Merge branch 'release/0.14.2'

Version 0.14.1

.travis.yml

@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.12.0
+    - 0.14.2
 
 android:
  licenses:

README.en.md

@@ -7,11 +7,11 @@
 [![F-Droid](https://img.shields.io/f-droid/v/io.github.wulkanowy.svg?style=flat-square)](https://f-droid.org/packages/io.github.wulkanowy/)
 [![Last release](https://img.shields.io/github/release/wulkanowy/wulkanowy.svg?logo=github&style=flat-square)](https://github.com/wulkanowy/wulkanowy/releases)
 
-Unofficial android VULCAN UONET+ register client for student and parent
+Unofficial android VULCAN UONET+ register client for both students and their parents
 
 ## Features
 
-* logging in using the email and password
+* logging in using the email and password OR using token and pin
 * functions from the register website:
     * grades
     * grade statistics
@@ -24,7 +24,7 @@ Unofficial android VULCAN UONET+ register client for student and parent
     * homework
     * notes
     * lucky number
-* calculation of the average
+* calculation of the average independently of school's preferences
 * notifications, e.g. about a new grade
 * dark and black (AMOLED) theme
 * offline mode
@@ -32,21 +32,21 @@ Unofficial android VULCAN UONET+ register client for student and parent
 
 ## Download
 
-You can download the current beta from the Google Play or Fdroid store
+You can download the current beta version from the Google Play or the F-Droid store
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
       alt="Get it on Google Play"
       height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Get it on Fdroid"
+    alt="Get it on F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
     
-You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features prepared for the next release
+You can also download a [development version](https://wulkanowy.github.io/#download) that includes new features being prepared for the next release
 
 ## Built With
 
 
-* [Wulkanowy API](https://github.com/wulkanowy/api)
+* [Wulkanowy SDK](https://github.com/wulkanowy/sdk)
 * [RxJava 2](https://github.com/ReactiveX/RxJava)
 * [Dagger 2](https://github.com/google/dagger)
 * [Room](https://developer.android.com/topic/libraries/architecture/room)

README.md

@@ -11,7 +11,7 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
 
 ## Funkcje
 
-* logowanie za pomocą e-maila i hasła
+* logowanie za pomocą e-maila i hasła LUB tokena i pinu
 * funkcje ze strony internetowej dziennika:
     * oceny
     * statystyki ocen
@@ -24,7 +24,7 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
     * zadania domowe
     * uwagi
     * szczęśliwy numerek
-* obliczanie średniej
+* obliczanie średniej niezależnie od preferencji szkoły
 * powiadomienia np. o nowej ocenie
 * ciemny i czarny (AMOLED) motyw
 * tryb offilne
@@ -32,13 +32,13 @@ Nieoficjalny klient dziennika VULCAN UONET+ dla ucznia i rodzica
 
 ## Pobierz
 
-Aktualną wersję beta możesz pobrać ze sklepu Google Play lub Fdroid
+Aktualną wersję beta możesz pobrać ze sklepu Google Play lub F-Droid
 
 [<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png"
       alt="Pobierz z Google Play"
       height="80">](https://play.google.com/store/apps/details?id=io.github.wulkanowy)
 [<img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
-    alt="Pobierz z Fdroid"
+    alt="Pobierz z F-Droid"
     height="80">](https://f-droid.org/packages/io.github.wulkanowy/)
 
 
@@ -47,7 +47,7 @@ Możesz także pobrać [wersję rozwojową](https://wulkanowy.github.io/#downloa
 
 ## Zbudowana za pomocą
 
-* [Wulkanowy API](https://github.com/wulkanowy/api)
+* [Wulkanowy SDK](https://github.com/wulkanowy/SDK)
 * [RxJava 2](https://github.com/ReactiveX/RxJava)
 * [Dagger 2](https://github.com/google/dagger)
 * [Room](https://developer.android.com/topic/libraries/architecture/room)
@@ -59,4 +59,4 @@ Wnieś swój wkład w projekt, tworząc PR lub wysyłając issue na GitHub.
 
 ## Licencja
 
-Ten projekt jest licencjonowany w ramach Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)
+Ten projekt udostępniany jest na licencji Apache License 2.0 - szczegóły w pliku [LICENSE](LICENSE)

app/build.gradle

@@ -17,8 +17,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 47
-        versionName "0.12.0"
+        versionCode 51
+        versionName "0.14.2"
         multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
@@ -110,37 +110,36 @@ play {
 }
 
 ext {
-    work_manager = "2.3.0-alpha03"
-    room = "2.2.1"
-    dagger = "2.25.2"
+    work_manager = "2.3.0-rc01"
+    room = "2.2.3"
+    dagger = "2.25.4"
     chucker = "2.0.4"
     mockk = "1.9.2"
 }
 
 configurations.all {
     resolutionStrategy.force "androidx.constraintlayout:constraintlayout:1.1.3"
-    resolutionStrategy.force "com.google.android.material:material:1.1.0-alpha07"
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:api:0.12.0"
+    implementation "io.github.wulkanowy:sdk:0.14.2"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation "androidx.core:core-ktx:1.2.0-beta01"
-    implementation "androidx.activity:activity-ktx:1.1.0-rc01"
+    implementation "androidx.core:core-ktx:1.2.0-rc01"
+    implementation "androidx.activity:activity-ktx:1.1.0-rc03"
     implementation "androidx.appcompat:appcompat:1.1.0"
     implementation "androidx.appcompat:appcompat-resources:1.1.0"
-    implementation "androidx.fragment:fragment-ktx:1.2.0-rc01"
+    implementation "androidx.fragment:fragment-ktx:1.2.0-rc05"
     implementation "androidx.annotation:annotation:1.1.0"
     implementation "androidx.multidex:multidex:2.0.1"
 
     implementation "androidx.preference:preference-ktx:1.1.0"
-    implementation "androidx.recyclerview:recyclerview:1.1.0-rc01"
+    implementation "androidx.recyclerview:recyclerview:1.1.0"
     implementation "androidx.viewpager:viewpager:1.0.0"
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0-alpha03"
     implementation "androidx.constraintlayout:constraintlayout:1.1.3"
-    implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0-rc01"
-    implementation "com.google.android.material:material:1.1.0-alpha07"
+    implementation "androidx.coordinatorlayout:coordinatorlayout:1.1.0"
+    implementation "com.google.android.material:material:1.1.0-rc01"
     implementation "com.github.wulkanowy:material-chips-input:2.0.1"
     implementation "com.github.PhilJay:MPAndroidChart:v3.1.0"
     implementation "me.zhanghai.android.materialprogressbar:library:1.6.1"
@@ -157,24 +156,25 @@ dependencies {
     implementation "com.google.dagger:dagger-android-support:$dagger"
     kapt "com.google.dagger:dagger-compiler:$dagger"
     kapt "com.google.dagger:dagger-android-processor:$dagger"
-    implementation "com.squareup.inject:assisted-inject-annotations-dagger2:0.5.0"
-    kapt "com.squareup.inject:assisted-inject-processor-dagger2:0.5.0"
+    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:1.1.0"
 
     implementation "com.github.pwittchen:reactivenetwork-rx2:3.0.6"
     implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
-    implementation "io.reactivex.rxjava2:rxjava:2.2.13"
+    implementation "io.reactivex.rxjava2:rxjava:2.2.16"
 
     implementation "com.google.code.gson:gson:2.8.6"
     implementation "com.jakewharton.threetenabp:threetenabp:1.2.1"
     implementation "com.jakewharton.timber:timber:4.7.1"
     implementation "at.favre.lib:slf4j-timber:1.0.1"
-    implementation "com.squareup.okhttp3:logging-interceptor:3.12.6"
-    implementation "com.mikepenz:aboutlibraries:7.0.4"
+    implementation "com.mikepenz:aboutlibraries-core:7.1.0"
+    implementation 'com.wdullaer:materialdatetimepicker:4.2.3'
 
     playImplementation "com.google.firebase:firebase-core:17.2.1"
     playImplementation "com.crashlytics.sdk.android:crashlytics:2.10.1"
@@ -184,10 +184,10 @@ dependencies {
     debugImplementation "fr.o80.chucker:library:$chucker"
     debugImplementation "com.amitshekhar.android:debug-db:1.0.6"
 
-    testImplementation "junit:junit:4.12"
+    testImplementation "junit:junit:4.13"
     testImplementation "io.mockk:mockk:$mockk"
     testImplementation "org.threeten:threetenbp:1.4.0"
-    testImplementation "org.mockito:mockito-inline:3.1.0"
+    testImplementation "org.mockito:mockito-inline:3.2.4"
 
     androidTestImplementation "androidx.test:core:1.2.0"
     androidTestImplementation "androidx.test:runner:1.2.0"
@@ -195,7 +195,7 @@ dependencies {
     androidTestImplementation "io.mockk:mockk-android:$mockk"
     androidTestImplementation "androidx.room:room-testing:$room"
     androidTestImplementation "org.jetbrains.kotlin:kotlin-test:$kotlin_version"
-    androidTestImplementation "org.mockito:mockito-android:3.1.0"
+    androidTestImplementation "org.mockito:mockito-android:3.2.4"
 }
 
 apply plugin: 'com.google.gms.google-services'

app/src/androidTest/java/io/github/wulkanowy/data/db/migrations/AbstractMigrationTest.kt

@@ -1,11 +1,13 @@
 package io.github.wulkanowy.data.db.migrations
 
+import androidx.preference.PreferenceManager
 import androidx.room.Room
 import androidx.room.testing.MigrationTestHelper
 import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
 import androidx.test.core.app.ApplicationProvider
 import androidx.test.platform.app.InstrumentationRegistry
 import io.github.wulkanowy.data.db.AppDatabase
+import io.github.wulkanowy.data.db.SharedPrefProvider
 import org.junit.Rule
 
 abstract class AbstractMigrationTest {
@@ -22,7 +24,9 @@ abstract class AbstractMigrationTest {
     fun getMigratedRoomDatabase(): AppDatabase {
         val database = Room.databaseBuilder(ApplicationProvider.getApplicationContext(),
             AppDatabase::class.java, dbName)
-            .addMigrations(*AppDatabase.getMigrations())
+            .addMigrations(*AppDatabase.getMigrations(SharedPrefProvider(PreferenceManager
+                .getDefaultSharedPreferences(ApplicationProvider.getApplicationContext())))
+            )
             .build()
         // close the database and release any stream resources when the test finishes
         helper.closeWhenFinished(database)

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

@@ -6,15 +6,18 @@ import androidx.test.core.app.ApplicationProvider.getApplicationContext
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SdkSuppress
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.api.Api
+import io.github.wulkanowy.data.SdkHelper
 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.sdk.Sdk
 import io.mockk.MockKAnnotations
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
 import io.mockk.impl.annotations.SpyK
+import io.mockk.just
+import io.mockk.runs
 import io.reactivex.Single
 import org.junit.After
 import org.junit.Before
@@ -25,14 +28,13 @@ import org.threeten.bp.LocalDateTime
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertTrue
-import io.github.wulkanowy.api.grades.Grade as GradeApi
 
 @SdkSuppress(minSdkVersion = P)
 @RunWith(AndroidJUnit4::class)
 class GradeRepositoryTest {
 
-    @SpyK
-    private var mockApi = Api()
+    @MockK
+    private lateinit var mockSdk: Sdk
 
     private val settings = InternetObservingSettings.builder()
         .strategy(TestInternetObservingStrategy())
@@ -55,13 +57,14 @@ class GradeRepositoryTest {
         MockKAnnotations.init(this)
         testDb = Room.inMemoryDatabaseBuilder(getApplicationContext(), AppDatabase::class.java).build()
         gradeLocal = GradeLocal(testDb.gradeDao)
-        gradeRemote = GradeRemote(mockApi)
+        gradeRemote = GradeRemote(mockSdk)
 
-        every { mockApi.diaryId } returns 1
         every { studentMock.registrationDate } returns LocalDateTime.of(2019, 2, 27, 12, 0)
         every { semesterMock.studentId } returns 1
-        every { semesterMock.semesterId } returns 1
         every { semesterMock.diaryId } returns 1
+        every { semesterMock.schoolYear } returns 2019
+        every { semesterMock.semesterId } returns 1
+        every { mockSdk.switchDiary(any(), any()) } returns mockSdk
     }
 
     @After
@@ -71,7 +74,7 @@ class GradeRepositoryTest {
 
     @Test
     fun markOlderThanRegisterDateAsRead() {
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
+        every { mockSdk.getGrades(1) } returns Single.just(listOf(
             createGradeApi(5, 4.0, of(2019, 2, 25), "Ocena pojawiła się"),
             createGradeApi(5, 4.0, of(2019, 2, 26), "przed zalogowanie w aplikacji"),
             createGradeApi(5, 4.0, of(2019, 2, 27), "Ocena z dnia logowania"),
@@ -95,7 +98,7 @@ class GradeRepositoryTest {
             createGradeLocal(3, 5.0, of(2019, 2, 27), "Trzecia")
         ))
 
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
+        every { mockSdk.getGrades(1) } returns Single.just(listOf(
             createGradeApi(5, 2.0, of(2019, 2, 25), "Ocena ma datę, jest inna, ale nie zostanie powiadomiona"),
             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"),
@@ -119,7 +122,7 @@ class GradeRepositoryTest {
             createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
         ))
 
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
+        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")
         ))
@@ -137,7 +140,7 @@ class GradeRepositoryTest {
             createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
         ))
 
