Fix downloading

Currently translated at 100.0% (508 of 508 strings)

Translated using Weblate (Russian)

Currently translated at 100.0% (507 of 507 strings)

Co-authored-by: Koitharu <nvasya95@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/ru/
Translation: Kotatsu/Strings

app/build.gradle

@@ -16,11 +16,12 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 589
-		versionName = '6.2.2'
+		versionCode = 593
+		versionName = '6.2.5'
 		generatedDensities = []
 		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
 		ksp {
+//			arg("room.generateKotlin", "true") TODO: enable later
 			arg("room.schemaLocation", "$projectDir/schemas")
 		}
 		androidResources {
@@ -81,7 +82,7 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:0054d06e6e') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:4ca3a492b0') {
 		exclude group: 'org.json', module: 'json'
 	}
 
@@ -98,7 +99,7 @@ dependencies {
 	implementation 'androidx.lifecycle:lifecycle-process:2.6.2'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
-	implementation 'androidx.recyclerview:recyclerview:1.3.1'
+	implementation 'androidx.recyclerview:recyclerview:1.3.2'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta02'
 	implementation 'androidx.preference:preference-ktx:1.2.1'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
@@ -114,9 +115,9 @@ dependencies {
 		exclude group: 'com.google.j2objc', module: 'j2objc-annotations'
 	}
 
-	implementation 'androidx.room:room-runtime:2.5.2'
-	implementation 'androidx.room:room-ktx:2.5.2'
-	ksp 'androidx.room:room-compiler:2.5.2'
+	implementation 'androidx.room:room-runtime:2.6.0'
+	implementation 'androidx.room:room-ktx:2.6.0'
+	ksp 'androidx.room:room-compiler:2.6.0'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
@@ -136,8 +137,8 @@ dependencies {
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.11.2'
-	implementation 'ch.acra:acra-dialog:5.11.2'
+	implementation 'ch.acra:acra-http:5.11.3'
+	implementation 'ch.acra:acra-dialog:5.11.3'
 
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
@@ -152,7 +153,7 @@ dependencies {
 
 	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3'
 
-	androidTestImplementation 'androidx.room:room-testing:2.5.2'
+	androidTestImplementation 'androidx.room:room-testing:2.6.0'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
 	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.48.1'

app/proguard-rules.pro

@@ -18,3 +18,4 @@
 -keep class org.koitharu.kotatsu.core.exceptions.* { *; }
 -keep class org.koitharu.kotatsu.settings.NotificationSettingsLegacyFragment
 -keep class org.koitharu.kotatsu.core.prefs.ScreenshotsPolicy { *; }
+-keep class org.koitharu.kotatsu.settings.backup.PeriodicalBackupSettingsFragment { *; }

app/src/androidTest/kotlin/org/koitharu/kotatsu/settings/backup/AppBackupAgentTest.kt

@@ -82,7 +82,7 @@ class AppBackupAgentTest {
 		assertEquals(history, historyRepository.getOne(SampleData.manga))
 		assertEquals(listOf(SampleData.manga), favouritesRepository.getManga(category.id))
 
-		val allTags = database.tagsDao.findTags(SampleData.tag.source.name).toMangaTags()
+		val allTags = database.getTagsDao().findTags(SampleData.tag.source.name).toMangaTags()
 		assertTrue(SampleData.tag in allTags)
 	}
 

app/src/main/AndroidManifest.xml

@@ -83,6 +83,16 @@
 				<data android:host="kotatsu.app" />
 				<data android:path="/manga" />
 			</intent-filter>
+			<intent-filter>
+				<action android:name="android.intent.action.VIEW" />
+
+				<category android:name="android.intent.category.DEFAULT" />
+				<category android:name="android.intent.category.BROWSABLE" />
+
+				<data android:scheme="kotatsu" />
+				<data android:host="manga" />
+				<data android:host="kotatsu.app" />
+			</intent-filter>
 		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.reader.ui.ReaderActivity"
@@ -327,6 +337,13 @@
 				<action android:name="android.intent.action.DOWNLOAD_COMPLETE" />
 			</intent-filter>
 		</receiver>
+		<receiver
+			android:name="org.koitharu.kotatsu.core.ErrorReporterReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="${applicationId}.action.REPORT_ERROR" />
+			</intent-filter>
+		</receiver>
 
 		<meta-data
 			android:name="android.webkit.WebView.EnableSafeBrowsing"

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/domain/BookmarksRepository.kt

@@ -25,15 +25,15 @@ class BookmarksRepository @Inject constructor(
 ) {
 
 	fun observeBookmark(manga: Manga, chapterId: Long, page: Int): Flow<Bookmark?> {
-		return db.bookmarksDao.observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
+		return db.getBookmarksDao().observe(manga.id, chapterId, page).map { it?.toBookmark(manga) }
 	}
 
 	fun observeBookmarks(manga: Manga): Flow<List<Bookmark>> {
-		return db.bookmarksDao.observe(manga.id).mapItems { it.toBookmark(manga) }
+		return db.getBookmarksDao().observe(manga.id).mapItems { it.toBookmark(manga) }
 	}
 
 	fun observeBookmarks(): Flow<Map<Manga, List<Bookmark>>> {
-		return db.bookmarksDao.observe().map { map ->
+		return db.getBookmarksDao().observe().map { map ->
 			val res = LinkedHashMap<Manga, List<Bookmark>>(map.size)
 			for ((k, v) in map) {
 				val manga = k.toManga()
@@ -46,9 +46,9 @@ class BookmarksRepository @Inject constructor(
 	suspend fun addBookmark(bookmark: Bookmark) {
 		db.withTransaction {
 			val tags = bookmark.manga.tags.toEntities()
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(bookmark.manga.toEntity(), tags)
-			db.bookmarksDao.insert(bookmark.toEntity())
+			db.getTagsDao().upsert(tags)
+			db.getMangaDao().upsert(bookmark.manga.toEntity(), tags)
+			db.getBookmarksDao().insert(bookmark.toEntity())
 		}
 	}
 
@@ -56,11 +56,11 @@ class BookmarksRepository @Inject constructor(
 		val entity = bookmark.toEntity().copy(
 			imageUrl = imageUrl,
 		)
-		db.bookmarksDao.upsert(listOf(entity))
+		db.getBookmarksDao().upsert(listOf(entity))
 	}
 
 	suspend fun removeBookmark(mangaId: Long, chapterId: Long, page: Int) {
-		check(db.bookmarksDao.delete(mangaId, chapterId, page) != 0) {
+		check(db.getBookmarksDao().delete(mangaId, chapterId, page) != 0) {
 			"Bookmark not found"
 		}
 	}
@@ -72,7 +72,7 @@ class BookmarksRepository @Inject constructor(
 	suspend fun removeBookmarks(ids: Set<Long>): ReversibleHandle {
 		val entities = ArrayList<BookmarkEntity>(ids.size)
 		db.withTransaction {
-			val dao = db.bookmarksDao
+			val dao = db.getBookmarksDao()
 			for (pageId in ids) {
 				val e = dao.find(pageId)
 				if (e != null) {
@@ -92,7 +92,7 @@ class BookmarksRepository @Inject constructor(
 			db.withTransaction {
 				for (e in entities) {
 					try {
-						db.bookmarksDao.insert(e)
+						db.getBookmarksDao().insert(e)
 					} catch (e: SQLException) {
 						e.printStackTraceDebug()
 					}

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/BookmarksActivity.kt

@@ -34,8 +34,8 @@ class BookmarksActivity :
 		val fm = supportFragmentManager
 		if (fm.findFragmentById(R.id.container) == null) {
 			fm.commit {
-				val fragment = BookmarksFragment.newInstance()
-				replace(R.id.container, fragment)
+				setReorderingAllowed(true)
+				replace(R.id.container, BookmarksFragment::class.java, null)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/ErrorReporterReceiver.kt

@@ -0,0 +1,33 @@
+package org.koitharu.kotatsu.core
+
+import android.app.PendingIntent
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import androidx.core.app.PendingIntentCompat
+import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.util.ext.getSerializableExtraCompat
+import org.koitharu.kotatsu.core.util.ext.report
+
+class ErrorReporterReceiver : BroadcastReceiver() {
+
+	override fun onReceive(context: Context?, intent: Intent?) {
+		val e = intent?.getSerializableExtraCompat<Throwable>(EXTRA_ERROR) ?: return
+		e.report()
+	}
+
+	companion object {
+
+		private const val EXTRA_ERROR = "err"
+		private const val ACTION_REPORT = "${BuildConfig.APPLICATION_ID}.action.REPORT_ERROR"
+
+		fun getPendingIntent(context: Context, e: Throwable): PendingIntent {
+			val intent = Intent(context, ErrorReporterReceiver::class.java)
+			intent.setAction(ACTION_REPORT)
+			intent.setData(Uri.parse("err://${e.hashCode()}"))
+			intent.putExtra(EXTRA_ERROR, e)
+			return checkNotNull(PendingIntentCompat.getBroadcast(context, 0, intent, 0, false))
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupRepository.kt

@@ -22,7 +22,7 @@ class BackupRepository @Inject constructor(
 		var offset = 0
 		val entry = BackupEntry(BackupEntry.HISTORY, JSONArray())
 		while (true) {
-			val history = db.historyDao.findAll(offset, PAGE_SIZE)
+			val history = db.getHistoryDao().findAll(offset, PAGE_SIZE)
 			if (history.isEmpty()) {
 				break
 			}
@@ -42,7 +42,7 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpCategories(): BackupEntry {
 		val entry = BackupEntry(BackupEntry.CATEGORIES, JSONArray())
-		val categories = db.favouriteCategoriesDao.findAll()
+		val categories = db.getFavouriteCategoriesDao().findAll()
 		for (item in categories) {
 			entry.data.put(JsonSerializer(item).toJson())
 		}
@@ -53,7 +53,7 @@ class BackupRepository @Inject constructor(
 		var offset = 0
 		val entry = BackupEntry(BackupEntry.FAVOURITES, JSONArray())
 		while (true) {
-			val favourites = db.favouritesDao.findAll(offset, PAGE_SIZE)
+			val favourites = db.getFavouritesDao().findAll(offset, PAGE_SIZE)
 			if (favourites.isEmpty()) {
 				break
 			}
@@ -73,7 +73,7 @@ class BackupRepository @Inject constructor(
 
 	suspend fun dumpBookmarks(): BackupEntry {
 		val entry = BackupEntry(BackupEntry.BOOKMARKS, JSONArray())
-		val all = db.bookmarksDao.findAll()
+		val all = db.getBookmarksDao().findAll()
 		for ((m, b) in all) {
 			val json = JSONObject()
 			val manga = JsonSerializer(m.manga).toJson()
@@ -122,9 +122,9 @@ class BackupRepository @Inject constructor(
 			val history = JsonDeserializer(item).toHistoryEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.historyDao.upsert(history)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getHistoryDao().upsert(history)
 				}
 			}
 		}
@@ -136,7 +136,7 @@ class BackupRepository @Inject constructor(
 		for (item in entry.data.JSONIterator()) {
 			val category = JsonDeserializer(item).toFavouriteCategoryEntity()
 			result += runCatchingCancellable {
-				db.favouriteCategoriesDao.upsert(category)
+				db.getFavouriteCategoriesDao().upsert(category)
 			}
 		}
 		return result
@@ -153,9 +153,9 @@ class BackupRepository @Inject constructor(
 			val favourite = JsonDeserializer(item).toFavouriteEntity()
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.favouritesDao.upsert(favourite)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getFavouritesDao().upsert(favourite)
 				}
 			}
 		}
@@ -175,9 +175,9 @@ class BackupRepository @Inject constructor(
 			}
 			result += runCatchingCancellable {
 				db.withTransaction {
-					db.tagsDao.upsert(tags)
-					db.mangaDao.upsert(manga, tags)
-					db.bookmarksDao.upsert(bookmarks)
+					db.getTagsDao().upsert(tags)
+					db.getMangaDao().upsert(manga, tags)
+					db.getBookmarksDao().upsert(bookmarks)
 				}
 			}
 		}

app/src/main/kotlin/org/koitharu/kotatsu/core/backup/BackupZipOutput.kt

@@ -29,7 +29,7 @@ class BackupZipOutput(val file: File) : Closeable {
 	}
 }
 
-private const val DIR_BACKUPS = "backups"
+const val DIR_BACKUPS = "backups"
 
 suspend fun BackupZipOutput(context: Context): BackupZipOutput = runInterruptible(Dispatchers.IO) {
 	val dir = context.run {

app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt

@@ -66,29 +66,29 @@ const val DATABASE_VERSION = 17
 )
 abstract class MangaDatabase : RoomDatabase() {
 
-	abstract val historyDao: HistoryDao
+	abstract fun getHistoryDao(): HistoryDao
 
-	abstract val tagsDao: TagsDao
+	abstract fun getTagsDao(): TagsDao
 
-	abstract val mangaDao: MangaDao
+	abstract fun getMangaDao(): MangaDao
 
-	abstract val favouritesDao: FavouritesDao
+	abstract fun getFavouritesDao(): FavouritesDao
 
-	abstract val preferencesDao: PreferencesDao
+	abstract fun getPreferencesDao(): PreferencesDao
 
