diff --git a/app/build.gradle b/app/build.gradle
index 0bec0db7c..fe316e863 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -132,7 +132,6 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.8'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-rx2:1.3.8'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.8'
 
     implementation "androidx.core:core-ktx:1.3.0"
@@ -155,10 +154,9 @@ dependencies {
     implementation "me.zhanghai.android.materialprogressbar:library:1.6.1"
 
     implementation "androidx.work:work-runtime-ktx:$work_manager"
-    implementation "androidx.work:work-rxjava2:$work_manager"
     implementation "androidx.work:work-gcm:$work_manager"
 
-    implementation 'com.github.PaulinaSadowska:RxWorkManagerObservers:1.0.0'
+    implementation "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0"
 
     implementation "androidx.room:room-runtime:$room"
     implementation "androidx.room:room-ktx:$room"
@@ -174,9 +172,6 @@ dependencies {
     implementation "com.ncapdevi:frag-nav:3.3.0"
     implementation "com.github.YarikSOffice:lingver:1.2.2"
 
-    implementation "io.reactivex.rxjava2:rxandroid:2.1.1"
-    implementation "io.reactivex.rxjava2:rxjava:2.2.19"
-
     implementation "com.google.code.gson:gson:2.8.6"
     implementation "com.jakewharton.timber:timber:4.7.1"
     implementation "at.favre.lib:slf4j-timber:1.0.1"
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 1a8b8c329..7c7962575 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -30,13 +30,6 @@
 -dontwarn javax.annotation.**
 
 
-#Config for ReactiveNetwork
--dontwarn com.github.pwittchen.reactivenetwork.library.rx2.ReactiveNetwork
--dontwarn io.reactivex.functions.Function
--dontwarn rx.internal.util.**
--dontwarn sun.misc.Unsafe
-
-
 #Config for MPAndroidChart
 -keep class com.github.mikephil.charting.** { *; }
 
diff --git a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
index c7c5a6fd0..9b1944c3f 100644
--- a/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
+++ b/app/src/main/java/io/github/wulkanowy/WulkanowyApp.kt
@@ -18,10 +18,7 @@ import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.CrashlyticsExceptionTree
 import io.github.wulkanowy.utils.CrashlyticsTree
 import io.github.wulkanowy.utils.DebugLogTree
-import io.reactivex.exceptions.UndeliverableException
-import io.reactivex.plugins.RxJavaPlugins
 import timber.log.Timber
-import java.io.IOException
 import javax.inject.Inject
 
 class WulkanowyApp : DaggerApplication(), Configuration.Provider {
@@ -42,7 +39,6 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
 
     override fun onCreate() {
         super.onCreate()
-        RxJavaPlugins.setErrorHandler(::onError)
         Lingver.init(this)
         themeManager.applyDefaultTheme()
 
@@ -66,14 +62,6 @@ class WulkanowyApp : DaggerApplication(), Configuration.Provider {
         registerActivityLifecycleCallbacks(ActivityLifecycleLogger())
     }
 
-    private fun onError(error: Throwable) {
-        //RxJava's too deep stack traces may cause SOE on older android devices
-        val cause = error.cause
-        if (error is UndeliverableException && cause is IOException || cause is InterruptedException || cause is StackOverflowError) {
-            Timber.e(cause, "An undeliverable error occurred")
-        } else throw error
-    }
-
     override fun applicationInjector(): AndroidInjector<out DaggerApplication> {
         return DaggerAppComponent.factory().create(this)
     }
diff --git a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
index 29b66a4e5..d791f0a35 100644
--- a/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
+++ b/app/src/main/java/io/github/wulkanowy/di/AppModule.kt
@@ -8,7 +8,6 @@ import dagger.Provides
 import io.github.wulkanowy.WulkanowyApp
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.DispatchersProvider
-import io.github.wulkanowy.utils.SchedulersProvider
 import javax.inject.Singleton
 
 @Module
@@ -18,10 +17,6 @@ internal class AppModule {
     @Provides
     fun provideContext(app: WulkanowyApp): Context = app
 
-    @Singleton
-    @Provides
-    fun provideSchedulersProvider() = SchedulersProvider()
-
     @Singleton
     @Provides
     fun provideDispatchersProvider() = DispatchersProvider()
diff --git a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
index 283f0a984..1e68685f7 100644
--- a/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/alarm/TimetableNotificationReceiver.kt
@@ -12,14 +12,17 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import dagger.android.AndroidInjection
 import io.github.wulkanowy.R
+import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.services.sync.channels.UpcomingLessonsChannel.Companion.CHANNEL_ID
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.SchedulersProvider
+import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.getCompatColor
 import io.github.wulkanowy.utils.toLocalDateTime
-import kotlinx.coroutines.rx2.rxSingle
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -28,9 +31,6 @@ class TimetableNotificationReceiver : BroadcastReceiver() {
     @Inject
     lateinit var studentRepository: StudentRepository
 
-    @Inject
-    lateinit var schedulers: SchedulersProvider
-
     companion object {
         const val NOTIFICATION_TYPE_CURRENT = 1
         const val NOTIFICATION_TYPE_UPCOMING = 2
@@ -54,14 +54,14 @@ class TimetableNotificationReceiver : BroadcastReceiver() {
         Timber.d("Receiving intent... ${intent.toUri(0)}")
         AndroidInjection.inject(this, context)
 
-        rxSingle { studentRepository.getCurrentStudent(false) }
-            .subscribeOn(schedulers.backgroundThread)
-            .observeOn(schedulers.mainThread)
-            .subscribe({
-                val studentId = intent.getIntExtra(STUDENT_ID, 0)
-                if (it.studentId == studentId) prepareNotification(context, intent)
-                else Timber.d("Notification studentId($studentId) differs from current(${it.studentId})")
-            }, { Timber.e(it) })
+        flowWithResource {
+            val student = studentRepository.getCurrentStudent(false)
+            val studentId = intent.getIntExtra(STUDENT_ID, 0)
+            if (student.studentId == studentId) prepareNotification(context, intent)
+            else Timber.d("Notification studentId($studentId) differs from current(${student.studentId})")
+        }.onEach {
+            if (it.status == Status.ERROR) Timber.e(it.error!!)
+        }.launchIn(GlobalScope)
     }
 
     private fun prepareNotification(context: Context, intent: Intent) {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt b/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
index c94f8145e..1d005ae8e 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/SyncManager.kt
@@ -3,6 +3,7 @@ package io.github.wulkanowy.services.sync
 import android.os.Build.VERSION.SDK_INT
 import android.os.Build.VERSION_CODES.O
 import androidx.core.app.NotificationManagerCompat
+import androidx.lifecycle.asFlow
 import androidx.work.BackoffPolicy.EXPONENTIAL
 import androidx.work.Constraints
 import androidx.work.Data
@@ -15,14 +16,13 @@ import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.PeriodicWorkRequestBuilder
 import androidx.work.WorkInfo
 import androidx.work.WorkManager
-import com.paulinasadowska.rxworkmanagerobservers.extensions.getWorkInfoByIdObservable
 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.Channel
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.isHolidays
-import io.reactivex.Observable
+import kotlinx.coroutines.flow.Flow
 import timber.log.Timber
 import java.time.LocalDate.now
 import java.util.concurrent.TimeUnit.MINUTES
@@ -67,7 +67,7 @@ class SyncManager @Inject constructor(
         }
     }
 