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
+        every { mockSdk.getGrades(1) } returns Single.just(listOf(
             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")
@@ -153,7 +156,7 @@ class GradeRepositoryTest {
     fun emptyLocal() {
         gradeLocal.saveGrades(listOf())
 
-        every { mockApi.getGrades(1) } returns Single.just(listOf(
+        every { mockSdk.getGrades(1) } returns Single.just(listOf(
             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")
@@ -172,7 +175,7 @@ class GradeRepositoryTest {
             createGradeLocal(3, 5.0, of(2019, 2, 26), "Jakaś inna ocena")
         ))
 
-        every { mockApi.getGrades(1) } returns Single.just(listOf())
+        every { mockSdk.getGrades(1) } returns Single.just(listOf())
 
         val grades = GradeRepository(settings, gradeLocal, gradeRemote)
             .getGrades(studentMock, semesterMock, true).blockingGet()

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

@@ -1,8 +1,7 @@
 package io.github.wulkanowy.data.repositories.grade
 
-import io.github.wulkanowy.api.toDate
 import org.threeten.bp.LocalDate
-import io.github.wulkanowy.api.grades.Grade as GradeRemote
+import io.github.wulkanowy.sdk.pojo.Grade as GradeRemote
 import io.github.wulkanowy.data.db.entities.Grade as GradeLocal
 
 fun createGradeLocal(value: Int, weight: Double, date: LocalDate, desc: String, semesterId: Int = 1): GradeLocal {
@@ -18,17 +17,25 @@ fun createGradeLocal(value: Int, weight: Double, date: LocalDate, desc: String,
         description = desc,
         entry = "",
         gradeSymbol = "",
-        value = value,
+        value = value.toDouble(),
         weight = "",
         weightValue = weight
     )
 }
 
 fun createGradeApi(value: Int, weight: Double, date: LocalDate, desc: String): GradeRemote {
-    return GradeRemote().apply {
-        this.value = value
-        this.weightValue = weight
-        this.date = date.toDate()
-        this.description = desc
-    }
+    return GradeRemote(
+        subject = "",
+        color = "",
+        comment = "",
+        date = date,
+        description = desc,
+        entry = "",
+        modifier = .0,
+        symbol = "",
+        teacher = "",
+        value = value.toDouble(),
+        weight = weight.toString(),
+        weightValue = weight
+    )
 }

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

@@ -42,7 +42,7 @@ class RecipientLocalTest {
         ))
 
         val recipients = recipientLocal.getRecipients(
-            Student("fakelog.cf", "AUTO", "", "", "", 1, "", "", "", "", 1, true, LocalDateTime.now()),
+            Student("fakelog.cf", "AUTO", "", "", "", "", false, "", "", "", 1, 0, "", "", "", "", 1, true, LocalDateTime.now()),
             2,
             ReportingUnit(1, 4, "", 0, "", emptyList())
         ).blockingGet()

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

@@ -39,7 +39,7 @@ class StudentLocalTest {
 
     @Test
     fun saveAndReadTest() {
-        studentLocal.saveStudents(listOf(Student(email = "test", password = "test123", schoolSymbol = "23", endpoint = "fakelog.cf", loginType = "AUTO", isCurrent = true, studentName = "", schoolName = "", studentId = 0, classId = 1, symbol = "", registrationDate = now(), className = "")))
+        studentLocal.saveStudents(listOf(Student(email = "test", password = "test123", schoolSymbol = "23", scrapperBaseUrl = "fakelog.cf", loginType = "AUTO", isCurrent = true, studentName = "", schoolName = "", studentId = 0, classId = 1, symbol = "", registrationDate = now(), className = "", loginMode = "API", certificateKey = "", privateKey = "", mobileBaseUrl = "", userLoginId = 0, isParent = false)))
             .blockingGet()
 
         val student = studentLocal.getCurrentStudent(true).blockingGet()

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

@@ -1,13 +1,11 @@
 package io.github.wulkanowy.data.repositories.timetable
 
-import io.github.wulkanowy.api.toDate
-import io.github.wulkanowy.utils.toDate
 import org.threeten.bp.LocalDateTime
 import org.threeten.bp.LocalDateTime.now
-import io.github.wulkanowy.api.timetable.Timetable as TimetableRemote
+import io.github.wulkanowy.sdk.pojo.Timetable as TimetableRemote
 import io.github.wulkanowy.data.db.entities.Timetable as TimetableLocal
 
-fun createTimetableLocal(number: Int, start: LocalDateTime, room: String = "", subject: String = "", teacher: String = "", changes: Boolean = false): TimetableLocal {
+fun createTimetableLocal(start: LocalDateTime, number: Int, room: String = "", subject: String = "", teacher: String = "", changes: Boolean = false): TimetableLocal {
     return TimetableLocal(
         studentId = 1,
         diaryId = 2,
@@ -28,18 +26,22 @@ fun createTimetableLocal(number: Int, start: LocalDateTime, room: String = "", s
     )
 }
 
-fun createTimetableRemote(number: Int, start: LocalDateTime, room: String, subject: String = "", teacher: String = "", changes: Boolean = false): TimetableRemote {
+fun createTimetableRemote(start: LocalDateTime, number: Int = 1, room: String = "", subject: String = "", teacher: String = "", changes: Boolean = false): TimetableRemote {
     return TimetableRemote(
         number = number,
-        start = start.toDate(),
-        end = start.plusMinutes(45).toDate(),
-        date = start.toLocalDate().toDate(),
+        start = start,
+        end = start.plusMinutes(45),
+        date = start.toLocalDate(),
         subject = subject,
         group = "",
         room = room,
         teacher = teacher,
         info = "",
         changes = changes,
-        canceled = false
+        canceled = false,
+        roomOld = "",
+        subjectOld = "",
+        teacherOld = "",
+        studentPlan = true
     )
 }

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

@@ -35,9 +35,9 @@ class TimetableLocalTest {
     @Test
     fun saveAndReadTest() {
         timetableDb.saveTimetable(listOf(
-            createTimetableLocal(1, of(2018, 9, 10, 0, 0, 0)),
-            createTimetableLocal(1, of(2018, 9, 14, 0, 0, 0)),
-            createTimetableLocal(1, of(2018, 9, 17, 0, 0, 0))
+            createTimetableLocal(of(2018, 9, 10, 0, 0, 0), 1),
+            createTimetableLocal(of(2018, 9, 14, 0, 0, 0), 1),
+            createTimetableLocal(of(2018, 9, 17, 0, 0, 0), 1)
         ))
 
         val exams = timetableDb.getTimetable(

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

@@ -6,14 +6,13 @@ import androidx.test.core.app.ApplicationProvider.getApplicationContext
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SdkSuppress
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.AppDatabase
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.repositories.TestInternetObservingStrategy
+import io.github.wulkanowy.sdk.Sdk
 import io.mockk.MockKAnnotations
 import io.mockk.every
 import io.mockk.impl.annotations.MockK
-import io.mockk.impl.annotations.SpyK
 import io.reactivex.Single
 import org.junit.After
 import org.junit.Before
@@ -27,8 +26,8 @@ import kotlin.test.assertEquals
 @RunWith(AndroidJUnit4::class)
 class TimetableRepositoryTest {
 
-    @SpyK
-    private var mockApi = Api()
+    @MockK
+    private lateinit var mockSdk: Sdk
 
     private val settings = InternetObservingSettings.builder()
         .strategy(TestInternetObservingStrategy())
@@ -48,10 +47,13 @@ class TimetableRepositoryTest {
         MockKAnnotations.init(this)
         testDb = Room.inMemoryDatabaseBuilder(getApplicationContext(), AppDatabase::class.java).build()
         timetableLocal = TimetableLocal(testDb.timetableDao)
-        timetableRemote = TimetableRemote(mockApi)
+        timetableRemote = TimetableRemote(mockSdk)
 
         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
     }
 
     @After
@@ -62,17 +64,17 @@ class TimetableRepositoryTest {
     @Test
     fun copyRoomToCompletedFromPrevious() {
         timetableLocal.saveTimetable(listOf(
-            createTimetableLocal(1, of(2019, 3, 5, 8, 0), "123", "Przyroda"),
-            createTimetableLocal(2, of(2019, 3, 5, 8, 50), "321", "Religia"),
-            createTimetableLocal(3, of(2019, 3, 5, 9, 40), "213", "W-F"),
-            createTimetableLocal(4, of(2019, 3, 5, 10, 30), "213", "W-F", "Jan Kowalski")
+            createTimetableLocal(of(2019, 3, 5, 8, 0), 1, "123", "Przyroda"),
+            createTimetableLocal(of(2019, 3, 5, 8, 50), 2, "321", "Religia"),
+            createTimetableLocal(of(2019, 3, 5, 9, 40), 3, "213", "W-F"),
+            createTimetableLocal(of(2019, 3, 5, 10, 30),3, "213", "W-F", "Jan Kowalski")
         ))
 
-        every { mockApi.getTimetable(any(), any()) } returns Single.just(listOf(
-            createTimetableRemote(1, of(2019, 3, 5, 8, 0), "", "Przyroda"),
-            createTimetableRemote(2, of(2019, 3, 5, 8, 50), "", "Religia"),
-            createTimetableRemote(3, of(2019, 3, 5, 9, 40), "", "W-F"),
-            createTimetableRemote(4, of(2019, 3, 5, 10, 30), "", "W-F")
+        every { mockSdk.getTimetable(any(), any()) } returns Single.just(listOf(
+            createTimetableRemote(of(2019, 3, 5, 8, 0), 1, "", "Przyroda"),
+            createTimetableRemote(of(2019, 3, 5, 8, 50), 2, "", "Religia"),
+            createTimetableRemote(of(2019, 3, 5, 9, 40), 3, "", "W-F"),
+            createTimetableRemote(of(2019, 3, 5, 10, 30), 4, "", "W-F")
         ))
 
         val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
@@ -88,27 +90,58 @@ class TimetableRepositoryTest {
     @Test
     fun copyTeacherToCompletedFromPrevious() {
         timetableLocal.saveTimetable(listOf(
-            createTimetableLocal(1, of(2019, 3, 5, 8, 0), "123", "Przyroda", "Jan Garnkiewicz", false),
-            createTimetableLocal(2, of(2019, 3, 5, 8, 50), "321", "Religia", "Paweł Jumper", false),
-            createTimetableLocal(3, of(2019, 3, 5, 9, 40), "213", "W-F", "", true),
-            createTimetableLocal(4, of(2019, 3, 5, 10, 30), "213", "W-F", "", false)
+            createTimetableLocal(of(2019, 12, 23, 8, 0), 1, "123", "Matematyka", "Paweł Poniedziałkowski", false),
+            createTimetableLocal(of(2019, 12, 23, 8, 50), 2, "124", "Matematyka", "Paweł Poniedziałkowski", false),
+            createTimetableLocal(of(2019, 12, 23, 9, 40), 3, "125", "Język polski", "Joanna Wtorkowska", true),
+            createTimetableLocal(of(2019, 12, 23, 10, 40), 4, "126", "Język polski", "Joanna Wtorkowska", true),
+
+            createTimetableLocal(of(2019, 12, 24, 8, 0), 1, "123", "Język polski", "Joanna Wtorkowska", false),
+            createTimetableLocal(of(2019, 12, 24, 8, 50), 2, "124", "Język polski", "Joanna Wtorkowska", false),
+            createTimetableLocal(of(2019, 12, 24, 9, 40), 3, "125", "Język polski", "Joanna Środowska", true),
+            createTimetableLocal(of(2019, 12, 24, 10, 40), 4, "126", "Język polski", "Joanna Środowska", true),
+
+            createTimetableLocal(of(2019, 12, 25, 8, 0), 1, "123", "Matematyka", "", false),
+            createTimetableLocal(of(2019, 12, 25, 8, 50), 2, "124", "Matematyka", "", false),
+            createTimetableLocal(of(2019, 12, 25, 9, 40), 3, "125", "Matematyka", "", true),
+            createTimetableLocal(of(2019, 12, 25, 10, 40), 4, "126", "Matematyka", "", true)
         ))
 
-        every { mockApi.getTimetable(any(), any()) } returns Single.just(listOf(
-            createTimetableRemote(1, of(2019, 3, 5, 8, 0), "", "Przyroda", "", true), // should override local
-            createTimetableRemote(2, of(2019, 3, 5, 8, 50), "", "Religia", "", false),
-            createTimetableRemote(3, of(2019, 3, 5, 9, 40), "", "W-F", "Jan Garnkiewicz", false),
-            createTimetableRemote(4, of(2019, 3, 5, 10, 30), "", "W-F", "Paweł Jumper", false)
+        every { mockSdk.getTimetable(any(), any()) } returns Single.just(listOf(
+            createTimetableRemote(of(2019, 12, 23, 8, 0), 1, "123", "Matematyka", "Paweł Poniedziałkowski", false),
+            createTimetableRemote(of(2019, 12, 23, 8, 50), 2, "124", "Matematyka", "Jakub Wtorkowski", true),
+            createTimetableRemote(of(2019, 12, 23, 9, 40), 3, "125", "Język polski", "Joanna Poniedziałkowska", false),
+            createTimetableRemote(of(2019, 12, 23, 10, 40), 4, "126", "Język polski", "Joanna Wtorkowska", true),
+
+            createTimetableRemote(of(2019, 12, 24, 8, 0), 1, "123", "Język polski", "", false),
+            createTimetableRemote(of(2019, 12, 24, 8, 50), 2, "124", "Język polski", "", true),
+            createTimetableRemote(of(2019, 12, 24, 9, 40), 3, "125", "Język polski", "", false),
+            createTimetableRemote(of(2019, 12, 24, 10, 40), 4, "126", "Język polski", "", true),
+
+            createTimetableRemote(of(2019, 12, 25, 8, 0), 1, "123", "Matematyka", "Paweł Środowski", false),
+            createTimetableRemote(of(2019, 12, 25, 8, 50), 2, "124", "Matematyka", "Paweł Czwartkowski", true),
+            createTimetableRemote(of(2019, 12, 25, 9, 40), 3, "125", "Matematyka", "Paweł Środowski", false),
+            createTimetableRemote(of(2019, 12, 25, 10, 40), 4, "126", "Matematyka", "Paweł Czwartkowski", true)
         ))
 
         val lessons = TimetableRepository(settings, timetableLocal, timetableRemote)
-            .getTimetable(semesterMock, LocalDate.of(2019, 3, 5), LocalDate.of(2019, 3, 5), true)
+            .getTimetable(semesterMock, LocalDate.of(2019, 12, 23), LocalDate.of(2019, 12, 25), true)
             .blockingGet()
 