-	abstract val favouriteCategoriesDao: FavouriteCategoriesDao
+	abstract fun getFavouriteCategoriesDao(): FavouriteCategoriesDao
 
-	abstract val tracksDao: TracksDao
+	abstract fun getTracksDao(): TracksDao
 
-	abstract val trackLogsDao: TrackLogsDao
+	abstract fun getTrackLogsDao(): TrackLogsDao
 
-	abstract val suggestionDao: SuggestionDao
+	abstract fun getSuggestionDao(): SuggestionDao
 
-	abstract val bookmarksDao: BookmarksDao
+	abstract fun getBookmarksDao(): BookmarksDao
 
-	abstract val scrobblingDao: ScrobblingDao
+	abstract fun getScrobblingDao(): ScrobblingDao
 
-	abstract val sourcesDao: MangaSourcesDao
+	abstract fun getSourcesDao(): MangaSourcesDao
 }
 
 fun getDatabaseMigrations(context: Context): Array<Migration> = arrayOf(

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration10To11.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration10To11 : Migration(10, 11) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL(
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL(
 			"""
 			CREATE TABLE IF NOT EXISTS `bookmarks` (
 				`manga_id` INTEGER NOT NULL,
@@ -20,7 +20,7 @@ class Migration10To11 : Migration(10, 11) {
 				FOREIGN KEY(`manga_id`) REFERENCES `manga`(`manga_id`) ON UPDATE NO ACTION ON DELETE CASCADE )
 			""".trimIndent()
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_manga_id` ON `bookmarks` (`manga_id`)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_page_id` ON `bookmarks` (`page_id`)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_manga_id` ON `bookmarks` (`manga_id`)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS `index_bookmarks_page_id` ON `bookmarks` (`page_id`)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration11To12.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration11To12 : Migration(11, 12) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL(
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL(
 			"""
 			CREATE TABLE IF NOT EXISTS `scrobblings` (
 				`scrobbler` INTEGER NOT NULL,
@@ -21,7 +21,7 @@ class Migration11To12 : Migration(11, 12) {
 			)
 			""".trimIndent()
 		)
-		database.execSQL("ALTER TABLE history ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
-		database.execSQL("ALTER TABLE bookmarks ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+		db.execSQL("ALTER TABLE history ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
+		db.execSQL("ALTER TABLE bookmarks ADD COLUMN `percent` REAL NOT NULL DEFAULT -1")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration12To13.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration12To13 : Migration(12, 13) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `show_in_lib` INTEGER NOT NULL DEFAULT 1")
-		database.execSQL("ALTER TABLE favourites ADD COLUMN `sort_key` INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `show_in_lib` INTEGER NOT NULL DEFAULT 1")
+		db.execSQL("ALTER TABLE favourites ADD COLUMN `sort_key` INTEGER NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration13To14.kt

@@ -5,11 +5,11 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration13To14 : Migration(13, 14) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE favourites ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE history ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_brightness` REAL NOT NULL DEFAULT 0")
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_contrast` REAL NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE favourites ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE history ADD COLUMN `deleted_at` INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_brightness` REAL NOT NULL DEFAULT 0")
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_contrast` REAL NOT NULL DEFAULT 0")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration14To15.kt

@@ -5,5 +5,5 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration14To15 : Migration(14, 15) {
 
-	override fun migrate(database: SupportSQLiteDatabase) = Unit
+	override fun migrate(db: SupportSQLiteDatabase) = Unit
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration15To16.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration15To16 : Migration(15, 16) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE preferences ADD COLUMN `cf_invert` INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE preferences ADD COLUMN `cf_invert` INTEGER NOT NULL DEFAULT 0")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration16To17.kt

@@ -10,9 +10,9 @@ class Migration16To17(context: Context) : Migration(16, 17) {
 
 	private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE `sources` (`source` TEXT NOT NULL, `enabled` INTEGER NOT NULL, `sort_key` INTEGER NOT NULL, PRIMARY KEY(`source`))")
-		database.execSQL("CREATE INDEX `index_sources_sort_key` ON `sources` (`sort_key`)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE `sources` (`source` TEXT NOT NULL, `enabled` INTEGER NOT NULL, `sort_key` INTEGER NOT NULL, PRIMARY KEY(`source`))")
+		db.execSQL("CREATE INDEX `index_sources_sort_key` ON `sources` (`sort_key`)")
 		val hiddenSources = prefs.getStringSet("sources_hidden", null).orEmpty()
 		val order = prefs.getString("sources_order_2", null)?.split('|').orEmpty()
 		val sources = MangaSource.entries
@@ -30,7 +30,7 @@ class Migration16To17(context: Context) : Migration(16, 17) {
 					continue
 				}
 			}
-			database.execSQL(
+			db.execSQL(
 				"INSERT INTO `sources` (`source`, `enabled`, `sort_key`) VALUES (?, ?, ?)",
 				arrayOf(name, (!isHidden).toInt(), sortKey),
 			)

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration1To2.kt

@@ -7,48 +7,48 @@ class Migration1To2 : Migration(1, 2) {
 	/**
 	 * Adding foreign keys
 	 */
-	override fun migrate(database: SupportSQLiteDatabase) {
+	override fun migrate(db: SupportSQLiteDatabase) {
 		/* manga_tags */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS manga_tags_tmp (manga_id INTEGER NOT NULL, tag_id INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id, tag_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE, " +
 					"FOREIGN KEY(tag_id) REFERENCES tags(tag_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_manga_id ON manga_tags_tmp (manga_id)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_tag_id ON manga_tags_tmp (tag_id)")
-		database.execSQL("INSERT INTO manga_tags_tmp (manga_id, tag_id) SELECT manga_id, tag_id FROM manga_tags")
-		database.execSQL("DROP TABLE manga_tags")
-		database.execSQL("ALTER TABLE manga_tags_tmp RENAME TO manga_tags")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_manga_id ON manga_tags_tmp (manga_id)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_manga_tags_tag_id ON manga_tags_tmp (tag_id)")
+		db.execSQL("INSERT INTO manga_tags_tmp (manga_id, tag_id) SELECT manga_id, tag_id FROM manga_tags")
+		db.execSQL("DROP TABLE manga_tags")
+		db.execSQL("ALTER TABLE manga_tags_tmp RENAME TO manga_tags")
 		/* favourites */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS favourites_tmp (manga_id INTEGER NOT NULL, category_id INTEGER NOT NULL, created_at INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id, category_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE , " +
 					"FOREIGN KEY(category_id) REFERENCES favourite_categories(category_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_manga_id ON favourites_tmp (manga_id)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_category_id ON favourites_tmp (category_id)")
-		database.execSQL("INSERT INTO favourites_tmp (manga_id, category_id, created_at) SELECT manga_id, category_id, created_at FROM favourites")
-		database.execSQL("DROP TABLE favourites")
-		database.execSQL("ALTER TABLE favourites_tmp RENAME TO favourites")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_manga_id ON favourites_tmp (manga_id)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_favourites_category_id ON favourites_tmp (category_id)")
+		db.execSQL("INSERT INTO favourites_tmp (manga_id, category_id, created_at) SELECT manga_id, category_id, created_at FROM favourites")
+		db.execSQL("DROP TABLE favourites")
+		db.execSQL("ALTER TABLE favourites_tmp RENAME TO favourites")
 		/* history */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS history_tmp (manga_id INTEGER NOT NULL, created_at INTEGER NOT NULL, updated_at INTEGER NOT NULL, chapter_id INTEGER NOT NULL, page INTEGER NOT NULL, " +
 					"PRIMARY KEY(manga_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("INSERT INTO history_tmp (manga_id, created_at, updated_at, chapter_id, page) SELECT manga_id, created_at, updated_at, chapter_id, page FROM history")
-		database.execSQL("DROP TABLE history")
-		database.execSQL("ALTER TABLE history_tmp RENAME TO history")
+		db.execSQL("INSERT INTO history_tmp (manga_id, created_at, updated_at, chapter_id, page) SELECT manga_id, created_at, updated_at, chapter_id, page FROM history")
+		db.execSQL("DROP TABLE history")
+		db.execSQL("ALTER TABLE history_tmp RENAME TO history")
 		/* preferences */
-		database.execSQL(
+		db.execSQL(
 			"CREATE TABLE IF NOT EXISTS preferences_tmp (manga_id INTEGER NOT NULL, mode INTEGER NOT NULL," +
 					" PRIMARY KEY(manga_id), " +
 					"FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )"
 		)
-		database.execSQL("INSERT INTO preferences_tmp (manga_id, mode) SELECT manga_id, mode FROM preferences")
-		database.execSQL("DROP TABLE preferences")
-		database.execSQL("ALTER TABLE preferences_tmp RENAME TO preferences")
+		db.execSQL("INSERT INTO preferences_tmp (manga_id, mode) SELECT manga_id, mode FROM preferences")
+		db.execSQL("DROP TABLE preferences")
+		db.execSQL("ALTER TABLE preferences_tmp RENAME TO preferences")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration2To3.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration2To3 : Migration(2, 3) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE history ADD COLUMN scroll REAL NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE history ADD COLUMN scroll REAL NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration3To4.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration3To4 : Migration(3, 4) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE IF NOT EXISTS tracks (manga_id INTEGER NOT NULL, chapters_total INTEGER NOT NULL, last_chapter_id INTEGER NOT NULL, chapters_new INTEGER NOT NULL, last_check INTEGER NOT NULL, last_notified_id INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE IF NOT EXISTS tracks (manga_id INTEGER NOT NULL, chapters_total INTEGER NOT NULL, last_chapter_id INTEGER NOT NULL, chapters_new INTEGER NOT NULL, last_check INTEGER NOT NULL, last_notified_id INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration4To5.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration4To5 : Migration(4, 5) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN sort_key INTEGER NOT NULL DEFAULT 0")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN sort_key INTEGER NOT NULL DEFAULT 0")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration5To6.kt

@@ -5,8 +5,8 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration5To6 : Migration(5, 6) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("CREATE TABLE IF NOT EXISTS track_logs (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, manga_id INTEGER NOT NULL, chapters TEXT NOT NULL, created_at INTEGER NOT NULL, FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE)")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_track_logs_manga_id ON track_logs (manga_id)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("CREATE TABLE IF NOT EXISTS track_logs (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, manga_id INTEGER NOT NULL, chapters TEXT NOT NULL, created_at INTEGER NOT NULL, FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE)")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_track_logs_manga_id ON track_logs (manga_id)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration6To7.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration6To7 : Migration(6, 7) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN public_url TEXT NOT NULL DEFAULT ''")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE manga ADD COLUMN public_url TEXT NOT NULL DEFAULT ''")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration7To8.kt

@@ -5,9 +5,9 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration7To8 : Migration(7, 8) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE manga ADD COLUMN nsfw INTEGER NOT NULL DEFAULT 0")
-		database.execSQL("CREATE TABLE IF NOT EXISTS suggestions (manga_id INTEGER NOT NULL, relevance REAL NOT NULL, created_at INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
-		database.execSQL("CREATE INDEX IF NOT EXISTS index_suggestions_manga_id ON suggestions (manga_id)")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE manga ADD COLUMN nsfw INTEGER NOT NULL DEFAULT 0")
+		db.execSQL("CREATE TABLE IF NOT EXISTS suggestions (manga_id INTEGER NOT NULL, relevance REAL NOT NULL, created_at INTEGER NOT NULL, PRIMARY KEY(manga_id), FOREIGN KEY(manga_id) REFERENCES manga(manga_id) ON UPDATE NO ACTION ON DELETE CASCADE )")
+		db.execSQL("CREATE INDEX IF NOT EXISTS index_suggestions_manga_id ON suggestions (manga_id)")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration8To9.kt

@@ -6,7 +6,7 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 
 class Migration8To9 : Migration(8, 9) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `order` TEXT NOT NULL DEFAULT ${SortOrder.NEWEST.name}")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `order` TEXT NOT NULL DEFAULT ${SortOrder.NEWEST.name}")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/migrations/Migration9To10.kt

@@ -5,7 +5,7 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 
 class Migration9To10 : Migration(9, 10) {
 
-	override fun migrate(database: SupportSQLiteDatabase) {
-		database.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
+	override fun migrate(db: SupportSQLiteDatabase) {
+		db.execSQL("ALTER TABLE favourite_categories ADD COLUMN `track` INTEGER NOT NULL DEFAULT 1")
 	}
-}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaDataRepository.kt

