Merge branch 'release/0.18.3'

Version 0.18.2

.bettercodehub.yml

@@ -1,3 +1,3 @@
-component_depth: 8
+component_depth: 10
 languages:
 - kotlin

.travis.yml

@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.17.0
+    - 0.18.3
 
 android:
  licenses:
@@ -48,20 +48,15 @@ before_script:
 script:
   - ./gradlew dependencies --stacktrace --daemon
   - fossa --no-ansi || true
-  #- ./gradlew lintPlayRelease -x fabricGenerateResourcesPlayRelease --stacktrace --daemon
-  - ./gradlew -Pcoverage testPlayDebugUnitTest -x fabricGenerateResourcesPlay --stacktrace --daemon
+  - ./gradlew -Pcoverage testPlayDebugUnitTest --stacktrace --daemon
   - ./gradlew -Pcoverage createFdroidDebugCoverageReport --stacktrace --daemon
   - ./gradlew -Pcoverage jacocoTestReport --stacktrace --daemon
-  - if [ -z ${SONAR_HOST+x} ]; then echo "sonar scan skipped"; else
-      git fetch --unshallow;
-      ./gradlew sonarqube -x test -x lint -x fabricGenerateResourcesPlayRelease -x fabricGenerateResourcesFdroidRelease -Dsonar.host.url=$SONAR_HOST -Dsonar.organization=$SONAR_ORG -Dsonar.login=$SONAR_KEY -Dsonar.branch.name=${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH} --stacktrace --daemon;
-    fi
   - |
     if [ $TRAVIS_TAG ]; then
       gpg --yes --batch --passphrase=$SERVICES_ENCRYPT_KEY ./app/src/release/google-services.json.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/key.p12.gpg;
       gpg --yes --batch --passphrase=$ENCRYPT_KEY ./app/upload-key.jks.gpg;
-      ./gradlew publishPlayRelease -PenableCrashlytics --stacktrace;
+      ./gradlew publishPlayRelease -PenableFirebase --stacktrace;
     fi
 
 after_success:

app/build.gradle

@@ -1,8 +1,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
-apply plugin: 'kotlin-android-extensions'
-apply plugin: 'io.fabric'
+apply plugin: 'com.google.firebase.crashlytics'
 apply plugin: 'com.github.triplet.play'
 apply plugin: 'com.mikepenz.aboutlibraries.plugin'
 apply from: 'jacoco.gradle'
@@ -18,14 +17,14 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 17
         targetSdkVersion 29
-        versionCode 54
-        versionName "0.17.0"
+        versionCode 62
+        versionName "0.18.3"
         multiDexEnabled true
+        resValue "string", "app_name", "Wulkanowy"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
         manifestPlaceholders = [
-                fabric_api_key     : System.getenv("FABRIC_API_KEY") ?: "null",
-                crashlytics_enabled: project.hasProperty("enableCrashlytics")
+                firebase_enabled: project.hasProperty("enableFirebase")
         ]
         javaCompileOptions {
             annotationProcessorOptions {
@@ -52,18 +51,17 @@ android {
 
     buildTypes {
         release {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "true"
             minifyEnabled true
             shrinkResources true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
             signingConfig signingConfigs.release
         }
         debug {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", project.hasProperty("enableCrashlytics") ? "true" : "false"
+            resValue "string", "app_name", "Wulkanowy DEV " + defaultConfig.versionCode
             applicationIdSuffix ".dev"
             versionNameSuffix "-dev"
             testCoverageEnabled = project.hasProperty('coverage')
-            ext.enableCrashlytics = project.hasProperty("enableCrashlytics")
+            ext.enableCrashlytics = project.hasProperty("enableFirebase")
         }
     }
 
@@ -75,11 +73,14 @@ android {
         }
 
         fdroid {
-            buildConfigField "boolean", "CRASHLYTICS_ENABLED", "false"
             dimension "platform"
         }
     }
 
+    viewBinding {
+        enabled = true
+    }
+
     lintOptions {
         disable 'HardwareIds'
     }
@@ -103,10 +104,6 @@ android {
     }
 }
 
-androidExtensions {
-    experimental = true
-}
-
 play {
     serviceAccountEmail = System.getenv("PLAY_SERVICE_ACCOUNT_EMAIL") ?: "jan@fakelog.cf"
     serviceAccountCredentials = file('key.p12')
@@ -117,8 +114,7 @@ play {
 ext {
     work_manager = "2.3.4"
     room = "2.2.5"
-    dagger = "2.27"
-    // don't update https://github.com/ChuckerTeam/chucker/issues/242
+    dagger = "2.28"
     chucker = "3.2.0"
     mockk = "1.9.2"
 }
@@ -128,21 +124,21 @@ configurations.all {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:sdk:0.17.0"
+    implementation "io.github.wulkanowy:sdk:0.18.3"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "androidx.core:core-ktx:1.2.0"
     implementation "androidx.activity:activity-ktx:1.1.0"
-    implementation "androidx.appcompat:appcompat:1.2.0-beta01"
+    implementation "androidx.appcompat:appcompat:1.2.0-rc01"
     implementation "androidx.appcompat:appcompat-resources:1.1.0"
     implementation "androidx.fragment:fragment-ktx:1.2.4"
     implementation "androidx.annotation:annotation:1.1.0"
     implementation "androidx.multidex:multidex:2.0.1"
 
-    implementation "androidx.preference:preference-ktx:1.1.0"
+    implementation "androidx.preference:preference-ktx:1.1.1"
     implementation "androidx.recyclerview:recyclerview:1.1.0"
     implementation "androidx.viewpager:viewpager:1.0.0"
-    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-beta01"
+    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-rc01"
     implementation "androidx.constraintlayout:constraintlayout:1.1.3"
     implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
     implementation "com.google.android.material:material:1.1.0"
@@ -167,30 +163,29 @@ dependencies {
     implementation "com.squareup.inject:assisted-inject-annotations-dagger2:0.5.2"
     kapt "com.squareup.inject:assisted-inject-processor-dagger2:0.5.2"
 
-    implementation "eu.davidea:flexible-adapter:5.1.0"
-    implementation "eu.davidea:flexible-adapter-ui:1.0.0"
     implementation "com.aurelhubert:ahbottomnavigation:2.3.4"
     implementation "com.ncapdevi:frag-nav:3.3.0"
-    implementation "com.github.YarikSOffice:lingver:1.2.1"
+    implementation "com.github.YarikSOffice:lingver:1.2.2"
 
-    implementation "com.github.pwittchen:reactivenetwork-rx2:3.0.6"
+    implementation "com.github.pwittchen:reactivenetwork-rx2:3.0.8"
     implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
     implementation "io.reactivex.rxjava2:rxjava:2.2.19"
 
     implementation "com.google.code.gson:gson:2.8.6"
-    implementation "com.jakewharton.threetenabp:threetenabp:1.2.3"
+    implementation "com.jakewharton.threetenabp:threetenabp:1.2.4"
     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:0.9.5"
+    implementation "io.coil-kt:coil:0.11.0"
+    implementation "io.github.wulkanowy:AppKillerManager:3.0.0"
 
-    playImplementation 'com.google.firebase:firebase-analytics:17.3.0'
-    playImplementation 'com.google.firebase:firebase-inappmessaging-display-ktx:19.0.4'
-    playImplementation "com.google.firebase:firebase-inappmessaging-ktx:19.0.4"
-    playImplementation "com.google.firebase:firebase-messaging:20.1.0"
-    playImplementation "com.crashlytics.sdk.android:crashlytics:2.10.1"
+    playImplementation 'com.google.firebase:firebase-analytics:17.4.2'
+    playImplementation 'com.google.firebase:firebase-inappmessaging-display-ktx:19.0.7'
+    playImplementation "com.google.firebase:firebase-inappmessaging-ktx:19.0.7"
+    playImplementation 'com.google.firebase:firebase-messaging:20.2.0'
+    playImplementation 'com.google.firebase:firebase-crashlytics:17.0.0'
     playImplementation 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
 
     releaseImplementation "com.github.ChuckerTeam.Chucker:library-no-op:$chucker"
@@ -200,7 +195,7 @@ dependencies {
 
     testImplementation "junit:junit:4.13"
     testImplementation "io.mockk:mockk:$mockk"
-    testImplementation "org.threeten:threetenbp:1.4.3"
+    testImplementation "org.threeten:threetenbp:1.4.4"
     testImplementation "org.mockito:mockito-inline:3.3.3"
 
     androidTestImplementation "androidx.test:core:1.2.0"

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

@@ -0,0 +1,29 @@
+package io.github.wulkanowy.data.repositories
+
+import io.github.wulkanowy.data.db.entities.Student
+import org.threeten.bp.LocalDateTime
+
+fun getStudent(): Student {
+    return Student(
+        email = "test",
+        password = "test123",
+        schoolSymbol = "23",
+        scrapperBaseUrl = "fakelog.cf",
+        loginType = "AUTO",
+        isCurrent = true,
+        studentName = "",
+        schoolShortName = "",
+        schoolName = "",
+        studentId = 0,
+        classId = 1,
+        symbol = "",
+        registrationDate = LocalDateTime.now(),
+        className = "",
+        loginMode = "API",
+        certificateKey = "",
+        privateKey = "",
+        mobileBaseUrl = "",
+        userLoginId = 0,
+        isParent = false
+    )
+}

app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeLocalTest.kt

@@ -24,7 +24,7 @@ class GradeLocalTest {
     fun createDb() {
         testDb = Room.inMemoryDatabaseBuilder(ApplicationProvider.getApplicationContext(), AppDatabase::class.java)
             .build()
-        gradeLocal = GradeLocal(testDb.gradeDao)
+        gradeLocal = GradeLocal(testDb.gradeDao, testDb.gradeSummaryDao)
     }
 
     @After
@@ -43,7 +43,7 @@ class GradeLocalTest {
         val semester = Semester(1, 2, "", 2019, 2, 1, now(), now(), 1, 1)
 
         val grades = gradeLocal
-            .getGrades(semester)
+            .getGradesDetails(semester)
             .blockingGet()
 
         assertEquals(2, grades.size)

app/src/androidTest/java/io/github/wulkanowy/data/repositories/grade/GradeRepositoryTest.kt

@@ -11,6 +11,7 @@ import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.TestInternetObservingStrategy
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Grade
 import io.mockk.MockKAnnotations
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
@@ -52,7 +53,7 @@ class GradeRepositoryTest {
     fun initApi() {
         MockKAnnotations.init(this)
         testDb = Room.inMemoryDatabaseBuilder(getApplicationContext(), AppDatabase::class.java).build()
-        gradeLocal = GradeLocal(testDb.gradeDao)
+        gradeLocal = GradeLocal(testDb.gradeDao, testDb.gradeSummaryDao)
         gradeRemote = GradeRemote(mockSdk)
 
         every { studentMock.registrationDate } returns LocalDateTime.of(2019, 2, 27, 12, 0)
@@ -75,10 +76,10 @@ class GradeRepositoryTest {
             createGradeApi(5, 4.0, of(2019, 2, 26), "przed zalogowanie w aplikacji"),
             createGradeApi(5, 4.0, of(2019, 2, 27), "Ocena z dnia logowania"),
             createGradeApi(5, 4.0, of(2019, 2, 28), "Ocena jeszcze nowsza")
-        ))
+        ) to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet().sortedByDescending { it.date }
+            .getGrades(studentMock, semesterMock, true).blockingGet().first.sortedByDescending { it.date }
 
         assertFalse { grades[0].isRead }
         assertFalse { grades[1].isRead }
@@ -99,10 +100,10 @@ class GradeRepositoryTest {
             createGradeApi(4, 3.0, of(2019, 2, 26), "starszą niż ostatnia lokalnie"),
             createGradeApi(3, 4.0, of(2019, 2, 27), "Ta jest z tego samego dnia co ostatnia lokalnie"),
             createGradeApi(2, 5.0, of(2019, 2, 28), "Ta jest już w ogóle nowa")
-        ))
+        ) to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
-            .getGrades(studentMock, semesterMock, true).blockingGet().sortedByDescending { it.date }
+            .getGrades(studentMock, semesterMock, true).blockingGet().first.sortedByDescending { it.date }
 
         assertFalse { grades[0].isRead }
         assertFalse { grades[1].isRead }
@@ -121,12 +122,12 @@ class GradeRepositoryTest {
         every { mockSdk.getGrades(1) } returns Single.just(listOf(
             createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
             createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
+        ) to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
             .getGrades(studentMock, semesterMock, true).blockingGet()
 
-        assertEquals(2, grades.size)
+        assertEquals(2, grades.first.size)
     }
 
     @Test
@@ -140,12 +141,12 @@ class GradeRepositoryTest {
             createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
             createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
             createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
+        ) to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
             .getGrades(studentMock, semesterMock, true).blockingGet()
 
-        assertEquals(3, grades.size)
+        assertEquals(3, grades.first.size)
     }
 
     @Test
@@ -156,12 +157,12 @@ class GradeRepositoryTest {
             createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
             createGradeApi(5, 3.0, of(2019, 2, 25), "Taka sama ocena"),
             createGradeApi(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
-        ))
+        ) to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
             .getGrades(studentMock, semesterMock, true).blockingGet()
 
-        assertEquals(3, grades.size)
+        assertEquals(3, grades.first.size)
     }
 
     @Test
@@ -171,11 +172,11 @@ class GradeRepositoryTest {
             createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
         ))
 
-        every { mockSdk.getGrades(1) } returns Single.just(listOf())
+        every { mockSdk.getGrades(1) } returns Single.just(emptyList<Grade>() to emptyList())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
             .getGrades(studentMock, semesterMock, true).blockingGet()
 
-        assertEquals(0, grades.size)
+        assertEquals(0, grades.first.size)
     }
 }

app/src/androidTest/java/io/github/wulkanowy/data/repositories/student/StudentLocalTest.kt

@@ -5,13 +5,11 @@ import androidx.room.Room
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import io.github.wulkanowy.data.db.AppDatabase
-import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.repositories.getStudent
 import org.junit.After
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.threeten.bp.LocalDateTime.now
 import kotlin.test.assertEquals
 
 @RunWith(AndroidJUnit4::class)
@@ -21,14 +19,13 @@ class StudentLocalTest {
 
     private lateinit var testDb: AppDatabase
 
-    private lateinit var sharedProvider: SharedPrefProvider
+    private val student = getStudent()
 
     @Before
     fun createDb() {
         val context = ApplicationProvider.getApplicationContext<Context>()
         testDb = Room.inMemoryDatabaseBuilder(context, AppDatabase::class.java)
             .build()
-        sharedProvider = SharedPrefProvider(context.getSharedPreferences("TEST", Context.MODE_PRIVATE))
         studentLocal = StudentLocal(testDb.studentDao, context)
     }
 
@@ -39,8 +36,7 @@ class StudentLocalTest {
 
     @Test
     fun saveAndReadTest() {
-        studentLocal.saveStudents(listOf(Student(email = "test", password = "test123", schoolSymbol = "23", scrapperBaseUrl = "fakelog.cf", loginType = "AUTO", isCurrent = true, studentName = "", schoolShortName = "", schoolName = "", studentId = 0, classId = 1, symbol = "", registrationDate = now(), className = "", loginMode = "API", certificateKey = "", privateKey = "", mobileBaseUrl = "", userLoginId = 0, isParent = false)))
-            .blockingGet()
+        studentLocal.saveStudents(listOf(student)).blockingGet()
 
         val student = studentLocal.getCurrentStudent(true).blockingGet()
         assertEquals("23", student.schoolSymbol)

app/src/androidTest/java/io/github/wulkanowy/data/repositories/timetable/TimetableRepositoryTest.kt

@@ -8,11 +8,15 @@ import androidx.test.filters.SdkSuppress
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.TestInternetObservingStrategy
+import io.github.wulkanowy.data.repositories.getStudent
+import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
 import io.github.wulkanowy.sdk.Sdk
 import io.mockk.MockKAnnotations
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
+import io.mockk.mockk
 import io.reactivex.Single
 import org.junit.After
 import org.junit.Before
@@ -33,9 +37,17 @@ class TimetableRepositoryTest {
         .strategy(TestInternetObservingStrategy())
         .build()
 