-        assertEquals(4, lessons.size)
-        assertEquals("", lessons[0].teacher)
-        assertEquals("Paweł Jumper", lessons[1].teacher)
-        assertEquals("Jan Garnkiewicz", lessons[2].teacher)
-        assertEquals("Paweł Jumper", lessons[3].teacher)
+        assertEquals(12, lessons.size)
+
+        assertEquals("Paweł Poniedziałkowski", lessons[0].teacher)
+        assertEquals("Jakub Wtorkowski", lessons[1].teacher)
+        assertEquals("Joanna Poniedziałkowska", lessons[2].teacher)
+        assertEquals("Joanna Wtorkowska", lessons[3].teacher)
+
+        assertEquals("Joanna Wtorkowska", lessons[4].teacher)
+        assertEquals("", lessons[5].teacher)
+        assertEquals("", lessons[6].teacher)
+        assertEquals("", lessons[7].teacher)
+
+        assertEquals("Paweł Środowski", lessons[8].teacher)
+        assertEquals("Paweł Czwartkowski", lessons[9].teacher)
+        assertEquals("Paweł Środowski", lessons[10].teacher)
+        assertEquals("Paweł Czwartkowski", lessons[11].teacher)
     }
 }

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

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

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

@@ -6,6 +6,7 @@ import android.util.Log.VERBOSE
 import androidx.multidex.MultiDex
 import androidx.work.Configuration
 import com.jakewharton.threetenabp.AndroidThreeTen
+import com.yariksoffice.lingver.Lingver
 import dagger.android.AndroidInjector
 import dagger.android.support.DaggerApplication
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -44,6 +45,7 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
         super.onCreate()
         AndroidThreeTen.init(this)
         RxJavaPlugins.setErrorHandler(::onError)
+        Lingver.init(this)
         themeManager.applyDefaultTheme()
 
         initLogging()

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

@@ -1,35 +0,0 @@
-package io.github.wulkanowy.data
-
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.data.db.entities.Student
-import java.net.URL
-import javax.inject.Inject
-
-class ApiHelper @Inject constructor(private val api: Api) {
-
-    fun initApi(student: Student) {
-        api.apply {
-            email = student.email
-            password = student.password
-            symbol = student.symbol
-            schoolSymbol = student.schoolSymbol
-            studentId = student.studentId
-            classId = student.classId
-            host = URL(student.endpoint).run { host + ":$port".removeSuffix(":-1") }
-            ssl = student.endpoint.startsWith("https")
-            loginType = Api.LoginType.valueOf(student.loginType)
-            useNewStudent = true
-        }
-    }
-
-    fun initApi(email: String, password: String, symbol: String, endpoint: String) {
-        api.apply {
-            this.email = email
-            this.password = password
-            this.symbol = symbol
-            host = URL(endpoint).run { host + ":$port".removeSuffix(":-1") }
-            ssl = endpoint.startsWith("https")
-            useNewStudent = true
-        }
-    }
-}

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

@@ -11,12 +11,10 @@ import com.readystatesoftware.chuck.api.ChuckInterceptor
 import com.readystatesoftware.chuck.api.RetentionManager
 import dagger.Module
 import dagger.Provides
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.AppDatabase
+import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
-import okhttp3.logging.HttpLoggingInterceptor
-import okhttp3.logging.HttpLoggingInterceptor.Level.BASIC
-import okhttp3.logging.HttpLoggingInterceptor.Level.NONE
+import io.github.wulkanowy.sdk.Sdk
 import timber.log.Timber
 import javax.inject.Singleton
 
@@ -33,15 +31,14 @@ internal class RepositoryModule {
 
     @Singleton
     @Provides
-    fun provideApi(chuckCollector: ChuckCollector, context: Context): Api {
-        return Api().apply {
-            logLevel = NONE
+    fun provideSdk(chuckCollector: ChuckCollector, context: Context): Sdk {
+        return Sdk().apply {
             androidVersion = android.os.Build.VERSION.RELEASE
             buildTag = android.os.Build.MODEL
-            setInterceptor(HttpLoggingInterceptor(HttpLoggingInterceptor.Logger { Timber.d(it) }).setLevel(BASIC))
+            setSimpleHttpLogger { Timber.d(it) }
 
             // for debug only
-            setInterceptor(ChuckInterceptor(context, chuckCollector).maxContentLength(250000L), true, 0)
+            addInterceptor(ChuckInterceptor(context, chuckCollector).maxContentLength(250000L), true)
         }
     }
 
@@ -55,7 +52,7 @@ internal class RepositoryModule {
 
     @Singleton
     @Provides
-    fun provideDatabase(context: Context) = AppDatabase.newInstance(context)
+    fun provideDatabase(context: Context, sharedPrefProvider: SharedPrefProvider) = AppDatabase.newInstance(context, sharedPrefProvider)
 
     @Singleton
     @Provides

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

@@ -0,0 +1,30 @@
+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/AppDatabase.kt

@@ -58,6 +58,7 @@ import io.github.wulkanowy.data.db.migrations.Migration15
 import io.github.wulkanowy.data.db.migrations.Migration16
 import io.github.wulkanowy.data.db.migrations.Migration17
 import io.github.wulkanowy.data.db.migrations.Migration18
+import io.github.wulkanowy.data.db.migrations.Migration19
 import io.github.wulkanowy.data.db.migrations.Migration2
 import io.github.wulkanowy.data.db.migrations.Migration3
 import io.github.wulkanowy.data.db.migrations.Migration4
@@ -100,9 +101,9 @@ import javax.inject.Singleton
 abstract class AppDatabase : RoomDatabase() {
 
     companion object {
-        const val VERSION_SCHEMA = 18
+        const val VERSION_SCHEMA = 19
 
-        fun getMigrations(): Array<Migration> {
+        fun getMigrations(sharedPrefProvider: SharedPrefProvider): Array<Migration> {
             return arrayOf(
                 Migration2(),
                 Migration3(),
@@ -120,16 +121,17 @@ abstract class AppDatabase : RoomDatabase() {
                 Migration15(),
                 Migration16(),
                 Migration17(),
-                Migration18()
+                Migration18(),
+                Migration19(sharedPrefProvider)
             )
         }
 
-        fun newInstance(context: Context): AppDatabase {
+        fun newInstance(context: Context, sharedPrefProvider: SharedPrefProvider): AppDatabase {
             return Room.databaseBuilder(context, AppDatabase::class.java, "wulkanowy_database")
                 .setJournalMode(TRUNCATE)
                 .fallbackToDestructiveMigrationFrom(VERSION_SCHEMA + 1)
                 .fallbackToDestructiveMigrationOnDowngrade()
-                .addMigrations(*getMigrations())
+                .addMigrations(*getMigrations(sharedPrefProvider))
                 .build()
         }
     }

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

@@ -8,12 +8,22 @@ import javax.inject.Singleton
 @Singleton
 class SharedPrefProvider @Inject constructor(private val sharedPref: SharedPreferences) {
 
+    companion object {
+        const val APP_VERSION_CODE_KEY = "app_version_code"
+    }
+
     fun putLong(key: String, value: Long, sync: Boolean = false) {
         sharedPref.edit(sync) { putLong(key, value) }
     }
 
     fun getLong(key: String, defaultValue: Long) = sharedPref.getLong(key, defaultValue)
 
+    fun getString(key: String, defaultValue: String): String = sharedPref.getString(key, defaultValue) ?: defaultValue
+
+    fun putString(key: String, value: String, sync: Boolean = false) {
+        sharedPref.edit(sync) { putString(key, value) }
+    }
+
     fun delete(key: String) {
         sharedPref.edit().remove(key).apply()
     }

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.reactivex.Maybe
@@ -11,13 +9,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface AttendanceDao {
-
-    @Insert
-    fun insertAll(exams: List<Attendance>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Attendance>)
+interface AttendanceDao : BaseDao<Attendance> {
 
     @Query("SELECT * FROM Attendance WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
     fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Attendance>>

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

@@ -1,20 +1,12 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 import io.reactivex.Maybe
 
 @Dao
-interface AttendanceSummaryDao {
-
-    @Insert
-    fun insertAll(exams: List<AttendanceSummary>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<AttendanceSummary>)
+interface AttendanceSummaryDao : BaseDao<AttendanceSummary> {
 
     @Query("SELECT * FROM AttendanceSummary WHERE diary_id = :diaryId AND student_id = :studentId AND subject_id = :subjectId")
     fun loadAll(diaryId: Int, studentId: Int, subjectId: Int): Maybe<List<AttendanceSummary>>

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

@@ -0,0 +1,17 @@
+package io.github.wulkanowy.data.db.dao
+
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Update
+
+interface BaseDao<T> {
+
+    @Insert
+    fun insertAll(items: List<T>): List<Long>
+
+    @Update
+    fun updateAll(items: List<T>)
+
+    @Delete
+    fun deleteAll(items: List<T>)
+}

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 import io.reactivex.Maybe
@@ -11,13 +9,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface CompletedLessonsDao {
-
-    @Insert
-    fun insertAll(exams: List<CompletedLesson>)
-
-    @Delete
-    fun deleteAll(exams: List<CompletedLesson>)
+interface CompletedLessonsDao : BaseDao<CompletedLesson> {
 
     @Query("SELECT * FROM CompletedLesson WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
     fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<CompletedLesson>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Exam
 import io.reactivex.Maybe
@@ -11,13 +9,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface ExamDao {
-
-    @Insert
-    fun insertAll(exams: List<Exam>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Exam>)
+interface ExamDao : BaseDao<Exam> {
 
     @Query("SELECT * FROM Exams WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
     fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Exam>>

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

@@ -1,26 +1,14 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Grade
 import io.reactivex.Maybe
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradeDao {
-
-    @Insert
-    fun insertAll(grades: List<Grade>)
-
-    @Update
-    fun updateAll(grade: List<Grade>)
-
-    @Delete
-    fun deleteAll(grades: List<Grade>)
+interface GradeDao : BaseDao<Grade> {
 
     @Query("SELECT * FROM Grades WHERE semester_id = :semesterId AND student_id = :studentId")
     fun loadAll(semesterId: Int, studentId: Int): Maybe<List<Grade>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.GradePointsStatistics
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradePointsStatisticsDao {
-
-    @Insert
-    fun insertAll(gradesStatistics: List<GradePointsStatistics>)
-
-    @Delete
-    fun deleteAll(gradesStatistics: List<GradePointsStatistics>)
+interface GradePointsStatisticsDao : BaseDao<GradePointsStatistics> {
 
     @Query("SELECT * FROM GradesPointsStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND subject = :subjectName")
     fun loadSubject(semesterId: Int, studentId: Int, subjectName: String): Maybe<GradePointsStatistics>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.GradeStatistics
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradeStatisticsDao {
-
-    @Insert
-    fun insertAll(gradesStatistics: List<GradeStatistics>)
-
-    @Delete
-    fun deleteAll(gradesStatistics: List<GradeStatistics>)
+interface GradeStatisticsDao : BaseDao<GradeStatistics> {
 
     @Query("SELECT * FROM GradesStatistics WHERE student_id = :studentId AND semester_id = :semesterId AND subject = :subjectName AND is_semester = :isSemester")
     fun loadSubject(semesterId: Int, studentId: Int, subjectName: String, isSemester: Boolean): Maybe<List<GradeStatistics>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.GradeSummary
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface GradeSummaryDao {
-
-    @Insert
-    fun insertAll(gradesSummary: List<GradeSummary>)
-
-    @Delete
-    fun deleteAll(gradesSummary: List<GradeSummary>)
+interface GradeSummaryDao : BaseDao<GradeSummary> {
 
     @Query("SELECT * FROM GradesSummary WHERE student_id = :studentId AND semester_id = :semesterId")
     fun loadAll(semesterId: Int, studentId: Int): Maybe<List<GradeSummary>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Homework
 import io.reactivex.Maybe
@@ -11,13 +9,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface HomeworkDao {
-
-    @Insert
-    fun insertAll(homework: List<Homework>)
-
-    @Delete
-    fun deleteAll(homework: List<Homework>)
+interface HomeworkDao : BaseDao<Homework> {
 
     @Query("SELECT * FROM Homework WHERE semester_id = :semesterId AND student_id = :studentId AND date >= :from AND date <= :end")
     fun loadAll(semesterId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Homework>>

