
 class LoginRecoverPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: RecoverErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper,
+    private val analytics: AnalyticsHelper,
     private val recoverRepository: RecoverRepository
 ) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository) {
 

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

@@ -6,7 +6,7 @@ import io.github.wulkanowy.data.db.entities.StudentWithSemesters
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
 import kotlinx.coroutines.flow.onEach
@@ -17,7 +17,7 @@ import javax.inject.Inject
 class LoginStudentSelectPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null

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

@@ -4,7 +4,7 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -16,7 +16,7 @@ import javax.inject.Inject
 class LoginSymbolPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null

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

@@ -5,7 +5,7 @@ import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -16,7 +16,7 @@ class LuckyNumberPresenter @Inject constructor(
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val luckyNumberRepository: LuckyNumberRepository,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable

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

@@ -1,14 +1,21 @@
 package io.github.wulkanowy.ui.modules.main
 
+import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.graphics.drawable.Icon
+import android.os.Build
 import android.os.Build.VERSION.SDK_INT
 import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
+import androidx.annotation.RequiresApi
+import androidx.core.content.getSystemService
 import androidx.core.view.ViewCompat
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
@@ -31,7 +38,9 @@ import io.github.wulkanowy.ui.modules.message.MessageFragment
 import io.github.wulkanowy.ui.modules.more.MoreFragment
 import io.github.wulkanowy.ui.modules.note.NoteFragment
 import io.github.wulkanowy.ui.modules.timetable.TimetableFragment
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
+import io.github.wulkanowy.utils.AppInfo
+import io.github.wulkanowy.utils.UpdateHelper
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.getThemeAttrColor
 import io.github.wulkanowy.utils.safelyPopFragments
@@ -46,7 +55,13 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     override lateinit var presenter: MainPresenter
 
     @Inject
-    lateinit var analytics: FirebaseAnalyticsHelper
+    lateinit var analytics: AnalyticsHelper
+
+    @Inject
+    lateinit var updateHelper: UpdateHelper
+
+    @Inject
+    lateinit var appInfo: AppInfo
 
     private val overlayProvider by lazy { ElevationOverlayProvider(this) }
 
@@ -59,7 +74,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
             return Intent(context, MainActivity::class.java)
                 .apply {
                     if (clear) flags = FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK
-                    startMenu?.let { putExtra(EXTRA_START_MENU, it) }
+                    startMenu?.let { putExtra(EXTRA_START_MENU, it.id) }
                 }
         }
     }
@@ -83,18 +98,58 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
         MainView.Section.LUCKY_NUMBER.id to LuckyNumberFragment.newInstance()
     )
 
+    @SuppressLint("NewApi")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(ActivityMainBinding.inflate(layoutInflater).apply { binding = this }.root)
         setSupportActionBar(binding.mainToolbar)
         messageContainer = binding.mainFragmentContainer
+        updateHelper.messageContainer = binding.mainFragmentContainer
 
-        presenter.onAttachView(this, intent.getSerializableExtra(EXTRA_START_MENU) as? MainView.Section)
+        presenter.onAttachView(this, MainView.Section.values().singleOrNull { it.id == intent.getIntExtra(EXTRA_START_MENU, -1) })
 