-    fun startOneTimeSyncWorker(): Observable<WorkInfo> {
+    fun startOneTimeSyncWorker(): Flow<WorkInfo> {
         val work = OneTimeWorkRequestBuilder<SyncWorker>()
             .setInputData(
                 Data.Builder()
@@ -77,7 +77,8 @@ class SyncManager @Inject constructor(
             .build()
 
         workManager.enqueueUniqueWork("${SyncWorker::class.java.simpleName}_one_time", ExistingWorkPolicy.REPLACE, work)
-        return workManager.getWorkInfoByIdObservable(work.id)
+
+        return workManager.getWorkInfoByIdLiveData(work.id).asFlow()
     }
 
     fun stopSyncWorker() {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt b/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
index fc02ca759..75711f0eb 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/SyncWorker.kt
@@ -5,9 +5,9 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationCompat.BigTextStyle
 import androidx.core.app.NotificationCompat.PRIORITY_DEFAULT
 import androidx.core.app.NotificationManagerCompat
+import androidx.work.CoroutineWorker
 import androidx.work.Data
 import androidx.work.ListenableWorker
-import androidx.work.RxWorker
 import androidx.work.WorkerParameters
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
@@ -20,10 +20,7 @@ import io.github.wulkanowy.sdk.scrapper.exception.FeatureDisabledException
 import io.github.wulkanowy.services.sync.channels.DebugChannel
 import io.github.wulkanowy.services.sync.works.Work
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
-import io.reactivex.Single
-import kotlinx.coroutines.rx2.rxMaybe
-import kotlinx.coroutines.rx2.rxSingle
+import kotlinx.coroutines.coroutineScope
 import timber.log.Timber
 import kotlin.random.Random
 
@@ -35,45 +32,43 @@ class SyncWorker @AssistedInject constructor(
     private val works: Set<@JvmSuppressWildcards Work>,
     private val preferencesRepository: PreferencesRepository,
     private val notificationManager: NotificationManagerCompat
-) : RxWorker(appContext, workerParameters) {
+) : CoroutineWorker(appContext, workerParameters) {
 
-    override fun createWork(): Single<Result> {
+    override suspend fun doWork() = coroutineScope {
         Timber.i("SyncWorker is starting")
-        return rxSingle { studentRepository.isCurrentStudentSet() }
-            .filter { true }
-            .flatMap { rxMaybe { studentRepository.getCurrentStudent() } }
-            .flatMapCompletable { student ->
-                rxSingle { semesterRepository.getCurrentSemester(student, true) }
-                    .flatMapCompletable { semester ->
-                        Completable.mergeDelayError(works.map { work ->
-                            work.create(student, semester)
-                                .onErrorResumeNext {
-                                    if (it is FeatureDisabledException || it is FeatureNotAvailableException) Completable.complete()
-                                    else Completable.error(it)
-                                }
-                                .doOnSubscribe { Timber.i("${work::class.java.simpleName} is starting") }
-                                .doOnError { Timber.i("${work::class.java.simpleName} result: An exception occurred") }
-                                .doOnComplete { Timber.i("${work::class.java.simpleName} result: Success") }
-                        })
-                    }
+
+        if (!studentRepository.isCurrentStudentSet()) return@coroutineScope Result.failure()
+
+        val student = studentRepository.getCurrentStudent()
+        val semester = semesterRepository.getCurrentSemester(student, true)
+
+        val exceptions = works.mapNotNull { work ->
+            try {
+                Timber.i("${work::class.java.simpleName} is starting")
+                work.doWork(student, semester)
+                Timber.i("${work::class.java.simpleName} result: Success")
+                null
+            } catch (e: Throwable) {
+                Timber.w("${work::class.java.simpleName} result: An exception ${e.message} occurred")
+                if (e is FeatureDisabledException || e is FeatureNotAvailableException) null
+                else e
             }
-            .toSingleDefault(Result.success())
-            .onErrorReturn {
-                Timber.e(it, "There was an error during synchronization")
-                when {
-                    inputData.getBoolean("one_time", false) -> {
-                        Result.failure(Data.Builder()
-                            .putString("error", it.toString())
-                            .build()
-                        )
-                    }
-                    else -> Result.retry()
-                }
-            }
-            .doOnSuccess {
-                if (preferencesRepository.isDebugNotificationEnable) notify(it)
-                Timber.i("SyncWorker result: $it")
+        }
+        val result = when {
+            exceptions.isNotEmpty() && inputData.getBoolean("one_time", false) -> {
+                Result.failure(Data.Builder()
+                    .putString("error", exceptions.toString())
+                    .build()
+                )
             }
+            exceptions.isNotEmpty() -> Result.retry()
+            else -> Result.success()
+        }
+
+        if (preferencesRepository.isDebugNotificationEnable) notify(result)
+        Timber.i("SyncWorker result: $result")
+
+        result
     }
 
     private fun notify(result: Result) {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
index 3d118e6f1..9e4ab9025 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceSummaryWork.kt
@@ -3,16 +3,14 @@ package io.github.wulkanowy.services.sync.works
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.attendancesummary.AttendanceSummaryRepository
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 
 class AttendanceSummaryWork @Inject constructor(
     private val attendanceSummaryRepository: AttendanceSummaryRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { attendanceSummaryRepository.getAttendanceSummary(student, semester, -1, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        attendanceSummaryRepository.getAttendanceSummary(student, semester, -1, true).waitForResult()
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
index 543ec5f34..ecf0be018 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/AttendanceWork.kt
@@ -5,14 +5,13 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.attendance.AttendanceRepository
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
 
 class AttendanceWork @Inject constructor(private val attendanceRepository: AttendanceRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { attendanceRepository.getAttendance(student, semester, now().monday, now().sunday, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        attendanceRepository.getAttendance(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
index 4612ebb48..212ea6327 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/CompletedLessonWork.kt
@@ -5,8 +5,7 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.completedlessons.CompletedLessonsRepository
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
 
@@ -14,7 +13,7 @@ class CompletedLessonWork @Inject constructor(
     private val completedLessonsRepository: CompletedLessonsRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { completedLessonsRepository.getCompletedLessons(student, semester, now().monday, now().sunday, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        completedLessonsRepository.getCompletedLessons(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
index 119226716..f7d8db0ae 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/ExamWork.kt
@@ -5,14 +5,13 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.exam.ExamRepository
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
 
 class ExamWork @Inject constructor(private val examRepository: ExamRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { examRepository.getExams(student, semester, now().monday, now().sunday, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        examRepository.getExams(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
index cbfa2d9af..3d61a423b 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeStatisticsWork.kt
@@ -3,21 +3,18 @@ package io.github.wulkanowy.services.sync.works
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.gradestatistics.GradeStatisticsRepository
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 
 class GradeStatisticsWork @Inject constructor(
     private val gradeStatisticsRepository: GradeStatisticsRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable {
-            with(gradeStatisticsRepository) {
-                getGradesStatistics(student, semester, "Wszystkie", isSemester = true, forceRefresh = true).waitForResult()
-                getGradesStatistics(student, semester, "Wszystkie", isSemester = false, forceRefresh = true).waitForResult()
-                getGradesPointsStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        with(gradeStatisticsRepository) {
+            getGradesStatistics(student, semester, "Wszystkie", isSemester = true, forceRefresh = true).waitForResult()
+            getGradesStatistics(student, semester, "Wszystkie", isSemester = false, forceRefresh = true).waitForResult()
+            getGradesPointsStatistics(student, semester, "Wszystkie", forceRefresh = true).waitForResult()
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
index 741809930..9d4df201d 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/GradeWork.kt
@@ -18,10 +18,8 @@ import io.github.wulkanowy.services.sync.channels.NewGradesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.rx2.rxCompletable
-import kotlinx.coroutines.rx2.rxSingle
 import javax.inject.Inject
 import kotlin.random.Random
 