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

@@ -1,10 +1,7 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.reactivex.Maybe
 import org.threeten.bp.LocalDate
@@ -12,18 +9,8 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface LuckyNumberDao {
-
-    @Insert
-    fun insert(luckyNumber: LuckyNumber)
-
-    @Update
-    fun update(luckyNumber: LuckyNumber)
-
-    @Delete
-    fun delete(luckyNumber: LuckyNumber)
+interface LuckyNumberDao : BaseDao<LuckyNumber> {
 
     @Query("SELECT * FROM LuckyNumbers WHERE student_id = :studentId AND date = :date")
     fun load(studentId: Int, date: LocalDate): Maybe<LuckyNumber>
-
 }

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

@@ -1,24 +1,12 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Message
 import io.reactivex.Maybe
 
 @Dao
-interface MessagesDao {
-
-    @Insert
-    fun insertAll(messages: List<Message>)
-
-    @Delete
-    fun deleteAll(messages: List<Message>)
-
-    @Update
-    fun updateAll(messages: List<Message>)
+interface MessagesDao : BaseDao<Message> {
 
     @Query("SELECT * FROM Messages WHERE student_id = :studentId AND folder_id = :folder AND removed = 0 ORDER BY date DESC")
     fun loadAll(studentId: Int, folder: Int): Maybe<List<Message>>

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

@@ -1,20 +1,12 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.reactivex.Maybe
 
 @Dao
-interface MobileDeviceDao {
-
-    @Insert
-    fun insertAll(devices: List<MobileDevice>)
-
-    @Delete
-    fun deleteAll(devices: List<MobileDevice>)
+interface MobileDeviceDao : BaseDao<MobileDevice> {
 
     @Query("SELECT * FROM MobileDevices WHERE student_id = :studentId ORDER BY date DESC")
     fun loadAll(studentId: Int): Maybe<List<MobileDevice>>

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

@@ -1,28 +1,15 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
-import androidx.room.Update
 import io.github.wulkanowy.data.db.entities.Note
 import io.reactivex.Maybe
 import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface NoteDao {
-
-    @Insert
-    fun insertAll(notes: List<Note>)
-
-    @Update
-    fun updateAll(notes: List<Note>)
-
-    @Delete
-    fun deleteAll(notes: List<Note>)
+interface NoteDao : BaseDao<Note> {
 
     @Query("SELECT * FROM Notes WHERE student_id = :studentId")
     fun loadAll(studentId: Int): Maybe<List<Note>>
-
 }

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Recipient
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface RecipientDao {
-
-    @Insert
-    fun insertAll(messages: List<Recipient>)
-
-    @Delete
-    fun deleteAll(messages: List<Recipient>)
+interface RecipientDao : BaseDao<Recipient> {
 
     @Query("SELECT * FROM Recipients WHERE student_id = :studentId AND role = :role AND unit_id = :unitId")
     fun load(studentId: Int, role: Int, unitId: Int): Maybe<List<Recipient>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.ReportingUnit
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface ReportingUnitDao {
-
-    @Insert
-    fun insertAll(reportingUnits: List<ReportingUnit>)
-
-    @Delete
-    fun deleteAll(reportingUnits: List<ReportingUnit>)
+interface ReportingUnitDao : BaseDao<ReportingUnit> {
 
     @Query("SELECT * FROM ReportingUnits WHERE student_id = :studentId")
     fun load(studentId: Int): Maybe<List<ReportingUnit>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.School
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface SchoolDao {
-
-    @Insert
-    fun insert(school: School)
-
-    @Delete
-    fun delete(school: School)
+interface SchoolDao : BaseDao<School> {
 
     @Query("SELECT * FROM School WHERE student_id = :studentId AND class_id = :classId")
     fun load(studentId: Int, classId: Int): Maybe<School>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Semester
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface SemesterDao {
-
-    @Insert
-    fun insertAll(semester: List<Semester>)
-
-    @Delete
-    fun deleteAll(semester: List<Semester>)
+interface SemesterDao : BaseDao<Semester> {
 
     @Query("SELECT * FROM Semesters WHERE student_id = :studentId AND class_id = :classId")
     fun loadAll(studentId: Int, classId: Int): Maybe<List<Semester>>

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

@@ -1,20 +1,12 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Subject
 import io.reactivex.Maybe
 
 @Dao
-interface SubjectDao {
-
-    @Insert
-    fun insertAll(subjects: List<Subject>): List<Long>
-
-    @Delete
-    fun deleteAll(subjects: List<Subject>)
+interface SubjectDao : BaseDao<Subject> {
 
     @Query("SELECT * FROM Subjects WHERE diary_id = :diaryId AND student_id = :studentId")
     fun loadAll(diaryId: Int, studentId: Int): Maybe<List<Subject>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Teacher
 import io.reactivex.Maybe
@@ -10,13 +8,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface TeacherDao {
-
-    @Insert
-    fun insertAll(teachers: List<Teacher>)
-
-    @Delete
-    fun deleteAll(teachers: List<Teacher>)
+interface TeacherDao : BaseDao<Teacher> {
 
     @Query("SELECT * FROM Teachers WHERE student_id = :studentId AND class_id = :classId")
     fun loadAll(studentId: Int, classId: Int): Maybe<List<Teacher>>

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

@@ -1,8 +1,6 @@
 package io.github.wulkanowy.data.db.dao
 
 import androidx.room.Dao
-import androidx.room.Delete
-import androidx.room.Insert
 import androidx.room.Query
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.reactivex.Maybe
@@ -11,13 +9,7 @@ import javax.inject.Singleton
 
 @Singleton
 @Dao
-interface TimetableDao {
-
-    @Insert
-    fun insertAll(exams: List<Timetable>): List<Long>
-
-    @Delete
-    fun deleteAll(exams: List<Timetable>)
+interface TimetableDao : BaseDao<Timetable> {
 
     @Query("SELECT * FROM Timetable WHERE diary_id = :diaryId AND student_id = :studentId AND date >= :from AND date <= :end")
     fun loadAll(diaryId: Int, studentId: Int, from: LocalDate, end: LocalDate): Maybe<List<Timetable>>

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

@@ -19,7 +19,7 @@ data class Grade(
 
     val entry: String,
 
-    val value: Int,
+    val value: Double,
 
     val modifier: Double,
 

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

@@ -29,6 +29,8 @@ data class Message(
 
     val subject: String,
 
+    var content: String,
+
     val date: LocalDateTime,
 
     @ColumnInfo(name = "folder_id")
@@ -50,6 +52,4 @@ data class Message(
 
     @ColumnInfo(name = "is_notified")
     var isNotified: Boolean = true
-
-    var content: String? = null
 }

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

@@ -10,10 +10,27 @@ import java.io.Serializable
 @Entity(tableName = "Students", indices = [Index(value = ["email", "symbol", "student_id", "school_id", "class_id"], unique = true)])
 data class Student(
 
-    val endpoint: String,
+    @ColumnInfo(name = "scrapper_base_url")
+    val scrapperBaseUrl: String,
 
+    @ColumnInfo(name = "mobile_base_url")
+    val mobileBaseUrl: String,
+
+    @ColumnInfo(name = "login_type")
     val loginType: String,
 
+    @ColumnInfo(name = "login_mode")
+    val loginMode: String,
+
+    @ColumnInfo(name = "certificate_key")
+    val certificateKey: String,
+
+    @ColumnInfo(name = "private_key")
+    val privateKey: String,
+
+    @ColumnInfo(name = "is_parent")
+    val isParent: Boolean,
+
     val email: String,
 
     var password: String,
@@ -23,6 +40,9 @@ data class Student(
     @ColumnInfo(name = "student_id")
     val studentId: Int,
 
+    @ColumnInfo(name = "user_login_id")
+    val userLoginId: Int,
+
     @ColumnInfo(name = "student_name")
     val studentName: String,
 

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

@@ -0,0 +1,119 @@
+package io.github.wulkanowy.data.db.migrations
+
+import androidx.room.migration.Migration
+import androidx.sqlite.db.SupportSQLiteDatabase
+import io.github.wulkanowy.data.db.SharedPrefProvider
+
+class Migration19(private val sharedPrefProvider: SharedPrefProvider) : Migration(18, 19) {
+
+    override fun migrate(database: SupportSQLiteDatabase) {
+        migrateMessages(database)
+        migrateGrades(database)
+        migrateStudents(database)
+        migrateSharedPreferences()
+    }
+
+    private fun migrateMessages(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE Messages")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Messages (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                is_notified INTEGER NOT NULL,
+                student_id INTEGER NOT NULL,
+                real_id INTEGER NOT NULL,
+                message_id INTEGER NOT NULL,
+                sender_name TEXT NOT NULL,
+                sender_id INTEGER NOT NULL,
+                recipient_name TEXT NOT NULL,
+                subject TEXT NOT NULL,
+                content TEXT NOT NULL,
+                date INTEGER NOT NULL,
+                folder_id INTEGER NOT NULL,
+                unread INTEGER NOT NULL,
+                unread_by INTEGER NOT NULL,
+                read_by INTEGER NOT NULL,
+                removed INTEGER NOT NULL
+            )
+        """)
+    }
+
+    private fun migrateGrades(database: SupportSQLiteDatabase) {
+        database.execSQL("DROP TABLE Grades")
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Grades (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                is_read INTEGER NOT NULL,
+                is_notified INTEGER NOT NULL,
+                semester_id INTEGER NOT NULL,
+                student_id INTEGER NOT NULL,
+                subject TEXT NOT NULL,
+                entry TEXT NOT NULL,
+                value REAL NOT NULL,
+                modifier REAL NOT NULL,
+                comment TEXT NOT NULL,
+                color TEXT NOT NULL,
+                grade_symbol TEXT NOT NULL,
+                description TEXT NOT NULL,
+                weight TEXT NOT NULL,
+                weightValue REAL NOT NULL,
+                date INTEGER NOT NULL,
+                teacher TEXT NOT NULL
+            )
+        """)
+    }
+
+    private fun migrateStudents(database: SupportSQLiteDatabase) {
+        database.execSQL("""
+            CREATE TABLE IF NOT EXISTS Students_tmp (
+                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                scrapper_base_url TEXT NOT NULL,
+                mobile_base_url TEXT NOT NULL,
+                is_parent INTEGER NOT NULL,
+                login_type TEXT NOT NULL,
+                login_mode TEXT NOT NULL,
+                certificate_key TEXT NOT NULL,
+                private_key TEXT NOT NULL,
+                email TEXT NOT NULL,
+                password TEXT NOT NULL,
+                symbol TEXT NOT NULL,
+                student_id INTEGER NOT NULL,
+                user_login_id INTEGER NOT NULL,
+                student_name TEXT NOT NULL,
+                school_id TEXT NOT NULL,
+                school_name TEXT NOT NULL,
+                class_name TEXT NOT NULL,
+                class_id INTEGER NOT NULL,
+                is_current INTEGER NOT NULL,
+                registration_date INTEGER NOT NULL
+            )
+        """)
+
+        database.execSQL("ALTER TABLE Students ADD COLUMN scrapperBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN apiBaseUrl TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN is_parent INT NOT NULL DEFAULT 0;")
+        database.execSQL("ALTER TABLE Students ADD COLUMN loginMode TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN certificateKey TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN privateKey TEXT NOT NULL DEFAULT \"\";")
+        database.execSQL("ALTER TABLE Students ADD COLUMN user_login_id INTEGER NOT NULL DEFAULT 0;")
+
+        database.execSQL("""
+            INSERT INTO Students_tmp(
+            id, scrapper_base_url, mobile_base_url, is_parent, login_type, login_mode, certificate_key, private_key, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date)
+            SELECT
+            id, endpoint, apiBaseUrl, is_parent, loginType, "SCRAPPER", certificateKey, privateKey, email, password, symbol, student_id, user_login_id, student_name, school_id, school_name, school_id, school_name, class_name, class_id, is_current, registration_date
+            FROM Students
+        """)
+        database.execSQL("DROP TABLE Students")
+        database.execSQL("ALTER TABLE Students_tmp RENAME TO Students")
+        database.execSQL("CREATE UNIQUE INDEX index_Students_email_symbol_student_id_school_id_class_id ON Students (email, symbol, student_id, school_id, class_id)")
+    }
+
+    private fun migrateSharedPreferences() {
+        if (sharedPrefProvider.getString("grade_modifier_plus", "0.0") == "0.0") {
+            sharedPrefProvider.putString("grade_modifier_plus", "0.33")
+        }
+        if (sharedPrefProvider.getString("grade_modifier_minus", "0.0") == "0.0") {
+            sharedPrefProvider.putString("grade_modifier_minus", "0.33")
+        }
+    }
+}

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

@@ -1,25 +1,24 @@
 package io.github.wulkanowy.data.repositories.attendance
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class AttendanceRemote @Inject constructor(private val api: Api) {
+class AttendanceRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getAttendance(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Attendance>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getAttendance(startDate, endDate) }.map { attendance ->
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getAttendance(startDate, endDate, semester.semesterId)
+            .map { attendance ->
                 attendance.map {
                     Attendance(
                         studentId = semester.studentId,
                         diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
+                        date = it.date,
                         number = it.number,
                         subject = it.subject,
                         name = it.name,