@@ -28,16 +28,16 @@ class MangaDataRepository @Inject constructor(
 	suspend fun saveReaderMode(manga: Manga, mode: ReaderMode) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(entity.copy(mode = mode.id))
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(entity.copy(mode = mode.id))
 		}
 	}
 
 	suspend fun saveColorFilter(manga: Manga, colorFilter: ReaderColorFilter?) {
 		db.withTransaction {
 			storeManga(manga)
-			val entity = db.preferencesDao.find(manga.id) ?: newEntity(manga.id)
-			db.preferencesDao.upsert(
+			val entity = db.getPreferencesDao().find(manga.id) ?: newEntity(manga.id)
+			db.getPreferencesDao().upsert(
 				entity.copy(
 					cfBrightness = colorFilter?.brightness ?: 0f,
 					cfContrast = colorFilter?.contrast ?: 0f,
@@ -48,25 +48,25 @@ class MangaDataRepository @Inject constructor(
 	}
 
 	suspend fun getReaderMode(mangaId: Long): ReaderMode? {
-		return db.preferencesDao.find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
+		return db.getPreferencesDao().find(mangaId)?.let { ReaderMode.valueOf(it.mode) }
 	}
 
 	suspend fun getColorFilter(mangaId: Long): ReaderColorFilter? {
-		return db.preferencesDao.find(mangaId)?.getColorFilterOrNull()
+		return db.getPreferencesDao().find(mangaId)?.getColorFilterOrNull()
 	}
 
 	fun observeColorFilter(mangaId: Long): Flow<ReaderColorFilter?> {
-		return db.preferencesDao.observe(mangaId)
+		return db.getPreferencesDao().observe(mangaId)
 			.map { it?.getColorFilterOrNull() }
 			.distinctUntilChanged()
 	}
 
 	suspend fun findMangaById(mangaId: Long): Manga? {
-		return db.mangaDao.find(mangaId)?.toManga()
+		return db.getMangaDao().find(mangaId)?.toManga()
 	}
 
 	suspend fun findMangaByPublicUrl(publicUrl: String): Manga? {
-		return db.mangaDao.findByPublicUrl(publicUrl)?.toManga()
+		return db.getMangaDao().findByPublicUrl(publicUrl)?.toManga()
 	}
 
 	suspend fun resolveIntent(intent: MangaIntent): Manga? = when {
@@ -79,13 +79,13 @@ class MangaDataRepository @Inject constructor(
 	suspend fun storeManga(manga: Manga) {
 		val tags = manga.tags.toEntities()
 		db.withTransaction {
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(manga.toEntity(), tags)
+			db.getTagsDao().upsert(tags)
+			db.getMangaDao().upsert(manga.toEntity(), tags)
 		}
 	}
 
 	suspend fun findTags(source: MangaSource): Set<MangaTag> {
-		return db.tagsDao.findTags(source.name).toMangaTags()
+		return db.getTagsDao().findTags(source.name).toMangaTags()
 	}
 
 	private fun MangaPrefsEntity.getColorFilterOrNull(): ReaderColorFilter? {

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaLinkResolver.kt

@@ -23,14 +23,14 @@ class MangaLinkResolver @Inject constructor(
 ) {
 
 	suspend fun resolve(uri: Uri): Manga {
-		return if (uri.host == "kotatsu.app") {
+		return if (uri.scheme == "kotatsu" || uri.host == "kotatsu.app") {
 			resolveAppLink(uri)
 		} else {
 			resolveExternalLink(uri)
-		} ?: throw NotFoundException("Manga not found", uri.toString())
+		} ?: throw NotFoundException("Cannot resolve link", uri.toString())
 	}
 
-	suspend fun resolveAppLink(uri: Uri): Manga? {
+	private suspend fun resolveAppLink(uri: Uri): Manga? {
 		require(uri.pathSegments.singleOrNull() == "manga") { "Invalid url" }
 		val sourceName = requireNotNull(uri.getQueryParameter("source")) { "Source is not specified" }
 		val source = MangaSource(sourceName)
@@ -42,7 +42,7 @@ class MangaLinkResolver @Inject constructor(
 		)
 	}
 
-	suspend fun resolveExternalLink(uri: Uri): Manga? {
+	private suspend fun resolveExternalLink(uri: Uri): Manga? {
 		dataRepository.findMangaByPublicUrl(uri.toString())?.let {
 			return it
 		}

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

@@ -354,6 +354,16 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val is32BitColorsEnabled: Boolean
 		get() = prefs.getBoolean(KEY_32BIT_COLOR, false)
 
+	val isPeriodicalBackupEnabled: Boolean
+		get() = prefs.getBoolean(KEY_BACKUP_PERIODICAL_ENABLED, false)
+
+	val periodicalBackupFrequency: Long
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_FREQUENCY, null)?.toLongOrNull() ?: 7L
+
+	var periodicalBackupOutput: Uri?
+		get() = prefs.getString(KEY_BACKUP_PERIODICAL_OUTPUT, null)?.toUriOrNull()
+		set(value) = prefs.edit { putString(KEY_BACKUP_PERIODICAL_OUTPUT, value?.toString()) }
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -458,6 +468,10 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_ZOOM_MODE = "zoom_mode"
 		const val KEY_BACKUP = "backup"
 		const val KEY_RESTORE = "restore"
+		const val KEY_BACKUP_PERIODICAL_ENABLED = "backup_periodic"
+		const val KEY_BACKUP_PERIODICAL_FREQUENCY = "backup_periodic_freq"
+		const val KEY_BACKUP_PERIODICAL_OUTPUT = "backup_periodic_output"
+		const val KEY_BACKUP_PERIODICAL_LAST = "backup_periodic_last"
 		const val KEY_HISTORY_GROUPING = "history_grouping"
 		const val KEY_READING_INDICATORS = "reading_indicators"
 		const val KEY_REVERSE_CHAPTERS = "reverse_chapters"

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseActivity.kt

@@ -6,7 +6,6 @@ import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.view.KeyEvent
-import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.CallSuper
@@ -96,10 +95,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		insetsDelegate.onViewCreated(binding.root)
 	}
 
-	override fun onOptionsItemSelected(item: MenuItem) = if (item.itemId == android.R.id.home) {
-		onBackPressed()
-		true
-	} else super.onOptionsItemSelected(item)
+	override fun onSupportNavigateUp(): Boolean {
+		dispatchNavigateUp()
+		return true
+	}
 
 	override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
 		if (BuildConfig.DEBUG && keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
@@ -150,6 +149,17 @@ abstract class BaseActivity<B : ViewBinding> :
 		window.statusBarColor = defaultStatusBarColor
 	}
 
+	protected open fun dispatchNavigateUp() {
+		val upIntent = parentActivityIntent
+		if (upIntent != null) {
+			if (!navigateUpTo(upIntent)) {
+				startActivity(upIntent)
+			}
+		} else {
+			finishAfterTransition()
+		}
+	}
+
 	private fun putDataToExtras(intent: Intent?) {
 		intent?.putExtra(EXTRA_DATA, intent.data)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/RecyclerScrollKeeper.kt

@@ -0,0 +1,40 @@
+package org.koitharu.kotatsu.core.ui.list
+
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
+
+class RecyclerScrollKeeper(
+	private val rv: RecyclerView,
+) : AdapterDataObserver() {
+
+	private val scrollUpRunnable = Runnable {
+		(rv.layoutManager as? LinearLayoutManager)?.scrollToPositionWithOffset(0, 0)
+	}
+
+	fun attach() {
+		rv.adapter?.registerAdapterDataObserver(this)
+	}
+
+	override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
+		super.onItemRangeInserted(positionStart, itemCount)
+		if (positionStart == 0 && isScrolledToTop()) {
+			postScrollUp()
+		}
+	}
+
+	override fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int) {
+		super.onItemRangeMoved(fromPosition, toPosition, itemCount)
+		if (toPosition == 0 && isScrolledToTop()) {
+			postScrollUp()
+		}
+	}
+
+	private fun postScrollUp() {
+		rv.postDelayed(scrollUpRunnable, 500L)
+	}
+
+	private fun isScrolledToTop(): Boolean {
+		return (rv.layoutManager as? LinearLayoutManager)?.findFirstVisibleItemPosition() == 0
+	}
+}

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

@@ -83,7 +83,7 @@ fun <I> ActivityResultLauncher<I>.tryLaunch(
 	e.printStackTraceDebug()
 }.isSuccess
 
-fun SharedPreferences.observe() = callbackFlow<String?> {
+fun SharedPreferences.observe(): Flow<String?> = callbackFlow {
 	val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
 		trySendBlocking(key)
 	}

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

@@ -23,7 +23,7 @@ fun ImageView.newImageRequest(lifecycleOwner: LifecycleOwner, data: Any?): Image
 			return null
 		}
 	}
-	disposeImageRequest()
+	// disposeImageRequest()
 	return ImageRequest.Builder(context)
 		.data(data)
 		.lifecycle(lifecycleOwner)

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsInteractor.kt

@@ -87,5 +87,5 @@ class DetailsInteractor @Inject constructor(
 		}
 	}
 
-	suspend fun findLocal(seed: Manga) = localMangaRepository.getRemoteManga(seed)
+	suspend fun findRemote(seed: Manga) = localMangaRepository.getRemoteManga(seed)
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/ProgressUpdateUseCase.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.details.domain
 import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.model.findChapter
 import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.history.data.PROGRESS_NONE
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
@@ -13,15 +14,19 @@ class ProgressUpdateUseCase @Inject constructor(
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 	private val database: MangaDatabase,
 	private val localMangaRepository: LocalMangaRepository,
+	private val networkState: NetworkState,
 ) {
 
 	suspend operator fun invoke(manga: Manga): Float {
-		val history = database.historyDao.find(manga.id) ?: return PROGRESS_NONE
+		val history = database.getHistoryDao().find(manga.id) ?: return PROGRESS_NONE
 		val seed = if (manga.isLocal) {
 			localMangaRepository.getRemoteManga(manga) ?: manga
 		} else {
 			manga
 		}
+		if (!seed.isLocal && !networkState.value) {
+			return PROGRESS_NONE
+		}
 		val repo = mangaRepositoryFactory.create(seed.source)
 		val details = if (manga.source != seed.source || seed.chapters.isNullOrEmpty()) {
 			repo.getDetails(seed)
@@ -43,7 +48,7 @@ class ProgressUpdateUseCase @Inject constructor(
 		val ppc = 1f / chaptersCount
 		val result = ppc * chapterIndex + ppc * pagePercent
 		if (result != history.percent) {
-			database.historyDao.update(
+			database.getHistoryDao().update(
 				history.copy(
 					chapterId = chapter.id,
 					percent = result,

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsViewModel.kt

@@ -149,15 +149,13 @@ class DetailsViewModel @Inject constructor(
 	val scrobblingInfo: StateFlow<List<ScrobblingInfo>> = interactor.observeScrobblingInfo(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val relatedManga: StateFlow<List<MangaItemModel>> = manga
-		.mapLatest {
-			if (it != null && settings.isRelatedMangaEnabled) {
-				relatedMangaUseCase.invoke(it)?.toUi(ListMode.GRID, extraProvider).orEmpty()
-			} else {
-				emptyList()
-			}
+	val relatedManga: StateFlow<List<MangaItemModel>> = manga.mapLatest {
+		if (it != null && settings.isRelatedMangaEnabled) {
+			relatedMangaUseCase.invoke(it)?.toUi(ListMode.GRID, extraProvider).orEmpty()
+		} else {
+			emptyList()
 		}
-		.stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
+	}.stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
 
 	val branches: StateFlow<List<MangaBranch>> = combine(
 		details,
@@ -217,7 +215,7 @@ class DetailsViewModel @Inject constructor(
 		}
 		launchJob(Dispatchers.Default) {
 			val manga = details.firstOrNull { it != null && it.isLocal } ?: return@launchJob
-			remoteManga.value = interactor.findLocal(manga.toManga())
+			remoteManga.value = interactor.findRemote(manga.toManga())
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/download/domain/DownloadState.kt

@@ -18,8 +18,7 @@ data class DownloadState(
 	val currentPage: Int = 0,
 	val eta: Long = -1L,
 	val localManga: LocalManga? = null,
-	val downloadedChapters: LongArray = LongArray(0),
-	val scheduledChapters: LongArray = LongArray(0),
+	val downloadedChapters: Int = 0,
 	val timestamp: Long = System.currentTimeMillis(),
 ) {
 
@@ -42,68 +41,17 @@ data class DownloadState(
 		.putLong(DATA_ETA, eta)
 		.putLong(DATA_TIMESTAMP, timestamp)
 		.putString(DATA_ERROR, error)
-		.putLongArray(DATA_CHAPTERS, downloadedChapters)
-		.putLongArray(DATA_CHAPTERS_SRC, scheduledChapters)
+		.putInt(DATA_CHAPTERS, downloadedChapters)
 		.putBoolean(DATA_INDETERMINATE, isIndeterminate)
 		.putBoolean(DATA_PAUSED, isPaused)
 		.build()
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as DownloadState
-
-		if (manga != other.manga) return false
-		if (isIndeterminate != other.isIndeterminate) return false
-		if (isPaused != other.isPaused) return false
-		if (isStopped != other.isStopped) return false
-		if (error != other.error) return false
-		if (totalChapters != other.totalChapters) return false
-		if (currentChapter != other.currentChapter) return false
-		if (totalPages != other.totalPages) return false
-		if (currentPage != other.currentPage) return false
-		if (eta != other.eta) return false
-		if (localManga != other.localManga) return false
-		if (!downloadedChapters.contentEquals(other.downloadedChapters)) return false
-		if (!scheduledChapters.contentEquals(other.scheduledChapters)) return false
-		if (timestamp != other.timestamp) return false
-		if (max != other.max) return false
-		if (progress != other.progress) return false
-		if (percent != other.percent) return false
-
-		return true
-	}
-
-	override fun hashCode(): Int {
-		var result = manga.hashCode()
-		result = 31 * result + isIndeterminate.hashCode()
-		result = 31 * result + isPaused.hashCode()
-		result = 31 * result + isStopped.hashCode()
-		result = 31 * result + (error?.hashCode() ?: 0)
-		result = 31 * result + totalChapters
-		result = 31 * result + currentChapter
-		result = 31 * result + totalPages
-		result = 31 * result + currentPage
-		result = 31 * result + eta.hashCode()
-		result = 31 * result + (localManga?.hashCode() ?: 0)
-		result = 31 * result + downloadedChapters.contentHashCode()
-		result = 31 * result + scheduledChapters.contentHashCode()
-		result = 31 * result + timestamp.hashCode()
-		result = 31 * result + max
-		result = 31 * result + progress
-		result = 31 * result + percent.hashCode()
-		return result
-	}
-
-
 	companion object {
 
 		private const val DATA_MANGA_ID = "manga_id"
 		private const val DATA_MAX = "max"
 		private const val DATA_PROGRESS = "progress"
-		private const val DATA_CHAPTERS = "chapter"
-		private const val DATA_CHAPTERS_SRC = "chapters_src"
+		private const val DATA_CHAPTERS = "chapter_cnt"
 		private const val DATA_ETA = "eta"
 		private const val DATA_TIMESTAMP = "timestamp"
 		private const val DATA_ERROR = "error"
@@ -126,8 +74,6 @@ data class DownloadState(
 
 		fun getTimestamp(data: Data): Date = Date(data.getLong(DATA_TIMESTAMP, 0L))
 