@@ -32,18 +30,23 @@ class GradeWork @Inject constructor(
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { gradeRepository.getGrades(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult() }
-            .concatWith(Completable.concatArray(rxSingle { gradeRepository.getNotNotifiedGrades(semester).first() }.flatMapCompletable {
-                if (it.isNotEmpty()) notifyDetails(it)
-                rxCompletable { gradeRepository.updateGrades(it.onEach { grade -> grade.isNotified = true }) }
-            }, rxSingle { gradeRepository.getNotNotifiedPredictedGrades(semester).first() }.flatMapCompletable {
-                if (it.isNotEmpty()) notifyPredicted(it)
-                rxCompletable { gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isPredictedGradeNotified = true }) }
-            }, rxSingle { gradeRepository.getNotNotifiedFinalGrades(semester).first() }.flatMapCompletable {
-                if (it.isNotEmpty()) notifyFinal(it)
-                rxCompletable { gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isFinalGradeNotified = true }) }
-            }))
+    override suspend fun doWork(student: Student, semester: Semester) {
+        gradeRepository.getGrades(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        gradeRepository.getNotNotifiedGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyDetails(it)
+            gradeRepository.updateGrades(it.onEach { grade -> grade.isNotified = true })
+        }
+
+        gradeRepository.getNotNotifiedPredictedGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyPredicted(it)
+            gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isPredictedGradeNotified = true })
+        }
+
+        gradeRepository.getNotNotifiedFinalGrades(semester).first().let {
+            if (it.isNotEmpty()) notifyFinal(it)
+            gradeRepository.updateGradesSummary(it.onEach { grade -> grade.isFinalGradeNotified = true })
+        }
     }
 
     private fun getNotificationBuilder(): NotificationCompat.Builder {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
index 315c2caf4..a07f11073 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/HomeworkWork.kt
@@ -5,14 +5,13 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.homework.HomeworkRepository
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
 
 class HomeworkWork @Inject constructor(private val homeworkRepository: HomeworkRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { homeworkRepository.getHomework(student, semester, now().monday, now().sunday, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        homeworkRepository.getHomework(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
index 9bf3de0c6..0024d9038 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/LuckyNumberWork.kt
@@ -17,10 +17,8 @@ import io.github.wulkanowy.services.sync.channels.LuckyNumberChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.rx2.rxCompletable
-import kotlinx.coroutines.rx2.rxMaybe
 import javax.inject.Inject
 import kotlin.random.Random
 
@@ -31,13 +29,13 @@ class LuckyNumberWork @Inject constructor(
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxMaybe { luckyNumberRepository.getLuckyNumber(student, true, preferencesRepository.isNotificationsEnable).waitForResult() }
-            .flatMap { rxMaybe { luckyNumberRepository.getNotNotifiedLuckyNumber(student).first() } }
-            .flatMapCompletable {
-                notify(it)
-                rxCompletable { luckyNumberRepository.updateLuckyNumber(it.apply { isNotified = true }) }
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        luckyNumberRepository.getLuckyNumber(student, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        luckyNumberRepository.getNotNotifiedLuckyNumber(student).first()?.let {
+            notify(it)
+            luckyNumberRepository.updateLuckyNumber(it.apply { isNotified = true })
+        }
     }
 
     private fun notify(luckyNumber: LuckyNumber) {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
index 28f6e3076..ba026a0e9 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/MessageWork.kt
@@ -18,10 +18,8 @@ import io.github.wulkanowy.services.sync.channels.NewMessagesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.rx2.rxCompletable
-import kotlinx.coroutines.rx2.rxSingle
 import javax.inject.Inject
 import kotlin.random.Random
 
@@ -32,13 +30,13 @@ class MessageWork @Inject constructor(
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxSingle { messageRepository.getMessages(student, semester, RECEIVED, true, preferencesRepository.isNotificationsEnable).waitForResult() }
-            .flatMap { rxSingle { messageRepository.getNotNotifiedMessages(student).first() } }
-            .flatMapCompletable {
-                if (it.isNotEmpty()) notify(it)
-                rxCompletable { messageRepository.updateMessages(it.onEach { message -> message.isNotified = true }) }
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        messageRepository.getMessages(student, semester, RECEIVED, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        messageRepository.getNotNotifiedMessages(student).first().let {
+            if (it.isNotEmpty()) notify(it)
+            messageRepository.updateMessages(it.onEach { message -> message.isNotified = true })
+        }
     }
 
     private fun notify(messages: List<Message>) {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
index 029c9f98a..2cd9d549a 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/NoteWork.kt
@@ -17,10 +17,8 @@ import io.github.wulkanowy.services.sync.channels.NewNotesChannel
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.getCompatColor
-import io.reactivex.Completable
+import io.github.wulkanowy.utils.waitForResult
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.rx2.rxCompletable
-import kotlinx.coroutines.rx2.rxSingle
 import javax.inject.Inject
 import kotlin.random.Random
 
@@ -31,13 +29,13 @@ class NoteWork @Inject constructor(
     private val preferencesRepository: PreferencesRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxSingle { noteRepository.getNotes(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult() }
-            .flatMap { rxSingle { noteRepository.getNotNotifiedNotes(student).first() } }
-            .flatMapCompletable {
-                if (it.isNotEmpty()) notify(it)
-                rxCompletable { noteRepository.updateNotes(it.onEach { note -> note.isNotified = true }) }
-            }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        noteRepository.getNotes(student, semester, true, preferencesRepository.isNotificationsEnable).waitForResult()
+
+        noteRepository.getNotNotifiedNotes(student).first().let {
+            if (it.isNotEmpty()) notify(it)
+            noteRepository.updateNotes(it.onEach { note -> note.isNotified = true })
+        }
     }
 
     private fun notify(notes: List<Note>) {
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
index 2a53e51ba..c433c0ac8 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/RecipientWork.kt
@@ -4,9 +4,6 @@ import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.recipient.RecipientRepository
 import io.github.wulkanowy.data.repositories.reportingunit.ReportingUnitRepository
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
-import kotlinx.coroutines.rx2.rxSingle
 import javax.inject.Inject
 
 class RecipientWork @Inject constructor(
@@ -14,14 +11,13 @@ class RecipientWork @Inject constructor(
     private val recipientRepository: RecipientRepository
 ) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxSingle { reportingUnitRepository.refreshReportingUnits(student) }
-            .flatMap { rxSingle { reportingUnitRepository.getReportingUnits(student) } }
-            .flatMapCompletable { units ->
-                Completable.mergeDelayError(units.map {
-                    rxCompletable { recipientRepository.refreshRecipients(student, 2, it) }
-                })
+    override suspend fun doWork(student: Student, semester: Semester) {
+        reportingUnitRepository.refreshReportingUnits(student)
+
+        reportingUnitRepository.getReportingUnits(student).let { units ->
+            units.map {
+                recipientRepository.refreshRecipients(student, 2, it)
             }
+        }
     }
 }
-
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt
index 9954db314..a9abdaa72 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/TeacherWork.kt
@@ -3,13 +3,12 @@ package io.github.wulkanowy.services.sync.works
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.teacher.TeacherRepository
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import javax.inject.Inject
 
 class TeacherWork @Inject constructor(private val teacherRepository: TeacherRepository) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { teacherRepository.getTeachers(student, semester, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        teacherRepository.getTeachers(student, semester, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
index 0832eb4da..3b8c6f5dc 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/TimetableWork.kt
@@ -5,14 +5,15 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.utils.monday
 import io.github.wulkanowy.utils.sunday
-import io.reactivex.Completable
-import kotlinx.coroutines.rx2.rxCompletable
+import io.github.wulkanowy.utils.waitForResult
 import java.time.LocalDate.now
 import javax.inject.Inject
 
-class TimetableWork @Inject constructor(private val timetableRepository: TimetableRepository) : Work {
+class TimetableWork @Inject constructor(
+    private val timetableRepository: TimetableRepository
+) : Work {
 