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

@@ -1,18 +1,18 @@
 package io.github.wulkanowy.data.repositories.attendancesummary
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.AttendanceSummary
 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 AttendanceSummaryRemote @Inject constructor(private val api: Api) {
+class AttendanceSummaryRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getAttendanceSummary(semester: Semester, subjectId: Int): Single<List<AttendanceSummary>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getAttendanceSummary(subjectId) }.map { attendance ->
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getAttendanceSummary(subjectId)
+            .map { attendance ->
                 attendance.map {
                     AttendanceSummary(
                         studentId = semester.studentId,

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

@@ -1,27 +1,25 @@
 package io.github.wulkanowy.data.repositories.completedlessons
 
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.toLocalDate
 import io.github.wulkanowy.data.db.entities.CompletedLesson
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class CompletedLessonsRemote @Inject constructor(private val api: Api) {
+class CompletedLessonsRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getCompletedLessons(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<CompletedLesson>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getCompletedLessons(startDate, endDate) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getCompletedLessons(startDate, endDate)
             .map { lessons ->
                 lessons.map {
                     it.absence
                     CompletedLesson(
                         studentId = semester.studentId,
                         diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
+                        date = it.date,
                         number = it.number,
                         subject = it.subject,
                         topic = it.topic,

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

@@ -1,26 +1,25 @@
 package io.github.wulkanowy.data.repositories.exam
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Exam
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class ExamRemote @Inject constructor(private val api: Api) {
+class ExamRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getExams(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Exam>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getExams(startDate, endDate) }.map { exams ->
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getExams(startDate, endDate, semester.semesterId)
+            .map { exams ->
                 exams.map {
                     Exam(
                         studentId = semester.studentId,
                         diaryId = semester.diaryId,
-                        date = it.date.toLocalDate(),
-                        entryDate = it.entryDate.toLocalDate(),
+                        date = it.date,
+                        entryDate = it.entryDate,
                         subject = it.subject,
                         group = it.group,
                         type = it.type,

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

@@ -1,35 +1,33 @@
 package io.github.wulkanowy.data.repositories.grade
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Grade
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class GradeRemote @Inject constructor(private val api: Api) {
+class GradeRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getGrades(semester: Semester): Single<List<Grade>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGrades(semester.semesterId) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGrades(semester.semesterId)
             .map { grades ->
                 grades.map {
                     Grade(
-                        semesterId = semester.semesterId,
                         studentId = semester.studentId,
+                        semesterId = semester.semesterId,
                         subject = it.subject,
                         entry = it.entry,
                         value = it.value,
                         modifier = it.modifier,
                         comment = it.comment,
                         color = it.color,
-                        gradeSymbol = it.symbol.orEmpty(),
-                        description = it.description.orEmpty(),
+                        gradeSymbol = it.symbol,
+                        description = it.description,
                         weight = it.weight,
                         weightValue = it.weightValue,
-                        date = it.date.toLocalDate(),
+                        date = it.date,
                         teacher = it.teacher
                     )
                 }

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

@@ -1,24 +1,23 @@
 package io.github.wulkanowy.data.repositories.gradessummary
 
-import io.github.wulkanowy.api.Api
 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 api: Api) {
+class GradeSummaryRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getGradeSummary(semester: Semester): Single<List<GradeSummary>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGradesSummary(semester.semesterId) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGradesSummary(semester.semesterId)
             .map { gradesSummary ->
                 gradesSummary.map {
                     GradeSummary(
                         semesterId = semester.semesterId,
                         studentId = semester.studentId,
-                        position = it.order,
+                        position = 0,
                         subject = it.name,
                         predictedGrade = it.predicted,
                         finalGrade = it.final,

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

@@ -1,39 +1,36 @@
 package io.github.wulkanowy.data.repositories.gradestatistics
 
-import io.github.wulkanowy.api.Api
 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.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class GradeStatisticsRemote @Inject constructor(private val api: Api) {
+class GradeStatisticsRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getGradeStatistics(semester: Semester, isSemester: Boolean): Single<List<GradeStatistics>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap {
-                if (isSemester) it.getGradesAnnualStatistics(semester.semesterId)
-                else it.getGradesPartialStatistics(semester.semesterId)
-            }
-            .map { gradeStatistics ->
-                gradeStatistics.map {
-                    GradeStatistics(
-                        semesterId = semester.semesterId,
-                        studentId = semester.studentId,
-                        subject = it.subject,
-                        grade = it.gradeValue,
-                        amount = it.amount ?: 0,
-                        semester = isSemester
-                    )
-                }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).let {
+            if (isSemester) it.getGradesAnnualStatistics(semester.semesterId)
+            else it.getGradesPartialStatistics(semester.semesterId)
+        }.map { gradeStatistics ->
+            gradeStatistics.map {
+                GradeStatistics(
+                    semesterId = semester.semesterId,
+                    studentId = semester.studentId,
+                    subject = it.subject,
+                    grade = it.gradeValue,
+                    amount = it.amount,
+                    semester = isSemester
+                )
             }
+        }
     }
 
     fun getGradePointsStatistics(semester: Semester): Single<List<GradePointsStatistics>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getGradesPointsStatistics(semester.semesterId) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getGradesPointsStatistics(semester.semesterId)
             .map { gradePointsStatistics ->
                 gradePointsStatistics.map {
                     GradePointsStatistics(

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

@@ -1,27 +1,25 @@
 package io.github.wulkanowy.data.repositories.homework
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Homework
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class HomeworkRemote @Inject constructor(private val api: Api) {
+class HomeworkRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getHomework(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Homework>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getHomework(startDate, endDate) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getHomework(startDate, endDate)
             .map { homework ->
                 homework.map {
                     Homework(
                         semesterId = semester.semesterId,
                         studentId = semester.studentId,
-                        date = it.date.toLocalDate(),
-                        entryDate = it.entryDate.toLocalDate(),
+                        date = it.date,
+                        entryDate = it.entryDate,
                         subject = it.subject,
                         content = it.content,
                         teacher = it.teacher,

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

@@ -12,15 +12,15 @@ import javax.inject.Singleton
 class LuckyNumberLocal @Inject constructor(private val luckyNumberDb: LuckyNumberDao) {
 
     fun saveLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.insert(luckyNumber)
+        luckyNumberDb.insertAll(listOf(luckyNumber))
     }
 
     fun updateLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.update(luckyNumber)
+        luckyNumberDb.updateAll(listOf(luckyNumber))
     }
 
     fun deleteLuckyNumber(luckyNumber: LuckyNumber) {
-        luckyNumberDb.delete(luckyNumber)
+        luckyNumberDb.deleteAll(listOf(luckyNumber))
     }
 
     fun getLuckyNumber(semester: Semester, date: LocalDate): Maybe<LuckyNumber> {

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

@@ -1,20 +1,18 @@
 package io.github.wulkanowy.data.repositories.luckynumber
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Maybe
-import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class LuckyNumberRemote @Inject constructor(private val api: Api) {
+class LuckyNumberRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getLuckyNumber(semester: Semester): Maybe<LuckyNumber> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMapMaybe { it.getLuckyNumber() }
+        return sdk.getLuckyNumber()
             .map {
                 LuckyNumber(
                     studentId = semester.studentId,

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

@@ -1,24 +1,23 @@
 package io.github.wulkanowy.data.repositories.message
 
-import io.github.wulkanowy.api.Api
-import io.github.wulkanowy.api.messages.Folder
-import io.github.wulkanowy.api.messages.SentMessage
 import io.github.wulkanowy.data.db.entities.Message
 import io.github.wulkanowy.data.db.entities.Recipient
+import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.github.wulkanowy.utils.toLocalDateTime
+import io.github.wulkanowy.sdk.Sdk
+import io.github.wulkanowy.sdk.pojo.Folder
+import io.github.wulkanowy.sdk.pojo.SentMessage
 import io.reactivex.Single
 import org.threeten.bp.LocalDateTime.now
 import javax.inject.Inject
 import javax.inject.Singleton
-import io.github.wulkanowy.api.messages.Message as ApiMessage
-import io.github.wulkanowy.api.messages.Recipient as ApiRecipient
+import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
 
 @Singleton
-class MessageRemote @Inject constructor(private val api: Api) {
+class MessageRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getMessages(student: Student, folder: MessageFolder): Single<List<Message>> {
-        return api.getMessages(Folder.valueOf(folder.name)).map { messages ->
+    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 ->
             messages.map {
                 Message(
                     studentId = student.id.toInt(),
@@ -28,7 +27,8 @@ class MessageRemote @Inject constructor(private val api: Api) {
                     senderId = it.senderId ?: 0,
                     recipient = it.recipient.orEmpty(),
                     subject = it.subject.trim(),
-                    date = it.date?.toLocalDateTime() ?: now(),
+                    date = it.date ?: now(),
+                    content = it.content.orEmpty(),
                     folderId = it.folderId,
                     unread = it.unread ?: false,
                     unreadBy = it.unreadBy ?: 0,
@@ -40,27 +40,28 @@ class MessageRemote @Inject constructor(private val api: Api) {
     }
 
     fun getMessagesContent(message: Message, markAsRead: Boolean = false): Single<String> {
-        return api.getMessageContent(message.messageId, message.folderId, markAsRead, message.realId)
+        return sdk.getMessageContent(message.messageId, message.folderId, markAsRead, message.realId)
     }
 
     fun sendMessage(subject: String, content: String, recipients: List<Recipient>): Single<SentMessage> {
-        return api.sendMessage(
+        return sdk.sendMessage(
             subject = subject,
             content = content,
             recipients = recipients.map {
-                ApiRecipient(
+                SdkRecipient(
                     id = it.realId,
                     name = it.realName,
                     loginId = it.loginId,
                     reportingUnitId = it.unitId,
                     role = it.role,
-                    hash = it.hash
+                    hash = it.hash,
+                    shortName = it.name
                 )
             }
         )
     }
 
     fun deleteMessage(message: Message): Single<Boolean> {
-        return api.deleteMessages(listOf(Pair(message.realId, message.folderId)))
+        return sdk.deleteMessages(listOf(Pair(message.realId, message.folderId)))
     }
 }

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

@@ -2,12 +2,13 @@ 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.api.messages.SentMessage
-import io.github.wulkanowy.data.ApiHelper
+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.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.message.MessageFolder.RECEIVED
+import io.github.wulkanowy.sdk.pojo.SentMessage
 import io.github.wulkanowy.utils.uniqueSubtract
 import io.reactivex.Completable
 import io.reactivex.Maybe
@@ -21,16 +22,16 @@ class MessageRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: MessageLocal,
     private val remote: MessageRemote,
-    private val apiHelper: ApiHelper
+    private val sdkHelper: SdkHelper
 ) {
 
-    fun getMessages(student: Student, folder: MessageFolder, forceRefresh: Boolean = false, notify: Boolean = false): Single<List<Message>> {
-        return Single.just(apiHelper.initApi(student))
+    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, folder)
+                            if (it) remote.getMessages(student, semester, folder)
                             else Single.error(UnknownHostException())
                         }.flatMap { new ->
                             local.getMessages(student, folder).toSingle(emptyList())
@@ -47,10 +48,10 @@ class MessageRepository @Inject constructor(
     }
 
     fun getMessage(student: Student, messageDbId: Long, markAsRead: Boolean = false): Single<Message> {
-        return Single.just(apiHelper.initApi(student))
+        return Single.just(sdkHelper.init(student))
             .flatMap { _ ->
                 local.getMessage(messageDbId)
-                    .filter { !it.content.isNullOrEmpty() }
+                    .filter { it.content.isNotEmpty() }
                     .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                         .flatMap {
                             if (it) local.getMessage(messageDbId).toSingle()
@@ -60,7 +61,7 @@ class MessageRepository @Inject constructor(
                             remote.getMessagesContent(dbMessage, markAsRead).doOnSuccess {
                                 local.updateMessages(listOf(dbMessage.copy(unread = false).apply {
                                     id = dbMessage.id
-                                    content = it
+                                    content = content.ifBlank { it }
                                 }))
                             }
                         }.flatMap {

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

@@ -3,7 +3,6 @@ package io.github.wulkanowy.data.repositories.mobiledevice
 import io.github.wulkanowy.data.db.dao.MobileDeviceDao
 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.reactivex.Maybe
 import javax.inject.Inject
 import javax.inject.Singleton

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

@@ -1,25 +1,23 @@
 package io.github.wulkanowy.data.repositories.mobiledevice
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.MobileDevice
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.pojos.MobileDeviceToken
-import io.github.wulkanowy.utils.toLocalDateTime
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class MobileDeviceRemote @Inject constructor(private val api: Api) {
+class MobileDeviceRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getDevices(semester: Semester): Single<List<MobileDevice>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getRegisteredDevices() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getRegisteredDevices()
             .map { devices ->
                 devices.map {
                     MobileDevice(
                         studentId = semester.studentId,
-                        date = it.date.toLocalDateTime(),
+                        date = it.date,
                         deviceId = it.id,
                         name = it.name
                     )
@@ -28,13 +26,11 @@ class MobileDeviceRemote @Inject constructor(private val api: Api) {
     }
 
     fun unregisterDevice(semester: Semester, device: MobileDevice): Single<Boolean> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.unregisterDevice(device.deviceId) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).unregisterDevice(device.deviceId)
     }
 
     fun getToken(semester: Semester): Single<MobileDeviceToken> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getToken() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getToken()
             .map {
                 MobileDeviceToken(
                     token = it.token,