+    @MockK
+    private lateinit var studentMock: Student
+
+    private val student = getStudent()
+
     @MockK
     private lateinit var semesterMock: Semester
 
+    @MockK
+    private lateinit var timetableNotificationSchedulerHelper: TimetableNotificationSchedulerHelper
+
     private lateinit var timetableRemote: TimetableRemote
 
     private lateinit var timetableLocal: TimetableLocal
@@ -49,10 +61,17 @@ class TimetableRepositoryTest {
         timetableLocal = TimetableLocal(testDb.timetableDao)
         timetableRemote = TimetableRemote(mockSdk)
 
+        every { timetableNotificationSchedulerHelper.scheduleNotifications(any(), any()) } returns mockk()
+        every { timetableNotificationSchedulerHelper.cancelScheduled(any(), any()) } returns mockk()
+
+        every { studentMock.studentId } returns 1
+        every { studentMock.studentName } returns "Jan Kowalski"
+
         every { semesterMock.studentId } returns 1
         every { semesterMock.diaryId } returns 2
         every { semesterMock.schoolYear } returns 2019
         every { semesterMock.semesterId } returns 1
+
         every { mockSdk.switchDiary(any(), any()) } returns mockSdk
     }
 
@@ -77,8 +96,8 @@ class TimetableRepositoryTest {
             createTimetableRemote(of(2019, 3, 5, 10, 30), 4, "", "W-F")
         ))
 
-        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
-            .getTimetable(semesterMock, LocalDate.of(2019, 3, 5), LocalDate.of(2019, 3, 5), true)
+        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote, timetableNotificationSchedulerHelper)
+            .getTimetable(student, semesterMock, LocalDate.of(2019, 3, 5), LocalDate.of(2019, 3, 5), true)
             .blockingGet()
 
         assertEquals(4, lessons.size)
@@ -123,8 +142,8 @@ class TimetableRepositoryTest {
             createTimetableRemote(of(2019, 12, 25, 10, 40), 4, "126", "Matematyka", "Paweł Czwartkowski", true)
         ))
 
-        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
-            .getTimetable(semesterMock, LocalDate.of(2019, 12, 23), LocalDate.of(2019, 12, 25), true)
+        val lessons = TimetableRepository(settings, timetableLocal, timetableRemote, timetableNotificationSchedulerHelper)
+            .getTimetable(student, semesterMock, LocalDate.of(2019, 12, 23), LocalDate.of(2019, 12, 25), true)
             .blockingGet()
 
         assertEquals(12, lessons.size)

app/src/debug/res/values/strings.xml

@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">Wulkanowy DEV</string>
-</resources>

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

@@ -5,8 +5,6 @@ package io.github.wulkanowy.utils
 import android.content.Context
 import timber.log.Timber
 
-fun initCrashlytics(context: Context, appInfo: AppInfo) {}
-
 open class TimberTreeNoOp : Timber.Tree() {
     override fun log(priority: Int, tag: String?, message: String, t: Throwable?) {}
 }

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

@@ -1,13 +1,18 @@
 package io.github.wulkanowy.utils
 
+import android.app.Activity
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
+@Suppress("UNUSED_PARAMETER")
 class FirebaseAnalyticsHelper @Inject constructor() {
 
-    @Suppress("UNUSED_PARAMETER")
     fun logEvent(name: String, vararg params: Pair<String, Any?>) {
         // do nothing
     }
+
+    fun setCurrentScreen(activity: Activity, name: String?) {
+        // do nothing
+    }
 }

app/src/main/AndroidManifest.xml

@@ -18,7 +18,8 @@
         android:supportsRtl="false"
         android:theme="@style/WulkanowyTheme"
         android:usesCleartextTraffic="true"
-        tools:ignore="GoogleAppIndexingWarning,UnusedAttribute">
+        tools:ignore="GoogleAppIndexingWarning,UnusedAttribute"
+        tools:replace="android:supportsRtl,android:allowBackup">
         <activity
             android:name=".ui.modules.splash.SplashActivity"
             android:screenOrientation="portrait"
@@ -39,7 +40,8 @@
             android:name=".ui.modules.main.MainActivity"
             android:configChanges="orientation|screenSize"
             android:label="@string/main_title"
-            android:theme="@style/WulkanowyTheme.NoActionBar" />
+            android:theme="@style/WulkanowyTheme.NoActionBar"
+            android:windowSoftInputMode="adjustPan" />
         <activity
             android:name=".ui.modules.message.send.SendMessageActivity"
             android:configChanges="orientation|screenSize"
@@ -91,6 +93,8 @@
                 android:resource="@xml/provider_widget_lucky_number" />
         </receiver>
 
+        <receiver android:name=".services.alarm.TimetableNotificationReceiver" />
+
         <provider
             android:name="androidx.work.impl.WorkManagerInitializer"
             android:authorities="${applicationId}.workmanager-init"
@@ -107,12 +111,33 @@
                 android:resource="@xml/provider_paths" />
         </provider>
 
+        <!-- workaround for https://github.com/firebase/firebase-android-sdk/issues/473 enabled:false -->
+        <!-- https://firebase.googleblog.com/2017/03/take-control-of-your-firebase-init-on.html -->
+        <provider
+            android:name="com.google.firebase.provider.FirebaseInitProvider"
+            android:authorities="${applicationId}.firebaseinitprovider"
+            android:enabled="${firebase_enabled}"
+            android:exported="false" />
+
         <meta-data
-            android:name="io.fabric.ApiKey"
-            android:value="${fabric_api_key}" />
+            android:name="firebase_analytics_collection_enabled"
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="google_analytics_adid_collection_enabled"
+            android:value="${firebase_enabled}" />
+
         <meta-data
             android:name="firebase_crashlytics_collection_enabled"
-            android:value="${crashlytics_enabled}" />
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="firebase_messaging_auto_init_enabled"
+            android:value="${firebase_enabled}" />
+
+        <meta-data
+            android:name="firebase_inapp_messaging_auto_data_collection_enabled"
+            android:value="${firebase_enabled}" />
 
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_icon"

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

@@ -10,8 +10,6 @@ import com.jakewharton.threetenabp.AndroidThreeTen
 import com.yariksoffice.lingver.Lingver
 import dagger.android.AndroidInjector
 import dagger.android.support.DaggerApplication
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.utils.Log
 import fr.bipi.tressence.file.FileLoggerTree
 import io.github.wulkanowy.di.DaggerAppComponent
 import io.github.wulkanowy.services.sync.SyncWorkerFactory
@@ -21,7 +19,6 @@ import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.CrashlyticsExceptionTree
 import io.github.wulkanowy.utils.CrashlyticsTree
 import io.github.wulkanowy.utils.DebugLogTree
-import io.github.wulkanowy.utils.initCrashlytics
 import io.reactivex.exceptions.UndeliverableException
 import io.reactivex.plugins.RxJavaPlugins
 import timber.log.Timber
@@ -52,12 +49,10 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
         themeManager.applyDefaultTheme()
 
         initLogging()
-        initCrashlytics(this, appInfo)
     }
 
     private fun initLogging() {
         if (appInfo.isDebug) {
-            FlexibleAdapter.enableLogs(Log.Level.DEBUG)
             Timber.plant(DebugLogTree())
             Timber.plant(FileLoggerTree.Builder()
                 .withFileName("wulkanowy.%g.log")

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

@@ -1,9 +1,11 @@
 package io.github.wulkanowy.data
 
+import android.app.AlarmManager
 import android.content.Context
 import android.content.SharedPreferences
 import android.content.res.AssetManager
 import android.content.res.Resources
+import androidx.core.content.getSystemService
 import androidx.preference.PreferenceManager
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.strategy.WalledGardenInternetObservingStrategy

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

@@ -1,30 +0,0 @@
-package io.github.wulkanowy.data
-
-import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.sdk.Sdk
-import javax.inject.Inject
-
-class SdkHelper @Inject constructor(private val sdk: Sdk) {
-
-    fun init(student: Student) {
-        sdk.apply {
-            email = student.email
-            password = student.password
-            symbol = student.symbol
-            schoolSymbol = student.schoolSymbol
-            studentId = student.studentId
-            classId = student.classId
-
-            if (Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
-                scrapperBaseUrl = student.scrapperBaseUrl
-                loginType = Sdk.ScrapperLoginType.valueOf(student.loginType)
-            }
-            loginId = student.userLoginId
-
-            mode = Sdk.Mode.valueOf(student.loginMode)
-            mobileBaseUrl = student.mobileBaseUrl
-            certKey = student.certificateKey
-            privateKey = student.privateKey
-        }
-    }
-}

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

@@ -22,6 +22,9 @@ interface StudentDao {
     @Query("SELECT * FROM Students WHERE is_current = 1")
     fun loadCurrent(): Maybe<Student>
 
+    @Query("SELECT * FROM Students WHERE id = :id")
+    fun loadById(id: Int): Maybe<Student>
+
     @Query("SELECT * FROM Students")
     fun loadAll(): Maybe<List<Student>>
 

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

@@ -1,3 +0,0 @@
-package io.github.wulkanowy.data.pojos
-
-class AppCreator(val displayName: String, val githubUsername: String)

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

@@ -0,0 +1,3 @@
+package io.github.wulkanowy.data.pojos
+
+class Contributor(val displayName: String, val githubUsername: String)

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

@@ -2,18 +2,18 @@ package io.github.wulkanowy.data.repositories.appcreator
 
 import android.content.res.AssetManager
 import com.google.gson.Gson
-import io.github.wulkanowy.data.pojos.AppCreator
+import io.github.wulkanowy.data.pojos.Contributor
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
 class AppCreatorRepository @Inject constructor(private val assets: AssetManager) {
-    fun getAppCreators(): Single<List<AppCreator>> {
-        return Single.fromCallable<List<AppCreator>> {
+    fun getAppCreators(): Single<List<Contributor>> {
+        return Single.fromCallable<List<Contributor>> {
             Gson().fromJson(
                 assets.open("contributors.json").bufferedReader().use { it.readText() },
-                Array<AppCreator>::class.java
+                Array<Contributor>::class.java
             ).toList()
         }
     }

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

@@ -2,8 +2,10 @@ package io.github.wulkanowy.data.repositories.attendance
 
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.Absent
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import org.threeten.bp.LocalDateTime
@@ -14,8 +16,9 @@ import javax.inject.Singleton
 @Singleton
 class AttendanceRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Attendance>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getAttendance(startDate, endDate, semester.semesterId)
+    fun getAttendance(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Attendance>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getAttendance(startDate, endDate, semester.semesterId)
             .map { attendance ->
                 attendance.map {
                     Attendance(
@@ -39,8 +42,8 @@ class AttendanceRemote @Inject constructor(private val sdk: Sdk) {
             }
     }
 
-    fun excuseAbsence(semester: Semester, absenceList: List<Attendance>, reason: String?): Single<Boolean> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).excuseForAbsence(absenceList.map { attendance ->
+    fun excuseAbsence(student: Student, semester: Semester, absenceList: List<Attendance>, reason: String?): Single<Boolean> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear).excuseForAbsence(absenceList.map { attendance ->
             Absent(
                 date = LocalDateTime.of(attendance.date, LocalTime.of(0, 0)),
                 timeId = attendance.timeId

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

@@ -4,7 +4,8 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -20,29 +21,25 @@ class AttendanceRepository @Inject constructor(
     private val remote: AttendanceRemote
 ) {
 
-    fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean)
-        : Single<List<Attendance>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getAttendance(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
-                        if (it) remote.getAttendance(semester, dates.first, dates.second)
-                        else Single.error(UnknownHostException())
-                    }.flatMap { newAttendance ->
-                        local.getAttendance(semester, dates.first, dates.second)
-                            .toSingle(emptyList())
-                            .doOnSuccess { oldAttendance ->
-                                local.deleteAttendance(oldAttendance.uniqueSubtract(newAttendance))
-                                local.saveAttendance(newAttendance.uniqueSubtract(oldAttendance))
-                            }
-                    }.flatMap {
-                        local.getAttendance(semester, dates.first, dates.second)
-                            .toSingle(emptyList())
-                    }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
+    fun getAttendance(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean): Single<List<Attendance>> {
+        return local.getAttendance(semester, start.monday, end.sunday).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+                if (it) remote.getAttendance(student, semester, start.monday, end.sunday)
+                else Single.error(UnknownHostException())
+            }.flatMap { newAttendance ->
+                local.getAttendance(semester, start.monday, end.sunday)
+                    .toSingle(emptyList())
+                    .doOnSuccess { oldAttendance ->
+                        local.deleteAttendance(oldAttendance.uniqueSubtract(newAttendance))
+                        local.saveAttendance(newAttendance.uniqueSubtract(oldAttendance))
+                    }
+            }.flatMap {
+                local.getAttendance(semester, start.monday, end.sunday)
+                    .toSingle(emptyList())
+            }).map { list -> list.filter { it.date in start..end } }
     }
 
-    fun excuseForAbsence(semester: Semester, attendanceList: List<Attendance>, reason: String? = null): Single<Boolean> {
-        return remote.excuseAbsence(semester, attendanceList, reason)
+    fun excuseForAbsence(student: Student, semester: Semester, attendanceList: List<Attendance>, reason: String? = null): Single<Boolean> {
+        return remote.excuseAbsence(student, semester, attendanceList, reason)
     }
 }

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

@@ -2,7 +2,9 @@ package io.github.wulkanowy.data.repositories.attendancesummary
 
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,8 +12,9 @@ import javax.inject.Singleton
 @Singleton
 class AttendanceSummaryRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getAttendanceSummary(semester: Semester, subjectId: Int): Single<List<AttendanceSummary>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getAttendanceSummary(subjectId)
+    fun getAttendanceSummary(student: Student, semester: Semester, subjectId: Int): Single<List<AttendanceSummary>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getAttendanceSummary(subjectId)
             .map { attendance ->
                 attendance.map {
                     AttendanceSummary(

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

@@ -4,6 +4,7 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
 import java.net.UnknownHostException
@@ -17,11 +18,11 @@ class AttendanceSummaryRepository @Inject constructor(
     private val remote: AttendanceSummaryRemote
 ) {
 
-    fun getAttendanceSummary(semester: Semester, subjectId: Int, forceRefresh: Boolean = false): Single<List<AttendanceSummary>> {
+    fun getAttendanceSummary(student: Student, semester: Semester, subjectId: Int, forceRefresh: Boolean = false): Single<List<AttendanceSummary>> {
         return local.getAttendanceSummary(semester, subjectId).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getAttendanceSummary(semester, subjectId)
+                    if (it) remote.getAttendanceSummary(student, semester, subjectId)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getAttendanceSummary(semester, subjectId).toSingle(emptyList())

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

@@ -2,7 +2,9 @@ package io.github.wulkanowy.data.repositories.completedlessons
 
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 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 io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
@@ -11,8 +13,9 @@ import javax.inject.Singleton
 @Singleton
 class CompletedLessonsRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getCompletedLessons(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<CompletedLesson>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getCompletedLessons(startDate, endDate)
+    fun getCompletedLessons(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<CompletedLesson>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getCompletedLessons(startDate, endDate)
             .map { lessons ->
                 lessons.map {
                     it.absence

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

@@ -4,7 +4,8 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -20,25 +21,22 @@ class CompletedLessonsRepository @Inject constructor(
     private val remote: CompletedLessonsRemote
 ) {
 
-    fun getCompletedLessons(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean = false): Single<List<CompletedLesson>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getCompletedLessons(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getCompletedLessons(semester, dates.first, dates.second)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getCompletedLessons(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteCompleteLessons(old.uniqueSubtract(new))
-                                    local.saveCompletedLessons(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getCompletedLessons(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                        }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
+    fun getCompletedLessons(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<CompletedLesson>> {
+        return local.getCompletedLessons(semester, start.monday, end.sunday).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getCompletedLessons(student, semester, start.monday, end.sunday)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getCompletedLessons(semester, start.monday, end.sunday)
+                        .toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteCompleteLessons(old.uniqueSubtract(new))
+                            local.saveCompletedLessons(new.uniqueSubtract(old))
+                        }
+                }.flatMap {
+                    local.getCompletedLessons(semester, start.monday, end.sunday)
+                        .toSingle(emptyList())
+                }).map { list -> list.filter { it.date in start..end } }
     }
 }