-    override fun create(student: Student, semester: Semester): Completable {
-        return rxCompletable { timetableRepository.getTimetable(student, semester, now().monday, now().sunday, true).waitForResult() }
+    override suspend fun doWork(student: Student, semester: Semester) {
+        timetableRepository.getTimetable(student, semester, now().monday, now().sunday, true).waitForResult()
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt b/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
index 8dc0b98d2..c41f41ce2 100644
--- a/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/sync/works/Work.kt
@@ -1,19 +1,9 @@
 package io.github.wulkanowy.services.sync.works
 
-import io.github.wulkanowy.data.Resource
-import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.entities.Semester
 import io.github.wulkanowy.data.db.entities.Student
-import io.reactivex.Completable
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.flow.takeWhile
 
 interface Work {
 
-    fun create(student: Student, semester: Semester): Completable
-
-    suspend fun <T> Flow<Resource<T>>.waitForResult() = takeWhile {
-        it.status == Status.LOADING
-    }.collect()
+    suspend fun doWork(student: Student, semester: Semester)
 }
diff --git a/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt b/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
index e5ccf963c..a3b9da95e 100644
--- a/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
+++ b/app/src/main/java/io/github/wulkanowy/services/widgets/TimetableWidgetService.kt
@@ -9,7 +9,7 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetFactory
-import io.github.wulkanowy.utils.SchedulersProvider
+import timber.log.Timber
 import javax.inject.Inject
 
 class TimetableWidgetService : RemoteViewsService() {
@@ -29,11 +29,9 @@ class TimetableWidgetService : RemoteViewsService() {
     @Inject
     lateinit var sharedPref: SharedPrefProvider
 
-    @Inject
-    lateinit var schedulers: SchedulersProvider
-
     override fun onGetViewFactory(intent: Intent?): RemoteViewsFactory {
         AndroidInjection.inject(this)
-        return TimetableWidgetFactory(timetableRepo, studentRepo, semesterRepo, prefRepository, sharedPref, schedulers, applicationContext, intent)
+        Timber.d("TimetableWidgetFactory created")
+        return TimetableWidgetFactory(timetableRepo, studentRepo, semesterRepo, prefRepository, sharedPref, applicationContext, intent)
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
index b0fc0f6bc..aec524259 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/base/BasePresenter.kt
@@ -2,9 +2,7 @@ package io.github.wulkanowy.ui.base
 
 import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
-import io.reactivex.disposables.CompositeDisposable
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -16,8 +14,7 @@ import kotlin.coroutines.CoroutineContext
 
 open class BasePresenter<T : BaseView>(
     protected val errorHandler: ErrorHandler,
-    protected val studentRepository: StudentRepository,
-    protected val schedulers: SchedulersProvider
+    protected val studentRepository: StudentRepository
 ) : CoroutineScope {
 
     private var job: Job = Job()
@@ -27,9 +24,6 @@ open class BasePresenter<T : BaseView>(
     override val coroutineContext: CoroutineContext
         get() = Dispatchers.Main + job
 
-    @Deprecated("Use flow instead :)")
-    val disposable = CompositeDisposable()
-
     var view: T? = null
 
     open fun onAttachView(view: T) {
@@ -83,7 +77,6 @@ open class BasePresenter<T : BaseView>(
 
     open fun onDetachView() {
         view = null
-        disposable.clear()
         job.cancel()
         errorHandler.clear()
     }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
index ee892adfc..24e59d36b 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/AboutPresenter.kt
@@ -5,17 +5,15 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class AboutPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val appInfo: AppInfo,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AboutView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<AboutView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AboutView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt
index c2238de7c..c1fe1e118 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/contributor/ContributorPresenter.kt
@@ -6,17 +6,15 @@ import io.github.wulkanowy.data.repositories.appcreator.AppCreatorRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import javax.inject.Inject
 
 class ContributorPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val appCreatorRepository: AppCreatorRepository
-) : BasePresenter<ContributorView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<ContributorView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: ContributorView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
index ec1ad8a4c..18d257eed 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/license/LicensePresenter.kt
@@ -6,7 +6,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.DispatchersProvider
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
@@ -15,11 +14,10 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class LicensePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     private val dispatchers: DispatchersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<LicenseView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LicenseView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: LicenseView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt
index 50df763aa..85eae8e6e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/about/logviewer/LogViewerPresenter.kt
@@ -5,18 +5,16 @@ import io.github.wulkanowy.data.repositories.logger.LoggerRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class LogViewerPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val loggerRepository: LoggerRepository
-) : BasePresenter<LogViewerView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LogViewerView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: LogViewerView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
index 402394170..8751e5233 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/account/AccountPresenter.kt
@@ -6,7 +6,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
@@ -14,11 +13,10 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class AccountPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val syncManager: SyncManager
-) : BasePresenter<AccountView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<AccountView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: AccountView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
index c5002c8b8..158f08ba3 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/AttendancePresenter.kt
@@ -10,7 +10,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -30,14 +29,13 @@ import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class AttendancePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val attendanceRepository: AttendanceRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AttendanceView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<AttendanceView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().previousOrSameSchoolDay
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
index b5d8538fa..e5dce9ac8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/attendance/summary/AttendanceSummaryPresenter.kt
@@ -9,7 +9,6 @@ import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,14 +17,13 @@ import java.time.Month
 import javax.inject.Inject
 
 class AttendanceSummaryPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val attendanceSummaryRepository: AttendanceSummaryRepository,
     private val subjectRepository: SubjectRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<AttendanceSummaryView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
index a5c6e8519..f63316a8d 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/exam/ExamPresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -27,13 +26,12 @@ import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class ExamPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val examRepository: ExamRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<ExamView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<ExamView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
index 9dc39d85c..d4c9f210a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/GradePresenter.kt
@@ -7,7 +7,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.getCurrentOrLast
 import kotlinx.coroutines.delay
@@ -16,12 +15,11 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class GradePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<GradeView>(errorHandler, studentRepository) {
 
     var selectedIndex = 0
         private set
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
index 5845d32c1..a36517938 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/details/GradeDetailsPresenter.kt
@@ -11,7 +11,6 @@ import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -21,7 +20,6 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class GradeDetailsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val gradeRepository: GradeRepository,
@@ -29,7 +27,7 @@ class GradeDetailsPresenter @Inject constructor(
     private val preferencesRepository: PreferencesRepository,
     private val averageProvider: GradeAverageProvider,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<GradeDetailsView>(errorHandler, studentRepository) {
 
     private var newGradesAmount: Int = 0
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
index eb6ae8433..112f4c582 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/statistics/GradeStatisticsPresenter.kt
@@ -10,7 +10,6 @@ import io.github.wulkanowy.data.repositories.subject.SubjectRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -18,7 +17,6 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class GradeStatisticsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val gradeStatisticsRepository: GradeStatisticsRepository,
@@ -26,7 +24,7 @@ class GradeStatisticsPresenter @Inject constructor(
     private val semesterRepository: SemesterRepository,
     private val preferencesRepository: PreferencesRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<GradeStatisticsView>(errorHandler, studentRepository) {
 