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

@@ -1,24 +1,22 @@
 package io.github.wulkanowy.data.repositories.note
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Note
 import io.github.wulkanowy.data.db.entities.Semester
-import io.github.wulkanowy.utils.toLocalDate
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class NoteRemote @Inject constructor(private val api: Api) {
+class NoteRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getNotes(semester: Semester): Single<List<Note>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getNotes() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getNotes(semester.semesterId)
             .map { notes ->
                 notes.map {
                     Note(
                         studentId = semester.studentId,
-                        date = it.date.toLocalDate(),
+                        date = it.date,
                         teacher = it.teacher,
                         category = it.category,
                         content = it.content

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

@@ -33,6 +33,10 @@ class PreferencesRepository @Inject constructor(
     val gradeColorTheme: String
         get() = getString(R.string.pref_key_grade_color_scheme, R.string.pref_default_grade_color_scheme)
 
+    val appLanguageKey = context.getString(R.string.pref_key_app_language)
+    val appLanguage
+        get() = getString(appLanguageKey, R.string.pref_default_app_language)
+
     val serviceEnableKey = context.getString(R.string.pref_key_services_enable)
     val isServiceEnabled: Boolean
         get() = getBoolean(serviceEnableKey, R.bool.pref_default_services_enable)

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

@@ -15,7 +15,7 @@ class RecipientLocal @Inject constructor(private val recipientDb: RecipientDao)
         return recipientDb.load(student.studentId, role, unit.realId).filter { !it.isEmpty() }
     }
 
-    fun saveRecipients(recipients: List<Recipient>) {
+    fun saveRecipients(recipients: List<Recipient>): List<Long> {
         return recipientDb.insertAll(recipients)
     }
 

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

@@ -1,34 +1,34 @@
 package io.github.wulkanowy.data.repositories.recipient
 
-import io.github.wulkanowy.api.Api
 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.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
-import io.github.wulkanowy.api.messages.Recipient as ApiRecipient
+import io.github.wulkanowy.sdk.pojo.Recipient as SdkRecipient
 
 @Singleton
-class RecipientRemote @Inject constructor(private val api: Api) {
+class RecipientRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getRecipients(role: Int, unit: ReportingUnit): Single<List<Recipient>> {
-        return api.getRecipients(unit.realId, role)
+        return sdk.getRecipients(unit.realId, role)
             .map { recipients ->
                 recipients.map { it.toRecipient() }
             }
     }
 
     fun getMessageRecipients(message: Message): Single<List<Recipient>> {
-        return api.getMessageRecipients(message.messageId, message.senderId)
+        return sdk.getMessageRecipients(message.messageId, message.senderId)
             .map { recipients ->
                 recipients.map { it.toRecipient() }
             }
     }
 
-    private fun ApiRecipient.toRecipient(): Recipient {
+    private fun SdkRecipient.toRecipient(): Recipient {
         return Recipient(
-            studentId = api.studentId,
+            studentId = sdk.studentId,
             realId = id,
             realName = name,
             name = shortName,

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

@@ -2,7 +2,7 @@ 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.ApiHelper
+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
@@ -18,11 +18,11 @@ class RecipientRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: RecipientLocal,
     private val remote: RecipientRemote,
-    private val apiHelper: ApiHelper
+    private val sdkHelper: SdkHelper
 ) {
 
     fun getRecipients(student: Student, role: Int, unit: ReportingUnit, forceRefresh: Boolean = false): Single<List<Recipient>> {
-        return Single.just(apiHelper.initApi(student))
+        return Single.just(sdkHelper.init(student))
             .flatMap { _ ->
                 local.getRecipients(student, role, unit).filter { !forceRefresh }
                     .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
@@ -43,7 +43,7 @@ class RecipientRepository @Inject constructor(
     }
 
     fun getMessageRecipients(student: Student, message: Message): Single<List<Recipient>> {
-        return Single.just(apiHelper.initApi(student))
+        return Single.just(sdkHelper.init(student))
             .flatMap { ReactiveNetwork.checkInternetConnectivity(settings) }
             .flatMap {
                 if (it) remote.getMessageRecipients(message)

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

@@ -18,7 +18,7 @@ class ReportingUnitLocal @Inject constructor(private val reportingUnitDb: Report
         return reportingUnitDb.loadOne(student.studentId, unitId)
     }
 
-    fun saveReportingUnits(reportingUnits: List<ReportingUnit>) {
+    fun saveReportingUnits(reportingUnits: List<ReportingUnit>): List<Long> {
         return reportingUnitDb.insertAll(reportingUnits)
     }
 

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

@@ -1,19 +1,19 @@
 package io.github.wulkanowy.data.repositories.reportingunit
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.ReportingUnit
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class ReportingUnitRemote @Inject constructor(private val api: Api) {
+class ReportingUnitRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getReportingUnits(): Single<List<ReportingUnit>> {
-        return api.getReportingUnits().map {
+        return sdk.getReportingUnits().map {
             it.map { unit ->
                 ReportingUnit(
-                    studentId = api.studentId,
+                    studentId = sdk.studentId,
                     realId = unit.id,
                     roles = unit.roles,
                     senderId = unit.senderId,

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

@@ -2,7 +2,7 @@ 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.ApiHelper
+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
@@ -17,11 +17,11 @@ class ReportingUnitRepository @Inject constructor(
     private val settings: InternetObservingSettings,
     private val local: ReportingUnitLocal,
     private val remote: ReportingUnitRemote,
-    private val apiHelper: ApiHelper
+    private val sdkHelper: SdkHelper
 ) {
 
     fun getReportingUnits(student: Student, forceRefresh: Boolean = false): Single<List<ReportingUnit>> {
-        return Single.just(apiHelper.initApi(student))
+        return Single.just(sdkHelper.init(student))
             .flatMap { _ ->
                 local.getReportingUnits(student).filter { !forceRefresh }
                     .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
@@ -40,7 +40,7 @@ class ReportingUnitRepository @Inject constructor(
     }
 
     fun getReportingUnit(student: Student, unitId: Int): Maybe<ReportingUnit> {
-        return Maybe.just(apiHelper.initApi(student))
+        return Maybe.just(sdkHelper.init(student))
             .flatMap { _ ->
                 local.getReportingUnit(student, unitId)
                     .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)

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

@@ -9,11 +9,11 @@ import javax.inject.Inject
 class SchoolLocal @Inject constructor(private val schoolDb: SchoolDao) {
 
     fun saveSchool(school: School) {
-        schoolDb.insert(school)
+        schoolDb.insertAll(listOf(school))
     }
 
     fun deleteSchool(school: School) {
-        schoolDb.delete(school)
+        schoolDb.deleteAll(listOf(school))
     }
 
     fun getSchool(semester: Semester): Maybe<School> {

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

@@ -1,16 +1,15 @@
 package io.github.wulkanowy.data.repositories.school
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.School
 import io.github.wulkanowy.data.db.entities.Semester
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 
-class SchoolRemote @Inject constructor(private val api: Api) {
+class SchoolRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getSchoolInfo(semester: Semester): Single<School> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getSchool() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getSchool()
             .map {
                 School(
                     studentId = semester.studentId,

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

@@ -1,35 +1,32 @@
 package io.github.wulkanowy.data.repositories.semester
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class SemesterRemote @Inject constructor(private val api: Api) {
+class SemesterRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getSemesters(student: Student): Single<List<Semester>> {
-        return api.getSemesters().map { semesters ->
-            semesters.map { semester ->
+        return sdk.getSemesters().map { semesters ->
+            semesters.map {
                 Semester(
                     studentId = student.studentId,
-                    diaryId = semester.diaryId,
-                    diaryName = semester.diaryName,
-                    schoolYear = semester.schoolYear,
-                    semesterId = semester.semesterId,
-                    semesterName = semester.semesterNumber,
-                    isCurrent = semester.current,
-                    start = semester.start,
-                    end = semester.end,
-                    classId = semester.classId,
-                    unitId = semester.unitId
+                    diaryId = it.diaryId,
+                    diaryName = it.diaryName,
+                    schoolYear = it.schoolYear,
+                    semesterId = it.semesterId,
+                    semesterName = it.semesterNumber,
+                    isCurrent = it.current,
+                    start = it.start,
+                    end = it.end,
+                    classId = it.classId,
+                    unitId = it.unitId
                 )
             }
-
         }
     }
 }
-
-

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

@@ -2,7 +2,7 @@ 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.ApiHelper
+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.utils.uniqueSubtract
@@ -18,11 +18,11 @@ class SemesterRepository @Inject constructor(
     private val remote: SemesterRemote,
     private val local: SemesterLocal,
     private val settings: InternetObservingSettings,
-    private val apiHelper: ApiHelper
+    private val sdkHelper: SdkHelper
 ) {
 
     fun getSemesters(student: Student, forceRefresh: Boolean = false): Single<List<Semester>> {
-        return Maybe.just(apiHelper.initApi(student))
+        return Maybe.just(sdkHelper.init(student))
             .flatMap { local.getSemesters(student).filter { !forceRefresh } }
             .switchIfEmpty(ReactiveNetwork.checkInternetConnectivity(settings)
                 .flatMap {

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

@@ -3,6 +3,7 @@ package io.github.wulkanowy.data.repositories.student
 import android.content.Context
 import io.github.wulkanowy.data.db.dao.StudentDao
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.utils.security.decrypt
 import io.github.wulkanowy.utils.security.encrypt
 import io.reactivex.Completable
@@ -18,17 +19,26 @@ class StudentLocal @Inject constructor(
 ) {
 
     fun saveStudents(students: List<Student>): Single<List<Long>> {
-        return Single.fromCallable { studentDb.insertAll(students.map { it.copy(password = encrypt(it.password, context)) }) }
+        return Single.fromCallable {
+            studentDb.insertAll(students.map {
+                if (Sdk.Mode.valueOf(it.loginMode) != Sdk.Mode.API) it.copy(password = encrypt(it.password, context))
+                else it
+            })
+        }
     }
 
     fun getStudents(decryptPass: Boolean): Maybe<List<Student>> {
         return studentDb.loadAll()
             .map { list -> list.map { it.apply { if (decryptPass) password = decrypt(password) } } }
-            .filter { !it.isEmpty() }
+            .filter { it.isNotEmpty() }
     }
 
     fun getCurrentStudent(decryptPass: Boolean): Maybe<Student> {
-        return studentDb.loadCurrent().map { it.apply { if (decryptPass) password = decrypt(password) } }
+        return studentDb.loadCurrent().map {
+            it.apply {
+                if (decryptPass && Sdk.Mode.valueOf(loginMode) != Sdk.Mode.API) password = decrypt(password)
+            }
+        }
     }
 
     fun setCurrentStudent(student: Student): Completable {

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

@@ -1,34 +1,51 @@
 package io.github.wulkanowy.data.repositories.student
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Student
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDateTime.now
 import javax.inject.Inject
 import javax.inject.Singleton
+import io.github.wulkanowy.sdk.pojo.Student as SdkStudent
 
 @Singleton
-class StudentRemote @Inject constructor(private val api: Api) {
+class StudentRemote @Inject constructor(private val sdk: Sdk) {
 
-    fun getStudents(email: String, password: String, endpoint: String): Single<List<Student>> {
-        return api.getStudents().map { students ->
-            students.map { student ->
-                Student(
-                    email = email,
-                    password = password,
-                    symbol = student.symbol,
-                    studentId = student.studentId,
-                    studentName = student.studentName,
-                    schoolSymbol = student.schoolSymbol,
-                    schoolName = student.schoolName,
-                    className = student.className,
-                    classId = student.classId,
-                    endpoint = endpoint,
-                    loginType = student.loginType.name,
-                    isCurrent = false,
-                    registrationDate = now()
-                )
-            }
+    private fun mapStudents(students: List<SdkStudent>, email: String, password: String): List<Student> {
+        return students.map { student ->
+            Student(
+                email = email,
+                password = password,
+                isParent = student.isParent,
+                symbol = student.symbol,
+                studentId = student.studentId,
+                userLoginId = student.userLoginId,
+                studentName = student.studentName,
+                schoolSymbol = student.schoolSymbol,
+                schoolName = student.schoolName,
+                className = student.className,
+                classId = student.classId,
+                scrapperBaseUrl = student.scrapperBaseUrl,
+                loginType = student.loginType.name,
+                isCurrent = false,
+                registrationDate = now(),
+                mobileBaseUrl = student.mobileBaseUrl,
+                privateKey = student.privateKey,
+                certificateKey = student.certificateKey,
+                loginMode = student.loginMode.name
+            )
         }
     }
+
+    fun getStudentsMobileApi(token: String, pin: String, symbol: String): Single<List<Student>> {
+        return sdk.getStudentsFromMobileApi(token, pin, symbol).map { mapStudents(it, "", "") }
+    }
+
+    fun getStudentsScrapper(email: String, password: String, scrapperBaseUrl: String, symbol: String): Single<List<Student>> {
+        return sdk.getStudentsFromScrapper(email, password, scrapperBaseUrl, symbol).map { mapStudents(it, email, password) }
+    }
+
+    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) }
+    }
 }

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

@@ -2,7 +2,6 @@ package io.github.wulkanowy.data.repositories.student
 
 import com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
 import com.github.pwittchen.reactivenetwork.library.rx2.internet.observing.InternetObservingSettings
-import io.github.wulkanowy.data.ApiHelper
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
 import io.reactivex.Completable
@@ -16,21 +15,32 @@ import javax.inject.Singleton
 class StudentRepository @Inject constructor(
     private val local: StudentLocal,
     private val remote: StudentRemote,
-    private val settings: InternetObservingSettings,
-    private val apiHelper: ApiHelper
+    private val settings: InternetObservingSettings
 ) {
 
     fun isStudentSaved(): Single<Boolean> = local.getStudents(false).isEmpty.map { !it }
 
     fun isCurrentStudentSet(): Single<Boolean> = local.getCurrentStudent(false).isEmpty.map { !it }
 