-		fun getDownloadedChapters(data: Data): LongArray = data.getLongArray(DATA_CHAPTERS) ?: LongArray(0)
-
-		fun getScheduledChapters(data: Data): LongArray = data.getLongArray(DATA_CHAPTERS_SRC) ?: LongArray(0)
+		fun getDownloadedChapters(data: Data): Int = data.getInt(DATA_CHAPTERS, 0)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadItemAD.kt

@@ -2,28 +2,22 @@ package org.koitharu.kotatsu.download.ui.list
 
 import android.transition.TransitionManager
 import android.view.View
-import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
-import androidx.recyclerview.widget.DividerItemDecoration
-import androidx.recyclerview.widget.RecyclerView
 import androidx.work.WorkInfo
 import coil.ImageLoader
+import coil.request.SuccessResult
+import coil.util.CoilUtils
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.ui.BaseListAdapter
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
-import org.koitharu.kotatsu.core.util.ext.drawableEnd
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.isAnimationsEnabled
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ItemDownloadBinding
-import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
-import org.koitharu.kotatsu.download.ui.list.chapters.downloadChapterAD
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
-import org.koitharu.kotatsu.list.ui.adapter.ListItemType
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.util.format
 
@@ -36,9 +30,7 @@ fun downloadItemAD(
 ) {
 
 	val percentPattern = context.resources.getString(R.string.percent_string_pattern)
-	val expandIcon = ContextCompat.getDrawable(context, R.drawable.ic_expand_collapse)
-	val chaptersAdapter = BaseListAdapter<DownloadChapter>()
-		.addDelegate(ListItemType.CHAPTER, downloadChapterAD())
+	// val expandIcon = ContextCompat.getDrawable(context, R.drawable.ic_expand_collapse)
 
 	val clickListener = object : View.OnClickListener, View.OnLongClickListener {
 		override fun onClick(v: View) {
@@ -59,27 +51,26 @@ fun downloadItemAD(
 	binding.buttonResume.setOnClickListener(clickListener)
 	itemView.setOnClickListener(clickListener)
 	itemView.setOnLongClickListener(clickListener)
-	binding.recyclerViewChapters.addItemDecoration(DividerItemDecoration(context, RecyclerView.VERTICAL))
-	binding.recyclerViewChapters.adapter = chaptersAdapter
 
 	bind { payloads ->
 		if (ListModelDiffCallback.PAYLOAD_CHECKED_CHANGED in payloads && context.isAnimationsEnabled) {
 			TransitionManager.beginDelayedTransition(binding.constraintLayout)
 		}
 		binding.textViewTitle.text = item.manga.title
-		binding.imageViewCover.newImageRequest(lifecycleOwner, item.manga.coverUrl)?.apply {
-			placeholder(R.drawable.ic_placeholder)
-			fallback(R.drawable.ic_placeholder)
-			error(R.drawable.ic_error_placeholder)
-			allowRgb565(true)
-			transformations(TrimTransformation())
-			source(item.manga.source)
-			enqueueWith(coil)
+		if ((CoilUtils.result(binding.imageViewCover) as? SuccessResult)?.memoryCacheKey != item.coverCacheKey) {
+			binding.imageViewCover.newImageRequest(lifecycleOwner, item.manga.coverUrl)?.apply {
+				placeholder(R.drawable.ic_placeholder)
+				fallback(R.drawable.ic_placeholder)
+				error(R.drawable.ic_error_placeholder)
+				allowRgb565(true)
+				transformations(TrimTransformation())
+				memoryCacheKey(item.coverCacheKey)
+				source(item.manga.source)
+				enqueueWith(coil)
+			}
 		}
-		binding.textViewTitle.isChecked = item.isExpanded
-		binding.textViewTitle.drawableEnd = if (item.isExpandable) expandIcon else null
-		binding.cardDetails.isVisible = item.isExpanded
-		chaptersAdapter.items = item.chapters
+		// binding.textViewTitle.isChecked = item.isExpanded
+		// binding.textViewTitle.drawableEnd = if (item.isExpandable) expandIcon else null
 		when (item.workState) {
 			WorkInfo.State.ENQUEUED,
 			WorkInfo.State.BLOCKED -> {
@@ -117,11 +108,11 @@ fun downloadItemAD(
 				binding.progressBar.isVisible = false
 				binding.progressBar.isEnabled = true
 				binding.textViewPercent.isVisible = false
-				if (item.totalChapters > 0) {
+				if (item.chaptersDownloaded > 0) {
 					binding.textViewDetails.text = context.resources.getQuantityString(
 						R.plurals.chapters,
-						item.totalChapters,
-						item.totalChapters,
+						item.chaptersDownloaded,
+						item.chaptersDownloaded,
 					)
 					binding.textViewDetails.isVisible = true
 				} else {

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadItemModel.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.download.ui.list
 
 import android.text.format.DateUtils
 import androidx.work.WorkInfo
-import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
+import coil.memory.MemoryCache
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -17,14 +17,15 @@ data class DownloadItemModel(
 	val manga: Manga,
 	val error: String?,
 	val max: Int,
-	val totalChapters: Int,
 	val progress: Int,
 	val eta: Long,
 	val timestamp: Date,
-	val chapters: List<DownloadChapter>,
+	val chaptersDownloaded: Int,
 	val isExpanded: Boolean,
 ) : ListModel, Comparable<DownloadItemModel> {
 
+	val coverCacheKey = MemoryCache.Key(manga.coverUrl, mapOf("dl" to "1"))
+
 	val percent: Float
 		get() = if (max > 0) progress / max.toFloat() else 0f
 
@@ -38,7 +39,7 @@ data class DownloadItemModel(
 		get() = workState == WorkInfo.State.RUNNING && isPaused
 
 	val isExpandable: Boolean
-		get() = chapters.isNotEmpty()
+		get() = false // TODO
 
 	fun getEtaString(): CharSequence? = if (hasEta) {
 		DateUtils.getRelativeTimeSpanString(

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsActivity.kt

@@ -15,6 +15,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
+import org.koitharu.kotatsu.core.ui.list.RecyclerScrollKeeper
 import org.koitharu.kotatsu.core.ui.util.MenuInvalidator
 import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
 import org.koitharu.kotatsu.core.util.ext.observe
@@ -53,6 +54,7 @@ class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
 			addItemDecoration(decoration)
 			adapter = downloadsAdapter
 			selectionController.attachToRecyclerView(this)
+			RecyclerScrollKeeper(this).attach()
 		}
 		addMenuProvider(DownloadsMenuProvider(this, viewModel))
 		viewModel.items.observe(this) {

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsViewModel.kt

@@ -28,7 +28,6 @@ import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.daysDiff
 import org.koitharu.kotatsu.download.domain.DownloadState
-import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.ListHeader
@@ -239,8 +238,6 @@ class DownloadsViewModel @Inject constructor(
 		val mangaId = DownloadState.getMangaId(workData)
 		if (mangaId == 0L) return null
 		val manga = getManga(mangaId) ?: return null
-		val downloadedChapters = DownloadState.getDownloadedChapters(workData)
-		val scheduledChapters = DownloadState.getScheduledChapters(workData).toSet()
 		return DownloadItemModel(
 			id = id,
 			workState = state,
@@ -252,19 +249,8 @@ class DownloadsViewModel @Inject constructor(
 			progress = DownloadState.getProgress(workData),
 			eta = DownloadState.getEta(workData),
 			timestamp = DownloadState.getTimestamp(workData),
-			totalChapters = downloadedChapters.size,
+			chaptersDownloaded = DownloadState.getDownloadedChapters(workData),
 			isExpanded = isExpanded,
-			chapters = manga.chapters?.mapNotNull {
-				if (it.id in scheduledChapters) {
-					DownloadChapter(
-						number = it.number,
-						name = it.name,
-						isDownloaded = it.id in downloadedChapters,
-					)
-				} else {
-					null
-				}
-			}.orEmpty(),
 		)
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadWorker.kt

@@ -38,6 +38,7 @@ import okio.buffer
 import okio.sink
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
+import org.koitharu.kotatsu.core.model.ids
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.network.MangaHttpClient
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
@@ -46,7 +47,6 @@ import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.Throttler
 import org.koitharu.kotatsu.core.util.ext.awaitFinishedWorkInfosByTag
 import org.koitharu.kotatsu.core.util.ext.awaitUpdateWork
-import org.koitharu.kotatsu.core.util.ext.awaitWorkInfoById
 import org.koitharu.kotatsu.core.util.ext.awaitWorkInfosByTag
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.deleteWork
@@ -105,11 +105,12 @@ class DownloadWorker @AssistedInject constructor(
 		setForeground(getForegroundInfo())
 		val mangaId = inputData.getLong(MANGA_ID, 0L)
 		val manga = mangaDataRepository.findMangaById(mangaId) ?: return Result.failure()
-		val chaptersIds = inputData.getLongArray(CHAPTERS_IDS)?.takeUnless { it.isEmpty() }
-		val downloadedIds = getDoneChapters()
 		lastPublishedState = DownloadState(manga, isIndeterminate = true)
+		publishState(DownloadState(manga, isIndeterminate = true))
+		val chaptersIds = inputData.getLongArray(CHAPTERS_IDS)?.takeUnless { it.isEmpty() }
+		val downloadedIds = getDoneChapters(manga)
 		return try {
-			downloadMangaImpl(chaptersIds, downloadedIds)
+			downloadMangaImpl(manga, chaptersIds, downloadedIds)
 			Result.success(currentState.toWorkData())
 		} catch (e: CancellationException) {
 			withContext(NonCancellable) {
@@ -147,10 +148,11 @@ class DownloadWorker @AssistedInject constructor(
 	}
 
 	private suspend fun downloadMangaImpl(
+		subject: Manga,
 		includedIds: LongArray?,
-		excludedIds: LongArray,
+		excludedIds: Set<Long>,
 	) {
-		var manga = currentState.manga
+		var manga = subject
 		val chaptersToSkip = excludedIds.toMutableSet()
 		withMangaLock(manga) {
 			ContextCompat.registerReceiver(
@@ -178,16 +180,9 @@ class DownloadWorker @AssistedInject constructor(
 					}
 				}
 				val chapters = getChapters(mangaDetails, includedIds)
-				publishState(
-					currentState.copy(scheduledChapters = LongArray(chapters.size) { i -> chapters[i].id }),
-				)
 				for ((chapterIndex, chapter) in chapters.withIndex()) {
 					if (chaptersToSkip.remove(chapter.id)) {
-						publishState(
-							currentState.copy(
-								downloadedChapters = currentState.downloadedChapters + chapter.id,
-							),
-						)
+						publishState(currentState.copy(downloadedChapters = currentState.downloadedChapters + 1))
 						continue
 					}
 					val pages = runFailsafe(pausingHandle) {
@@ -225,11 +220,7 @@ class DownloadWorker @AssistedInject constructor(
 							localStorageChanges.emit(LocalMangaInput.of(output.rootFile).getManga())
 						}.onFailure(Throwable::printStackTraceDebug)
 					}
-					publishState(
-						currentState.copy(
-							downloadedChapters = currentState.downloadedChapters + chapter.id,
-						),
-					)
+					publishState(currentState.copy(downloadedChapters = currentState.downloadedChapters + 1))
 				}
 				publishState(currentState.copy(isIndeterminate = true, eta = -1L))
 				output.mergeWithExisting()
@@ -336,11 +327,9 @@ class DownloadWorker @AssistedInject constructor(
 		setProgress(state.toWorkData())
 	}
 