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

@@ -2,7 +2,9 @@ package io.github.wulkanowy.data.repositories.exam
 
 import io.github.wulkanowy.data.db.entities.Exam
 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 io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
@@ -11,8 +13,9 @@ import javax.inject.Singleton
 @Singleton
 class ExamRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Exam>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getExams(startDate, endDate, semester.semesterId)
+    fun getExams(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Exam>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getExams(startDate, endDate, semester.semesterId)
             .map { exams ->
                 exams.map {
                     Exam(

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

@@ -4,7 +4,8 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -20,25 +21,22 @@ class ExamRepository @Inject constructor(
     private val remote: ExamRemote
 ) {
 
-    fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate, forceRefresh: Boolean = false): Single<List<Exam>> {
-        return Single.fromCallable { startDate.monday to endDate.friday }
-            .flatMap { dates ->
-                local.getExams(semester, dates.first, dates.second).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getExams(semester, dates.first, dates.second)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getExams(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteExams(old.uniqueSubtract(new))
-                                    local.saveExams(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getExams(semester, dates.first, dates.second)
-                                .toSingle(emptyList())
-                        }).map { list -> list.filter { it.date in startDate..endDate } }
-            }
+    fun getExams(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Exam>> {
+        return local.getExams(semester, start.monday, end.sunday).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getExams(student, semester, start.monday, end.sunday)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getExams(semester, start.monday, end.sunday)
+                        .toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteExams(old.uniqueSubtract(new))
+                            local.saveExams(new.uniqueSubtract(old))
+                        }
+                }.flatMap {
+                    local.getExams(semester, start.monday, end.sunday)
+                        .toSingle(emptyList())
+                }).map { list -> list.filter { it.date in start..end } }
     }
 }

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

@@ -1,14 +1,19 @@
 package io.github.wulkanowy.data.repositories.grade
 
 import io.github.wulkanowy.data.db.dao.GradeDao
+import io.github.wulkanowy.data.db.dao.GradeSummaryDao
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Semester
 import io.reactivex.Maybe
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class GradeLocal @Inject constructor(private val gradeDb: GradeDao) {
+class GradeLocal @Inject constructor(
+    private val gradeDb: GradeDao,
+    private val gradeSummaryDb: GradeSummaryDao
+) {
 
     fun saveGrades(grades: List<Grade>) {
         gradeDb.insertAll(grades)
@@ -22,7 +27,19 @@ class GradeLocal @Inject constructor(private val gradeDb: GradeDao) {
         gradeDb.updateAll(grades)
     }
 
-    fun getGrades(semester: Semester): Maybe<List<Grade>> {
+    fun getGradesDetails(semester: Semester): Maybe<List<Grade>> {
         return gradeDb.loadAll(semester.semesterId, semester.studentId).filter { it.isNotEmpty() }
     }
+
+    fun saveGradesSummary(gradesSummary: List<GradeSummary>) {
+        gradeSummaryDb.insertAll(gradesSummary)
+    }
+
+    fun deleteGradesSummary(gradesSummary: List<GradeSummary>) {
+        gradeSummaryDb.deleteAll(gradesSummary)
+    }
+
+    fun getGradesSummary(semester: Semester): Maybe<List<GradeSummary>> {
+        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId).filter { it.isNotEmpty() }
+    }
 }

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

@@ -1,8 +1,11 @@
 package io.github.wulkanowy.data.repositories.grade
 
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
 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 io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,10 +13,11 @@ import javax.inject.Singleton
 @Singleton
 class GradeRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getGrades(semester: Semester): Single<List<Grade>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGrades(semester.semesterId)
-            .map { grades ->
-                grades.map {
+    fun getGrades(student: Student, semester: Semester): Single<Pair<List<Grade>, List<GradeSummary>>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getGrades(semester.semesterId)
+            .map { (details, summary) ->
+                details.map {
                     Grade(
                         studentId = semester.studentId,
                         semesterId = semester.semesterId,
@@ -30,6 +34,19 @@ class GradeRemote @Inject constructor(private val sdk: Sdk) {
                         date = it.date,
                         teacher = it.teacher
                     )
+                } to summary.map {
+                    GradeSummary(
+                        semesterId = semester.semesterId,
+                        studentId = semester.studentId,
+                        position = 0,
+                        subject = it.name,
+                        predictedGrade = it.predicted,
+                        finalGrade = it.final,
+                        pointsSum = it.pointsSum,
+                        proposedPoints = it.proposedPoints,
+                        finalPoints = it.finalPoints,
+                        average = it.average
+                    )
                 }
             }
     }

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.grade
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Grade
+import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.utils.uniqueSubtract
@@ -19,34 +20,47 @@ class GradeRepository @Inject constructor(
     private val remote: GradeRemote
 ) {
 
-    fun getGrades(student: Student, semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Grade>> {
-        return local.getGrades(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getGrades(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getGrades(semester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            val notifyBreakDate = old.maxBy { it.date }?.date ?: student.registrationDate.toLocalDate()
-                            local.deleteGrades(old.uniqueSubtract(new))
-                            local.saveGrades(new.uniqueSubtract(old)
-                                .onEach {
-                                    if (it.date >= notifyBreakDate) it.apply {
-                                        isRead = false
-                                        if (notify) isNotified = false
-                                    }
-                                })
-                        }
-                }.flatMap { local.getGrades(semester).toSingle(emptyList()) })
+    fun getGrades(student: Student, semester: Semester, forceRefresh: Boolean = false, notify: Boolean = false): Single<Pair<List<Grade>, List<GradeSummary>>> {
+        return local.getGradesDetails(semester).flatMap { details ->
+            local.getGradesSummary(semester).map { summary -> details to summary }
+        }.filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+                if (it) remote.getGrades(student, semester)
+                else Single.error(UnknownHostException())
+            }.flatMap { (newDetails, newSummary) ->
+                local.getGradesDetails(semester).toSingle(emptyList())
+                    .doOnSuccess { old ->
+                        val notifyBreakDate = old.maxBy { it.date }?.date ?: student.registrationDate.toLocalDate()
+                        local.deleteGrades(old.uniqueSubtract(newDetails))
+                        local.saveGrades(newDetails.uniqueSubtract(old)
+                            .onEach {
+                                if (it.date >= notifyBreakDate) it.apply {
+                                    isRead = false
+                                    if (notify) isNotified = false
+                                }
+                            })
+                    }.flatMap {
+                        local.getGradesSummary(semester).toSingle(emptyList())
+                            .doOnSuccess { old ->
+                                local.deleteGradesSummary(old.uniqueSubtract(newSummary))
+                                local.saveGradesSummary(newSummary.uniqueSubtract(old))
+                            }
+                    }
+            }.flatMap {
+                local.getGradesDetails(semester).toSingle(emptyList()).flatMap { details ->
+                    local.getGradesSummary(semester).toSingle(emptyList()).map { summary ->
+                        details to summary
+                    }
+                }
+            })
     }
 
     fun getUnreadGrades(semester: Semester): Single<List<Grade>> {
-        return local.getGrades(semester).map { it.filter { grade -> !grade.isRead } }.toSingle(emptyList())
+        return local.getGradesDetails(semester).map { it.filter { grade -> !grade.isRead } }.toSingle(emptyList())
     }
 
     fun getNotNotifiedGrades(semester: Semester): Single<List<Grade>> {
-        return local.getGrades(semester).map { it.filter { grade -> !grade.isNotified } }.toSingle(emptyList())
+        return local.getGradesDetails(semester).map { it.filter { grade -> !grade.isNotified } }.toSingle(emptyList())
     }
 
     fun updateGrade(grade: Grade): Completable {

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

@@ -1,24 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import io.github.wulkanowy.data.db.dao.GradeSummaryDao
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.reactivex.Maybe
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryLocal @Inject constructor(private val gradeSummaryDb: GradeSummaryDao) {
-
-    fun saveGradesSummary(gradesSummary: List<GradeSummary>) {
-        gradeSummaryDb.insertAll(gradesSummary)
-    }
-
-    fun deleteGradesSummary(gradesSummary: List<GradeSummary>) {
-        gradeSummaryDb.deleteAll(gradesSummary)
-    }
-
-    fun getGradesSummary(semester: Semester): Maybe<List<GradeSummary>> {
-        return gradeSummaryDb.loadAll(semester.semesterId, semester.studentId).filter { it.isNotEmpty() }
-    }
-}

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

@@ -1,32 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.sdk.Sdk
-import io.reactivex.Single
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryRemote @Inject constructor(private val sdk: Sdk) {
-
-    fun getGradeSummary(semester: Semester): Single<List<GradeSummary>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGradesSummary(semester.semesterId)
-            .map { gradesSummary ->
-                gradesSummary.map {
-                    GradeSummary(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        position = 0,
-                        subject = it.name,
-                        predictedGrade = it.predicted,
-                        finalGrade = it.final,
-                        pointsSum = it.pointsSum,
-                        proposedPoints = it.proposedPoints,
-                        finalPoints = it.finalPoints,
-                        average = it.average
-                    )
-                }
-            }
-    }
-}

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

@@ -1,34 +0,0 @@
-package io.github.wulkanowy.data.repositories.gradessummary
-
-import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
-import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.db.entities.GradeSummary
-import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Single
-import java.net.UnknownHostException
-import javax.inject.Inject
-import javax.inject.Singleton
-
-@Singleton
-class GradeSummaryRepository @Inject constructor(
-    private val settings: InternetObservingSettings,
-    private val local: GradeSummaryLocal,
-    private val remote: GradeSummaryRemote
-) {
-
-    fun getGradesSummary(semester: Semester, forceRefresh: Boolean = false): Single<List<GradeSummary>> {
-        return local.getGradesSummary(semester).filter { !forceRefresh }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getGradeSummary(semester)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    local.getGradesSummary(semester).toSingle(emptyList())
-                        .doOnSuccess { old ->
-                            local.deleteGradesSummary(old.uniqueSubtract(new))
-                            local.saveGradesSummary(new.uniqueSubtract(old))
-                        }
-                }.flatMap { local.getGradesSummary(semester).toSingle(emptyList()) })
-    }
-}

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

@@ -3,7 +3,9 @@ package io.github.wulkanowy.data.repositories.gradestatistics
 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 io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -11,8 +13,8 @@ import javax.inject.Singleton
 @Singleton
 class GradeStatisticsRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getGradeStatistics(semester: Semester, isSemester: Boolean): Single<List<GradeStatistics>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).let {
+    fun getGradeStatistics(student: Student, semester: Semester, isSemester: Boolean): Single<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 ->
@@ -29,8 +31,9 @@ class GradeStatisticsRemote @Inject constructor(private val sdk: Sdk) {
         }
     }
 
-    fun getGradePointsStatistics(semester: Semester): Single<List<GradePointsStatistics>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGradesPointsStatistics(semester.semesterId)
+    fun getGradePointsStatistics(student: Student, semester: Semester): Single<List<GradePointsStatistics>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getGradesPointsStatistics(semester.semesterId)
             .map { gradePointsStatistics ->
                 gradePointsStatistics.map {
                     GradePointsStatistics(

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

@@ -5,6 +5,7 @@ import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.Inter
 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 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.uniqueSubtract
@@ -20,11 +21,11 @@ class GradeStatisticsRepository @Inject constructor(
     private val remote: GradeStatisticsRemote
 ) {
 
-    fun getGradesStatistics(semester: Semester, subjectName: String, isSemester: Boolean, forceRefresh: Boolean = false): Single<List<GradeStatisticsItem>> {
+    fun getGradesStatistics(student: Student, semester: Semester, subjectName: String, isSemester: Boolean, forceRefresh: Boolean = false): Single<List<GradeStatisticsItem>> {
         return local.getGradesStatistics(semester, isSemester, subjectName).map { it.mapToStatisticItems() }.filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getGradeStatistics(semester, isSemester)
+                    if (it) remote.getGradeStatistics(student, semester, isSemester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getGradesStatistics(semester, isSemester).toSingle(emptyList())
@@ -35,11 +36,11 @@ class GradeStatisticsRepository @Inject constructor(
                 }.flatMap { local.getGradesStatistics(semester, isSemester, subjectName).map { it.mapToStatisticItems() }.toSingle(emptyList()) })
     }
 
-    fun getGradesPointsStatistics(semester: Semester, subjectName: String, forceRefresh: Boolean): Single<List<GradeStatisticsItem>> {
+    fun getGradesPointsStatistics(student: Student, semester: Semester, subjectName: String, forceRefresh: Boolean): Single<List<GradeStatisticsItem>> {
         return local.getGradesPointsStatistics(semester, subjectName).map { it.mapToStatisticsItem() }.filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getGradePointsStatistics(semester)
+                    if (it) remote.getGradePointsStatistics(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getGradesPointsStatistics(semester).toSingle(emptyList())

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

@@ -2,7 +2,9 @@ package io.github.wulkanowy.data.repositories.homework
 
 import io.github.wulkanowy.data.db.entities.Homework
 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 io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
@@ -11,8 +13,9 @@ import javax.inject.Singleton
 @Singleton
 class HomeworkRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getHomework(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Homework>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getHomework(startDate, endDate)
+    fun getHomework(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Homework>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getHomework(startDate, endDate)
             .map { homework ->
                 homework.map {
                     Homework(

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

@@ -4,7 +4,8 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Completable
@@ -21,12 +22,12 @@ class HomeworkRepository @Inject constructor(
     private val remote: HomeworkRemote
 ) {
 
-    fun getHomework(semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Homework>> {
-        return Single.fromCallable { start.monday to end.friday }.flatMap { (monday, friday) ->
+    fun getHomework(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Homework>> {
+        return Single.fromCallable { start.monday to end.sunday }.flatMap { (monday, friday) ->
             local.getHomework(semester, monday, friday).filter { !forceRefresh }
                 .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                     .flatMap {
-                        if (it) remote.getHomework(semester, monday, friday)
+                        if (it) remote.getHomework(student, semester, monday, friday)
                         else Single.error(UnknownHostException())
                     }.flatMap { new ->
                         local.getHomework(semester, monday, friday).toSingle(emptyList())

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.luckynumber
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Maybe
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
@@ -12,7 +13,7 @@ import javax.inject.Singleton
 class LuckyNumberRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getLuckyNumber(student: Student): Maybe<LuckyNumber> {
-        return sdk.getLuckyNumber(student.schoolShortName).map {
+        return sdk.init(student).getLuckyNumber(student.schoolShortName).map {
             LuckyNumber(
                 studentId = student.studentId,
                 date = LocalDate.now(),