-    fun getStudents(email: String, password: String, endpoint: String, symbol: String = ""): Single<List<Student>> {
-        return ReactiveNetwork.checkInternetConnectivity(settings)
-            .flatMap {
-                apiHelper.initApi(email, password, symbol, endpoint)
-                if (it) remote.getStudents(email, password, endpoint)
-                else Single.error(UnknownHostException("No internet connection"))
-            }
+    fun getStudentsApi(pin: String, symbol: String, token: String): Single<List<Student>> {
+        return ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+            if (it) remote.getStudentsMobileApi(token, pin, symbol)
+            else Single.error(UnknownHostException("No internet connection"))
+        }
+    }
+
+    fun getStudentsScrapper(email: String, password: String, endpoint: String, symbol: String = ""): Single<List<Student>> {
+        return ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+            if (it) remote.getStudentsScrapper(email, password, endpoint, symbol)
+            else Single.error(UnknownHostException("No internet connection"))
+        }
+    }
+
+    fun getStudentsHybrid(email: String, password: String, endpoint: String, symbol: String): Single<List<Student>> {
+        return ReactiveNetwork.checkInternetConnectivity(settings).flatMap {
+            if (it) remote.getStudentsHybrid(email, password, endpoint, symbol)
+            else Single.error(UnknownHostException("No internet connection"))
+        }
     }
 
     fun getSavedStudents(decryptPass: Boolean = true): Single<List<Student>> {

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

@@ -1,25 +1,24 @@
 package io.github.wulkanowy.data.repositories.subject
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Subject
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class SubjectRemote @Inject constructor(private val api: Api) {
+class SubjectRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getSubjects(semester: Semester): Single<List<Subject>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { api.getSubjects() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getSubjects()
             .map { subjects ->
                 subjects.map {
                     Subject(
                         studentId = semester.studentId,
                         diaryId = semester.diaryId,
                         name = it.name,
-                        realId = it.value
+                        realId = it.id
                     )
                 }
             }

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

@@ -1,18 +1,17 @@
 package io.github.wulkanowy.data.repositories.teacher
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Teacher
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class TeacherRemote @Inject constructor(private val api: Api) {
+class TeacherRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getTeachers(semester: Semester): Single<List<Teacher>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getTeachers() }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getTeachers(semester.semesterId)
             .map { teachers ->
                 teachers.map {
                     Teacher(

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

@@ -1,30 +1,27 @@
 package io.github.wulkanowy.data.repositories.timetable
 
-import io.github.wulkanowy.api.Api
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Timetable
-import io.github.wulkanowy.utils.toLocalDate
-import io.github.wulkanowy.utils.toLocalDateTime
+import io.github.wulkanowy.sdk.Sdk
 import io.reactivex.Single
 import org.threeten.bp.LocalDate
 import javax.inject.Inject
 import javax.inject.Singleton
 
 @Singleton
-class TimetableRemote @Inject constructor(private val api: Api) {
+class TimetableRemote @Inject constructor(private val sdk: Sdk) {
 
     fun getTimetable(semester: Semester, startDate: LocalDate, endDate: LocalDate): Single<List<Timetable>> {
-        return Single.just(api.apply { diaryId = semester.diaryId })
-            .flatMap { it.getTimetable(startDate, endDate) }
+        return sdk.switchDiary(semester.diaryId, semester.schoolYear).getTimetable(startDate, endDate)
             .map { lessons ->
                 lessons.map {
                     Timetable(
                         studentId = semester.studentId,
                         diaryId = semester.diaryId,
                         number = it.number,
-                        start = it.start.toLocalDateTime(),
-                        end = it.end.toLocalDateTime(),
-                        date = it.date.toLocalDate(),
+                        start = it.start,
+                        end = it.end,
+                        date = it.date,
                         subject = it.subject,
                         subjectOld = it.subjectOld,
                         group = it.group,

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

@@ -36,7 +36,7 @@ class TimetableRepository @Inject constructor(
                                     old.singleOrNull { new.start == it.start }?.let { old ->
                                         return@map new.copy(
                                             room = if (new.room.isEmpty()) old.room else new.room,
-                                            teacher = if (new.teacher.isEmpty() && !new.changes) old.teacher else new.teacher
+                                            teacher = if (new.teacher.isEmpty() && !new.changes && !old.changes) old.teacher else new.teacher
                                         )
                                     }
                                 }

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

@@ -2,6 +2,7 @@ package io.github.wulkanowy.di
 
 import android.appwidget.AppWidgetManager
 import android.content.Context
+import com.yariksoffice.lingver.Lingver
 import dagger.Module
 import dagger.Provides
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -32,4 +33,8 @@ internal class AppModule {
     @Singleton
     @Provides
     fun provideAppInfo() = AppInfo()
+
+    @Singleton
+    @Provides
+    fun provideLingver() = Lingver.getInstance()
 }

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

@@ -11,6 +11,7 @@ import androidx.work.NetworkType.UNMETERED
 import androidx.work.PeriodicWorkRequestBuilder
 import androidx.work.WorkManager
 import io.github.wulkanowy.data.db.SharedPrefProvider
+import io.github.wulkanowy.data.db.SharedPrefProvider.Companion.APP_VERSION_CODE_KEY
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.channels.NewEntriesChannel
@@ -32,10 +33,6 @@ class SyncManager @Inject constructor(
     appInfo: AppInfo
 ) {
 
-    companion object {
-        private const val APP_VERSION_CODE_KEY = "app_version_code"
-    }
-
     init {
         if (now().isHolidays) stopSyncWorker()
 

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

@@ -11,10 +11,10 @@ import androidx.work.WorkerParameters
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
 import io.github.wulkanowy.R
-import io.github.wulkanowy.api.interceptor.FeatureDisabledException
 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.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.getCompatColor
@@ -78,4 +78,3 @@ class SyncWorker @AssistedInject constructor(
         fun create(appContext: Context, workerParameters: WorkerParameters): ListenableWorker
     }
 }
-

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

@@ -30,7 +30,7 @@ class MessageWork @Inject constructor(
 ) : Work {
 
     override fun create(student: Student, semester: Semester): Completable {
-        return messageRepository.getMessages(student, RECEIVED, true, preferencesRepository.isNotificationsEnable)
+        return messageRepository.getMessages(student, semester, RECEIVED, true, preferencesRepository.isNotificationsEnable)
             .flatMap { messageRepository.getNotNotifiedMessages(student) }
             .flatMapCompletable {
                 if (it.isNotEmpty()) notify(it)

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

@@ -1,10 +1,10 @@
 package io.github.wulkanowy.ui.base
 
 import android.app.ActivityManager
-import android.os.Build.VERSION.SDK_INT
-import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.os.Build.VERSION.SDK_INT
+import android.os.Build.VERSION_CODES.LOLLIPOP
 import android.os.Bundle
 import android.view.View
 import android.widget.Toast
@@ -22,7 +22,8 @@ import io.github.wulkanowy.utils.FragmentLifecycleLogger
 import io.github.wulkanowy.utils.getThemeAttrColor
 import javax.inject.Inject
 
-abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity(), BaseView, HasAndroidInjector {
+abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity(), BaseView,
+    HasAndroidInjector {
 
     @Inject
     lateinit var androidInjector: DispatchingAndroidInjector<Any>
@@ -53,13 +54,15 @@ abstract class BaseActivity<T : BasePresenter<out BaseView>> : AppCompatActivity
     override fun showError(text: String, error: Throwable) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG)
-                .setAction(R.string.all_details) {
-                    ErrorDialog.newInstance(error).show(supportFragmentManager, error.toString())
-                }
+                .setAction(R.string.all_details) { showErrorDetailsDialog(error) }
                 .show()
         } else showMessage(text)
     }
 
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(supportFragmentManager, error.toString())
+    }
+
     override fun showMessage(text: String) {
         if (messageContainer != null) Snackbar.make(messageContainer!!, text, LENGTH_LONG).show()
         else Toast.makeText(this, text, Toast.LENGTH_LONG).show()

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

@@ -0,0 +1,27 @@
+package io.github.wulkanowy.ui.base
+
+import android.widget.Toast
+import dagger.android.support.DaggerAppCompatDialogFragment
+
+abstract class BaseDialogFragment : DaggerAppCompatDialogFragment(), BaseView {
+
+    override fun showError(text: String, error: Throwable) {
+        showMessage(text)
+    }
+
+    override fun showMessage(text: String) {
+        Toast.makeText(context, text, Toast.LENGTH_LONG).show()
+    }
+
+    override fun showExpiredDialog() {
+        (activity as? BaseActivity<*>)?.showExpiredDialog()
+    }
+
+    override fun openClearLoginView() {
+        (activity as? BaseActivity<*>)?.openClearLoginView()
+    }
+
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+}

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

@@ -13,15 +13,17 @@ abstract class BaseFragment : DaggerFragment(), BaseView {
     override fun showError(text: String, error: Throwable) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG)
-                .setAction(R.string.all_details) {
-                    if (isAdded) ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
-                }
+                .setAction(R.string.all_details) { if (isAdded) showErrorDetailsDialog(error) }
                 .show()
         } else {
             (activity as? BaseActivity<*>)?.showError(text, error)
         }
     }
 
+    override fun showErrorDetailsDialog(error: Throwable) {
+        ErrorDialog.newInstance(error).show(childFragmentManager, error.toString())
+    }
+
     override fun showMessage(text: String) {
         if (messageContainer != null) {
             Snackbar.make(messageContainer!!, text, LENGTH_LONG).show()

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

@@ -9,4 +9,6 @@ interface BaseView {
     fun showExpiredDialog()
 
     fun openClearLoginView()
+
+    fun showErrorDetailsDialog(error: Throwable)
 }

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

@@ -3,11 +3,12 @@ package io.github.wulkanowy.ui.base
 import android.content.res.Resources
 import com.readystatesoftware.chuck.api.ChuckCollector
 import io.github.wulkanowy.R
-import io.github.wulkanowy.api.interceptor.FeatureDisabledException
-import io.github.wulkanowy.api.interceptor.ServiceUnavailableException
-import io.github.wulkanowy.api.login.BadCredentialsException
-import io.github.wulkanowy.api.login.NotLoggedInException
 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.security.ScramblerException
 import timber.log.Timber
 import java.net.SocketTimeoutException
@@ -38,6 +39,7 @@ open class ErrorHandler @Inject constructor(protected val resources: Resources,
                 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)
             }
         }

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

@@ -47,6 +47,11 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
             Triple(getString(R.string.about_feedback), getString(R.string.about_feedback_summary), getCompatDrawable(R.drawable.ic_about_feedback))
         }
 
+    override val faqRes: Triple<String, String, Drawable?>?
+        get() = context?.run {
+            Triple(getString(R.string.about_faq), getString(R.string.about_faq_summary), getCompatDrawable(R.drawable.ic_about_faq))
+        }
+
     override val discordRes: Triple<String, String, Drawable?>?
         get() = context?.run {
             Triple(getString(R.string.about_discord), getString(R.string.about_discord_summary), getCompatDrawable(R.drawable.ic_about_discord))
@@ -130,6 +135,10 @@ class AboutFragment : BaseFragment(), AboutView, MainView.TitledView {
         }
     }
 
+    override fun openFaqPage() {
+        context?.openInternetBrowser("https://wulkanowy.github.io/czesto-zadawane-pytania", ::showMessage)
+    }
+
     override fun openLicenses() {
         (activity as? MainActivity)?.pushView(LicenseFragment.newInstance())
     }

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

@@ -28,10 +28,15 @@ class AboutPresenter @Inject constructor(
         view?.run {
             when (item.title) {
                 feedbackRes?.first -> {
-                    Timber.i("Opening email client ")
+                    Timber.i("Opening email client")
                     openEmailClient()
                     analytics.logEvent("about_open", "name" to "feedback")
                 }
+                faqRes?.first -> {
+                    Timber.i("Opening faq page")
+                    openFaqPage()
+                    analytics.logEvent("about_open", "name" to "faq")
+                }
                 discordRes?.first -> {
                     Timber.i("Opening discord")
                     openDiscordInvite()
@@ -61,6 +66,7 @@ class AboutPresenter @Inject constructor(
             updateData(AboutScrollableHeader(), listOfNotNull(
                 versionRes?.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) },

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

@@ -9,6 +9,8 @@ interface AboutView : BaseView {
 
     val feedbackRes: Triple<String, String, Drawable?>?
 