-	private suspend fun getDoneChapters(): LongArray {
-		val work = WorkManager.getInstance(applicationContext).awaitWorkInfoById(id)
-			?: return LongArray(0)
-		return DownloadState.getDownloadedChapters(work.progress)
-	}
+	private suspend fun getDoneChapters(manga: Manga) = runCatchingCancellable {
+		localMangaRepository.getDetails(manga).chapters?.ids()
+	}.getOrNull().orEmpty()
 
 	private fun getChapters(
 		manga: Manga,

app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt

@@ -30,7 +30,7 @@ class MangaSourcesRepository @Inject constructor(
 ) {
 
 	private val dao: MangaSourcesDao
-		get() = db.sourcesDao
+		get() = db.getSourcesDao()
 
 	private val remoteSources = EnumSet.allOf(MangaSource::class.java).apply {
 		remove(MangaSource.LOCAL)

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/FavouritesDao.kt

@@ -169,6 +169,7 @@ abstract class FavouritesDao {
 		ListSortOrder.NEWEST -> "favourites.created_at DESC"
 		ListSortOrder.ALPHABETIC -> "manga.title ASC"
 		ListSortOrder.NEW_CHAPTERS -> "(SELECT chapters_new FROM tracks WHERE tracks.manga_id = manga.manga_id) DESC"
+		ListSortOrder.UPDATED, // for legacy support
 		ListSortOrder.PROGRESS -> "(SELECT percent FROM history WHERE history.manga_id = manga.manga_id) DESC"
 		else -> throw IllegalArgumentException("Sort order $sortOrder is not supported")
 	}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/FavouritesRepository.kt

@@ -31,27 +31,27 @@ class FavouritesRepository @Inject constructor(
 ) {
 
 	suspend fun getAllManga(): List<Manga> {
-		val entities = db.favouritesDao.findAll()
+		val entities = db.getFavouritesDao().findAll()
 		return entities.toMangaList()
 	}
 
 	suspend fun getLastManga(limit: Int): List<Manga> {
-		val entities = db.favouritesDao.findLast(limit)
+		val entities = db.getFavouritesDao().findLast(limit)
 		return entities.toMangaList()
 	}
 
 	fun observeAll(order: ListSortOrder): Flow<List<Manga>> {
-		return db.favouritesDao.observeAll(order)
+		return db.getFavouritesDao().observeAll(order)
 			.mapItems { it.toManga() }
 	}
 
 	suspend fun getManga(categoryId: Long): List<Manga> {
-		val entities = db.favouritesDao.findAll(categoryId)
+		val entities = db.getFavouritesDao().findAll(categoryId)
 		return entities.toMangaList()
 	}
 
 	fun observeAll(categoryId: Long, order: ListSortOrder): Flow<List<Manga>> {
-		return db.favouritesDao.observeAll(categoryId, order)
+		return db.getFavouritesDao().observeAll(categoryId, order)
 			.mapItems { it.toManga() }
 	}
 
@@ -61,25 +61,25 @@ class FavouritesRepository @Inject constructor(
 	}
 
 	fun observeCategories(): Flow<List<FavouriteCategory>> {
-		return db.favouriteCategoriesDao.observeAll().mapItems {
+		return db.getFavouriteCategoriesDao().observeAll().mapItems {
 			it.toFavouriteCategory()
 		}.distinctUntilChanged()
 	}
 
 	fun observeCategoriesForLibrary(): Flow<List<FavouriteCategory>> {
-		return db.favouriteCategoriesDao.observeAllForLibrary().mapItems {
+		return db.getFavouriteCategoriesDao().observeAllForLibrary().mapItems {
 			it.toFavouriteCategory()
 		}.distinctUntilChanged()
 	}
 
 	fun observeCategoriesWithCovers(): Flow<Map<FavouriteCategory, List<Cover>>> {
-		return db.favouriteCategoriesDao.observeAll()
+		return db.getFavouriteCategoriesDao().observeAll()
 			.map {
 				db.withTransaction {
 					val res = LinkedHashMap<FavouriteCategory, List<Cover>>()
 					for (entity in it) {
 						val cat = entity.toFavouriteCategory()
-						res[cat] = db.favouritesDao.findCovers(
+						res[cat] = db.getFavouritesDao().findCovers(
 							categoryId = cat.id,
 							order = cat.order,
 						)
@@ -90,16 +90,16 @@ class FavouritesRepository @Inject constructor(
 	}
 
 	fun observeCategory(id: Long): Flow<FavouriteCategory?> {
-		return db.favouriteCategoriesDao.observe(id)
+		return db.getFavouriteCategoriesDao().observe(id)
 			.map { it?.toFavouriteCategory() }
 	}
 
 	fun observeCategoriesIds(mangaId: Long): Flow<Set<Long>> {
-		return db.favouritesDao.observeIds(mangaId).map { it.toSet() }
+		return db.getFavouritesDao().observeIds(mangaId).map { it.toSet() }
 	}
 
 	suspend fun getCategory(id: Long): FavouriteCategory {
-		return db.favouriteCategoriesDao.find(id.toInt()).toFavouriteCategory()
+		return db.getFavouriteCategoriesDao().find(id.toInt()).toFavouriteCategory()
 	}
 
 	suspend fun createCategory(
@@ -111,14 +111,14 @@ class FavouritesRepository @Inject constructor(
 		val entity = FavouriteCategoryEntity(
 			title = title,
 			createdAt = System.currentTimeMillis(),
-			sortKey = db.favouriteCategoriesDao.getNextSortKey(),
+			sortKey = db.getFavouriteCategoriesDao().getNextSortKey(),
 			categoryId = 0,
 			order = sortOrder.name,
 			track = isTrackerEnabled,
 			deletedAt = 0L,
 			isVisibleInLibrary = isVisibleOnShelf,
 		)
-		val id = db.favouriteCategoriesDao.insert(entity)
+		val id = db.getFavouriteCategoriesDao().insert(entity)
 		val category = entity.toFavouriteCategory(id)
 		channels.createChannel(category)
 		return category
@@ -131,22 +131,22 @@ class FavouritesRepository @Inject constructor(
 		isTrackerEnabled: Boolean,
 		isVisibleOnShelf: Boolean,
 	) {
-		db.favouriteCategoriesDao.update(id, title, sortOrder.name, isTrackerEnabled, isVisibleOnShelf)
+		db.getFavouriteCategoriesDao().update(id, title, sortOrder.name, isTrackerEnabled, isVisibleOnShelf)
 	}
 
 	suspend fun updateCategory(id: Long, isVisibleInLibrary: Boolean) {
-		db.favouriteCategoriesDao.updateLibVisibility(id, isVisibleInLibrary)
+		db.getFavouriteCategoriesDao().updateLibVisibility(id, isVisibleInLibrary)
 	}
 
 	suspend fun updateCategoryTracking(id: Long, isTrackingEnabled: Boolean) {
-		db.favouriteCategoriesDao.updateTracking(id, isTrackingEnabled)
+		db.getFavouriteCategoriesDao().updateTracking(id, isTrackingEnabled)
 	}
 
 	suspend fun removeCategories(ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {
-				db.favouritesDao.deleteAll(id)
-				db.favouriteCategoriesDao.delete(id)
+				db.getFavouritesDao().deleteAll(id)
+				db.getFavouriteCategoriesDao().delete(id)
 			}
 		}
 		// run after transaction success
@@ -156,11 +156,11 @@ class FavouritesRepository @Inject constructor(
 	}
 
 	suspend fun setCategoryOrder(id: Long, order: ListSortOrder) {
-		db.favouriteCategoriesDao.updateOrder(id, order.name)
+		db.getFavouriteCategoriesDao().updateOrder(id, order.name)
 	}
 
 	suspend fun reorderCategories(orderedIds: List<Long>) {
-		val dao = db.favouriteCategoriesDao
+		val dao = db.getFavouriteCategoriesDao()
 		db.withTransaction {
 			for ((i, id) in orderedIds.withIndex()) {
 				dao.updateSortKey(id, i)
@@ -172,8 +172,8 @@ class FavouritesRepository @Inject constructor(
 		db.withTransaction {
 			for (manga in mangas) {
 				val tags = manga.tags.toEntities()
-				db.tagsDao.upsert(tags)
-				db.mangaDao.upsert(manga.toEntity(), tags)
+				db.getTagsDao().upsert(tags)
+				db.getMangaDao().upsert(manga.toEntity(), tags)
 				val entity = FavouriteEntity(
 					mangaId = manga.id,
 					categoryId = categoryId,
@@ -181,7 +181,7 @@ class FavouritesRepository @Inject constructor(
 					sortKey = 0,
 					deletedAt = 0L,
 				)
-				db.favouritesDao.insert(entity)
+				db.getFavouritesDao().insert(entity)
 			}
 		}
 	}
@@ -189,7 +189,7 @@ class FavouritesRepository @Inject constructor(
 	suspend fun removeFromFavourites(ids: Collection<Long>): ReversibleHandle {
 		db.withTransaction {
 			for (id in ids) {
-				db.favouritesDao.delete(mangaId = id)
+				db.getFavouritesDao().delete(mangaId = id)
 			}
 		}
 		return ReversibleHandle { recoverToFavourites(ids) }
@@ -198,14 +198,14 @@ class FavouritesRepository @Inject constructor(
 	suspend fun removeFromCategory(categoryId: Long, ids: Collection<Long>): ReversibleHandle {
 		db.withTransaction {
 			for (id in ids) {
-				db.favouritesDao.delete(categoryId = categoryId, mangaId = id)
+				db.getFavouritesDao().delete(categoryId = categoryId, mangaId = id)
 			}
 		}
 		return ReversibleHandle { recoverToCategory(categoryId, ids) }
 	}
 
 	private fun observeOrder(categoryId: Long): Flow<ListSortOrder> {
-		return db.favouriteCategoriesDao.observe(categoryId)
+		return db.getFavouriteCategoriesDao().observe(categoryId)
 			.filterNotNull()
 			.map { x -> ListSortOrder(x.order, ListSortOrder.NEWEST) }
 			.distinctUntilChanged()
@@ -214,7 +214,7 @@ class FavouritesRepository @Inject constructor(
 	private suspend fun recoverToFavourites(ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {
-				db.favouritesDao.recover(mangaId = id)
+				db.getFavouritesDao().recover(mangaId = id)
 			}
 		}
 	}
@@ -222,7 +222,7 @@ class FavouritesRepository @Inject constructor(
 	private suspend fun recoverToCategory(categoryId: Long, ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {
-				db.favouritesDao.recover(mangaId = id, categoryId = categoryId)
+				db.getFavouritesDao().recover(mangaId = id, categoryId = categoryId)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/history/data/HistoryDao.kt

@@ -23,7 +23,7 @@ abstract class HistoryDao {
 
 	@Transaction
 	@Query("SELECT * FROM history WHERE deleted_at = 0 AND manga_id IN (:ids)")
-	abstract suspend fun findAll(ids: Collection<Long>): List<HistoryEntity?>
+	abstract suspend fun findAll(ids: Collection<Long>): List<HistoryEntity>
 
 	@Transaction
 	@Query("SELECT * FROM history WHERE deleted_at = 0 ORDER BY updated_at DESC")

app/src/main/kotlin/org/koitharu/kotatsu/history/data/HistoryRepository.kt

@@ -15,6 +15,7 @@ import org.koitharu.kotatsu.core.db.entity.toMangaTag
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
 import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.core.model.findById
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.ReversibleHandle
 import org.koitharu.kotatsu.core.util.ext.mapItems
@@ -38,36 +39,36 @@ class HistoryRepository @Inject constructor(
 ) {
 
 	suspend fun getList(offset: Int, limit: Int): List<Manga> {
-		val entities = db.historyDao.findAll(offset, limit)
+		val entities = db.getHistoryDao().findAll(offset, limit)
 		return entities.map { it.manga.toManga(it.tags.toMangaTags()) }
 	}
 
 	suspend fun getLastOrNull(): Manga? {
-		val entity = db.historyDao.findAll(0, 1).firstOrNull() ?: return null
+		val entity = db.getHistoryDao().findAll(0, 1).firstOrNull() ?: return null
 		return entity.manga.toManga(entity.tags.toMangaTags())
 	}
 
 	fun observeLast(): Flow<Manga?> {
-		return db.historyDao.observeAll(1).map {
+		return db.getHistoryDao().observeAll(1).map {
 			val first = it.firstOrNull()
 			first?.manga?.toManga(first.tags.toMangaTags())
 		}
 	}
 
 	fun observeAll(): Flow<List<Manga>> {
-		return db.historyDao.observeAll().mapItems {
+		return db.getHistoryDao().observeAll().mapItems {
 			it.manga.toManga(it.tags.toMangaTags())
 		}
 	}
 
 	fun observeAll(limit: Int): Flow<List<Manga>> {
-		return db.historyDao.observeAll(limit).mapItems {
+		return db.getHistoryDao().observeAll(limit).mapItems {
 			it.manga.toManga(it.tags.toMangaTags())
 		}
 	}
 
 	fun observeAllWithHistory(order: ListSortOrder): Flow<List<MangaWithHistory>> {
-		return db.historyDao.observeAll(order).mapItems {
+		return db.getHistoryDao().observeAll(order).mapItems {
 			MangaWithHistory(
 				it.manga.toManga(it.tags.toMangaTags()),
 				it.history.toMangaHistory(),
@@ -76,13 +77,13 @@ class HistoryRepository @Inject constructor(
 	}
 
 	fun observeOne(id: Long): Flow<MangaHistory?> {
-		return db.historyDao.observe(id).map {
+		return db.getHistoryDao().observe(id).map {
 			it?.toMangaHistory()
 		}
 	}
 