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.data.repositories.luckynumber
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.SdkHelper
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Student
 import io.reactivex.Completable
@@ -16,36 +15,33 @@ import javax.inject.Singleton
 class LuckyNumberRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: LuckyNumberLocal,
-    private val remote: LuckyNumberRemote,
-    private val sdkHelper: SdkHelper
+    private val remote: LuckyNumberRemote
 ) {
 
     fun getLuckyNumber(student: Student, forceRefresh: Boolean = false, notify: Boolean = false): Maybe<LuckyNumber> {
-        return Maybe.just(sdkHelper.init(student)).flatMap {
-            local.getLuckyNumber(student, LocalDate.now()).filter { !forceRefresh }
-                .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                    .flatMapMaybe {
-                        if (it) remote.getLuckyNumber(student)
-                        else Maybe.error(UnknownHostException())
-                    }.flatMap { new ->
-                        local.getLuckyNumber(student, LocalDate.now())
-                            .doOnSuccess { old ->
-                                if (new != old) {
-                                    local.deleteLuckyNumber(old)
-                                    local.saveLuckyNumber(new.apply {
-                                        if (notify) isNotified = false
-                                    })
-                                }
-                            }
-                            .doOnComplete {
+        return local.getLuckyNumber(student, LocalDate.now()).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMapMaybe {
+                    if (it) remote.getLuckyNumber(student)
+                    else Maybe.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getLuckyNumber(student, LocalDate.now())
+                        .doOnSuccess { old ->
+                            if (new != old) {
+                                local.deleteLuckyNumber(old)
                                 local.saveLuckyNumber(new.apply {
                                     if (notify) isNotified = false
                                 })
                             }
-                    }.flatMap({ local.getLuckyNumber(student, LocalDate.now()) }, { Maybe.error(it) },
-                        { local.getLuckyNumber(student, LocalDate.now()) })
-                )
-        }
+                        }
+                        .doOnComplete {
+                            local.saveLuckyNumber(new.apply {
+                                if (notify) isNotified = false
+                            })
+                        }
+                }.flatMap({ local.getLuckyNumber(student, LocalDate.now()) }, { Maybe.error(it) },
+                    { local.getLuckyNumber(student, LocalDate.now()) })
+            )
     }
 
     fun getNotNotifiedLuckyNumber(student: Student): Maybe<LuckyNumber> {

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

@@ -8,6 +8,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.sdk.pojo.Folder
 import io.github.wulkanowy.sdk.pojo.SentMessage
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import org.threeten.bp.LocalDateTime.now
 import javax.inject.Inject
@@ -18,7 +19,7 @@ import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
 class MessageRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getMessages(student: Student, semester: Semester, folder: MessageFolder): Single<List<Message>> {
-        return sdk.getMessages(Folder.valueOf(folder.name), semester.start.atStartOfDay(), semester.end.atStartOfDay()).map { messages ->
+        return sdk.init(student).getMessages(Folder.valueOf(folder.name), semester.start.atStartOfDay(), semester.end.atStartOfDay()).map { messages ->
             messages.map {
                 Message(
                     studentId = student.id.toInt(),
@@ -41,8 +42,8 @@ class MessageRemote @Inject constructor(private val sdk: Sdk) {
         }
     }
 
-    fun getMessagesContentDetails(message: Message, markAsRead: Boolean = false): Single<Pair<String, List<MessageAttachment>>> {
-        return sdk.getMessageDetails(message.messageId, message.folderId, markAsRead, message.realId).map { details ->
+    fun getMessagesContentDetails(student: Student, message: Message, markAsRead: Boolean = false): Single<Pair<String, List<MessageAttachment>>> {
+        return sdk.init(student).getMessageDetails(message.messageId, message.folderId, markAsRead, message.realId).map { details ->
             details.content to details.attachments.map {
                 MessageAttachment(
                     realId = it.id,
@@ -55,8 +56,8 @@ class MessageRemote @Inject constructor(private val sdk: Sdk) {
         }
     }
 
-    fun sendMessage(subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
-        return sdk.sendMessage(
+    fun sendMessage(student: Student, subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
+        return sdk.init(student).sendMessage(
             subject = subject,
             content = content,
             recipients = recipients.map {
@@ -73,7 +74,7 @@ class MessageRemote @Inject constructor(private val sdk: Sdk) {
         )
     }
 
-    fun deleteMessage(message: Message): Single<Boolean> {
-        return sdk.deleteMessages(listOf(Pair(message.realId, message.folderId)))
+    fun deleteMessage(student: Student, message: Message): Single<Boolean> {
+        return sdk.init(student).deleteMessages(listOf(message.messageId to message.folderId))
     }
 }

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.data.repositories.message
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.SdkHelper
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.MessageWithAttachment
 import io.github.wulkanowy.data.db.entities.Recipient
@@ -22,60 +21,53 @@ import javax.inject.Singleton
 class MessageRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: MessageLocal,
-    private val remote: MessageRemote,
-    private val sdkHelper: SdkHelper
+    private val remote: MessageRemote
 ) {
 
     fun getMessages(student: Student, semester: Semester, folder: MessageFolder, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Message>> {
-        return Single.just(sdkHelper.init(student))
-            .flatMap { _ ->
-                local.getMessages(student, folder).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getMessages(student, semester, folder)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getMessages(student, folder).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteMessages(old.uniqueSubtract(new))
-                                    local.saveMessages(new.uniqueSubtract(old)
-                                        .onEach {
-                                            it.isNotified = !notify
-                                        })
-                                }
-                        }.flatMap { local.getMessages(student, folder).toSingle(emptyList()) }
-                    )
-            }
+        return local.getMessages(student, folder).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getMessages(student, semester, folder)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getMessages(student, folder).toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteMessages(old.uniqueSubtract(new))
+                            local.saveMessages(new.uniqueSubtract(old)
+                                .onEach {
+                                    it.isNotified = !notify
+                                })
+                        }
+                }.flatMap { local.getMessages(student, folder).toSingle(emptyList()) }
+            )
     }
 
     fun getMessage(student: Student, message: Message, markAsRead: Boolean = false): Single<MessageWithAttachment> {
-        return Single.just(sdkHelper.init(student))
-            .flatMap { _ ->
-                local.getMessageWithAttachment(student, message)
-                    .filter {
-                        it.message.content.isNotEmpty().also { status ->
-                            Timber.d("Message content in db empty: ${!status}")
-                        } && !it.message.unread
-                    }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) local.getMessageWithAttachment(student, message)
-                            else Single.error(UnknownHostException())
-                        }
-                        .flatMap { dbMessage ->
-                            remote.getMessagesContentDetails(dbMessage.message, markAsRead).doOnSuccess { (downloadedMessage, attachments) ->
-                                local.updateMessages(listOf(dbMessage.message.copy(unread = !markAsRead).apply {
-                                    id = dbMessage.message.id
-                                    content = content.ifBlank { downloadedMessage }
-                                }))
-                                local.saveMessageAttachments(attachments)
-                                Timber.d("Message ${message.messageId} with blank content: ${dbMessage.message.content.isBlank()}, marked as read")
-                            }
-                        }.flatMap {
-                            local.getMessageWithAttachment(student, message)
-                        }
-                    )
+        return local.getMessageWithAttachment(student, message)
+            .filter {
+                it.message.content.isNotEmpty().also { status ->
+                    Timber.d("Message content in db empty: ${!status}")
+                } && !it.message.unread
             }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) local.getMessageWithAttachment(student, message)
+                    else Single.error(UnknownHostException())
+                }
+                .flatMap { dbMessage ->
+                    remote.getMessagesContentDetails(student, dbMessage.message, markAsRead).doOnSuccess { (downloadedMessage, attachments) ->
+                        local.updateMessages(listOf(dbMessage.message.copy(unread = !markAsRead).apply {
+                            id = dbMessage.message.id
+                            content = content.ifBlank { downloadedMessage }
+                        }))
+                        local.saveMessageAttachments(attachments)
+                        Timber.d("Message ${message.messageId} with blank content: ${dbMessage.message.content.isBlank()}, marked as read")
+                    }
+                }.flatMap {
+                    local.getMessageWithAttachment(student, message)
+                }
+            )
     }
 
     fun getNotNotifiedMessages(student: Student): Single<List<Message>> {
@@ -88,18 +80,18 @@ class MessageRepository @Inject constructor(
         return Completable.fromCallable { local.updateMessages(messages) }
     }
 
-    fun sendMessage(subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
+    fun sendMessage(student: Student, subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
         return ReactiveNetwork.checkInternetConnectivity(settings)
             .flatMap {
-                if (it) remote.sendMessage(subject, content, recipients)
+                if (it) remote.sendMessage(student, subject, content, recipients)
                 else Single.error(UnknownHostException())
             }
     }
 
-    fun deleteMessage(message: Message): Single<Boolean> {
+    fun deleteMessage(student: Student, message: Message): Single<Boolean> {
         return ReactiveNetwork.checkInternetConnectivity(settings)
             .flatMap {
-                if (it) remote.deleteMessage(message)
+                if (it) remote.deleteMessage(student, message)
                 else Single.error(UnknownHostException())
             }
             .doOnSuccess {

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

@@ -2,8 +2,10 @@ package io.github.wulkanowy.data.repositories.mobiledevice
 
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.MobileDeviceToken
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -11,13 +13,14 @@ import javax.inject.Singleton
 @Singleton
 class MobileDeviceRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getDevices(semester: Semester): Single<List<MobileDevice>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getRegisteredDevices()
+    fun getDevices(student: Student, semester: Semester): Single<List<MobileDevice>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getRegisteredDevices()
             .map { devices ->
                 devices.map {
                     MobileDevice(
                         studentId = semester.studentId,
-                        date = it.date,
+                        date = it.createDate,
                         deviceId = it.id,
                         name = it.name
                     )
@@ -25,12 +28,14 @@ class MobileDeviceRemote @Inject constructor(private val sdk: Sdk) {
             }
     }
 
-    fun unregisterDevice(semester: Semester, device: MobileDevice): Single<Boolean> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).unregisterDevice(device.deviceId)
+    fun unregisterDevice(student: Student, semester: Semester, device: MobileDevice): Single<Boolean> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .unregisterDevice(device.deviceId)
     }
 
-    fun getToken(semester: Semester): Single<MobileDeviceToken> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getToken()
+    fun getToken(student: Student, semester: Semester): Single<MobileDeviceToken> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getToken()
             .map {
                 MobileDeviceToken(
                     token = it.token,

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

@@ -4,6 +4,7 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.pojos.MobileDeviceToken
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -18,11 +19,11 @@ class MobileDeviceRepository @Inject constructor(
     private val remote: MobileDeviceRemote
 ) {
 
-    fun getDevices(semester: Semester, forceRefresh: Boolean = false): Single<List<MobileDevice>> {
+    fun getDevices(student: Student, semester: Semester, forceRefresh: Boolean = false): Single<List<MobileDevice>> {
         return local.getDevices(semester).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getDevices(semester)
+                    if (it) remote.getDevices(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getDevices(semester).toSingle(emptyList())
@@ -34,18 +35,18 @@ class MobileDeviceRepository @Inject constructor(
             ).flatMap { local.getDevices(semester).toSingle(emptyList()) }
     }
 
-    fun unregisterDevice(semester: Semester, device: MobileDevice): Single<Boolean> {
+    fun unregisterDevice(student: Student, semester: Semester, device: MobileDevice): Single<Boolean> {
         return ReactiveNetwork.checkInternetConnectivity(settings)
             .flatMap {
-                if (it) remote.unregisterDevice(semester, device)
+                if (it) remote.unregisterDevice(student, semester, device)
                 else Single.error(UnknownHostException())
             }
     }
 
-    fun getToken(semester: Semester): Single<MobileDeviceToken> {
+    fun getToken(student: Student, semester: Semester): Single<MobileDeviceToken> {
         return ReactiveNetwork.checkInternetConnectivity(settings)
             .flatMap {
-                if (it) remote.getToken(semester)
+                if (it) remote.getToken(student, semester)
                 else Single.error(UnknownHostException())
             }
     }

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

@@ -2,7 +2,9 @@ package io.github.wulkanowy.data.repositories.note
 
 import io.github.wulkanowy.data.db.entities.Note
 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 io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,8 +12,9 @@ import javax.inject.Singleton
 @Singleton
 class NoteRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getNotes(semester: Semester): Single<List<Note>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getNotes(semester.semesterId)
+    fun getNotes(student: Student, semester: Semester): Single<List<Note>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getNotes(semester.semesterId)
             .map { notes ->
                 notes.map {
                     Note(

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

@@ -23,7 +23,7 @@ class NoteRepository @Inject constructor(
         return local.getNotes(student).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getNotes(semester)
+                    if (it) remote.getNotes(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getNotes(student).toSingle(emptyList())

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.preferences
 import android.content.Context
 import android.content.SharedPreferences
 import io.github.wulkanowy.R
+import io.github.wulkanowy.ui.modules.grade.GradeAverageMode
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -17,8 +18,8 @@ class PreferencesRepository @Inject constructor(
     val isShowPresent: Boolean
         get() = getBoolean(R.string.pref_key_attendance_present, R.bool.pref_default_attendance_present)
 
-    val gradeAverageMode: String
-        get() = getString(R.string.pref_key_grade_average_mode, R.string.pref_default_grade_average_mode)
+    val gradeAverageMode: GradeAverageMode
+        get() = GradeAverageMode.getByValue(getString(R.string.pref_key_grade_average_mode, R.string.pref_default_grade_average_mode))
 
     val gradeAverageForceCalc: Boolean
         get() = getBoolean(R.string.pref_key_grade_average_force_calc, R.bool.pref_default_grade_average_force_calc)
@@ -26,6 +27,9 @@ class PreferencesRepository @Inject constructor(
     val isGradeExpandable: Boolean
         get() = !getBoolean(R.string.pref_key_expand_grade, R.bool.pref_default_expand_grade)
 
+    val showAllSubjectsOnStatisticsList: Boolean
+        get() = getBoolean(R.string.pref_key_grade_statistics_list, R.bool.pref_default_grade_statistics_list)
+
     val appThemeKey = context.getString(R.string.pref_key_app_theme)
     val appTheme: String
         get() = getString(appThemeKey, R.string.pref_default_app_theme)
@@ -52,6 +56,10 @@ class PreferencesRepository @Inject constructor(
     val isNotificationsEnable: Boolean
         get() = getBoolean(R.string.pref_key_notifications_enable, R.bool.pref_default_notifications_enable)
 
+    val isUpcomingLessonsNotificationsEnableKey = context.getString(R.string.pref_key_notifications_upcoming_lessons_enable)
+    val isUpcomingLessonsNotificationsEnable: Boolean
+        get() = getBoolean(isUpcomingLessonsNotificationsEnableKey, R.bool.pref_default_notification_upcoming_lessons_enable)
+
     val isDebugNotificationEnableKey = context.getString(R.string.pref_key_notification_debug)
     val isDebugNotificationEnable: Boolean
         get() = getBoolean(isDebugNotificationEnableKey, R.bool.pref_default_notification_debug)
@@ -68,6 +76,9 @@ class PreferencesRepository @Inject constructor(
     val showWholeClassPlan: String
         get() = getString(R.string.pref_key_timetable_show_whole_class, R.string.pref_default_timetable_show_whole_class)
 
+    val showTimetableTimers: Boolean
+        get() = getBoolean(R.string.pref_key_timetable_show_timers, R.bool.pref_default_timetable_show_timers)
+
     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/recipient/RecipientRemote.kt

@@ -3,7 +3,9 @@ package io.github.wulkanowy.data.repositories.recipient
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.Recipient
 import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -12,15 +14,15 @@ import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
 @Singleton
 class RecipientRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getRecipients(role: Int, unit: ReportingUnit): Single<List<Recipient>> {
-        return sdk.getRecipients(unit.realId, role)
+    fun getRecipients(student: Student, role: Int, unit: ReportingUnit): Single<List<Recipient>> {
+        return sdk.init(student).getRecipients(unit.realId, role)
             .map { recipients ->
                 recipients.map { it.toRecipient() }
             }
     }
 
-    fun getMessageRecipients(message: Message): Single<List<Recipient>> {
-        return sdk.getMessageRecipients(message.messageId, message.senderId)
+    fun getMessageRecipients(student: Student, message: Message): Single<List<Recipient>> {
+        return sdk.init(student).getMessageRecipients(message.messageId, message.senderId)
             .map { recipients ->
                 recipients.map { it.toRecipient() }
             }

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.data.repositories.recipient
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.SdkHelper
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.Recipient
 import io.github.wulkanowy.data.db.entities.ReportingUnit
@@ -17,36 +16,31 @@ import javax.inject.Singleton
 class RecipientRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: RecipientLocal,
-    private val remote: RecipientRemote,
-    private val sdkHelper: SdkHelper
+    private val remote: RecipientRemote
 ) {
 
     fun getRecipients(student: Student, role: Int, unit: ReportingUnit, forceRefresh: Boolean = false): Single<List<Recipient>> {
-        return Single.just(sdkHelper.init(student))
-            .flatMap { _ ->
-                local.getRecipients(student, role, unit).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getRecipients(role, unit)
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getRecipients(student, role, unit).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteRecipients(old.uniqueSubtract(new))
-                                    local.saveRecipients(new.uniqueSubtract(old))
-                                }
-                        }.flatMap {
-                            local.getRecipients(student, role, unit).toSingle(emptyList())
+        return local.getRecipients(student, role, unit).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getRecipients(student, role, unit)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getRecipients(student, role, unit).toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteRecipients(old.uniqueSubtract(new))
+                            local.saveRecipients(new.uniqueSubtract(old))
                         }
-                    )
-            }
+                }.flatMap {
+                    local.getRecipients(student, role, unit).toSingle(emptyList())
+                }
+            )
     }
 
     fun getMessageRecipients(student: Student, message: Message): Single<List<Recipient>> {
-        return Single.just(sdkHelper.init(student))
-            .flatMap { ReactiveNetwork.checkInternetConnectivity(settings) }
+        return ReactiveNetwork.checkInternetConnectivity(settings)
             .flatMap {
-                if (it) remote.getMessageRecipients(message)
+                if (it) remote.getMessageRecipients(student, message)
                 else Single.error(UnknownHostException())
             }
     }