     private var subjects = emptyList<Subject>()
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
index 96908c3c6..9484d8b77 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/grade/summary/GradeSummaryPresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.grade.GradeAverageProvider
 import io.github.wulkanowy.ui.modules.grade.GradeDetailsWithAverage
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -16,12 +15,11 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class GradeSummaryPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val averageProvider: GradeAverageProvider,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<GradeSummaryView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
index cf38d9c2b..8af0d83f6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/HomeworkPresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -26,13 +25,12 @@ import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class HomeworkPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<HomeworkView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<HomeworkView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = LocalDate.now().nextOrSameSchoolDay
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
index 2ca7a1f88..a53d38e86 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/homework/details/HomeworkDetailsPresenter.kt
@@ -7,19 +7,17 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class HomeworkDetailsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val homeworkRepository: HomeworkRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<HomeworkDetailsView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: HomeworkDetailsView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
index 16342de4f..8ff7e6fe6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/LoginPresenter.kt
@@ -4,15 +4,13 @@ import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class LoginPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<LoginView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: LoginView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
index 8f187ac83..f5c30c517 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/advanced/LoginAdvancedPresenter.kt
@@ -7,7 +7,6 @@ import io.github.wulkanowy.sdk.Sdk
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -16,11 +15,10 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class LoginAdvancedPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginAdvancedView>(loginErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginAdvancedView>(loginErrorHandler, studentRepository) {
 
     override fun onAttachView(view: LoginAdvancedView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
index 9e43bf77a..b921140c7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenter.kt
@@ -5,7 +5,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -14,11 +13,10 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class LoginFormPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginFormView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
index 0ef183ccf..1d509e1bb 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/recover/LoginRecoverPresenter.kt
@@ -5,7 +5,6 @@ import io.github.wulkanowy.data.repositories.recover.RecoverRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -14,12 +13,11 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class LoginRecoverPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: RecoverErrorHandler,
     private val analytics: FirebaseAnalyticsHelper,
     private val recoverRepository: RecoverRepository
-) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginRecoverView>(loginErrorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
index 99ee7d30b..76e0693f5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenter.kt
@@ -6,7 +6,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
 import kotlinx.coroutines.flow.onEach
@@ -15,11 +14,10 @@ import java.io.Serializable
 import javax.inject.Inject
 
 class LoginStudentSelectPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val loginErrorHandler: LoginErrorHandler,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginStudentSelectView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
index c0f5803f9..a2cda4fc1 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/login/symbol/LoginSymbolPresenter.kt
@@ -5,7 +5,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.ifNullOrBlank
@@ -16,10 +15,9 @@ import javax.inject.Inject
 
 class LoginSymbolPresenter @Inject constructor(
     studentRepository: StudentRepository,
-    schedulers: SchedulersProvider,
     private val loginErrorHandler: LoginErrorHandler,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<LoginSymbolView>(loginErrorHandler, studentRepository) {
 
     private var lastError: Throwable? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
index 64df3db8a..90aea441e 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumber/LuckyNumberPresenter.kt
@@ -6,7 +6,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -14,12 +13,11 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class LuckyNumberPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val luckyNumberRepository: LuckyNumberRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LuckyNumberView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
index 5bcdc8a1b..32196ee29 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetConfigurePresenter.kt
@@ -8,18 +8,16 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getStudentWidgetKey
 import io.github.wulkanowy.ui.modules.luckynumberwidget.LuckyNumberWidgetProvider.Companion.getThemeWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class LuckyNumberWidgetConfigurePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val sharedPref: SharedPrefProvider
-) : BasePresenter<LuckyNumberWidgetConfigureView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<LuckyNumberWidgetConfigureView>(errorHandler, studentRepository) {
 
     private var appWidgetId: Int? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
index cf8395f3d..3daaaaf66 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/luckynumberwidget/LuckyNumberWidgetProvider.kt
@@ -15,20 +15,14 @@ import android.view.View.VISIBLE
 import android.widget.RemoteViews
 import dagger.android.AndroidInjection
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.SharedPrefProvider
-import io.github.wulkanowy.data.db.entities.LuckyNumber
 import io.github.wulkanowy.data.exceptions.NoCurrentStudentException
 import io.github.wulkanowy.data.repositories.luckynumber.LuckyNumberRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Maybe
-import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.takeWhile
-import kotlinx.coroutines.rx2.rxMaybe
-import kotlinx.coroutines.rx2.rxSingle
+import io.github.wulkanowy.utils.toFirstResult
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import javax.inject.Inject
 
@@ -40,12 +34,6 @@ class LuckyNumberWidgetProvider : AppWidgetProvider() {
     @Inject
     lateinit var luckyNumberRepository: LuckyNumberRepository
 
-    @Inject
-    lateinit var schedulers: SchedulersProvider
-
-    @Inject
-    lateinit var appWidgetManager: AppWidgetManager
-
     @Inject
     lateinit var sharedPref: SharedPrefProvider
 
@@ -142,27 +130,23 @@ class LuckyNumberWidgetProvider : AppWidgetProvider() {
         return n - 1
     }
 
-    private fun getLuckyNumber(studentId: Long, appWidgetId: Int): LuckyNumber? {
-        return try {
-            rxSingle { studentRepository.isStudentSaved() }
-                .filter { true }
-                .flatMap { rxMaybe { studentRepository.getSavedStudents() } }
-                .flatMap { students ->
-                    val student = students.singleOrNull { student -> student.id == studentId }
-                    when {
-                        student != null -> Maybe.just(student)
-                        studentId != 0L -> {
-                            rxSingle { studentRepository.isCurrentStudentSet() }
-                                .filter { true }
-                                .flatMap { rxMaybe { studentRepository.getCurrentStudent(false) } }
-                                .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                        }
-                        else -> Maybe.empty()
+    private fun getLuckyNumber(studentId: Long, appWidgetId: Int) = runBlocking {
+        try {
+            val students = studentRepository.getSavedStudents()
+            val student = students.singleOrNull { student -> student.id == studentId }
+            val currentStudent = when {
+                student != null -> student
+                studentId != 0L && studentRepository.isCurrentStudentSet() -> {
+                    studentRepository.getCurrentStudent(false).also {
+                        sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id)
                     }
                 }
-                .flatMap { rxMaybe { luckyNumberRepository.getLuckyNumber(it, false).takeWhile { it.status == Status.LOADING }.first().data } }
-                .subscribeOn(schedulers.backgroundThread)
-                .blockingGet()
+                else -> null
+            }
+
+            currentStudent?.let {
+                luckyNumberRepository.getLuckyNumber(it, false).toFirstResult().data
+            }
         } catch (e: Exception) {
             if (e.cause !is NoCurrentStudentException) {
                 Timber.e(e, "An error has occurred in lucky number provider")
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
index 233d44917..8d5c9d67f 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/main/MainPresenter.kt
@@ -9,18 +9,16 @@ import io.github.wulkanowy.ui.modules.main.MainView.Section.GRADE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.MESSAGE
 import io.github.wulkanowy.ui.modules.main.MainView.Section.SCHOOL
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class MainPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val prefRepository: PreferencesRepository,
     private val syncManager: SyncManager,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MainView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MainView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: MainView, initMenu: MainView.Section?) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
index ea482c623..0fb454b31 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/MessagePresenter.kt
@@ -3,17 +3,15 @@ package io.github.wulkanowy.ui.modules.message
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
 class MessagePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<MessageView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MessageView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MessageView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
index 4d3b83f1b..39437fe45 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/preview/MessagePreviewPresenter.kt
@@ -11,7 +11,6 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -21,13 +20,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class MessagePreviewPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
     private val analytics: FirebaseAnalyticsHelper,
     private var appInfo: AppInfo
-) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MessagePreviewView>(errorHandler, studentRepository) {
 
     var message: Message? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
index c31fd79a7..f877c8096 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/send/SendMessagePresenter.kt
@@ -12,7 +12,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.toFormattedString
@@ -21,7 +20,6 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class SendMessagePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
@@ -30,7 +28,7 @@ class SendMessagePresenter @Inject constructor(
     private val recipientRepository: RecipientRepository,
     private val preferencesRepository: PreferencesRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<SendMessageView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<SendMessageView>(errorHandler, studentRepository) {
 