 	fun observeHasItems(): Flow<Boolean> {
-		return db.historyDao.observeCount()
+		return db.getHistoryDao().observeCount()
 			.map { it > 0 }
 			.distinctUntilChanged()
 	}
@@ -93,12 +94,12 @@ class HistoryRepository @Inject constructor(
 		}
 		val tags = manga.tags.toEntities()
 		db.withTransaction {
-			val existing = db.mangaDao.find(manga.id)?.manga
+			val existing = db.getMangaDao().find(manga.id)?.manga
 			if (existing == null || existing.source == manga.source.name) {
-				db.tagsDao.upsert(tags)
-				db.mangaDao.upsert(manga.toEntity(), tags)
+				db.getTagsDao().upsert(tags)
+				db.getMangaDao().upsert(manga.toEntity(), tags)
 			}
-			db.historyDao.upsert(
+			db.getHistoryDao().upsert(
 				HistoryEntity(
 					mangaId = manga.id,
 					createdAt = System.currentTimeMillis(),
@@ -119,29 +120,29 @@ class HistoryRepository @Inject constructor(
 	}
 
 	suspend fun getOne(manga: Manga): MangaHistory? {
-		return db.historyDao.find(manga.id)?.recoverIfNeeded(manga)?.toMangaHistory()
+		return db.getHistoryDao().find(manga.id)?.recoverIfNeeded(manga)?.toMangaHistory()
 	}
 
 	suspend fun getProgress(mangaId: Long): Float {
-		return db.historyDao.findProgress(mangaId) ?: PROGRESS_NONE
+		return db.getHistoryDao().findProgress(mangaId) ?: PROGRESS_NONE
 	}
 
 	suspend fun clear() {
-		db.historyDao.clear()
+		db.getHistoryDao().clear()
 	}
 
 	suspend fun delete(manga: Manga) {
-		db.historyDao.delete(manga.id)
+		db.getHistoryDao().delete(manga.id)
 	}
 
 	suspend fun deleteAfter(minDate: Long) {
-		db.historyDao.deleteAfter(minDate)
+		db.getHistoryDao().deleteAfter(minDate)
 	}
 
 	suspend fun delete(ids: Collection<Long>): ReversibleHandle {
 		db.withTransaction {
 			for (id in ids) {
-				db.historyDao.delete(id)
+				db.getHistoryDao().delete(id)
 			}
 		}
 		return ReversibleHandle {
@@ -154,13 +155,13 @@ class HistoryRepository @Inject constructor(
 	 * Useful for replacing saved manga on deleting it with remote source
 	 */
 	suspend fun deleteOrSwap(manga: Manga, alternative: Manga?) {
-		if (alternative == null || db.mangaDao.update(alternative.toEntity()) <= 0) {
-			db.historyDao.delete(manga.id)
+		if (alternative == null || db.getMangaDao().update(alternative.toEntity()) <= 0) {
+			db.getHistoryDao().delete(manga.id)
 		}
 	}
 
 	suspend fun getPopularTags(limit: Int): List<MangaTag> {
-		return db.historyDao.findPopularTags(limit).map { x -> x.toMangaTag() }
+		return db.getHistoryDao().findPopularTags(limit).map { x -> x.toMangaTag() }
 	}
 
 	fun shouldSkip(manga: Manga): Boolean {
@@ -178,21 +179,21 @@ class HistoryRepository @Inject constructor(
 	private suspend fun recover(ids: Collection<Long>) {
 		db.withTransaction {
 			for (id in ids) {
-				db.historyDao.recover(id)
+				db.getHistoryDao().recover(id)
 			}
 		}
 	}
 
 	private suspend fun HistoryEntity.recoverIfNeeded(manga: Manga): HistoryEntity {
 		val chapters = manga.chapters
-		if (chapters.isNullOrEmpty() || chapters.findById(chapterId) != null) {
+		if (manga.isLocal || chapters.isNullOrEmpty() || chapters.findById(chapterId) != null) {
 			return this
 		}
 		val newChapterId = chapters.getOrNull(
 			(chapters.size * percent).toInt(),
 		)?.id ?: return this
 		val newEntity = copy(chapterId = newChapterId)
-		db.historyDao.update(newEntity)
+		db.getHistoryDao().update(newEntity)
 		return newEntity
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/history/ui/HistoryListFragment.kt

@@ -9,6 +9,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.os.NetworkManageIntent
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
+import org.koitharu.kotatsu.core.ui.list.RecyclerScrollKeeper
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
 import org.koitharu.kotatsu.databinding.FragmentListBinding
 import org.koitharu.kotatsu.list.ui.MangaListFragment
@@ -23,6 +24,7 @@ class HistoryListFragment : MangaListFragment() {
 
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
+		RecyclerScrollKeeper(binding.recyclerView).attach()
 		addMenuProvider(HistoryListMenuProvider(binding.root.context, viewModel))
 	}
 

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

@@ -24,6 +24,7 @@ import coil.request.ImageRequest
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ErrorReporterReceiver
 import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
 import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import org.koitharu.kotatsu.core.util.ext.toBitmapOrNull
@@ -91,6 +92,7 @@ class ImportWorker @AssistedInject constructor(
 			.setPriority(NotificationCompat.PRIORITY_DEFAULT)
 			.setDefaults(0)
 			.setSilent(true)
+			.setAutoCancel(true)
 		result.onSuccess { manga ->
 			notification.setLargeIcon(
 				coil.execute(
@@ -110,10 +112,9 @@ class ImportWorker @AssistedInject constructor(
 					PendingIntent.FLAG_UPDATE_CURRENT,
 					false,
 				),
-			).setAutoCancel(true)
-				.setVisibility(
-					if (manga.isNsfw) NotificationCompat.VISIBILITY_SECRET else NotificationCompat.VISIBILITY_PUBLIC,
-				)
+			).setVisibility(
+				if (manga.isNsfw) NotificationCompat.VISIBILITY_SECRET else NotificationCompat.VISIBILITY_PUBLIC,
+			)
 			notification.setContentTitle(applicationContext.getString(R.string.import_completed))
 				.setContentText(applicationContext.getString(R.string.import_completed_hint))
 				.setSmallIcon(R.drawable.ic_stat_done)
@@ -123,6 +124,11 @@ class ImportWorker @AssistedInject constructor(
 			notification.setContentTitle(applicationContext.getString(R.string.error_occurred))
 				.setContentText(error.getDisplayMessage(applicationContext.resources))
 				.setSmallIcon(android.R.drawable.stat_notify_error)
+				.addAction(
+					R.drawable.ic_alert_outline,
+					applicationContext.getString(R.string.report),
+					ErrorReporterReceiver.getPendingIntent(applicationContext, error),
+				)
 		}
 		return notification.build()
 	}

app/src/main/kotlin/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -183,7 +183,8 @@ class MainActivity : BaseActivity<ActivityMainBinding>(), AppBarOwner, BottomNav
 
 	override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
 		android.R.id.home -> if (isSearchOpened()) {
-			super.onOptionsItemSelected(item)
+			closeSearchCallback.handleOnBackPressed()
+			true
 		} else {
 			viewBinding.searchView.requestFocus()
 			true

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderActivity.kt

@@ -52,6 +52,7 @@ import org.koitharu.kotatsu.core.util.ext.postDelayed
 import org.koitharu.kotatsu.core.util.ext.setValueRounded
 import org.koitharu.kotatsu.core.util.ext.zipWithPrevious
 import org.koitharu.kotatsu.databinding.ActivityReaderBinding
+import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.reader.ui.config.ReaderConfigSheet
@@ -147,6 +148,11 @@ class ReaderActivity :
 		}
 	}
 
+	override fun getParentActivityIntent(): Intent? {
+		val manga = viewModel.manga?.toManga() ?: return null
+		return DetailsActivity.newIntent(this, manga)
+	}
+
 	override fun onUserInteraction() {
 		super.onUserInteraction()
 		scrollTimer.onUserInteraction()
@@ -249,6 +255,7 @@ class ReaderActivity :
 
 	override fun dispatchTouchEvent(ev: MotionEvent): Boolean {
 		touchHelper.dispatchTouchEvent(ev)
+		scrollTimer.onTouchEvent(ev)
 		return super.dispatchTouchEvent(ev)
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ScrollTimer.kt

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.reader.ui
 
+import android.view.MotionEvent
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.lifecycleScope
 import dagger.assisted.Assisted
@@ -8,11 +9,14 @@ import dagger.assisted.AssistedInject
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.yield
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import kotlin.math.roundToLong
@@ -33,6 +37,7 @@ class ScrollTimer @AssistedInject constructor(
 	private var delayMs: Long = 10L
 	private var pageSwitchDelay: Long = 100L
 	private var resumeAt = 0L
+	private var isTouchDown = MutableStateFlow(false)
 
 	var isEnabled: Boolean = false
 		set(value) {
@@ -55,6 +60,19 @@ class ScrollTimer @AssistedInject constructor(
 		resumeAt = System.currentTimeMillis() + INTERACTION_SKIP_MS
 	}
 
+	fun onTouchEvent(event: MotionEvent) {
+		when (event.actionMasked) {
+			MotionEvent.ACTION_DOWN -> {
+				isTouchDown.value = true
+			}
+
+			MotionEvent.ACTION_UP,
+			MotionEvent.ACTION_CANCEL -> {
+				isTouchDown.value = false
+			}
+		}
+	}
+
 	private fun onSpeedChanged(speed: Float) {
 		if (speed <= 0f) {
 			delayMs = 0L
@@ -108,12 +126,18 @@ class ScrollTimer @AssistedInject constructor(
 	}
 
 	private fun isPaused(): Boolean {
-		return resumeAt > System.currentTimeMillis()
+		return isTouchDown.value || resumeAt > System.currentTimeMillis()
 	}
 
 	private suspend fun delayUntilResumed() {
 		while (isPaused()) {
-			delay(resumeAt - System.currentTimeMillis())
+			val delayTime = resumeAt - System.currentTimeMillis()
+			if (delayTime > 0) {
+				delay(delayTime)
+			} else {
+				yield()
+			}
+			isTouchDown.first { !it }
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -12,6 +12,7 @@ import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.getAndUpdate
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
@@ -95,7 +96,6 @@ open class RemoteListViewModel @Inject constructor(
 			.onEach { filterState ->
 				loadingJob?.cancelAndJoin()
 				mangaList.value = null
-				hasNextPage.value = false
 				loadList(filterState, false)
 			}.catch { error ->
 				listError.value = error
@@ -134,12 +134,18 @@ open class RemoteListViewModel @Inject constructor(
 					sortOrder = filterState.sortOrder,
 					tags = filterState.tags,
 				)
-				if (!append) {
-					mangaList.value = list
-				} else if (list.isNotEmpty()) {
-					mangaList.value = mangaList.value?.plus(list) ?: list
+				val oldList = mangaList.getAndUpdate { oldList ->
+					if (!append || oldList.isNullOrEmpty()) {
+						list
+					} else {
+						oldList + list
+					}
+				}.orEmpty()
+				hasNextPage.value = if (append) {
+					list.isNotEmpty()
+				} else {
+					list.size > oldList.size || hasNextPage.value
 				}
-				hasNextPage.value = list.isNotEmpty() // TODO check if new ids added
 			} catch (e: CancellationException) {
 				throw e
 			} catch (e: Throwable) {
@@ -148,6 +154,7 @@ open class RemoteListViewModel @Inject constructor(
 				if (!mangaList.value.isNullOrEmpty()) {
 					errorEvent.call(e)
 				}
+				hasNextPage.value = false
 			}
 		}.also { loadingJob = it }
 	}

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/anilist/data/AniListRepository.kt

@@ -106,7 +106,7 @@ class AniListRepository @Inject constructor(
 		}
 
 	override suspend fun unregister(mangaId: Long) {
-		return db.scrobblingDao.delete(ScrobblerService.ANILIST.id, mangaId)
+		return db.getScrobblingDao().delete(ScrobblerService.ANILIST.id, mangaId)
 	}
 
 	override fun logout() {
@@ -223,7 +223,7 @@ class AniListRepository @Inject constructor(
 			comment = json.getString("notes"),
 			rating = scoreFormat.normalize(json.getDouble("score").toFloat()),
 		)
-		db.scrobblingDao.upsert(entity)
+		db.getScrobblingDao().upsert(entity)
 	}
 
 	private fun ScrobblerManga(json: JSONObject): ScrobblerManga {

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/anilist/domain/AniListScrobbler.kt

@@ -29,7 +29,7 @@ class AniListScrobbler @Inject constructor(
 		status: ScrobblingStatus?,
 		comment: String?,
 	) {
-		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId)
+		val entity = db.getScrobblingDao().find(scrobblerService.id, mangaId)
 		requireNotNull(entity) { "Scrobbling info for manga $mangaId not found" }
 		repository.updateRate(
 			rateId = entity.id,