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

@@ -1,7 +1,9 @@
 package io.github.wulkanowy.data.repositories.reportingunit
 
 import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -9,8 +11,8 @@ import javax.inject.Singleton
 @Singleton
 class ReportingUnitRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getReportingUnits(): Single<List<ReportingUnit>> {
-        return sdk.getReportingUnits().map {
+    fun getReportingUnits(student: Student): Single<List<ReportingUnit>> {
+        return sdk.init(student).getReportingUnits().map {
             it.map { unit ->
                 ReportingUnit(
                     studentId = sdk.studentId,

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.data.repositories.reportingunit
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.SdkHelper
 import io.github.wulkanowy.data.db.entities.ReportingUnit
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.utils.uniqueSubtract
@@ -16,41 +15,34 @@ import javax.inject.Singleton
 class ReportingUnitRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: ReportingUnitLocal,
-    private val remote: ReportingUnitRemote,
-    private val sdkHelper: SdkHelper
+    private val remote: ReportingUnitRemote
 ) {
 
     fun getReportingUnits(student: Student, forceRefresh: Boolean = false): Single<List<ReportingUnit>> {
-        return Single.just(sdkHelper.init(student))
-            .flatMap { _ ->
-                local.getReportingUnits(student).filter { !forceRefresh }
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) remote.getReportingUnits()
-                            else Single.error(UnknownHostException())
-                        }.flatMap { new ->
-                            local.getReportingUnits(student).toSingle(emptyList())
-                                .doOnSuccess { old ->
-                                    local.deleteReportingUnits(old.uniqueSubtract(new))
-                                    local.saveReportingUnits(new.uniqueSubtract(old))
-                                }
-                        }.flatMap { local.getReportingUnits(student).toSingle(emptyList()) }
-                    )
-            }
+        return local.getReportingUnits(student).filter { !forceRefresh }
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) remote.getReportingUnits(student)
+                    else Single.error(UnknownHostException())
+                }.flatMap { new ->
+                    local.getReportingUnits(student).toSingle(emptyList())
+                        .doOnSuccess { old ->
+                            local.deleteReportingUnits(old.uniqueSubtract(new))
+                            local.saveReportingUnits(new.uniqueSubtract(old))
+                        }
+                }.flatMap { local.getReportingUnits(student).toSingle(emptyList()) }
+            )
     }
 
     fun getReportingUnit(student: Student, unitId: Int): Maybe<ReportingUnit> {
-        return Maybe.just(sdkHelper.init(student))
-            .flatMap { _ ->
-                local.getReportingUnit(student, unitId)
-                    .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                        .flatMap {
-                            if (it) getReportingUnits(student, true)
-                            else Single.error(UnknownHostException())
-                        }.flatMapMaybe {
-                            local.getReportingUnit(student, unitId)
-                        }
-                    )
-            }
+        return local.getReportingUnit(student, unitId)
+            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+                .flatMap {
+                    if (it) getReportingUnits(student, true)
+                    else Single.error(UnknownHostException())
+                }.flatMapMaybe {
+                    local.getReportingUnit(student, unitId)
+                }
+            )
     }
 }

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

@@ -2,14 +2,17 @@ package io.github.wulkanowy.data.repositories.school
 
 import io.github.wulkanowy.data.db.entities.School
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 
 class SchoolRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getSchoolInfo(semester: Semester): Single<School> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getSchool()
+    fun getSchoolInfo(student: Student, semester: Semester): Single<School> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getSchool()
             .map {
                 School(
                     studentId = semester.studentId,

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

@@ -4,6 +4,7 @@ import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.School
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.reactivex.Maybe
 import io.reactivex.Single
 import java.net.UnknownHostException
@@ -17,11 +18,11 @@ class SchoolRepository @Inject constructor(
     private val remote: SchoolRemote
 ) {
 
-    fun getSchoolInfo(semester: Semester, forceRefresh: Boolean = false): Maybe<School> {
+    fun getSchoolInfo(student: Student, semester: Semester, forceRefresh: Boolean = false): Maybe<School> {
         return local.getSchool(semester).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getSchoolInfo(semester)
+                    if (it) remote.getSchoolInfo(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMapMaybe { new ->
                     local.getSchool(semester)

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.semester
 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 io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -11,7 +12,7 @@ import javax.inject.Singleton
 class SemesterRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getSemesters(student: Student): Single<List<Semester>> {
-        return sdk.getSemesters().map { semesters ->
+        return sdk.init(student).getSemesters().map { semesters ->
             semesters.map {
                 Semester(
                     studentId = student.studentId,

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

@@ -2,13 +2,12 @@ package io.github.wulkanowy.data.repositories.semester
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.SdkHelper
 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.getCurrentOrLast
 import io.github.wulkanowy.utils.isCurrent
 import io.github.wulkanowy.utils.uniqueSubtract
-import io.reactivex.Maybe
 import io.reactivex.Single
 import java.net.UnknownHostException
 import javax.inject.Inject
@@ -18,31 +17,28 @@ import javax.inject.Singleton
 class SemesterRepository @Inject constructor(
     private val remote: SemesterRemote,
     private val local: SemesterLocal,
-    private val settings: InternetObservingSettings,
-    private val sdkHelper: SdkHelper
+    private val settings: InternetObservingSettings
 ) {
 
     fun getSemesters(student: Student, forceRefresh: Boolean = false, refreshOnNoCurrent: Boolean = false): Single<List<Semester>> {
-        return Maybe.just(sdkHelper.init(student))
-            .flatMap {
-                local.getSemesters(student).filter { !forceRefresh }.filter {
-                    if (refreshOnNoCurrent) {
-                        it.any { semester -> semester.isCurrent }
-                    } else true
-                }
+        return local.getSemesters(student).filter { !forceRefresh }.filter { semesters ->
+            when {
+                Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API -> semesters.firstOrNull { it.isCurrent }?.diaryId != 0
+                refreshOnNoCurrent -> semesters.any { semester -> semester.isCurrent }
+                else -> true
             }
-            .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
-                .flatMap {
-                    if (it) remote.getSemesters(student)
-                    else Single.error(UnknownHostException())
-                }.flatMap { new ->
-                    if (new.isEmpty()) throw IllegalArgumentException("Empty semester list!")
+        }.switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
+            .flatMap {
+                if (it) remote.getSemesters(student)
+                else Single.error(UnknownHostException())
+            }.flatMap { new ->
+                if (new.isEmpty()) throw IllegalArgumentException("Empty semester list!")
 
-                    local.getSemesters(student).toSingle(emptyList()).doOnSuccess { old ->
-                        local.deleteSemesters(old.uniqueSubtract(new))
-                        local.saveSemesters(new.uniqueSubtract(old))
-                    }
-                }.flatMap { local.getSemesters(student).toSingle(emptyList()) })
+                local.getSemesters(student).toSingle(emptyList()).doOnSuccess { old ->
+                    local.deleteSemesters(old.uniqueSubtract(new))
+                    local.saveSemesters(new.uniqueSubtract(old))
+                }
+            }.flatMap { local.getSemesters(student).toSingle(emptyList()) })
     }
 
     fun getCurrentSemester(student: Student, forceRefresh: Boolean = false): Single<Semester> {

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

@@ -29,10 +29,18 @@ class StudentLocal @Inject constructor(
 
     fun getStudents(decryptPass: Boolean): Maybe<List<Student>> {
         return studentDb.loadAll()
-            .map { list -> list.map { it.apply { if (decryptPass) password = decrypt(password) } } }
+            .map { list -> list.map { it.apply { if (decryptPass && Sdk.Mode.valueOf(loginMode) != Sdk.Mode.API) password = decrypt(password) } } }
             .filter { it.isNotEmpty() }
     }
 
+    fun getStudentById(id: Int): Maybe<Student> {
+        return studentDb.loadById(id).map {
+            it.apply {
+                if (Sdk.Mode.valueOf(loginMode) != Sdk.Mode.API) password = decrypt(password)
+            }
+        }
+    }
+
     fun getCurrentStudent(decryptPass: Boolean): Maybe<Student> {
         return studentDb.loadCurrent().map {
             it.apply {

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

@@ -39,7 +39,7 @@ class StudentRemote @Inject constructor(private val sdk: Sdk) {
     }
 
     fun getStudentsMobileApi(token: String, pin: String, symbol: String): Single<List<Student>> {
-        return sdk.getStudentsFromMobileApi(token, pin, symbol).map { mapStudents(it, "", "") }
+        return sdk.getStudentsFromMobileApi(token, pin, symbol, "").map { mapStudents(it, "", "") }
     }
 
     fun getStudentsScrapper(email: String, password: String, scrapperBaseUrl: String, symbol: String): Single<List<Student>> {
@@ -47,6 +47,6 @@ class StudentRemote @Inject constructor(private val sdk: Sdk) {
     }
 
     fun getStudentsHybrid(email: String, password: String, scrapperBaseUrl: String, symbol: String): Single<List<Student>> {
-        return sdk.getStudentsHybrid(email, password, scrapperBaseUrl, symbol).map { mapStudents(it, email, password) }
+        return sdk.getStudentsHybrid(email, password, scrapperBaseUrl, "", symbol).map { mapStudents(it, email, password) }
     }
 }

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

@@ -47,6 +47,12 @@ class StudentRepository @Inject constructor(
         return local.getStudents(decryptPass).toSingle(emptyList())
     }
 
+    fun getStudentById(id: Int): Single<Student> {
+        return local.getStudentById(id)
+            .switchIfEmpty(Maybe.error(NoCurrentStudentException()))
+            .toSingle()
+    }
+
     fun getCurrentStudent(decryptPass: Boolean = true): Single<Student> {
         return local.getCurrentStudent(decryptPass)
             .switchIfEmpty(Maybe.error(NoCurrentStudentException()))

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

@@ -12,7 +12,7 @@ class SubjectLocal @Inject constructor(private val subjectDao: SubjectDao) {
 
     fun getSubjects(semester: Semester): Maybe<List<Subject>> {
         return subjectDao.loadAll(semester.diaryId, semester.studentId)
-            .filter { !it.isEmpty() }
+            .filter { it.isNotEmpty() }
     }
 
     fun saveSubjects(subjects: List<Subject>) {

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

@@ -1,8 +1,10 @@
 package io.github.wulkanowy.data.repositories.subject
 
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Subject
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,8 +12,9 @@ import javax.inject.Singleton
 @Singleton
 class SubjectRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getSubjects(semester: Semester): Single<List<Subject>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getSubjects()
+    fun getSubjects(student: Student, semester: Semester): Single<List<Subject>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getSubjects()
             .map { subjects ->
                 subjects.map {
                     Subject(

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.subject
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Subject
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -17,11 +18,11 @@ class SubjectRepository @Inject constructor(
     private val remote: SubjectRemote
 ) {
 
-    fun getSubjects(semester: Semester, forceRefresh: Boolean = false): Single<List<Subject>> {
+    fun getSubjects(student: Student, semester: Semester, forceRefresh: Boolean = false): Single<List<Subject>> {
         return local.getSubjects(semester).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getSubjects(semester)
+                    if (it) remote.getSubjects(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getSubjects(semester)

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

@@ -1,8 +1,10 @@
 package io.github.wulkanowy.data.repositories.teacher
 
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Teacher
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -10,8 +12,9 @@ import javax.inject.Singleton
 @Singleton
 class TeacherRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getTeachers(semester: Semester): Single<List<Teacher>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getTeachers(semester.semesterId)
+    fun getTeachers(student: Student, semester: Semester): Single<List<Teacher>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getTeachers(semester.semesterId)
             .map { teachers ->
                 teachers.map {
                     Teacher(

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.teacher
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Teacher
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -17,11 +18,11 @@ class TeacherRepository @Inject constructor(
     private val remote: TeacherRemote
 ) {
 
-    fun getTeachers(semester: Semester, forceRefresh: Boolean = false): Single<List<Teacher>> {
+    fun getTeachers(student: Student, semester: Semester, forceRefresh: Boolean = false): Single<List<Teacher>> {
         return local.getTeachers(semester).filter { !forceRefresh }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {
-                    if (it) remote.getTeachers(semester)
+                    if (it) remote.getTeachers(student, semester)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
                     local.getTeachers(semester).toSingle(emptyList())

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

@@ -1,8 +1,10 @@
 package io.github.wulkanowy.data.repositories.timetable
 
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.utils.init
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
@@ -11,8 +13,9 @@ import javax.inject.Singleton
 @Singleton
 class TimetableRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Timetable>> {
-        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getTimetable(startDate, endDate)
+    fun getTimetable(student: Student, semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Timetable>> {
+        return sdk.init(student).switchDiary(semester.diaryId, semester.schoolYear)
+            .getTimetable(startDate, endDate)
             .map { lessons ->
                 lessons.map {
                     Timetable(

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

@@ -3,8 +3,10 @@ package io.github.wulkanowy.data.repositories.timetable
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.services.alarm.TimetableNotificationSchedulerHelper
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Single
@@ -17,21 +19,22 @@ import javax.inject.Singleton
 class TimetableRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: TimetableLocal,
-    private val remote: TimetableRemote
+    private val remote: TimetableRemote,
+    private val schedulerHelper: TimetableNotificationSchedulerHelper
 ) {
 
-    fun getTimetable(semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Timetable>> {
-        return Single.fromCallable { start.monday to end.friday }.flatMap { (monday, friday) ->
-            local.getTimetable(semester, monday, friday).filter { !forceRefresh }
+    fun getTimetable(student: Student, semester: Semester, start: LocalDate, end: LocalDate, forceRefresh: Boolean = false): Single<List<Timetable>> {
+        return Single.fromCallable { start.monday to end.sunday }.flatMap { (monday, sunday) ->
+            local.getTimetable(semester, monday, sunday).filter { !forceRefresh }
                 .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
-                    if (it) remote.getTimetable(semester, monday, friday)
+                    if (it) remote.getTimetable(student, semester, monday, sunday)
                     else Single.error(UnknownHostException())
                 }.flatMap { new ->
-                    local.getTimetable(semester, monday, friday)
+                    local.getTimetable(semester, monday, sunday)
                         .toSingle(emptyList())
                         .doOnSuccess { old ->
-                            local.deleteTimetable(old.uniqueSubtract(new))
-                            local.saveTimetable(new.uniqueSubtract(old).map { item ->
+                            local.deleteTimetable(old.uniqueSubtract(new).also { schedulerHelper.cancelScheduled(it) })
+                            local.saveTimetable(new.uniqueSubtract(old).also { schedulerHelper.scheduleNotifications(it, student) }.map { item ->
                                 item.also { new ->
                                     old.singleOrNull { new.start == it.start }?.let { old ->
                                         return@map new.copy(
@@ -43,8 +46,8 @@ class TimetableRepository @Inject constructor(
                             })
                         }
                 }.flatMap {
-                    local.getTimetable(semester, monday, friday).toSingle(emptyList())
-                }).map { list -> list.filter { it.date in start..end } }
+                    local.getTimetable(semester, monday, sunday).toSingle(emptyList())
+                }).map { list -> list.filter { it.date in start..end }.also { schedulerHelper.scheduleNotifications(it, student) } }
         }
     }
 }

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

@@ -5,8 +5,6 @@ import android.content.Context
 import com.yariksoffice.lingver.Lingver
 import dagger.Module
 import dagger.Provides
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.WulkanowyApp
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.SchedulersProvider
@@ -23,9 +21,6 @@ internal class AppModule {
     @Provides
     fun provideSchedulersProvider() = SchedulersProvider()
 