+    val faqRes: Triple<String, String, Drawable?>?
+
     val discordRes: Triple<String, String, Drawable?>?
 
     val homepageRes: Triple<String, String, Drawable?>?
@@ -25,6 +27,8 @@ interface AboutView : BaseView {
 
     fun openEmailClient()
 
+    fun openFaqPage()
+
     fun openHomepage()
 
     fun openLicenses()

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

@@ -7,18 +7,17 @@ import android.view.ViewGroup
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
 import androidx.appcompat.app.AlertDialog
-import dagger.android.support.DaggerAppCompatDialogFragment
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.R
-import io.github.wulkanowy.ui.base.BaseActivity
+import io.github.wulkanowy.ui.base.BaseDialogFragment
 import io.github.wulkanowy.ui.modules.login.LoginActivity
 import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.dialog_account.*
 import javax.inject.Inject
 
-class AccountDialog : DaggerAppCompatDialogFragment(), AccountView {
+class AccountDialog : BaseDialogFragment(), AccountView {
 
     @Inject
     lateinit var presenter: AccountPresenter
@@ -77,14 +76,6 @@ class AccountDialog : DaggerAppCompatDialogFragment(), AccountView {
         }
     }
 
-    override fun showExpiredDialog() {
-        (activity as? BaseActivity<*>)?.showExpiredDialog()
-    }
-
-    override fun openClearLoginView() {
-        (activity as? BaseActivity<*>)?.openClearLoginView()
-    }
-
     override fun showConfirmDialog() {
         context?.let {
             AlertDialog.Builder(it)
@@ -105,4 +96,3 @@ class AccountDialog : DaggerAppCompatDialogFragment(), AccountView {
         super.onDestroy()
     }
 }
-

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

@@ -6,7 +6,11 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
+import android.view.View.GONE
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
 import android.view.ViewGroup
+import com.wdullaer.materialdatetimepicker.date.DatePickerDialog
 import eu.davidea.flexibleadapter.FlexibleAdapter
 import eu.davidea.flexibleadapter.common.FlexibleItemDecoration
 import eu.davidea.flexibleadapter.common.SmoothScrollLinearLayoutManager
@@ -17,9 +21,11 @@ import io.github.wulkanowy.ui.base.BaseFragment
 import io.github.wulkanowy.ui.modules.attendance.summary.AttendanceSummaryFragment
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
+import io.github.wulkanowy.utils.SchooldaysRangeLimiter
 import io.github.wulkanowy.utils.dpToPx
 import io.github.wulkanowy.utils.setOnItemClickListener
 import kotlinx.android.synthetic.main.fragment_attendance.*
+import org.threeten.bp.LocalDate
 import javax.inject.Inject
 
 class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildView,
@@ -70,7 +76,11 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
         }
 
         attendanceSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        attendanceErrorRetry.setOnClickListener { presenter.onRetry() }
+        attendanceErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
         attendancePreviousButton.setOnClickListener { presenter.onPreviousDay() }
+        attendanceNavDate.setOnClickListener { presenter.onPickDate() }
         attendanceNextButton.setOnClickListener { presenter.onNextDay() }
 
         attendanceNavContainer.setElevationCompat(requireContext().dpToPx(8f))
@@ -110,11 +120,19 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
     }
 
     override fun showEmpty(show: Boolean) {
-        attendanceEmpty.visibility = if (show) View.VISIBLE else View.GONE
+        attendanceEmpty.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun showErrorView(show: Boolean) {
+        attendanceError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        attendanceErrorMessage.text = message
     }
 
     override fun showProgress(show: Boolean) {
-        attendanceProgress.visibility = if (show) View.VISIBLE else View.GONE
+        attendanceProgress.visibility = if (show) VISIBLE else GONE
     }
 
     override fun enableSwipe(enable: Boolean) {
@@ -122,7 +140,7 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
     }
 
     override fun showContent(show: Boolean) {
-        attendanceRecycler.visibility = if (show) View.VISIBLE else View.GONE
+        attendanceRecycler.visibility = if (show) VISIBLE else GONE
     }
 
     override fun hideRefresh() {
@@ -130,17 +148,32 @@ class AttendanceFragment : BaseFragment(), AttendanceView, MainView.MainChildVie
     }
 
     override fun showPreButton(show: Boolean) {
-        attendancePreviousButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        attendancePreviousButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showNextButton(show: Boolean) {
-        attendanceNextButton.visibility = if (show) View.VISIBLE else View.INVISIBLE
+        attendanceNextButton.visibility = if (show) VISIBLE else INVISIBLE
     }
 
     override fun showAttendanceDialog(lesson: Attendance) {
         (activity as? MainActivity)?.showDialogFragment(AttendanceDialog.newInstance(lesson))
     }
 
+    override fun showDatePickerDialog(currentDate: LocalDate) {
+        val dateSetListener = DatePickerDialog.OnDateSetListener { _, year, month, dayOfMonth ->
+            presenter.onDateSet(year, month + 1, dayOfMonth)
+        }
+        val datePickerDialog = DatePickerDialog.newInstance(dateSetListener,
+            currentDate.year, currentDate.monthValue - 1, currentDate.dayOfMonth)
+
+        with(datePickerDialog) {
+            setDateRangeLimiter(SchooldaysRangeLimiter())
+            version = DatePickerDialog.Version.VERSION_2
+            scrollOrientation = DatePickerDialog.ScrollOrientation.VERTICAL
+            show(this@AttendanceFragment.parentFragmentManager, null)
+        }
+    }
+
     override fun openSummaryView() {
         (activity as? MainActivity)?.pushView(AttendanceSummaryFragment.newInstance())
     }

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

@@ -1,5 +1,6 @@
 package io.github.wulkanowy.ui.modules.attendance
 
+import android.annotation.SuppressLint
 import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import io.github.wulkanowy.data.repositories.attendance.AttendanceRepository
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
@@ -37,10 +38,13 @@ class AttendancePresenter @Inject constructor(
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: AttendanceView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Attendance view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
         if (currentDate.isHolidays) setBaseDateOnHolidays()
         reloadView()
@@ -56,11 +60,32 @@ class AttendancePresenter @Inject constructor(
         reloadView()
     }
 
+    fun onPickDate() {
+        view?.showDatePickerDialog(currentDate)
+    }
+
+    fun onDateSet(year: Int, month: Int, day: Int) {
+        loadData(LocalDate.of(year, month, day))
+        reloadView()
+    }
+
     fun onSwipeRefresh() {
         Timber.i("Force refreshing the attendance")
         loadData(currentDate, true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(currentDate, true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onViewReselected() {
         Timber.i("Attendance view is reselected")
         view?.also { view ->
@@ -130,18 +155,29 @@ class AttendancePresenter @Inject constructor(
                     view?.apply {
                         updateData(it)
                         showEmpty(it.isEmpty())
+                        showErrorView(false)
                         showContent(it.isNotEmpty())
                     }
                     analytics.logEvent("load_attendance", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading attendance result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
                     errorHandler.dispatch(it)
                 }
             )
         }
     }
 
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
     private fun reloadView() {
         Timber.i("Reload attendance view with the date ${currentDate.toFormattedString()}")
         view?.apply {
@@ -149,11 +185,13 @@ class AttendancePresenter @Inject constructor(
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }
     }
 
+    @SuppressLint("DefaultLocale")
     private fun reloadNavigation() {
         view?.apply {
             showPreButton(!currentDate.minusDays(1).isHolidays)

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

@@ -2,6 +2,7 @@ package io.github.wulkanowy.ui.modules.attendance
 
 import io.github.wulkanowy.data.db.entities.Attendance
 import io.github.wulkanowy.ui.base.BaseView
+import org.threeten.bp.LocalDate
 
 interface AttendanceView : BaseView {
 
@@ -23,6 +24,10 @@ interface AttendanceView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)
@@ -35,6 +40,8 @@ interface AttendanceView : BaseView {
 
     fun showAttendanceDialog(lesson: Attendance)
 
+    fun showDatePickerDialog(currentDate: LocalDate)
+
     fun openSummaryView()
 
     fun popView()

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

@@ -57,6 +57,8 @@ class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainVie
         }
 
         attendanceSummarySwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        attendanceSummaryErrorRetry.setOnClickListener { presenter.onRetry() }
+        attendanceSummaryErrorDetails.setOnClickListener { presenter.onDetailsClick() }
 
         subjectsAdapter = ArrayAdapter(requireContext(), android.R.layout.simple_spinner_item, mutableListOf())
         subjectsAdapter.setDropDownViewResource(R.layout.item_attendance_summary_subject)
@@ -93,6 +95,14 @@ class AttendanceSummaryFragment : BaseFragment(), AttendanceSummaryView, MainVie
         attendanceSummaryEmpty.visibility = if (show) VISIBLE else GONE
     }
 
+    override fun showErrorView(show: Boolean) {
+        attendanceSummaryError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        attendanceSummaryErrorMessage.text = message
+    }
+
     override fun showProgress(show: Boolean) {
         attendanceSummaryProgress.visibility = if (show) VISIBLE else GONE
     }

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

@@ -33,10 +33,13 @@ class AttendanceSummaryPresenter @Inject constructor(
     var currentSubjectId = -1
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: AttendanceSummaryView, subjectId: Int?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Attendance summary view was initialized with subject id ${subjectId ?: -1}")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData(subjectId ?: -1)
         loadSubjects()
     }
@@ -46,12 +49,26 @@ class AttendanceSummaryPresenter @Inject constructor(
         loadData(currentSubjectId, true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(currentSubjectId, true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onSubjectSelected(name: String?) {
         Timber.i("Select attendance summary subject $name")
         view?.run {
             showContent(false)
             showProgress(true)
             enableSwipe(false)
+            showEmpty(false)
+            showErrorView(false)
             clearView()
         }
         (subjects.singleOrNull { it.name == name }?.realId ?: -1).let {
@@ -88,13 +105,23 @@ class AttendanceSummaryPresenter @Inject constructor(
                     analytics.logEvent("load_attendance_summary", "items" to it.first.size, "force_refresh" to forceRefresh, "item_id" to subjectId)
                 }) {
                     Timber.i("Loading attendance summary result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
                     errorHandler.dispatch(it)
                 }
             )
         }
     }
 
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
     private fun loadSubjects() {
         Timber.i("Loading attendance summary subjects started")
         disposable.add(studentRepository.getCurrentStudent()

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

@@ -18,6 +18,10 @@ interface AttendanceSummaryView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun updateDataSet(data: List<AttendanceSummaryItem>, header: AttendanceSummaryScrollableHeader)
 
     fun updateSubjects(data: ArrayList<String>)

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

@@ -61,6 +61,9 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.
         }
 
         examSwipe.setOnRefreshListener(presenter::onSwipeRefresh)
+        examErrorRetry.setOnClickListener { presenter.onRetry() }
+        examErrorDetails.setOnClickListener { presenter.onDetailsClick() }
+
         examPreviousButton.setOnClickListener { presenter.onPreviousWeek() }
         examNextButton.setOnClickListener { presenter.onNextWeek() }
 
@@ -95,6 +98,14 @@ class ExamFragment : BaseFragment(), ExamView, MainView.MainChildView, MainView.
         examEmpty.visibility = if (show) VISIBLE else GONE
     }
 
+    override fun showErrorView(show: Boolean) {
+        examError.visibility = if (show) VISIBLE else GONE
+    }
+
+    override fun setErrorDetails(message: String) {
+        examErrorMessage.text = message
+    }
+
     override fun showProgress(show: Boolean) {
         examProgress.visibility = if (show) VISIBLE else GONE
     }

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

@@ -36,10 +36,13 @@ class ExamPresenter @Inject constructor(
     lateinit var currentDate: LocalDate
         private set
 
+    private lateinit var lastError: Throwable
+
     fun onAttachView(view: ExamView, date: Long?) {
         super.onAttachView(view)
         view.initView()
         Timber.i("Exam view was initialized")
+        errorHandler.showErrorMessage = ::showErrorViewOnError
         loadData(ofEpochDay(date ?: baseDate.toEpochDay()))
         if (currentDate.isHolidays) setBaseDateOnHolidays()
         reloadView()
@@ -60,6 +63,18 @@ class ExamPresenter @Inject constructor(
         loadData(currentDate, true)
     }
 
+    fun onRetry() {
+        view?.run {
+            showErrorView(false)
+            showProgress(true)
+        }
+        loadData(currentDate, true)
+    }
+
+    fun onDetailsClick() {
+        view?.showErrorDetailsDialog(lastError)
+    }
+
     fun onExamItemSelected(item: AbstractFlexibleItem<*>?) {
         if (item is ExamItem) {
             Timber.i("Select exam item ${item.exam.id}")
@@ -116,17 +131,28 @@ class ExamPresenter @Inject constructor(
                     view?.apply {
                         updateData(it)
                         showEmpty(it.isEmpty())
+                        showErrorView(false)
                         showContent(it.isNotEmpty())
                     }
                     analytics.logEvent("load_exam", "items" to it.size, "force_refresh" to forceRefresh)
                 }) {
                     Timber.i("Loading exam result: An exception occurred")
-                    view?.run { showEmpty(isViewEmpty) }
                     errorHandler.dispatch(it)
                 })
         }
     }
 
+    private fun showErrorViewOnError(message: String, error: Throwable) {
+        view?.run {
+            if (isViewEmpty) {
+                lastError = error
+                setErrorDetails(message)
+                showErrorView(true)
+                showEmpty(false)
+            } else showError(message, error)
+        }
+    }
+
     private fun createExamItems(items: Map<LocalDate, List<Exam>>): List<ExamItem> {
         return items.flatMap {
             ExamHeader(it.key).let { header ->
@@ -142,6 +168,7 @@ class ExamPresenter @Inject constructor(
             enableSwipe(false)
             showContent(false)
             showEmpty(false)
+            showErrorView(false)
             clearData()
             reloadNavigation()
         }

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

@@ -21,6 +21,10 @@ interface ExamView : BaseView {
 
     fun showEmpty(show: Boolean)
 
+    fun showErrorView(show: Boolean)
+
+    fun setErrorDetails(message: String)
+
     fun showProgress(show: Boolean)
 
     fun enableSwipe(enable: Boolean)