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/domain/Scrobbler.kt

@@ -67,24 +67,24 @@ abstract class Scrobbler(
 	}
 
 	suspend fun scrobble(mangaId: Long, chapter: MangaChapter) {
-		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId) ?: return
+		val entity = db.getScrobblingDao().find(scrobblerService.id, mangaId) ?: return
 		repository.updateRate(entity.id, entity.mangaId, chapter)
 	}
 
 	suspend fun getScrobblingInfoOrNull(mangaId: Long): ScrobblingInfo? {
-		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId) ?: return null
+		val entity = db.getScrobblingDao().find(scrobblerService.id, mangaId) ?: return null
 		return entity.toScrobblingInfo()
 	}
 
 	abstract suspend fun updateScrobblingInfo(mangaId: Long, rating: Float, status: ScrobblingStatus?, comment: String?)
 
 	fun observeScrobblingInfo(mangaId: Long): Flow<ScrobblingInfo?> {
-		return db.scrobblingDao.observe(scrobblerService.id, mangaId)
+		return db.getScrobblingDao().observe(scrobblerService.id, mangaId)
 			.map { it?.toScrobblingInfo() }
 	}
 
 	fun observeAllScrobblingInfo(): Flow<List<ScrobblingInfo>> {
-		return db.scrobblingDao.observe(scrobblerService.id)
+		return db.getScrobblingDao().observe(scrobblerService.id)
 			.map { entities ->
 				coroutineScope {
 					entities.map {

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/ui/selector/ScrobblingSelectorViewModel.kt

@@ -10,6 +10,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
@@ -18,6 +19,7 @@ import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.require
 import org.koitharu.kotatsu.core.util.ext.requireValue
 import org.koitharu.kotatsu.list.ui.model.ListModel
@@ -27,7 +29,6 @@ import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.scrobbling.common.domain.Scrobbler
 import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblerManga
 import org.koitharu.kotatsu.scrobbling.common.ui.selector.model.ScrobblerHint
-import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import javax.inject.Inject
 
 @HiltViewModel
@@ -53,7 +54,7 @@ class ScrobblingSelectorViewModel @Inject constructor(
 		get() = availableScrobblers[selectedScrobblerIndex.requireValue()]
 
 	val content: StateFlow<List<ListModel>> = combine(
-		scrobblerMangaList,
+		scrobblerMangaList.map { it.distinctBy { x -> x.id } },
 		listError,
 		hasNextPage,
 	) { list, error, isHasNextPage ->

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/mal/data/MALRepository.kt

@@ -85,7 +85,7 @@ class MALRepository @Inject constructor(
 	}
 
 	override suspend fun unregister(mangaId: Long) {
-		return db.scrobblingDao.delete(ScrobblerService.MAL.id, mangaId)
+		return db.getScrobblingDao().delete(ScrobblerService.MAL.id, mangaId)
 	}
 
 	override suspend fun findManga(query: String, offset: Int): List<ScrobblerManga> {
@@ -98,6 +98,7 @@ class MALRepository @Inject constructor(
 			.build()
 		val request = Request.Builder().url(url).get().build()
 		val response = okHttp.newCall(request).await().parseJson()
+		check(response.has("data")) { "Invalid response: \"$response\"" }
 		val data = response.getJSONArray("data")
 		return data.mapJSONNotNull { jsonToManga(it) }
 	}
@@ -175,7 +176,7 @@ class MALRepository @Inject constructor(
 			comment = json.getString("comments"),
 			rating = (json.getDouble("score").toFloat() / 10f).coerceIn(0f, 1f),
 		)
-		db.scrobblingDao.upsert(entity)
+		db.getScrobblingDao().upsert(entity)
 	}
 
 	override fun logout() {

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/mal/domain/MALScrobbler.kt

@@ -30,7 +30,7 @@ class MALScrobbler @Inject constructor(
 		status: ScrobblingStatus?,
 		comment: String?,
 	) {
-		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId)
+		val entity = db.getScrobblingDao().find(scrobblerService.id, mangaId)
 		requireNotNull(entity) { "Scrobbling info for manga $mangaId not found" }
 		repository.updateRate(
 			rateId = entity.id,

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/shikimori/data/ShikimoriRepository.kt

@@ -84,7 +84,7 @@ class ShikimoriRepository @Inject constructor(
 		}
 
 	override suspend fun unregister(mangaId: Long) {
-		return db.scrobblingDao.delete(ScrobblerService.SHIKIMORI.id, mangaId)
+		return db.getScrobblingDao().delete(ScrobblerService.SHIKIMORI.id, mangaId)
 	}
 
 	override fun logout() {
@@ -192,7 +192,7 @@ class ShikimoriRepository @Inject constructor(
 			comment = json.getString("text"),
 			rating = (json.getDouble("score").toFloat() / 10f).coerceIn(0f, 1f),
 		)
-		db.scrobblingDao.upsert(entity)
+		db.getScrobblingDao().upsert(entity)
 	}
 
 	private fun ScrobblerManga(json: JSONObject) = ScrobblerManga(

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/shikimori/domain/ShikimoriScrobbler.kt

@@ -31,7 +31,7 @@ class ShikimoriScrobbler @Inject constructor(
 		status: ScrobblingStatus?,
 		comment: String?,
 	) {
-		val entity = db.scrobblingDao.find(scrobblerService.id, mangaId)
+		val entity = db.getScrobblingDao().find(scrobblerService.id, mangaId)
 		requireNotNull(entity) { "Scrobbling info for manga $mangaId not found" }
 		repository.updateRate(
 			rateId = entity.id,

app/src/main/kotlin/org/koitharu/kotatsu/search/domain/MangaSearchRepository.kt

@@ -40,9 +40,9 @@ class MangaSearchRepository @Inject constructor(
 		}
 		val skipNsfw = settings.isNsfwContentDisabled
 		return if (source != null) {
-			db.mangaDao.searchByTitle("%$query%", source.name, limit)
+			db.getMangaDao().searchByTitle("%$query%", source.name, limit)
 		} else {
-			db.mangaDao.searchByTitle("%$query%", limit)
+			db.getMangaDao().searchByTitle("%$query%", limit)
 		}.let {
 			if (skipNsfw) it.filterNot { x -> x.manga.isNsfw } else it
 		}
@@ -83,7 +83,7 @@ class MangaSearchRepository @Inject constructor(
 		if (query.isEmpty()) {
 			return emptyList()
 		}
-		val titles = db.suggestionDao.getTitles("$query%")
+		val titles = db.getSuggestionDao().getTitles("$query%")
 		if (titles.isEmpty()) {
 			return emptyList()
 		}
@@ -92,19 +92,20 @@ class MangaSearchRepository @Inject constructor(
 
 	suspend fun getTagsSuggestion(query: String, limit: Int, source: MangaSource?): List<MangaTag> {
 		return when {
-			query.isNotEmpty() && source != null -> db.tagsDao.findTags(source.name, "%$query%", limit)
-			query.isNotEmpty() -> db.tagsDao.findTags("%$query%", limit)
-			source != null -> db.tagsDao.findPopularTags(source.name, limit)
-			else -> db.tagsDao.findPopularTags(limit)
+			query.isNotEmpty() && source != null -> db.getTagsDao()
+				.findTags(source.name, "%$query%", limit)
+			query.isNotEmpty() -> db.getTagsDao().findTags("%$query%", limit)
+			source != null -> db.getTagsDao().findPopularTags(source.name, limit)
+			else -> db.getTagsDao().findPopularTags(limit)
 		}.toMangaTagsList()
 	}
 
 	suspend fun getTagsSuggestion(tags: Set<MangaTag>): List<MangaTag> {
 		val ids = tags.mapToSet { it.toEntity().id }
 		return if (ids.size == 1) {
-			db.tagsDao.findRelatedTags(ids.first())
+			db.getTagsDao().findRelatedTags(ids.first())
 		} else {
-			db.tagsDao.findRelatedTags(ids)
+			db.getTagsDao().findRelatedTags(ids)
 		}.mapNotNull { x ->
 			if (x.id in ids) null else x.toMangaTag()
 		}

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/suggestion/adapter/SearchSuggestionQueryHintAD.kt

@@ -12,7 +12,7 @@ fun searchSuggestionQueryHintAD(
 	{ inflater, parent -> ItemSearchSuggestionQueryHintBinding.inflate(inflater, parent, false) },
 ) {
 
-	val viewClickListener = View.OnClickListener { v ->
+	val viewClickListener = View.OnClickListener { _ ->
 		listener.onQueryClick(item.query, true)
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/BackupViewModel.kt

@@ -43,7 +43,6 @@ class BackupViewModel @Inject constructor(
 
 				backup.finish()
 				progress.value = 1f
-				backup.close()
 				backup.file
 			}
 			onBackupDone.call(file)

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupSettingsFragment.kt

@@ -0,0 +1,98 @@
+package org.koitharu.kotatsu.settings.backup
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.view.View
+import androidx.activity.result.ActivityResultCallback
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.documentfile.provider.DocumentFile
+import androidx.preference.Preference
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.backup.DIR_BACKUPS
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BasePreferenceFragment
+import org.koitharu.kotatsu.core.util.ext.resolveFile
+import org.koitharu.kotatsu.core.util.ext.tryLaunch
+import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
+import java.io.File
+import java.text.SimpleDateFormat
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class PeriodicalBackupSettingsFragment : BasePreferenceFragment(R.string.periodic_backups),
+	ActivityResultCallback<Uri?> {
+
+	@Inject
+	lateinit var scheduler: PeriodicalBackupWorker.Scheduler
+
+	private val outputSelectCall = registerForActivityResult(
+		ActivityResultContracts.OpenDocumentTree(),
+		this,
+	)
+
+	override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+		addPreferencesFromResource(R.xml.pref_backup_periodic)
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		bindOutputSummary()
+		bindLastBackupInfo()
+	}
+
+	override fun onPreferenceTreeClick(preference: Preference): Boolean {
+		return when (preference.key) {
+			AppSettings.KEY_BACKUP_PERIODICAL_OUTPUT -> outputSelectCall.tryLaunch(null)
+			else -> super.onPreferenceTreeClick(preference)
+		}
+	}
+
+	override fun onActivityResult(result: Uri?) {
+		if (result != null) {
+			val takeFlags: Int = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+			context?.contentResolver?.takePersistableUriPermission(result, takeFlags)
+			settings.periodicalBackupOutput = result
+			bindOutputSummary()
+		}
+	}
+
+	private fun bindOutputSummary() {
+		val preference = findPreference<Preference>(AppSettings.KEY_BACKUP_PERIODICAL_OUTPUT) ?: return
+		viewLifecycleScope.launch {
+			preference.summary = withContext(Dispatchers.Default) {
+				val value = settings.periodicalBackupOutput
+				value?.toUserFriendlyString(preference.context) ?: preference.context.run {
+					getExternalFilesDir(DIR_BACKUPS) ?: File(filesDir, DIR_BACKUPS)
+				}.path
+			}
+		}
+	}
+
+	private fun bindLastBackupInfo() {
+		val preference = findPreference<Preference>(AppSettings.KEY_BACKUP_PERIODICAL_LAST) ?: return
+		viewLifecycleScope.launch {
+			val lastDate = withContext(Dispatchers.Default) {
+				scheduler.getLastSuccessfulBackup()
+			}
+			preference.summary = lastDate?.let {
+				val format = SimpleDateFormat.getDateTimeInstance(SimpleDateFormat.MEDIUM, SimpleDateFormat.SHORT)
+				preference.context.getString(R.string.last_successful_backup, format.format(it))
+			}
+			preference.isVisible = lastDate != null
+		}
+	}
+
+	private fun Uri.toUserFriendlyString(context: Context): String {
+		val df = DocumentFile.fromTreeUri(context, this)
+		if (df?.canWrite() != true) {
+			return context.getString(R.string.invalid_value_message)
+		}
+		return resolveFile(context)?.path ?: toString()
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/backup/PeriodicalBackupWorker.kt