-    @Provides
-    fun provideFlexibleAdapter() = FlexibleAdapter<AbstractFlexibleItem<*>>(null, null, true)
-
     @Singleton
     @Provides
     fun provideAppWidgetManager(context: Context): AppWidgetManager = AppWidgetManager.getInstance(context)

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

@@ -3,6 +3,8 @@ package io.github.wulkanowy.di
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
 import io.github.wulkanowy.di.scopes.PerActivity
+import io.github.wulkanowy.ui.base.ErrorDialog
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.ui.modules.login.LoginModule
 import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetConfigureActivity
@@ -18,6 +20,9 @@ import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider
 @Module
 internal abstract class BindingModule {
 
+    @ContributesAndroidInjector
+    abstract fun bindErrorDialog(): ErrorDialog
+
     @PerActivity
     @ContributesAndroidInjector
     abstract fun bindSplashActivity(): SplashActivity
@@ -44,4 +49,7 @@ internal abstract class BindingModule {
 
     @ContributesAndroidInjector
     abstract fun bindLuckyNumberWidgetProvider(): LuckyNumberWidgetProvider
+
+    @ContributesAndroidInjector
+    abstract fun bindTimetableNotificationReceiver(): TimetableNotificationReceiver
 }

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

@@ -1,7 +1,9 @@
 package io.github.wulkanowy.services
 
+import android.app.AlarmManager
 import android.content.Context
 import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.getSystemService
 import androidx.work.WorkManager
 import com.squareup.inject.assisted.dagger2.AssistedModule
 import dagger.Binds
@@ -15,13 +17,13 @@ import io.github.wulkanowy.services.sync.channels.LuckyNumberChannel
 import io.github.wulkanowy.services.sync.channels.NewGradesChannel
 import io.github.wulkanowy.services.sync.channels.NewMessagesChannel
 import io.github.wulkanowy.services.sync.channels.NewNotesChannel
+import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel
 import io.github.wulkanowy.services.sync.channels.PushChannel
 import io.github.wulkanowy.services.sync.works.AttendanceSummaryWork
 import io.github.wulkanowy.services.sync.works.AttendanceWork
 import io.github.wulkanowy.services.sync.works.CompletedLessonWork
 import io.github.wulkanowy.services.sync.works.ExamWork
 import io.github.wulkanowy.services.sync.works.GradeStatisticsWork
-import io.github.wulkanowy.services.sync.works.GradeSummaryWork
 import io.github.wulkanowy.services.sync.works.GradeWork
 import io.github.wulkanowy.services.sync.works.HomeworkWork
 import io.github.wulkanowy.services.sync.works.LuckyNumberWork
@@ -47,6 +49,10 @@ abstract class ServicesModule {
         @Singleton
         @Provides
         fun provideNotificationManager(context: Context) = NotificationManagerCompat.from(context)
+
+        @Singleton
+        @Provides
+        fun provideAlarmManager(context: Context): AlarmManager = context.getSystemService()!!
     }
 
     @ContributesAndroidInjector
@@ -64,10 +70,6 @@ abstract class ServicesModule {
     @IntoSet
     abstract fun provideAttendanceWork(work: AttendanceWork): Work
 
-    @Binds
-    @IntoSet
-    abstract fun provideGradeSummaryWork(work: GradeSummaryWork): Work
-
     @Binds
     @IntoSet
     abstract fun provideExamWork(work: ExamWork): Work
@@ -131,4 +133,8 @@ abstract class ServicesModule {
     @Binds
     @IntoSet
     abstract fun providePushChannel(channel: PushChannel): Channel
+
+    @Binds
+    @IntoSet
+    abstract fun provideUpcomingLessonsChannel(channel: UpcomingLessonsChannel): Channel
 }

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

@@ -0,0 +1,117 @@
+package io.github.wulkanowy.services.alarm
+
+import android.annotation.SuppressLint
+import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Build.VERSION_CODES.N
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import dagger.android.AndroidInjection
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.repositories.student.StudentRepository
+import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel.Companion.CHANNEL_ID
+import io.github.wulkanowy.ui.modules.main.MainActivity
+import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.getCompatColor
+import io.github.wulkanowy.utils.toLocalDateTime
+import timber.log.Timber
+import javax.inject.Inject
+
+class TimetableNotificationReceiver : BroadcastReceiver() {
+
+    @Inject
+    lateinit var studentRepository: StudentRepository
+
+    @Inject
+    lateinit var schedulers: SchedulersProvider
+
+    companion object {
+        const val NOTIFICATION_TYPE_CURRENT = 1
+        const val NOTIFICATION_TYPE_UPCOMING = 2
+        const val NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION = 3
+
+        const val NOTIFICATION_ID = "id"
+
+        const val STUDENT_NAME = "student_name"
+        const val STUDENT_ID = "student_id"
+        const val LESSON_TYPE = "type"
+        const val LESSON_TITLE = "title"
+        const val LESSON_ROOM = "room"
+        const val LESSON_NEXT_TITLE = "next_title"
+        const val LESSON_NEXT_ROOM = "next_room"
+        const val LESSON_START = "start_timestamp"
+        const val LESSON_END = "end_timestamp"
+    }
+
+    @SuppressLint("CheckResult")
+    override fun onReceive(context: Context, intent: Intent) {
+        Timber.d("Receiving intent... ${intent.toUri(0)}")
+        AndroidInjection.inject(this, context)
+
+        studentRepository.getCurrentStudent(false)
+            .subscribeOn(schedulers.backgroundThread)
+            .observeOn(schedulers.mainThread)
+            .subscribe({
+                val studentId = intent.getIntExtra(STUDENT_ID, 0)
+                if (it.studentId == studentId) prepareNotification(context, intent)
+                else Timber.d("Notification studentId($studentId) differs from current(${it.studentId})")
+            }, { Timber.e(it) })
+    }
+
+    private fun prepareNotification(context: Context, intent: Intent) {
+        val type = intent.getIntExtra(LESSON_TYPE, 0)
+        val notificationId = intent.getIntExtra(NOTIFICATION_ID, MainView.Section.TIMETABLE.id)
+
+        if (type == NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION) {
+            return NotificationManagerCompat.from(context).cancel(notificationId)
+        }
+
+        val studentId = intent.getIntExtra(STUDENT_ID, 0)
+        val studentName = intent.getStringExtra(STUDENT_NAME)
+
+        val subject = intent.getStringExtra(LESSON_TITLE)
+        val room = intent.getStringExtra(LESSON_ROOM)
+
+        val start = intent.getLongExtra(LESSON_START, 0)
+        val end = intent.getLongExtra(LESSON_END, 0)
+
+        val nextSubject = intent.getStringExtra(LESSON_NEXT_TITLE)
+        val nextRoom = intent.getStringExtra(LESSON_NEXT_ROOM)
+
+        Timber.d("TimetableNotification receive: type: $type, subject: $subject, start: ${start.toLocalDateTime()}, student: $studentId")
+
+        showNotification(context, notificationId, studentName,
+            if (type == NOTIFICATION_TYPE_CURRENT) end else start, end - start,
+            context.getString(if (type == NOTIFICATION_TYPE_CURRENT) R.string.timetable_now else R.string.timetable_next, "($room) $subject".removePrefix("()")),
+            nextSubject?.let { context.getString(R.string.timetable_later, "($nextRoom) $nextSubject".removePrefix("()")) }
+        )
+    }
+
+    private fun showNotification(context: Context, notificationId: Int, studentName: String?, countDown: Long, timeout: Long, title: String, next: String?) {
+        NotificationManagerCompat.from(context).notify(notificationId, NotificationCompat.Builder(context, CHANNEL_ID)
+            .setContentTitle(title)
+            .setContentText(next)
+            .setAutoCancel(false)
+            .setOngoing(true)
+            .setWhen(countDown)
+            .apply {
+                if (Build.VERSION.SDK_INT >= N) setUsesChronometer(true)
+            }
+            .setTimeoutAfter(timeout)
+            .setSmallIcon(R.drawable.ic_stat_timetable)
+            .setColor(context.getCompatColor(R.color.colorPrimary))
+            .setStyle(NotificationCompat.InboxStyle().also {
+                it.setSummaryText(studentName)
+                it.addLine(next)
+            })
+            .setContentIntent(PendingIntent.getActivity(context, MainView.Section.TIMETABLE.id,
+                MainActivity.getStartIntent(context, MainView.Section.TIMETABLE, true), FLAG_UPDATE_CURRENT))
+            .build()
+        )
+    }
+}

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

@@ -0,0 +1,109 @@
+package io.github.wulkanowy.services.alarm
+
+import android.app.AlarmManager
+import android.app.AlarmManager.RTC_WAKEUP
+import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.content.Context
+import android.content.Intent
+import androidx.core.app.AlarmManagerCompat
+import androidx.core.app.NotificationManagerCompat
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.data.db.entities.Timetable
+import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_END
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_NEXT_ROOM
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_NEXT_TITLE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_ROOM
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_START
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_TITLE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.LESSON_TYPE
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_ID
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_CURRENT
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_LAST_LESSON_CANCELLATION
+import io.github.wulkanowy.services.alarm.TimetableNotificationReceiver.Companion.NOTIFICATION_TYPE_UPCOMING
+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.toTimestamp
+import org.threeten.bp.LocalDateTime
+import org.threeten.bp.LocalDateTime.now
+import timber.log.Timber
+import javax.inject.Inject
+
+class TimetableNotificationSchedulerHelper @Inject constructor(
+    private val context: Context,
+    private val alarmManager: AlarmManager,
+    private val preferencesRepository: PreferencesRepository
+) {
+
+    private fun getRequestCode(time: LocalDateTime, studentId: Int) = (time.toTimestamp() * studentId).toInt()
+
+    private fun getUpcomingLessonTime(index: Int, day: List<Timetable>, lesson: Timetable): LocalDateTime {
+        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))
+
+            Timber.d("TimetableNotification canceled: type 1 & 2, subject: ${lesson.subject}, start: ${lesson.start}, student: $studentId")
+        }
+    }
+
+    private fun cancelScheduledTo(range: ClosedRange<LocalDateTime>, requestCode: Int) {
+        if (now() in range) cancelNotification()
+        alarmManager.cancel(PendingIntent.getBroadcast(context, requestCode, Intent(), FLAG_UPDATE_CURRENT))
+    }
+
+    fun cancelNotification() = NotificationManagerCompat.from(context).cancel(MainView.Section.TIMETABLE.id)
+
+    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))
+
+                    if (lesson.start > now()) {
+                        scheduleBroadcast(intent, student.studentId, NOTIFICATION_TYPE_UPCOMING, getUpcomingLessonTime(index, day, lesson))
+                    }
+
+                    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)
+                        }
+                    }
+                }
+            }
+    }
+
+    private fun createIntent(student: Student, lesson: Timetable, nextLesson: Timetable?): Intent {
+        return Intent(context, TimetableNotificationReceiver::class.java).apply {
+            putExtra(STUDENT_ID, student.studentId)
+            putExtra(STUDENT_NAME, student.studentName)
+            putExtra(LESSON_ROOM, lesson.room)
+            putExtra(LESSON_START, lesson.start.toTimestamp())
+            putExtra(LESSON_END, lesson.end.toTimestamp())
+            putExtra(LESSON_TITLE, lesson.subject)
+            putExtra(LESSON_NEXT_TITLE, nextLesson?.subject)
+            putExtra(LESSON_NEXT_ROOM, nextLesson?.room)
+        }
+    }
+
+    private fun scheduleBroadcast(intent: Intent, studentId: Int, notificationType: Int, time: LocalDateTime) {
+        AlarmManagerCompat.setExactAndAllowWhileIdle(alarmManager, RTC_WAKEUP, time.toTimestamp(),
+            PendingIntent.getBroadcast(context, getRequestCode(time, studentId), intent.also {
+                it.putExtra(NOTIFICATION_ID, MainView.Section.TIMETABLE.id)
+                it.putExtra(LESSON_TYPE, notificationType)
+            }, FLAG_UPDATE_CURRENT)
+        )
+        Timber.d("TimetableNotification scheduled: type: $notificationType, subject: ${intent.getStringExtra(LESSON_TITLE)}, start: $time, student: $studentId")
+    }
+}

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

@@ -42,7 +42,7 @@ class SyncManager @Inject constructor(
     init {
         if (now().isHolidays) stopSyncWorker()
 
-        if (SDK_INT > O) {
+        if (SDK_INT >= O) {
             channels.forEach { it.create() }
             notificationManager.deleteNotificationChannel("new_entries_channel")
         }

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

@@ -1,7 +1,6 @@
 package io.github.wulkanowy.services.sync
 
 import android.content.Context
-import android.os.Build.VERSION_CODES.LOLLIPOP
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.BigTextStyle
 import androidx.core.app.NotificationCompat.PRIORITY_DEFAULT
@@ -17,9 +16,9 @@ import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.sdk.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
-import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.getCompatColor
 import io.reactivex.Completable
 import io.reactivex.Single
@@ -33,8 +32,7 @@ class SyncWorker @AssistedInject constructor(
     private val semesterRepository: SemesterRepository,
     private val works: Set<@JvmSuppressWildcards Work>,
     private val preferencesRepository: PreferencesRepository,
-    private val notificationManager: NotificationManagerCompat,
-    private val appInfo: AppInfo
+    private val notificationManager: NotificationManagerCompat
 ) : RxWorker(appContext, workerParameters) {
 
     override fun createWork(): Single<Result> {
@@ -47,6 +45,10 @@ class SyncWorker @AssistedInject constructor(
                     .flatMapCompletable { semester ->
                         Completable.mergeDelayError(works.map { work ->
                             work.create(student, semester)
+                                .onErrorResumeNext {
+                                    if (it is FeatureDisabledException || it is FeatureNotAvailableException) Completable.complete()
+                                    else Completable.error(it)
+                                }
                                 .doOnSubscribe { Timber.i("${work::class.java.simpleName} is starting") }
                                 .doOnError { Timber.i("${work::class.java.simpleName} result: An exception occurred") }
                                 .doOnComplete { Timber.i("${work::class.java.simpleName} result: Success") }
@@ -57,11 +59,11 @@ class SyncWorker @AssistedInject constructor(
             .onErrorReturn {
                 Timber.e(it, "There was an error during synchronization")
                 when {
-                    it is FeatureDisabledException -> Result.success()
                     inputData.getBoolean("one_time", false) -> {
                         Result.failure(Data.Builder()
                             .putString("error", it.toString())
-                            .build())
+                            .build()
+                        )
                     }
                     else -> Result.retry()
                 }

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

@@ -22,7 +22,7 @@ class DebugChannel @Inject constructor(
     }
 
     override fun create() {
-        if (appInfo.isDebug) return
+        if (!appInfo.isDebug) return
         notificationManager.createNotificationChannel(
             NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_debug), IMPORTANCE_DEFAULT)
                 .apply {

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

@@ -0,0 +1,31 @@
+package io.github.wulkanowy.services.sync.channels
+
+import android.annotation.TargetApi
+import android.app.Notification.VISIBILITY_PUBLIC
+import android.app.NotificationChannel
+import android.app.NotificationManager.IMPORTANCE_DEFAULT
+import android.content.Context
+import androidx.core.app.NotificationManagerCompat
+import io.github.wulkanowy.R
+import javax.inject.Inject
+
+@TargetApi(26)
+class UpcomingLessonsChannel @Inject constructor(
+    private val notificationManager: NotificationManagerCompat,
+    private val context: Context
+) : Channel {
+
+    companion object {
+        const val CHANNEL_ID = "lesson_channel"
+    }
+
+    override fun create() {
+        notificationManager.createNotificationChannel(
+            NotificationChannel(CHANNEL_ID, context.getString(R.string.channel_upcoming_lessons), IMPORTANCE_DEFAULT).apply {
+                lockscreenVisibility = VISIBILITY_PUBLIC
+                setShowBadge(false)
+                enableVibration(false)
+            }
+        )
+    }
+}

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

@@ -11,7 +11,7 @@ class AttendanceSummaryWork @Inject constructor(
 ) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return attendanceSummaryRepository.getAttendanceSummary(semester, -1, true).ignoreElement()
+        return attendanceSummaryRepository.getAttendanceSummary(student, semester, -1, true).ignoreElement()
     }
 }
 