         with(navController) {
             initialize(startMenuIndex, savedInstanceState)
             pushFragment(moreMenuFragments[startMenuMoreIndex])
         }
+        updateHelper.checkAndInstallUpdates(this)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        updateHelper.onResume(this)
+    }
+
+    @SuppressLint("NewApi")
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        updateHelper.onActivityResult(requestCode, resultCode)
+        if (appInfo.systemVersion >= Build.VERSION_CODES.N_MR1) initShortcuts()
+    }
+
+    @RequiresApi(Build.VERSION_CODES.N_MR1)
+    fun initShortcuts() {
+        val shortcutsList = mutableListOf<ShortcutInfo>()
+
+        listOf(
+            Triple(getString(R.string.grade_title), R.drawable.ic_shortcut_grade, MainView.Section.GRADE),
+            Triple(getString(R.string.attendance_title), R.drawable.ic_shortcut_attendance, MainView.Section.ATTENDANCE),
+            Triple(getString(R.string.exam_title), R.drawable.ic_shortcut_exam, MainView.Section.EXAM),
+            Triple(getString(R.string.timetable_title), R.drawable.ic_shortcut_timetable, MainView.Section.TIMETABLE),
+            Triple(getString(R.string.message_title), R.drawable.ic_shortcut_message, MainView.Section.MESSAGE)
+        ).forEach { (title, icon, enum) ->
+            shortcutsList.add(ShortcutInfo.Builder(applicationContext, title)
+                .setShortLabel(title)
+                .setLongLabel(title)
+                .setIcon(Icon.createWithResource(applicationContext, icon))
+                .setIntents(arrayOf(
+                    Intent(applicationContext, MainActivity::class.java).setAction(Intent.ACTION_VIEW),
+                    Intent(applicationContext, MainActivity::class.java).putExtra(EXTRA_START_MENU, enum.id)
+                        .setAction(Intent.ACTION_VIEW).addFlags(FLAG_ACTIVITY_NEW_TASK or FLAG_ACTIVITY_CLEAR_TASK)))
+                .build())
+        }
+
+        getSystemService<ShortcutManager>()?.dynamicShortcuts = shortcutsList
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {
@@ -127,7 +182,10 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
         }
 
         with(navController) {
-            setOnViewChangeListener(presenter::onViewChange)
+            setOnViewChangeListener { section, name ->
+                analytics.setCurrentScreen(this@MainActivity, name)
+                presenter.onViewChange(section)
+            }
             fragmentHideStrategy = HIDE
             rootFragments = listOf(
                 GradeFragment.newInstance(),
@@ -139,12 +197,8 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
         }
     }
 
-    override fun setCurrentScreen(name: String?) {
-        analytics.setCurrentScreen(this, name)
-    }
-
-    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
-        return if (item?.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return if (item.itemId == R.id.mainMenuAccount) presenter.onAccountManagerSelected()
         else false
     }
 
@@ -153,6 +207,7 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     }
 
     override fun switchMenuView(position: Int) {
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.switchTab(position)
     }
 
@@ -190,10 +245,12 @@ class MainActivity : BaseActivity<MainPresenter, ActivityMainBinding>(), MainVie
     }
 
     fun pushView(fragment: Fragment) {
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.pushFragment(fragment)
     }
 
     override fun popView(depth: Int) {
+        analytics.popCurrentScreen(navController.currentFrag!!::class.simpleName)
         navController.safelyPopFragments(depth)
     }
 

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

@@ -8,7 +8,7 @@ import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.main.MainView.Section.GRADE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.MESSAGE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.SCHOOL
-import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
+import io.github.wulkanowy.utils.AnalyticsHelper
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -17,7 +17,7 @@ class MainPresenter @Inject constructor(
     studentRepository: StudentRepository,
     private val prefRepository: PreferencesRepository,
     private val syncManager: SyncManager,
-    private val analytics: FirebaseAnalyticsHelper
+    private val analytics: AnalyticsHelper
 ) : BasePresenter<MainView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: MainView, initMenu: MainView.Section?) {
@@ -35,9 +35,8 @@ class MainPresenter @Inject constructor(
         analytics.logEvent("app_open", "destination" to initMenu?.name)
     }
 
-    fun onViewChange(section: MainView.Section?, name: String?) {
+    fun onViewChange(section: MainView.Section?) {
         view?.apply {
-            setCurrentScreen(name)
             showActionBarElevation(section != GRADE && section != MESSAGE && section != SCHOOL)
             currentViewTitle?.let { setViewTitle(it) }
             currentViewSubtitle?.let { setViewSubTitle(it.ifBlank { null }) }

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

@@ -24,8 +24,6 @@ interface MainView : BaseView {
 
     fun showAccountPicker()
 
-    fun setCurrentScreen(name: String?)
-
     fun showActionBarElevation(show: Boolean)
 
     fun notifyMenuViewReselected()

app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewFragment.kt

@@ -174,7 +174,7 @@ class MessagePreviewFragment :
 
     @RequiresApi(Build.VERSION_CODES.LOLLIPOP)
     override fun printDocument(html: String, jobName: String) {
-        val webView = WebView(activity)
+        val webView = WebView(requireContext())
         webView.webViewClient = object : WebViewClient() {
 
             override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest) = false