Option to automatically clean read chapters

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

@@ -424,6 +424,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isStatsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_STATS_ENABLED, false)
 
+	val isAutoLocalChaptersCleanupEnabled: Boolean
+		get() = prefs.getBoolean(KEY_CHAPTERS_CLEAR_AUTO, false)
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -508,6 +511,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_HTTP_CACHE_CLEAR = "http_cache_clear"
 		const val KEY_COOKIES_CLEAR = "cookies_clear"
 		const val KEY_CHAPTERS_CLEAR = "chapters_clear"
+		const val KEY_CHAPTERS_CLEAR_AUTO = "chapters_clear_auto"
 		const val KEY_THUMBS_CACHE_CLEAR = "thumbs_cache_clear"
 		const val KEY_SEARCH_HISTORY_CLEAR = "search_history_clear"
 		const val KEY_UPDATES_FEED_CLEAR = "updates_feed_clear"

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalStorageCleanupWorker.kt

@@ -13,18 +13,25 @@ import androidx.work.await
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.local.domain.DeleteReadChaptersUseCase
 import java.util.concurrent.TimeUnit
 
 @HiltWorker
 class LocalStorageCleanupWorker @AssistedInject constructor(
 	@Assisted appContext: Context,
 	@Assisted params: WorkerParameters,
+	private val settings: AppSettings,
 	private val localMangaRepository: LocalMangaRepository,
 	private val dataRepository: MangaDataRepository,
+	private val deleteReadChaptersUseCase: DeleteReadChaptersUseCase,
 ) : CoroutineWorker(appContext, params) {
 
 	override suspend fun doWork(): Result {
+		if (settings.isAutoLocalChaptersCleanupEnabled) {
+			deleteReadChaptersUseCase.invoke()
+		}
 		return if (localMangaRepository.cleanup()) {
 			dataRepository.cleanupLocalManga()
 			Result.success()
@@ -44,7 +51,7 @@ class LocalStorageCleanupWorker @AssistedInject constructor(
 			val request = OneTimeWorkRequestBuilder<ImportWorker>()
 				.setConstraints(constraints)
 				.addTag(TAG)
-				.setBackoffCriteria(BackoffPolicy.LINEAR, 1, TimeUnit.MINUTES)
+				.setBackoffCriteria(BackoffPolicy.LINEAR, 10, TimeUnit.MINUTES)
 				.build()
 			WorkManager.getInstance(context).enqueueUniqueWork(TAG, ExistingWorkPolicy.KEEP, request).await()
 		}

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

@@ -628,4 +628,6 @@
 	<string name="chapters_deleted_pattern">Removed %1$s, cleared %2$s</string>
 	<string name="delete_read_chapters_summary">Delete chapters you have already read from local storage to free up space</string>
 	<string name="delete_read_chapters_prompt">This will permanently delete all chapters marked as read from your local storage. You can re-download it later, but the imported chapters may be lost forever</string>
+	<string name="delete_read_chapters_auto">Delete read chapters automatically</string>
+	<string name="runs_on_app_start">Runs when the application starts</string>
 </resources>

app/src/main/res/xml/pref_user_data.xml

@@ -89,6 +89,12 @@
 			android:summary="@string/delete_read_chapters_summary"
 			android:title="@string/delete_read_chapters" />
 
+		<SwitchPreferenceCompat
+			android:defaultValue="false"
+			android:key="chapters_clear_auto"
+			android:summary="@string/runs_on_app_start"
+			android:title="@string/delete_read_chapters_auto" />
+
 	</PreferenceCategory>
 
 </PreferenceScreen>