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

@@ -3,7 +3,7 @@ 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.attendance.AttendanceRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.reactivex.Completable
 import org.threeten.bp.LocalDate.now
@@ -12,7 +12,7 @@ import javax.inject.Inject
 class AttendanceWork @Inject constructor(private val attendanceRepository: AttendanceRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return attendanceRepository.getAttendance(semester, now().monday, now().friday, true)
+        return attendanceRepository.getAttendance(student, semester, now().monday, now().sunday, true)
             .ignoreElement()
     }
 }

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

@@ -3,7 +3,7 @@ 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.completedlessons.CompletedLessonsRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.reactivex.Completable
 import org.threeten.bp.LocalDate.now
@@ -14,7 +14,7 @@ class CompletedLessonWork @Inject constructor(
 ) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return completedLessonsRepository.getCompletedLessons(semester, now().monday, now().friday, true)
+        return completedLessonsRepository.getCompletedLessons(student, semester, now().monday, now().sunday, true)
             .ignoreElement()
     }
 }

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

@@ -3,7 +3,7 @@ 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.friday
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.reactivex.Completable
 import org.threeten.bp.LocalDate.now
@@ -12,6 +12,6 @@ import javax.inject.Inject
 class ExamWork @Inject constructor(private val examRepository: ExamRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return examRepository.getExams(semester, now().monday, now().friday, true).ignoreElement()
+        return examRepository.getExams(student, semester, now().monday, now().sunday, true).ignoreElement()
     }
 }

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

@@ -9,7 +9,7 @@ import javax.inject.Inject
 class GradeStatisticsWork @Inject constructor(private val gradeStatisticsRepository: GradeStatisticsRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return gradeStatisticsRepository.getGradesStatistics(semester, "Wszystkie", false, true)
+        return gradeStatisticsRepository.getGradesStatistics(student, semester, "Wszystkie", false, true)
             .ignoreElement()
     }
 }

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

@@ -1,14 +0,0 @@
-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.gradessummary.GradeSummaryRepository
-import io.reactivex.Completable
-import javax.inject.Inject
-
-class GradeSummaryWork @Inject constructor(private val gradeSummaryRepository: GradeSummaryRepository) : Work {
-
-    override fun create(student: Student, semester: Semester): Completable {
-        return gradeSummaryRepository.getGradesSummary(semester, true).ignoreElement()
-    }
-}

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

@@ -58,4 +58,3 @@ class GradeWork @Inject constructor(
         )
     }
 }
-

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

@@ -3,7 +3,7 @@ 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.homework.HomeworkRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.reactivex.Completable
 import org.threeten.bp.LocalDate.now
@@ -12,6 +12,6 @@ import javax.inject.Inject
 class HomeworkWork @Inject constructor(private val homeworkRepository: HomeworkRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return homeworkRepository.getHomework(semester, now().monday, now().friday, true).ignoreElement()
+        return homeworkRepository.getHomework(student, semester, now().monday, now().sunday, true).ignoreElement()
     }
 }

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

@@ -9,6 +9,6 @@ import javax.inject.Inject
 class TeacherWork @Inject constructor(private val teacherRepository: TeacherRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return teacherRepository.getTeachers(semester, true).ignoreElement()
+        return teacherRepository.getTeachers(student, semester, true).ignoreElement()
     }
 }

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

@@ -3,7 +3,7 @@ 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.timetable.TimetableRepository
-import io.github.wulkanowy.utils.friday
+import io.github.wulkanowy.utils.sunday
 import io.github.wulkanowy.utils.monday
 import io.reactivex.Completable
 import org.threeten.bp.LocalDate.now
@@ -12,7 +12,7 @@ import javax.inject.Inject
 class TimetableWork @Inject constructor(private val timetableRepository: TimetableRepository) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return timetableRepository.getTimetable(semester, now().monday, now().friday, true)
+        return timetableRepository.getTimetable(student, semester, now().monday, now().sunday, true)
             .ignoreElement()
     }
 }

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

@@ -11,6 +11,7 @@ import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.viewbinding.ViewBinding
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
 import dagger.android.AndroidInjection
@@ -20,10 +21,13 @@ import io.github.wulkanowy.R
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.utils.FragmentLifecycleLogger
 import io.github.wulkanowy.utils.getThemeAttrColor
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 import javax.inject.Inject
 
-abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity(), BaseView,
-    HasAndroidInjector {
+abstract class BaseActivity<T : BasePresenter<out BaseView>, VB : ViewBinding> :
+    AppCompatActivity(), BaseView, HasAndroidInjector {
+
+    protected var binding: VB by lifecycleAwareVariable()
 
     @Inject
     lateinit var androidInjector: DispatchingAndroidInjector<Any>

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

@@ -1,9 +1,13 @@
 package io.github.wulkanowy.ui.base
 
 import android.widget.Toast
+import androidx.viewbinding.ViewBinding
 import dagger.android.support.DaggerAppCompatDialogFragment
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 
-abstract class BaseDialogFragment : DaggerAppCompatDialogFragment(), BaseView {
+abstract class BaseDialogFragment<VB : ViewBinding> : DaggerAppCompatDialogFragment(), BaseView {
+
+    protected var binding: VB by lifecycleAwareVariable()
 
     override fun showError(text: String, error: Throwable) {
         showMessage(text)
@@ -14,11 +18,11 @@ abstract class BaseDialogFragment : DaggerAppCompatDialogFragment(), BaseView {
     }
 
     override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
     }
 
     override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
     }
 
     override fun showErrorDetailsDialog(error: Throwable) {

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

@@ -0,0 +1,58 @@
+package io.github.wulkanowy.ui.base
+
+import android.util.DisplayMetrics
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearSmoothScroller
+import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.max
+import kotlin.math.min
+
+abstract class BaseExpandableAdapter<T : RecyclerView.ViewHolder> : RecyclerView.Adapter<T>() {
+
+    companion object {
+        private const val MILLISECONDS_PER_INCH = 100f
+        private const val AUTO_SCROLL_DELAY = 150L
+    }
+
+    private var recyclerView: RecyclerView? = null
+
+    override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
+        super.onAttachedToRecyclerView(recyclerView)
+        this.recyclerView = recyclerView
+    }
+
+    override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
+        super.onDetachedFromRecyclerView(recyclerView)
+        this.recyclerView = null
+    }
+
+    // original: https://github.com/davideas/FlexibleAdapter/blob/5.1.0/flexible-adapter/src/main/java/eu/davidea/flexibleadapter/FlexibleAdapter.java#L4984-L5011
+    protected fun scrollToHeaderWithSubItems(position: Int, subItemsCount: Int) {
+        val layoutManager = recyclerView!!.layoutManager as LinearLayoutManager
+        val firstVisibleItem = layoutManager.findFirstCompletelyVisibleItemPosition()
+        val lastVisibleItem = layoutManager.findLastCompletelyVisibleItemPosition()
+        val itemsToShow = position + subItemsCount - lastVisibleItem
+        if (itemsToShow > 0) {
+            val scrollMax: Int = position - firstVisibleItem
+            val scrollMin = max(0, position + subItemsCount - lastVisibleItem)
+            val scrollBy = min(scrollMax, scrollMin)
+            val scrollTo = firstVisibleItem + scrollBy
+            scrollToPosition(scrollTo)
+        } else if (position < firstVisibleItem) {
+            scrollToPosition(position)
+        }
+    }
+
+    private fun scrollToPosition(position: Int) {
+        recyclerView?.run {
+            postDelayed({
+                layoutManager?.startSmoothScroll(object : LinearSmoothScroller(context) {
+                    override fun getVerticalSnapPreference() = SNAP_TO_START
+                    override fun calculateSpeedPerPixel(displayMetrics: DisplayMetrics) = MILLISECONDS_PER_INCH / displayMetrics.densityDpi
+                }.apply {
+                    targetPosition = position
+                })
+            }, AUTO_SCROLL_DELAY)
+        }
+    }
+}

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

@@ -1,12 +1,18 @@
 package io.github.wulkanowy.ui.base
 
 import android.view.View
+import androidx.annotation.LayoutRes
+import androidx.viewbinding.ViewBinding
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.snackbar.Snackbar.LENGTH_LONG
 import dagger.android.support.DaggerFragment
 import io.github.wulkanowy.R
+import io.github.wulkanowy.utils.lifecycleAwareVariable
 
-abstract class BaseFragment : DaggerFragment(), BaseView {
+abstract class BaseFragment<VB : ViewBinding>(@LayoutRes layoutId: Int) : DaggerFragment(layoutId),
+    BaseView {
+
+    protected var binding: VB by lifecycleAwareVariable()
 
     protected var messageContainer: View? = null
 
@@ -16,7 +22,7 @@ abstract class BaseFragment : DaggerFragment(), BaseView {
                 .setAction(R.string.all_details) { if (isAdded) showErrorDetailsDialog(error) }
                 .show()
         } else {
-            (activity as? BaseActivity<*>)?.showError(text, error)
+            (activity as? BaseActivity<*, *>)?.showError(text, error)
         }
     }
 
@@ -28,15 +34,15 @@ abstract class BaseFragment : DaggerFragment(), BaseView {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG).show()
         } else {
-            (activity as? BaseActivity<*>)?.showMessage(text)
+            (activity as? BaseActivity<*, *>)?.showMessage(text)
         }
     }
 
     override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
+        (activity as? BaseActivity<*, *>)?.showExpiredDialog()
     }
 
     override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
+        (activity as? BaseActivity<*, *>)?.openClearLoginView()
     }
 }

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

@@ -6,19 +6,35 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.HorizontalScrollView
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.getSystemService
-import androidx.fragment.app.DialogFragment
 import io.github.wulkanowy.R
-import kotlinx.android.synthetic.main.dialog_error.*
+import io.github.wulkanowy.databinding.DialogErrorBinding
+import io.github.wulkanowy.sdk.exception.FeatureDisabledException
+import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
+import io.github.wulkanowy.sdk.exception.ServiceUnavailableException
+import io.github.wulkanowy.utils.AppInfo
+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 java.io.InterruptedIOException
 import java.io.PrintWriter
 import java.io.StringWriter
+import java.net.SocketTimeoutException
+import java.net.UnknownHostException
+import javax.inject.Inject
 
-class ErrorDialog : DialogFragment() {
+class ErrorDialog : BaseDialogFragment<DialogErrorBinding>() {
 
     private lateinit var error: Throwable
 
+    @Inject
+    lateinit var appInfo: AppInfo
+
     companion object {
         private const val ARGUMENT_KEY = "Data"
 
@@ -38,7 +54,7 @@ class ErrorDialog : DialogFragment() {
     }
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.dialog_error, container, false)
+        return DialogErrorBinding.inflate(inflater).apply { binding = this }.root
     }
 
     override fun onActivityCreated(savedInstanceState: Bundle?) {
@@ -48,14 +64,56 @@ class ErrorDialog : DialogFragment() {
             error.printStackTrace(PrintWriter(this))
         }
 
-        errorDialogContent.text = stringWriter.toString()
-        errorDialogCopy.setOnClickListener {
-            val clip = ClipData.newPlainText("wulkanowy", stringWriter.toString())
-            activity?.getSystemService<ClipboardManager>()?.setPrimaryClip(clip)
+        with(binding) {
+            errorDialogContent.text = stringWriter.toString()
+            with(errorDialogHorizontalScroll) {
+                post { fullScroll(HorizontalScrollView.FOCUS_LEFT) }
+            }
+            errorDialogCopy.setOnClickListener {
+                val clip = ClipData.newPlainText("wulkanowy", stringWriter.toString())
+                activity?.getSystemService<ClipboardManager>()?.setPrimaryClip(clip)
 
-            Toast.makeText(context, R.string.all_copied, LENGTH_LONG).show()
+                Toast.makeText(context, R.string.all_copied, LENGTH_LONG).show()
+            }
+            errorDialogCancel.setOnClickListener { dismiss() }
+            errorDialogReport.setOnClickListener {
+                openConfirmDialog { openEmailClient(stringWriter.toString()) }
+            }
+            errorDialogMessage.text = resources.getString(error)
+            errorDialogReport.isEnabled = when (error) {
+                is UnknownHostException,
+                is InterruptedIOException,
+                is SocketTimeoutException,
+                is ServiceUnavailableException,
+                is FeatureDisabledException,
+                is FeatureNotAvailableException -> false
+                else -> true
+            }
         }
-        errorDialogCancel.setOnClickListener { dismiss() }
+    }
+
+    private fun openConfirmDialog(callback: () -> Unit) {
+        AlertDialog.Builder(requireContext())
+            .setTitle(R.string.dialog_error_check_update)
+            .setMessage(R.string.dialog_error_check_update_message)
+            .setNeutralButton(R.string.about_feedback) { _, _ -> callback() }
+            .setPositiveButton(R.string.dialog_error_check_update) { _, _ ->
+                requireContext().openAppInMarket(::showMessage)
+            }
+            .show()
+    }
+
+    private fun openEmailClient(content: String) {
+        requireContext().openEmailClient(
+            chooserTitle = getString(R.string.about_feedback),
+            email = "wulkanowyinc@gmail.com",
+            subject = "Zgłoszenie błędu",
+            body = requireContext().getString(R.string.about_feedback_template,
+                "${appInfo.systemManufacturer} ${appInfo.systemModel}", appInfo.systemVersion.toString(), appInfo.versionName
+            ) + "\n" + content,
+            onActivityNotFound = {
+                requireContext().openInternetBrowser("https://github.com/wulkanowy/wulkanowy/issues", ::showMessage)
+            }
+        )
     }
 }
-

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

@@ -2,17 +2,11 @@ package io.github.wulkanowy.ui.base
 
 import android.content.res.Resources
 import com.chuckerteam.chucker.api.ChuckerCollector
-import io.github.wulkanowy.R
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
 import io.github.wulkanowy.sdk.exception.BadCredentialsException
-import io.github.wulkanowy.sdk.exception.FeatureDisabledException
-import io.github.wulkanowy.sdk.exception.FeatureNotAvailableException
-import io.github.wulkanowy.sdk.exception.NotLoggedInException
-import io.github.wulkanowy.sdk.exception.ServiceUnavailableException
+import io.github.wulkanowy.utils.getString
 import io.github.wulkanowy.utils.security.ScramblerException
 import timber.log.Timber
-import java.net.SocketTimeoutException
-import java.net.UnknownHostException
 import javax.inject.Inject
 
 open class ErrorHandler @Inject constructor(protected val resources: Resources, private val chuckerCollector: ChuckerCollector) {
@@ -30,18 +24,10 @@ open class ErrorHandler @Inject constructor(protected val resources: Resources,
     }
 
     protected open fun proceed(error: Throwable) {
-        resources.run {
-            when (error) {
-                is UnknownHostException -> showErrorMessage(getString(R.string.error_no_internet), error)
-                is SocketTimeoutException -> showErrorMessage(getString(R.string.error_timeout), error)
-                is NotLoggedInException -> showErrorMessage(getString(R.string.error_login_failed), error)
-                is ServiceUnavailableException -> showErrorMessage(getString(R.string.error_service_unavailable), error)
-                is FeatureDisabledException -> showErrorMessage(getString(R.string.error_feature_disabled), error)
-                is ScramblerException, is BadCredentialsException -> onSessionExpired()
-                is NoCurrentStudentException -> onNoCurrentStudent()
-                is FeatureNotAvailableException -> showErrorMessage(getString(R.string.error_feature_not_available), error)
-                else -> showErrorMessage(getString(R.string.error_unknown), error)
-            }
+        when (error) {
+            is ScramblerException, is BadCredentialsException -> onSessionExpired()
+            is NoCurrentStudentException -> onNoCurrentStudent()
+            else -> showErrorMessage(resources.getString(error), error)
         }
     }
 