     fun onAttachView(view: SendMessageView, message: Message?, reply: Boolean?) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
index 3c9f04447..0d5bb2a6c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/message/tab/MessageTabPresenter.kt
@@ -9,7 +9,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.toFormattedString
@@ -28,13 +27,12 @@ import javax.inject.Inject
 import kotlin.math.pow
 
 class MessageTabPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val messageRepository: MessageRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MessageTabView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MessageTabView>(errorHandler, studentRepository) {
 
     lateinit var folder: MessageFolder
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
index e665a15bf..6314c2c31 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/MobileDevicePresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -18,13 +17,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class MobileDevicePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MobileDeviceView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MobileDeviceView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
index f5fb7db32..f6d0de992 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/mobiledevice/token/MobileDeviceTokenPresenter.kt
@@ -7,7 +7,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
@@ -15,13 +14,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class MobileDeviceTokenPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val mobileDeviceRepository: MobileDeviceRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<MobileDeviceTokenVIew>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MobileDeviceTokenVIew>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MobileDeviceTokenVIew) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
index 593645c19..6d80f4181 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/more/MorePresenter.kt
@@ -3,15 +3,13 @@ package io.github.wulkanowy.ui.modules.more
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import timber.log.Timber
 import javax.inject.Inject
 
 class MorePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<MoreView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<MoreView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: MoreView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
index 8e5661adc..db3b495a8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/note/NotePresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResource
 import io.github.wulkanowy.utils.flowWithResourceIn
@@ -18,13 +17,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class NotePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val noteRepository: NoteRepository,
     private val semesterRepository: SemesterRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<NoteView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<NoteView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt
index 324f2c37b..305f4e7d5 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/SchoolAndTeachersPresenter.kt
@@ -3,17 +3,15 @@ package io.github.wulkanowy.ui.modules.schoolandteachers
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import timber.log.Timber
 import javax.inject.Inject
 
 class SchoolAndTeachersPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<SchoolAndTeachersView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<SchoolAndTeachersView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: SchoolAndTeachersView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
index 9c10c6ed7..4cda5d33c 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/school/SchoolPresenter.kt
@@ -7,7 +7,6 @@ import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -15,13 +14,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class SchoolPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val schoolRepository: SchoolRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<SchoolView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<SchoolView>(errorHandler, studentRepository) {
 
     private var address: String? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
index 886f5c689..ff02116b9 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/schoolandteachers/teacher/TeacherPresenter.kt
@@ -7,7 +7,6 @@ import io.github.wulkanowy.data.repositories.teacher.TeacherRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import kotlinx.coroutines.flow.onEach
@@ -15,13 +14,12 @@ import timber.log.Timber
 import javax.inject.Inject
 
 class TeacherPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val semesterRepository: SemesterRepository,
     private val teacherRepository: TeacherRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<TeacherView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<TeacherView>(errorHandler, studentRepository) {
 
     private lateinit var lastError: Throwable
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
index ea2b21222..f9e6731f9 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/settings/SettingsPresenter.kt
@@ -10,14 +10,14 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.AppInfo
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.isHolidays
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import java.time.LocalDate.now
 import javax.inject.Inject
 
 class SettingsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val preferencesRepository: PreferencesRepository,
@@ -26,7 +26,7 @@ class SettingsPresenter @Inject constructor(
     private val syncManager: SyncManager,
     private val chuckerCollector: ChuckerCollector,
     private val appInfo: AppInfo
-) : BasePresenter<SettingsView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<SettingsView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: SettingsView) {
         super.onAttachView(view)
@@ -64,31 +64,27 @@ class SettingsPresenter @Inject constructor(
 
     fun onForceSyncDialogSubmit() {
         view?.run {
-            val successString = syncSuccessString
-            val failedString = syncFailedString
-            disposable.add(syncManager.startOneTimeSyncWorker()
-                .doOnSubscribe {
-                    setSyncInProgress(true)
-                    Timber.i("Setting sync now started")
-                    analytics.logEvent("sync_now", "status" to "started")
-                }
-                .doFinally { setSyncInProgress(false) }
-                .subscribe({ workInfo ->
-                    when (workInfo.state) {
-                        WorkInfo.State.SUCCEEDED -> {
-                            showMessage(successString)
-                            analytics.logEvent("sync_now", "status" to "success")
-                        }
-                        WorkInfo.State.FAILED -> {
-                            showError(failedString, Throwable(workInfo.outputData.getString("error")))
-                            analytics.logEvent("sync_now", "status" to "failed")
-                        }
-                        else -> Timber.d("Sync now state: ${workInfo.state}")
+            syncManager.startOneTimeSyncWorker().onEach { workInfo ->
+                when (workInfo.state) {
+                    WorkInfo.State.ENQUEUED -> {
+                        setSyncInProgress(true)
+                        Timber.i("Setting sync now started")
+                        analytics.logEvent("sync_now", "status" to "started")
                     }
-                }, {
-                    Timber.e(it, "Sync now failed")
-                })
-            )
+                    WorkInfo.State.SUCCEEDED -> {
+                        showMessage(syncSuccessString)
+                        analytics.logEvent("sync_now", "status" to "success")
+                    }
+                    WorkInfo.State.FAILED -> {
+                        showError(syncFailedString, Throwable(workInfo.outputData.getString("error")))
+                        analytics.logEvent("sync_now", "status" to "failed")
+                    }
+                    else -> Timber.d("Sync now state: ${workInfo.state}")
+                }
+                if (workInfo.state.isFinished) setSyncInProgress(false)
+            }.catch {
+                Timber.e(it, "Sync now failed")
+            }.launch("sync")
         }
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
index 7ffbf41af..d16ca4a80 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/splash/SplashPresenter.kt
@@ -4,17 +4,15 @@ import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class SplashPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository
-) : BasePresenter<SplashView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<SplashView>(errorHandler, studentRepository) {
 
     override fun onAttachView(view: SplashView) {
         super.onAttachView(view)
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
index 2e232381b..e410eeb95 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/TimetablePresenter.kt
@@ -10,7 +10,6 @@ import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -30,14 +29,13 @@ import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class TimetablePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val timetableRepository: TimetableRepository,
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<TimetableView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<TimetableView>(errorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
index eedd4c25a..f1c2cedc6 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetable/completed/CompletedLessonsPresenter.kt
@@ -8,7 +8,6 @@ import io.github.wulkanowy.data.repositories.semester.SemesterRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.afterLoading
 import io.github.wulkanowy.utils.flowWithResourceIn
 import io.github.wulkanowy.utils.getLastSchoolDayIfHoliday
@@ -27,13 +26,12 @@ import java.time.LocalDate.ofEpochDay
 import javax.inject.Inject
 
 class CompletedLessonsPresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     studentRepository: StudentRepository,
     private val completedLessonsErrorHandler: CompletedLessonsErrorHandler,
     private val semesterRepository: SemesterRepository,
     private val completedLessonsRepository: CompletedLessonsRepository,
     private val analytics: FirebaseAnalyticsHelper
-) : BasePresenter<CompletedLessonsView>(completedLessonsErrorHandler, studentRepository, schedulers) {
+) : BasePresenter<CompletedLessonsView>(completedLessonsErrorHandler, studentRepository) {
 
     private var baseDate: LocalDate = now().nextOrSameSchoolDay
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
index 28eef06e2..3bac1dac8 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetConfigurePresenter.kt
@@ -8,18 +8,16 @@ import io.github.wulkanowy.ui.base.BasePresenter
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getThemeWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.flowWithResource
 import kotlinx.coroutines.flow.onEach
 import timber.log.Timber
 import javax.inject.Inject
 
