Refactor tracker

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -135,7 +135,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getEnumValue(KEY_ZOOM_MODE, ZoomMode.FIT_CENTER)
 
 	val trackSources: Set<String>
-		get() = prefs.getStringSet(KEY_TRACK_SOURCES, null) ?: arraySetOf(TRACK_FAVOURITES, TRACK_HISTORY)
+		get() = prefs.getStringSet(KEY_TRACK_SOURCES, null) ?: setOf(TRACK_FAVOURITES)
 
 	var appPassword: String?
 		get() = prefs.getString(KEY_APP_PASSWORD, null)

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Android.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.util.ext
 
+import android.Manifest
 import android.annotation.SuppressLint
 import android.app.Activity
 import android.app.ActivityManager
@@ -13,6 +14,7 @@ import android.content.ContextWrapper
 import android.content.OperationApplicationException
 import android.content.SharedPreferences
 import android.content.SyncResult
+import android.content.pm.PackageManager
 import android.content.pm.ResolveInfo
 import android.database.SQLException
 import android.graphics.Color
@@ -28,6 +30,8 @@ import android.widget.Toast
 import androidx.activity.result.ActivityResultLauncher
 import androidx.annotation.IntegerRes
 import androidx.core.app.ActivityOptionsCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.ContextCompat
 import androidx.core.os.LocaleListCompat
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.coroutineScope
@@ -220,3 +224,9 @@ inline fun Activity.catchingWebViewUnavailability(block: () -> Unit): Boolean {
 		}
 	}
 }
+
+fun Context.checkNotificationPermission(): Boolean = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+	ContextCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED
+} else {
+	NotificationManagerCompat.from(this).areNotificationsEnabled()
+}

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/Tracker.kt

@@ -25,7 +25,7 @@ class Tracker @Inject constructor(
 		if (sources.isEmpty()) {
 			return emptyList()
 		}
-		val knownIds = HashSet<Manga>()
+		val knownManga = HashSet<Long>()
 		val result = ArrayList<TrackingItem>()
 		// Favourites
 		if (AppSettings.TRACK_FAVOURITES in sources) {
@@ -42,7 +42,7 @@ class Tracker @Inject constructor(
 					null
 				}
 				for (track in categoryTracks) {
-					if (knownIds.add(track.manga)) {
+					if (knownManga.add(track.manga.id)) {
 						result.add(TrackingItem(track, channelId))
 					}
 				}
@@ -58,7 +58,7 @@ class Tracker @Inject constructor(
 				null
 			}
 			for (track in historyTracks) {
-				if (knownIds.add(track.manga)) {
+				if (knownManga.add(track.manga.id)) {
 					result.add(TrackingItem(track, channelId))
 				}
 			}

app/src/main/kotlin/org/koitharu/kotatsu/tracker/work/TrackWorker.kt

@@ -1,6 +1,5 @@
 package org.koitharu.kotatsu.tracker.work
 
-import android.annotation.SuppressLint
 import android.app.PendingIntent
 import android.content.Context
 import android.os.Build
@@ -34,11 +33,11 @@ import dagger.Reusable
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import kotlinx.coroutines.NonCancellable
-import kotlinx.coroutines.async
-import kotlinx.coroutines.awaitAll
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
 import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.supervisorScope
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Semaphore
 import kotlinx.coroutines.sync.withPermit
 import kotlinx.coroutines.withContext
@@ -49,6 +48,7 @@ import org.koitharu.kotatsu.core.logs.FileLogger
 import org.koitharu.kotatsu.core.logs.TrackerLogger
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.awaitUniqueWorkInfoByName
+import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
 import org.koitharu.kotatsu.core.util.ext.toBitmapOrNull
 import org.koitharu.kotatsu.core.util.ext.trySetForeground
 import org.koitharu.kotatsu.details.ui.DetailsActivity
@@ -70,6 +70,7 @@ class TrackWorker @AssistedInject constructor(
 	private val tracker: Tracker,
 	@TrackerLogger private val logger: FileLogger,
 ) : CoroutineWorker(context, workerParams) {
+
 	private val notificationManager by lazy { NotificationManagerCompat.from(applicationContext) }
 
 	override suspend fun doWork(): Result {
@@ -121,10 +122,11 @@ class TrackWorker @AssistedInject constructor(
 
 	private suspend fun checkUpdatesAsync(tracks: List<TrackingItem>): List<MangaUpdates?> {
 		val semaphore = Semaphore(MAX_PARALLELISM)
-		return supervisorScope {
-			tracks.map { (track, channelId) ->
-				async {
+		return channelFlow {
+			for ((track, channelId) in tracks) {
+				launch {
 					semaphore.withPermit {
+						send(
 							runCatchingCancellable {
 								tracker.fetchUpdates(track, commit = true)
 							}.onFailure { e ->
@@ -140,16 +142,16 @@ class TrackWorker @AssistedInject constructor(
 										newChapters = updates.newChapters,
 									)
 								}
-						}.getOrNull()
+							}.getOrNull(),
+						)
 					}
 				}
-			}.awaitAll()
 			}
+		}.toList(ArrayList(tracks.size))
 	}
 
-	@SuppressLint("MissingPermission")
 	private suspend fun showNotification(manga: Manga, channelId: String?, newChapters: List<MangaChapter>) {
-		if (newChapters.isEmpty() || channelId == null || !notificationManager.areNotificationsEnabled()) {
+		if (newChapters.isEmpty() || channelId == null || !applicationContext.checkNotificationPermission()) {
 			return
 		}
 		val id = manga.url.hashCode()