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

@@ -0,0 +1,46 @@
+package io.github.wulkanowy.ui.base
+
+import android.annotation.SuppressLint
+import android.graphics.PorterDuff
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.R
+import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.databinding.ItemAccountBinding
+import io.github.wulkanowy.utils.getThemeAttrColor
+import javax.inject.Inject
+
+class WidgetConfigureAdapter @Inject constructor() : RecyclerView.Adapter<WidgetConfigureAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Pair<Student, Boolean>>()
+
+    var onClickListener: (Student) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemAccountBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    @SuppressLint("SetTextI18n")
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val (student, isCurrent) = items[position]
+
+        with(holder.binding) {
+            accountItemName.text = "${student.studentName} ${student.className}"
+            accountItemSchool.text = student.schoolName
+
+            with(accountItemImage) {
+                val colorImage = if (isCurrent) context.getThemeAttrColor(R.attr.colorPrimary)
+                else context.getThemeAttrColor(R.attr.colorOnSurface, 153)
+
+                setColorFilter(colorImage, PorterDuff.Mode.SRC_IN)
+            }
+
+            root.setOnClickListener { onClickListener(student) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemAccountBinding) : RecyclerView.ViewHolder(binding.root)
+}

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

@@ -0,0 +1,72 @@
+package io.github.wulkanowy.ui.modules.about
+
+import android.graphics.drawable.Drawable
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.core.content.res.ResourcesCompat
+import androidx.recyclerview.widget.RecyclerView
+import io.github.wulkanowy.databinding.ItemAboutBinding
+import io.github.wulkanowy.databinding.ScrollableHeaderAboutBinding
+import javax.inject.Inject
+
+class AboutAdapter @Inject constructor() : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private enum class ViewType(val id: Int) {
+        ITEM_HEADER(1),
+        ITEM_ELEMENT(2)
+    }
+
+    var items = emptyList<Triple<String, String, Drawable?>>()
+
+    var onClickListener: (name: String) -> Unit = {}
+
+    override fun getItemCount() = items.size + 1
+
+    override fun getItemViewType(position: Int) = when (position) {
+        0 -> ViewType.ITEM_HEADER.id
+        else -> ViewType.ITEM_ELEMENT.id
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        val inflater = LayoutInflater.from(parent.context)
+
+        return when (viewType) {
+            ViewType.ITEM_HEADER.id -> HeaderViewHolder(ScrollableHeaderAboutBinding.inflate(inflater, parent, false))
+            ViewType.ITEM_ELEMENT.id -> ItemViewHolder(ItemAboutBinding.inflate(inflater, parent, false))
+            else -> throw IllegalStateException()
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        when (holder) {
+            is HeaderViewHolder -> bindHeaderViewHolder(holder.binding)
+            is ItemViewHolder -> bindItemViewHolder(holder.binding, position - 1)
+        }
+    }
+
+    private fun bindHeaderViewHolder(binding: ScrollableHeaderAboutBinding) {
+        with(binding.aboutScrollableHeaderIcon) {
+            setImageDrawable(ResourcesCompat.getDrawableForDensity(
+                context.resources, context.applicationInfo.icon, 640, null)
+            )
+        }
+    }
+
+    private fun bindItemViewHolder(binding: ItemAboutBinding, position: Int) {
+        val (title, summary, image) = items[position]
+
+        with(binding) {
+            aboutItemImage.setImageDrawable(image)
+            aboutItemTitle.text = title
+            aboutItemSummary.text = summary
+
+            root.setOnClickListener { onClickListener(title) }
+        }
+    }
+
+    private class HeaderViewHolder(val binding: ScrollableHeaderAboutBinding) :
+        RecyclerView.ViewHolder(binding.root)
+
+    private class ItemViewHolder(val binding: ItemAboutBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}

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

@@ -2,13 +2,10 @@ package io.github.wulkanowy.ui.modules.about
 
 import android.graphics.drawable.Drawable
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
 import io.github.wulkanowy.R
+import io.github.wulkanowy.databinding.FragmentAboutBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.about.contributor.ContributorFragment
 import io.github.wulkanowy.ui.modules.about.license.LicenseFragment
@@ -17,19 +14,19 @@ import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.getCompatDrawable
+import io.github.wulkanowy.utils.openAppInMarket
 import io.github.wulkanowy.utils.openEmailClient
 import io.github.wulkanowy.utils.openInternetBrowser
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_about.*
 import javax.inject.Inject
 
-class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
+class AboutFragment : BaseFragment<FragmentAboutBinding>(R.layout.fragment_about), AboutView,
+    MainView.TitledView {
 
     @Inject
     lateinit var presenter: AboutPresenter
 
     @Inject
-    lateinit var aboutAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var aboutAdapter: AboutAdapter
 
     @Inject
     lateinit var appInfo: AppInfo
@@ -80,34 +77,34 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
         fun newInstance() = AboutFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_about, container, false)
-    }
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        binding = FragmentAboutBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        aboutAdapter.setOnItemClickListener(presenter::onItemSelected)
+        aboutAdapter.onClickListener = presenter::onItemSelected
 
-        with(aboutRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.aboutRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = aboutAdapter
         }
     }
 
-    override fun updateData(header: AboutScrollableHeader, items: List<AboutItem>) {
+    override fun updateData(data: List<Triple<String, String, Drawable?>>) {
         with(aboutAdapter) {
-            removeAllScrollableHeaders()
-            addScrollableHeader(header)
-            updateDataSet(items)
+            items = data
+            notifyDataSetChanged()
         }
     }
 
+    override fun openAppInMarket() {
+        context?.openAppInMarket(::showMessage)
+    }
+
     override fun openLogViewer() {
-        if (appInfo.isDebug) (activity as? MainActivity)?.pushView(LogViewerFragment.newInstance())
+        (activity as? MainActivity)?.pushView(LogViewerFragment.newInstance())
     }
 
     override fun openDiscordInvite() {
@@ -123,7 +120,7 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
             chooserTitle = getString(R.string.about_feedback),
             email = "wulkanowyinc@gmail.com",
             subject = "Zgłoszenie błędu",
-            body = requireContext().getString(R.string.about_feedback_template,
+            body = getString(R.string.about_feedback_template,
                 "${appInfo.systemManufacturer} ${appInfo.systemModel}", appInfo.systemVersion.toString(), appInfo.versionName
             ),
             onActivityNotFound = {

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

@@ -1,56 +0,0 @@
-package io.github.wulkanowy.ui.modules.about
-
-import android.graphics.drawable.Drawable
-import android.view.View
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_about.*
-
-class AboutItem(
-    val title: String,
-    private val summary: String,
-    private val image: Drawable?
-) : AbstractFlexibleItem<AboutItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_about
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            aboutItemImage.setImageDrawable(image)
-            aboutItemTitle.text = title
-            aboutItemSummary.text = summary
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as AboutItem
-
-        if (title != other.title) return false
-        if (summary != other.summary) return false
-        if (image != other.image) return false
-
-        return true
-    }
-
-    override fun hashCode(): Int {
-        var result = title.hashCode()
-        result = 31 * result + summary.hashCode()
-        result = 31 * result + (image?.hashCode() ?: 0)
-        return result
-    }
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}

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

@@ -1,9 +1,9 @@
 package io.github.wulkanowy.ui.modules.about
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 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.AppInfo
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
 import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
@@ -13,6 +13,7 @@ class AboutPresenter @Inject constructor(
     schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
+    private val appInfo: AppInfo,
     private val analytics: FirebaseAnalyticsHelper
 ) : BasePresenter<AboutView>(errorHandler, studentRepository, schedulers) {
 
@@ -23,13 +24,13 @@ class AboutPresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item !is AboutItem) return
+    fun onItemSelected(name: String) {
         view?.run {
-            when (item.title) {
+            when (name) {
                 versionRes?.first -> {
                     Timber.i("Opening log viewer")
-                    openLogViewer()
+                    if (appInfo.isDebug) openLogViewer()
+                    else openAppInMarket()
                     analytics.logEvent("about_open", "name" to "log_viewer")
                 }
                 feedbackRes?.first -> {
@@ -73,15 +74,16 @@ class AboutPresenter @Inject constructor(
 
     private fun loadData() {
         view?.run {
-            updateData(AboutScrollableHeader(), listOfNotNull(
-                versionRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                creatorsRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                feedbackRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                faqRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                discordRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                homepageRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                licensesRes?.let { (title, summary, image) -> AboutItem(title, summary, image) },
-                privacyRes?.let { (title, summary, image) -> AboutItem(title, summary, image) }))
+            updateData(listOfNotNull(
+                versionRes,
+                creatorsRes,
+                feedbackRes,
+                faqRes,
+                discordRes,
+                homepageRes,
+                licensesRes,
+                privacyRes
+            ))
         }
     }
 }

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

@@ -1,41 +0,0 @@
-package io.github.wulkanowy.ui.modules.about
-
-import android.view.View
-import androidx.core.content.res.ResourcesCompat
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.scrollable_header_about.*
-
-class AboutScrollableHeader : AbstractFlexibleItem<AboutScrollableHeader.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.scrollable_header_about
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            val context = contentView.context
-            val drawable = ResourcesCompat.getDrawableForDensity(context.resources, context.applicationInfo.icon, 640, null)
-
-            aboutScrollableHeaderIcon.setImageDrawable(drawable)
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-        return true
-    }
-
-    override fun hashCode() = javaClass.hashCode()
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}

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

@@ -23,7 +23,9 @@ interface AboutView : BaseView {
 
     fun initView()
 
-    fun updateData(header: AboutScrollableHeader, items: List<AboutItem>)
+    fun updateData(data: List<Triple<String, String, Drawable?>>)
+
+    fun openAppInMarket()
 
     fun openLogViewer()
 

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

@@ -0,0 +1,41 @@
+package io.github.wulkanowy.ui.modules.about.contributor
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import coil.api.load
+import coil.transform.RoundedCornersTransformation
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.databinding.ItemContributorBinding
+import javax.inject.Inject
+
+class ContributorAdapter @Inject constructor() :
+    RecyclerView.Adapter<ContributorAdapter.ItemViewHolder>() {
+
+    var items = emptyList<Contributor>()
+
+    var onClickListener: (Contributor) -> Unit = {}
+
+    override fun getItemCount() = items.size
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = ItemViewHolder(
+        ItemContributorBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+    )
+
+    override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
+        val item = items[position]
+
+        with(holder.binding) {
+            creatorItemName.text = item.displayName
+            creatorItemAvatar.load("https://github.com/${item.githubUsername}.png") {
+                transformations(RoundedCornersTransformation(8f))
+                crossfade(true)
+            }
+
+            root.setOnClickListener { onClickListener(item) }
+        }
+    }
+
+    class ItemViewHolder(val binding: ItemContributorBinding) :
+        RecyclerView.ViewHolder(binding.root)
+}

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

@@ -1,30 +1,27 @@
 package io.github.wulkanowy.ui.modules.about.contributor
 
 import android.os.Bundle
-import android.view.LayoutInflater
 import android.view.View
 import android.view.View.GONE
 import android.view.View.VISIBLE
-import android.view.ViewGroup
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
-import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import androidx.recyclerview.widget.LinearLayoutManager
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.pojos.Contributor
+import io.github.wulkanowy.databinding.FragmentContributorBinding
 import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.ui.widgets.DividerItemDecoration
 import io.github.wulkanowy.utils.openInternetBrowser
-import io.github.wulkanowy.utils.setOnItemClickListener
-import kotlinx.android.synthetic.main.fragment_creator.*
 import javax.inject.Inject
 
-class ContributorFragment : BaseFragment(), ContributorView, MainView.TitledView {
+class ContributorFragment : BaseFragment<FragmentContributorBinding>(R.layout.fragment_contributor),
+    ContributorView, MainView.TitledView {
 
     @Inject
     lateinit var presenter: ContributorPresenter
 
     @Inject
-    lateinit var creatorsAdapter: FlexibleAdapter<AbstractFlexibleItem<*>>
+    lateinit var creatorsAdapter: ContributorAdapter
 
     override val titleStringId get() = R.string.contributors_title
 
@@ -32,29 +29,27 @@ class ContributorFragment : BaseFragment(), ContributorView, MainView.TitledView
         fun newInstance() = ContributorFragment()
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
-        return inflater.inflate(R.layout.fragment_creator, container, false)
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        binding = FragmentContributorBinding.bind(view)
         presenter.onAttachView(this)
     }
 
     override fun initView() {
-        with(creatorRecycler) {
-            layoutManager = SmoothScrollLinearLayoutManager(context)
+        with(binding.creatorRecycler) {
+            layoutManager = LinearLayoutManager(context)
             adapter = creatorsAdapter
-            addItemDecoration(FlexibleItemDecoration(context)
-                .withDefaultDivider()
-                .withDrawDividerOnLastItem(false))
+            addItemDecoration(DividerItemDecoration(context))
         }
-        creatorsAdapter.setOnItemClickListener(presenter::onItemSelected)
-        creatorSeeMore.setOnClickListener { presenter.onSeeMoreClick() }
+        creatorsAdapter.onClickListener = presenter::onItemSelected
+        binding.creatorSeeMore.setOnClickListener { presenter.onSeeMoreClick() }
     }
 
-    override fun updateData(data: List<ContributorItem>) {
-        creatorsAdapter.updateDataSet(data)
+    override fun updateData(data: List<Contributor>) {
+        with(creatorsAdapter) {
+            items = data
+            notifyDataSetChanged()
+        }
     }
 
     override fun openUserGithubPage(username: String) {
@@ -66,7 +61,7 @@ class ContributorFragment : BaseFragment(), ContributorView, MainView.TitledView
     }
 
     override fun showProgress(show: Boolean) {
-        creatorProgress.visibility = if (show) VISIBLE else GONE
+        binding.creatorProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun onDestroyView() {

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

@@ -1,51 +0,0 @@
-package io.github.wulkanowy.ui.modules.about.contributor
-
-import android.view.View
-import coil.api.load
-import coil.transform.RoundedCornersTransformation
-import eu.davidea.flexibleadapter.FlexibleAdapter
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
-import eu.davidea.flexibleadapter.items.IFlexible
-import eu.davidea.viewholders.FlexibleViewHolder
-import io.github.wulkanowy.R
-import io.github.wulkanowy.data.pojos.AppCreator
-import kotlinx.android.extensions.LayoutContainer
-import kotlinx.android.synthetic.main.item_contributor.*
-
-class ContributorItem(val creator: AppCreator) :
-    AbstractFlexibleItem<ContributorItem.ViewHolder>() {
-
-    override fun getLayoutRes() = R.layout.item_contributor
-
-    override fun createViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) = ViewHolder(view, adapter)
-
-    override fun bindViewHolder(adapter: FlexibleAdapter<IFlexible<*>>, holder: ViewHolder, position: Int, payloads: MutableList<Any>) {
-        with(holder) {
-            creatorItemName.text = creator.displayName
-
-            creatorItemAvatar.load("https://github.com/${creator.githubUsername}.png") {
-                transformations(RoundedCornersTransformation(8f))
-                crossfade(true)
-            }
-        }
-    }
-
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        if (javaClass != other?.javaClass) return false
-
-        other as ContributorItem
-
-        if (creator != other.creator) return false
-
-        return true
-    }
-
-    override fun hashCode() = creator.hashCode()
-
-    class ViewHolder(view: View, adapter: FlexibleAdapter<IFlexible<*>>) : FlexibleViewHolder(view, adapter),
-        LayoutContainer {
-
-        override val containerView: View? get() = contentView
-    }
-}

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

@@ -1,6 +1,6 @@
 package io.github.wulkanowy.ui.modules.about.contributor
 
-import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
+import io.github.wulkanowy.data.pojos.Contributor
 import io.github.wulkanowy.data.repositories.appcreator.AppCreatorRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
@@ -21,9 +21,8 @@ class ContributorPresenter @Inject constructor(
         loadData()
     }
 
-    fun onItemSelected(item: AbstractFlexibleItem<*>) {
-        if (item !is ContributorItem) return
-        view?.openUserGithubPage(item.creator.githubUsername)
+    fun onItemSelected(contributor: Contributor) {
+        view?.openUserGithubPage(contributor.githubUsername)
     }
 
     fun onSeeMoreClick() {
@@ -32,7 +31,6 @@ class ContributorPresenter @Inject constructor(
 
     private fun loadData() {
         disposable.add(appCreatorRepository.getAppCreators()
-            .map { it.map { creator -> ContributorItem(creator) } }
             .subscribeOn(schedulers.backgroundThread)
             .observeOn(schedulers.mainThread)
             .doFinally { view?.showProgress(false) }