 class TimetableWidgetConfigurePresenter @Inject constructor(
-    schedulers: SchedulersProvider,
     errorHandler: ErrorHandler,
     studentRepository: StudentRepository,
     private val sharedPref: SharedPrefProvider
-) : BasePresenter<TimetableWidgetConfigureView>(errorHandler, studentRepository, schedulers) {
+) : BasePresenter<TimetableWidgetConfigureView>(errorHandler, studentRepository) {
 
     private var appWidgetId: Int? = null
 
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
index 1ab6757a0..d238b240a 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetFactory.kt
@@ -12,7 +12,6 @@ import android.widget.AdapterView.INVALID_POSITION
 import android.widget.RemoteViews
 import android.widget.RemoteViewsService
 import io.github.wulkanowy.R
-import io.github.wulkanowy.data.Status
 import io.github.wulkanowy.data.db.SharedPrefProvider
 import io.github.wulkanowy.data.db.entities.Timetable
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
@@ -22,14 +21,10 @@ import io.github.wulkanowy.data.repositories.timetable.TimetableRepository
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getCurrentThemeWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getDateWidgetKey
 import io.github.wulkanowy.ui.modules.timetablewidget.TimetableWidgetProvider.Companion.getStudentWidgetKey
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.getCompatColor
+import io.github.wulkanowy.utils.toFirstResult
 import io.github.wulkanowy.utils.toFormattedString
-import io.reactivex.Maybe
-import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.takeWhile
-import kotlinx.coroutines.rx2.rxMaybe
-import kotlinx.coroutines.rx2.rxSingle
+import kotlinx.coroutines.runBlocking
 import timber.log.Timber
 import java.time.LocalDate
 
@@ -39,7 +34,6 @@ class TimetableWidgetFactory(
     private val semesterRepository: SemesterRepository,
     private val prefRepository: PreferencesRepository,
     private val sharedPref: SharedPrefProvider,
-    private val schedulers: SchedulersProvider,
     private val context: Context,
     private val intent: Intent?
 ) : RemoteViewsService.RemoteViewsFactory {
@@ -74,7 +68,7 @@ class TimetableWidgetFactory(
             val studentId = sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0)
 
             updateTheme(appWidgetId)
-            updateLessons(date, studentId)
+            lessons = getLessons(date, studentId)
         }
     }
 
@@ -103,30 +97,23 @@ class TimetableWidgetFactory(
         }
     }
 
-    private fun updateLessons(date: LocalDate, studentId: Long) {
-        lessons = try {
-            rxSingle { studentRepository.isStudentSaved() }
-                .filter { true }
-                .flatMap { rxMaybe { studentRepository.getSavedStudents() } }
-                .flatMap {
-                    val student = it.singleOrNull { student -> student.id == studentId }
+    private fun getLessons(date: LocalDate, studentId: Long) = try {
+        runBlocking {
+            if (!studentRepository.isStudentSaved()) return@runBlocking emptyList<Timetable>()
 
-                    if (student != null) Maybe.just(student)
-                    else Maybe.empty()
-                }
-                .flatMap { student ->
-                    rxMaybe { semesterRepository.getCurrentSemester(student) }.flatMap { semester ->
-                        rxMaybe { timetableRepository.getTimetable(student, semester, date, date, true).takeWhile { it.status == Status.LOADING }.first().data }
-                    }
-                }
-                .map { items -> items.sortedWith(compareBy({ it.number }, { !it.isStudentPlan })) }
-                .map { lessons -> lessons.filter { if (prefRepository.showWholeClassPlan == "no") it.isStudentPlan else true } }
-                .subscribeOn(schedulers.backgroundThread)
-                .blockingGet(emptyList())
-        } catch (e: Exception) {
-            Timber.e(e, "An error has occurred in timetable widget factory")
-            emptyList()
+            val students = studentRepository.getSavedStudents()
+            val student = students.singleOrNull { student -> student.id == studentId }
+                ?: return@runBlocking emptyList<Timetable>()
+
+            val semester = semesterRepository.getCurrentSemester(student)
+            timetableRepository.getTimetable(student, semester, date, date, false)
+                .toFirstResult().data.orEmpty()
+                .sortedWith(compareBy({ it.number }, { !it.isStudentPlan }))
+                .filter { if (prefRepository.showWholeClassPlan == "no") it.isStudentPlan else true }
         }
+    } catch (e: Exception) {
+        Timber.e(e, "An error has occurred in timetable widget factory")
+        emptyList<Timetable>()
     }
 
     @SuppressLint("DefaultLocale")
diff --git a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
index 4c4cc868d..426f6cdd7 100644
--- a/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
+++ b/app/src/main/java/io/github/wulkanowy/ui/modules/timetablewidget/TimetableWidgetProvider.kt
@@ -25,14 +25,12 @@ import io.github.wulkanowy.services.widgets.TimetableWidgetService
 import io.github.wulkanowy.ui.modules.main.MainActivity
 import io.github.wulkanowy.ui.modules.main.MainView
 import io.github.wulkanowy.utils.FirebaseAnalyticsHelper
-import io.github.wulkanowy.utils.SchedulersProvider
 import io.github.wulkanowy.utils.nextOrSameSchoolDay
 import io.github.wulkanowy.utils.nextSchoolDay
 import io.github.wulkanowy.utils.previousSchoolDay
 import io.github.wulkanowy.utils.toFormattedString
-import io.reactivex.Maybe
-import kotlinx.coroutines.rx2.rxMaybe
-import kotlinx.coroutines.rx2.rxSingle
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 import timber.log.Timber
 import java.time.LocalDate
 import java.time.LocalDate.now
@@ -49,9 +47,6 @@ class TimetableWidgetProvider : BroadcastReceiver() {
     @Inject
     lateinit var sharedPref: SharedPrefProvider
 
-    @Inject
-    lateinit var schedulers: SchedulersProvider
-
     @Inject
     lateinit var analytics: FirebaseAnalyticsHelper
 
@@ -80,13 +75,15 @@ class TimetableWidgetProvider : BroadcastReceiver() {
 
     override fun onReceive(context: Context, intent: Intent) {
         AndroidInjection.inject(this, context)
-        when (intent.action) {
-            ACTION_APPWIDGET_UPDATE -> onUpdate(context, intent)
-            ACTION_APPWIDGET_DELETED -> onDelete(intent)
+        GlobalScope.launch {
+            when (intent.action) {
+                ACTION_APPWIDGET_UPDATE -> onUpdate(context, intent)
+                ACTION_APPWIDGET_DELETED -> onDelete(intent)
+            }
         }
     }
 
-    private fun onUpdate(context: Context, intent: Intent) {
+    private suspend fun onUpdate(context: Context, intent: Intent) {
         if (intent.getStringExtra(EXTRA_BUTTON_TYPE) === null) {
             intent.getIntArrayExtra(EXTRA_APPWIDGET_IDS)?.forEach { appWidgetId ->
                 val student = getStudent(sharedPref.getLong(getStudentWidgetKey(appWidgetId), 0), appWidgetId)
@@ -170,8 +167,9 @@ class TimetableWidgetProvider : BroadcastReceiver() {
         }
 
         with(appWidgetManager) {
-            notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
             updateAppWidget(appWidgetId, remoteView)
+            notifyAppWidgetViewDataChanged(appWidgetId, R.id.timetableWidgetList)
+            Timber.d("TimetableWidgetProvider updated")
         }
     }
 
@@ -184,31 +182,22 @@ class TimetableWidgetProvider : BroadcastReceiver() {
             }, FLAG_UPDATE_CURRENT)
     }
 
-    private fun getStudent(studentId: Long, appWidgetId: Int): Student? {
-        return try {
-            rxSingle { studentRepository.isStudentSaved() }
-                .filter { true }
-                .flatMap { rxMaybe { studentRepository.getSavedStudents(false) } }
-                .flatMap { students ->
-                    val student = students.singleOrNull { student -> student.id == studentId }
-                    when {
-                        student != null -> Maybe.just(student)
-                        studentId != 0L -> {
-                            rxSingle { studentRepository.isCurrentStudentSet() }
-                                .filter { true }
-                                .flatMap { rxMaybe { studentRepository.getCurrentStudent(false) } }
-                                .doOnSuccess { sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id) }
-                        }
-                        else -> Maybe.empty()
-                    }
+    private suspend fun getStudent(studentId: Long, appWidgetId: Int) = try {
+        val students = studentRepository.getSavedStudents(false)
+        val student = students.singleOrNull { student -> student.id == studentId }
+        when {
+            student != null -> student
+            studentId != 0L && studentRepository.isCurrentStudentSet() -> {
+                studentRepository.getCurrentStudent(false).also {
+                    sharedPref.putLong(getStudentWidgetKey(appWidgetId), it.id)
                 }
-                .subscribeOn(schedulers.backgroundThread)
-                .blockingGet()
-        } catch (e: Exception) {
-            if (e.cause !is NoCurrentStudentException) {
-                Timber.e(e, "An error has occurred in timetable widget provider")
             }
-            null
+            else -> null
         }
+    } catch (e: Exception) {
+        if (e.cause !is NoCurrentStudentException) {
+            Timber.e(e, "An error has occurred in timetable widget provider")
+        }
+        null
     }
 }
diff --git a/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt b/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt
index 6551606ba..736a42709 100644
--- a/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt
+++ b/app/src/main/java/io/github/wulkanowy/utils/FlowUtils.kt
@@ -5,10 +5,12 @@ import io.github.wulkanowy.data.Status
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.emitAll
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.takeWhile
 
 inline fun <ResultType, RequestType> networkBoundResource(
     showSavedOnLoading: Boolean = true,
@@ -91,3 +93,7 @@ fun <T> flowWithResourceIn(block: suspend () -> Flow<Resource<T>>) = flow {
 fun <T> Flow<Resource<T>>.afterLoading(callback: () -> Unit) = onEach {
     if (it.status != Status.LOADING) callback()
 }
+
+suspend fun <T> Flow<Resource<T>>.toFirstResult() = filter { it.status != Status.LOADING }.first()
+
+suspend fun <T> Flow<Resource<T>>.waitForResult() = takeWhile { it.status == Status.LOADING }.collect()
diff --git a/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt b/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt
deleted file mode 100644
index e426d4d5d..000000000
--- a/app/src/main/java/io/github/wulkanowy/utils/SchedulersProvider.kt
+++ /dev/null
@@ -1,14 +0,0 @@
-package io.github.wulkanowy.utils
-
-import io.reactivex.Scheduler
-import io.reactivex.android.schedulers.AndroidSchedulers
-import io.reactivex.schedulers.Schedulers
-
-open class SchedulersProvider {
-
-    open val mainThread: Scheduler
-        get() = AndroidSchedulers.mainThread()
-
-    open val backgroundThread: Scheduler
-        get() = Schedulers.io()
-}
diff --git a/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt b/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt
deleted file mode 100644
index 8c52d7b37..000000000
--- a/app/src/test/java/io/github/wulkanowy/TestSchedulersProvider.kt
+++ /dev/null
@@ -1,15 +0,0 @@
-package io.github.wulkanowy
-
-import io.github.wulkanowy.utils.SchedulersProvider
-import io.reactivex.Scheduler
-import io.reactivex.schedulers.Schedulers
-
-class TestSchedulersProvider : SchedulersProvider() {
-
-    override val backgroundThread: Scheduler
-        get() = Schedulers.trampoline()
-
-    override val mainThread: Scheduler
-        get() = Schedulers.trampoline()
-}
-
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
index 921b32eda..4f32cf7eb 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/LoginPresenterTest.kt
@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.login
 
-import io.github.wulkanowy.TestSchedulersProvider
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.mockk.MockKAnnotations
 import io.mockk.clearMocks
@@ -29,7 +28,7 @@ class LoginPresenterTest {
         MockKAnnotations.init(this)
         clearMocks(loginView)
 
-        presenter = LoginPresenter(TestSchedulersProvider(), errorHandler, studentRepository)
+        presenter = LoginPresenter(errorHandler, studentRepository)
         presenter.onAttachView(loginView)
     }
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
index 32c6a74e5..d6f58ef83 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/form/LoginFormPresenterTest.kt
@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.login.form
 
 import io.github.wulkanowy.MainCoroutineRule
-import io.github.wulkanowy.TestSchedulersProvider
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
@@ -52,7 +51,7 @@ class LoginFormPresenterTest {
         every { loginFormView.setErrorPassRequired(any()) } just Runs
         every { loginFormView.setErrorUsernameRequired() } just Runs
 
-        presenter = LoginFormPresenter(TestSchedulersProvider(), repository, errorHandler, analytics)
+        presenter = LoginFormPresenter(repository, errorHandler, analytics)
         presenter.onAttachView(loginFormView)
     }
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
index 8176fc2e6..46ae8a613 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/login/studentselect/LoginStudentSelectPresenterTest.kt
@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.login.studentselect
 
 import io.github.wulkanowy.MainCoroutineRule
-import io.github.wulkanowy.TestSchedulersProvider
 import io.github.wulkanowy.data.db.entities.Student
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.modules.login.LoginErrorHandler
@@ -53,7 +52,7 @@ class LoginStudentSelectPresenterTest {
         every { loginStudentSelectView.showProgress(any()) } just Runs
         every { loginStudentSelectView.showContent(any()) } just Runs
 
-        presenter = LoginStudentSelectPresenter(TestSchedulersProvider(), studentRepository, errorHandler, analytics)
+        presenter = LoginStudentSelectPresenter(studentRepository, errorHandler, analytics)
         presenter.onAttachView(loginStudentSelectView, null)
     }
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
index 5b0408c35..fc2832b2e 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/main/MainPresenterTest.kt
@@ -1,6 +1,5 @@
 package io.github.wulkanowy.ui.modules.main
 
-import io.github.wulkanowy.TestSchedulersProvider
 import io.github.wulkanowy.data.repositories.preferences.PreferencesRepository
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.services.sync.SyncManager
@@ -48,7 +47,7 @@ class MainPresenterTest {
         every { mainView.startMenuIndex } returns 1
         every { mainView.startMenuMoreIndex } returns 1
         every { mainView.initView() } just Runs
-        presenter = MainPresenter(TestSchedulersProvider(), errorHandler, studentRepository, prefRepository, syncManager, analytics)
+        presenter = MainPresenter(errorHandler, studentRepository, prefRepository, syncManager, analytics)
         presenter.onAttachView(mainView, null)
     }
 
diff --git a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
index eb4ac6386..a81f1abd9 100644
--- a/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
+++ b/app/src/test/java/io/github/wulkanowy/ui/modules/splash/SplashPresenterTest.kt
@@ -1,7 +1,6 @@
 package io.github.wulkanowy.ui.modules.splash
 
 import io.github.wulkanowy.MainCoroutineRule
-import io.github.wulkanowy.TestSchedulersProvider
 import io.github.wulkanowy.data.repositories.student.StudentRepository
 import io.github.wulkanowy.ui.base.ErrorHandler
 import io.mockk.MockKAnnotations
@@ -31,7 +30,7 @@ class SplashPresenterTest {
     @Before
     fun setUp() {
         MockKAnnotations.init(this)
-        presenter = SplashPresenter(TestSchedulersProvider(), errorHandler, studentRepository)
+        presenter = SplashPresenter(errorHandler, studentRepository)
     }
 
     @Test