@@ -0,0 +1,116 @@
+package org.koitharu.kotatsu.settings.backup
+
+import android.content.Context
+import android.os.Build
+import androidx.documentfile.provider.DocumentFile
+import androidx.hilt.work.HiltWorker
+import androidx.work.Constraints
+import androidx.work.CoroutineWorker
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkInfo
+import androidx.work.WorkManager
+import androidx.work.WorkerParameters
+import androidx.work.await
+import androidx.work.workDataOf
+import dagger.Reusable
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import okio.buffer
+import okio.sink
+import okio.source
+import org.koitharu.kotatsu.core.backup.BackupRepository
+import org.koitharu.kotatsu.core.backup.BackupZipOutput
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.ext.awaitUniqueWorkInfoByName
+import org.koitharu.kotatsu.core.util.ext.deleteAwait
+import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
+import org.koitharu.kotatsu.settings.work.PeriodicWorkScheduler
+import java.util.Date
+import java.util.concurrent.TimeUnit
+import javax.inject.Inject
+
+@HiltWorker
+class PeriodicalBackupWorker @AssistedInject constructor(
+	@Assisted appContext: Context,
+	@Assisted params: WorkerParameters,
+	private val repository: BackupRepository,
+	private val settings: AppSettings,
+) : CoroutineWorker(appContext, params) {
+
+	override suspend fun doWork(): Result {
+		val resultData = workDataOf(DATA_TIMESTAMP to Date().time)
+		val file = BackupZipOutput(applicationContext).use { backup ->
+			backup.put(repository.createIndex())
+			backup.put(repository.dumpHistory())
+			backup.put(repository.dumpCategories())
+			backup.put(repository.dumpFavourites())
+			backup.put(repository.dumpBookmarks())
+			backup.put(repository.dumpSettings())
+			backup.finish()
+			backup.file
+		}
+		val dirUri = settings.periodicalBackupOutput ?: return Result.success(resultData)
+		val target = DocumentFile.fromTreeUri(applicationContext, dirUri)
+			?.createFile("application/zip", file.name)
+			?.uri ?: return Result.failure()
+		applicationContext.contentResolver.openOutputStream(target)?.use { output ->
+			file.source().use { input ->
+				output.sink().buffer().writeAllCancellable(input)
+			}
+		} ?: return Result.failure()
+		file.deleteAwait()
+		return Result.success(resultData)
+	}
+
+	@Reusable
+	class Scheduler @Inject constructor(
+		private val workManager: WorkManager,
+		private val settings: AppSettings,
+	) : PeriodicWorkScheduler {
+
+		override suspend fun schedule() {
+			val constraints = Constraints.Builder()
+				.setRequiresStorageNotLow(true)
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+				constraints.setRequiresDeviceIdle(true)
+			}
+			val request = PeriodicWorkRequestBuilder<PeriodicalBackupWorker>(
+				settings.periodicalBackupFrequency,
+				TimeUnit.DAYS,
+			).setConstraints(constraints.build())
+				.addTag(TAG)
+				.build()
+			workManager
+				.enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.UPDATE, request)
+				.await()
+		}
+
+		override suspend fun unschedule() {
+			workManager
+				.cancelUniqueWork(TAG)
+				.await()
+		}
+
+		override suspend fun isScheduled(): Boolean {
+			return workManager
+				.awaitUniqueWorkInfoByName(TAG)
+				.any { !it.state.isFinished }
+		}
+
+		suspend fun getLastSuccessfulBackup(): Date? {
+			return workManager
+				.awaitUniqueWorkInfoByName(TAG)
+				.lastOrNull { x -> x.state == WorkInfo.State.SUCCEEDED }
+				?.outputData
+				?.getLong(DATA_TIMESTAMP, 0)
+				?.let { if (it != 0L) Date(it) else null }
+		}
+	}
+
+	private companion object {
+
+		const val TAG = "backups"
+		const val DATA_TIMESTAMP = "ts"
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/settings/userdata/UserDataSettingsFragment.kt

@@ -65,6 +65,7 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 		findPreference<Preference>(AppSettings.KEY_PAGES_CACHE_CLEAR)?.bindBytesSizeSummary(checkNotNull(viewModel.cacheSizes[CacheDir.PAGES]))
 		findPreference<Preference>(AppSettings.KEY_THUMBS_CACHE_CLEAR)?.bindBytesSizeSummary(checkNotNull(viewModel.cacheSizes[CacheDir.THUMBS]))
 		findPreference<Preference>(AppSettings.KEY_HTTP_CACHE_CLEAR)?.bindBytesSizeSummary(viewModel.httpCacheSize)
+		bindPeriodicalBackupSummary()
 		findPreference<Preference>(AppSettings.KEY_SEARCH_HISTORY_CLEAR)?.let { pref ->
 			viewModel.searchHistoryCount.observe(viewLifecycleOwner) {
 				pref.summary = if (it < 0) {
@@ -200,6 +201,20 @@ class UserDataSettingsFragment : BasePreferenceFragment(R.string.data_and_privac
 		}
 	}
 
+	private fun bindPeriodicalBackupSummary() {
+		val preference = findPreference<Preference>(AppSettings.KEY_BACKUP_PERIODICAL_ENABLED) ?: return
+		val entries = resources.getStringArray(R.array.backup_frequency)
+		val entryValues = resources.getStringArray(R.array.values_backup_frequency)
+		viewModel.periodicalBackupFrequency.observe(viewLifecycleOwner) { freq ->
+			preference.summary = if (freq == 0L) {
+				getString(R.string.disabled)
+			} else {
+				val index = entryValues.indexOf(freq.toString())
+				entries.getOrNull(index)
+			}
+		}
+	}
+
 	private fun clearSearchHistory() {
 		MaterialAlertDialogBuilder(context ?: return)
 			.setTitle(R.string.clear_search_history)

app/src/main/kotlin/org/koitharu/kotatsu/settings/userdata/UserDataSettingsViewModel.kt

@@ -5,12 +5,15 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancelAndJoin
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.runInterruptible
 import okhttp3.Cache
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.network.cookies.MutableCookieJar
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
@@ -29,6 +32,7 @@ class UserDataSettingsViewModel @Inject constructor(
 	private val searchRepository: MangaSearchRepository,
 	private val trackingRepository: TrackingRepository,
 	private val cookieJar: MutableCookieJar,
+	private val settings: AppSettings,
 ) : BaseViewModel() {
 
 	val onActionDone = MutableEventFlow<ReversibleAction>()
@@ -40,6 +44,20 @@ class UserDataSettingsViewModel @Inject constructor(
 	val cacheSizes = EnumMap<CacheDir, MutableStateFlow<Long>>(CacheDir::class.java)
 	val storageUsage = MutableStateFlow<StorageUsage?>(null)
 
+	val periodicalBackupFrequency = settings.observeAsFlow(
+		key = AppSettings.KEY_BACKUP_PERIODICAL_ENABLED,
+		valueProducer = { isPeriodicalBackupEnabled },
+	).flatMapLatest { isEnabled ->
+		if (isEnabled) {
+			settings.observeAsFlow(
+				key = AppSettings.KEY_BACKUP_PERIODICAL_FREQUENCY,
+				valueProducer = { periodicalBackupFrequency },
+			)
+		} else {
+			flowOf(0)
+		}
+	}
+
 	private var storageUsageJob: Job? = null
 
 	init {

app/src/main/kotlin/org/koitharu/kotatsu/settings/utils/TagsAutoCompleteProvider.kt

@@ -11,7 +11,7 @@ class TagsAutoCompleteProvider @Inject constructor(
 		if (query.isEmpty()) {
 			return emptyList()
 		}
-		val tags = db.tagsDao.findTags(query = "$query%", limit = 6)
+		val tags = db.getTagsDao().findTags(query = "$query%", limit = 6)
 		val set = HashSet<String>()
 		val result = ArrayList<String>(tags.size)
 		for (tag in tags) {

app/src/main/kotlin/org/koitharu/kotatsu/settings/work/WorkScheduleManager.kt

@@ -5,6 +5,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
+import org.koitharu.kotatsu.settings.backup.PeriodicalBackupWorker
 import org.koitharu.kotatsu.suggestions.ui.SuggestionsWorker
 import org.koitharu.kotatsu.tracker.work.TrackWorker
 import javax.inject.Inject
@@ -13,6 +14,7 @@ class WorkScheduleManager @Inject constructor(
 	private val settings: AppSettings,
 	private val suggestionScheduler: SuggestionsWorker.Scheduler,
 	private val trackerScheduler: TrackWorker.Scheduler,
+	private val periodicalBackupScheduler: PeriodicalBackupWorker.Scheduler,
 ) : SharedPreferences.OnSharedPreferenceChangeListener {
 
 	override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
@@ -30,6 +32,13 @@ class WorkScheduleManager @Inject constructor(
 				isEnabled = settings.isSuggestionsEnabled,
 				force = key != AppSettings.KEY_SUGGESTIONS,
 			)
+
+			AppSettings.KEY_BACKUP_PERIODICAL_ENABLED,
+			AppSettings.KEY_BACKUP_PERIODICAL_FREQUENCY -> updateWorker(
+				scheduler = periodicalBackupScheduler,
+				isEnabled = settings.isPeriodicalBackupEnabled,
+				force = key != AppSettings.KEY_BACKUP_PERIODICAL_ENABLED,
+			)
 		}
 	}
 
@@ -38,6 +47,7 @@ class WorkScheduleManager @Inject constructor(
 		processLifecycleScope.launch(Dispatchers.Default) {
 			updateWorkerImpl(trackerScheduler, settings.isTrackerEnabled, false)
 			updateWorkerImpl(suggestionScheduler, settings.isSuggestionsEnabled, false)
+			updateWorkerImpl(periodicalBackupScheduler, settings.isPeriodicalBackupEnabled, false)
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/suggestions/domain/SuggestionRepository.kt

@@ -17,39 +17,39 @@ class SuggestionRepository @Inject constructor(
 ) {
 
 	fun observeAll(): Flow<List<Manga>> {
-		return db.suggestionDao.observeAll().mapItems {
+		return db.getSuggestionDao().observeAll().mapItems {
 			it.manga.toManga(it.tags.toMangaTags())
 		}
 	}
 
 	fun observeAll(limit: Int): Flow<List<Manga>> {
-		return db.suggestionDao.observeAll(limit).mapItems {
+		return db.getSuggestionDao().observeAll(limit).mapItems {
 			it.manga.toManga(it.tags.toMangaTags())
 		}
 	}
 
 	suspend fun getRandom(): Manga? {
-		return db.suggestionDao.getRandom()?.let {
+		return db.getSuggestionDao().getRandom()?.let {
 			it.manga.toManga(it.tags.toMangaTags())
 		}
 	}
 
 	suspend fun clear() {
-		db.suggestionDao.deleteAll()
+		db.getSuggestionDao().deleteAll()
 	}
 
 	suspend fun isEmpty(): Boolean {
-		return db.suggestionDao.count() == 0
+		return db.getSuggestionDao().count() == 0
 	}
 
 	suspend fun replace(suggestions: Iterable<MangaSuggestion>) {
 		db.withTransaction {
-			db.suggestionDao.deleteAll()
+			db.getSuggestionDao().deleteAll()
 			suggestions.forEach { (manga, relevance) ->
 				val tags = manga.tags.toEntities()
-				db.tagsDao.upsert(tags)
-				db.mangaDao.upsert(manga.toEntity(), tags)
-				db.suggestionDao.upsert(
+				db.getTagsDao().upsert(tags)
+				db.getMangaDao().upsert(manga.toEntity(), tags)
+				db.getSuggestionDao().upsert(
 					SuggestionEntity(
 						mangaId = manga.id,
 						relevance = relevance,

app/src/main/kotlin/org/koitharu/kotatsu/suggestions/ui/SuggestionsActivity.kt

@@ -29,8 +29,7 @@ class SuggestionsActivity :
 		if (fm.findFragmentById(R.id.container) == null) {
 			fm.commit {
 				setReorderingAllowed(true)
-				val fragment = SuggestionsFragment.newInstance()
-				replace(R.id.container, fragment)
+				replace(R.id.container, SuggestionsFragment::class.java, null)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/sync/domain/SyncController.kt

@@ -120,11 +120,11 @@ class SyncController @Inject constructor(
 	private suspend fun MangaDatabase.gc(favourites: Boolean, history: Boolean) = withTransaction {
 		val deletedAt = System.currentTimeMillis() - defaultGcPeriod
 		if (history) {
-			historyDao.gc(deletedAt)
+			getHistoryDao().gc(deletedAt)
 		}
 		if (favourites) {
-			favouritesDao.gc(deletedAt)
-			favouriteCategoriesDao.gc(deletedAt)
+			getFavouritesDao().gc(deletedAt)
+			getFavouriteCategoriesDao().gc(deletedAt)
 		}
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/sync/domain/SyncHelper.kt

@@ -130,9 +130,6 @@ class SyncHelper @AssistedInject constructor(
 	private fun upsertHistory(json: JSONArray, timestamp: Long): Array<ContentProviderResult> {
 		val uri = uri(authorityHistory, TABLE_HISTORY)
 		val operations = ArrayList<ContentProviderOperation>()
-		operations += ContentProviderOperation.newDelete(uri)
-			.withSelection("updated_at < ?", arrayOf(timestamp.toString()))
-			.build()
 		json.mapJSONTo(operations) { jo ->
 			operations.addAll(upsertManga(jo.removeJSONObject("manga"), authorityHistory))
 			ContentProviderOperation.newInsert(uri)
@@ -145,9 +142,6 @@ class SyncHelper @AssistedInject constructor(
 	private fun upsertFavouriteCategories(json: JSONArray, timestamp: Long): Array<ContentProviderResult> {
 		val uri = uri(authorityFavourites, TABLE_FAVOURITE_CATEGORIES)
 		val operations = ArrayList<ContentProviderOperation>()
-		operations += ContentProviderOperation.newDelete(uri)
-			.withSelection("created_at < ?", arrayOf(timestamp.toString()))
-			.build()
 		json.mapJSONTo(operations) { jo ->
 			ContentProviderOperation.newInsert(uri)
 				.withValues(jo.toContentValues())
@@ -159,9 +153,6 @@ class SyncHelper @AssistedInject constructor(
 	private fun upsertFavourites(json: JSONArray, timestamp: Long): Array<ContentProviderResult> {
 		val uri = uri(authorityFavourites, TABLE_FAVOURITES)
 		val operations = ArrayList<ContentProviderOperation>()
-		operations += ContentProviderOperation.newDelete(uri)
-			.withSelection("created_at < ?", arrayOf(timestamp.toString()))
-			.build()
 		json.mapJSONTo(operations) { jo ->
 			operations.addAll(upsertManga(jo.removeJSONObject("manga"), authorityFavourites))
 			ContentProviderOperation.newInsert(uri)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TrackEntity.kt

@@ -20,11 +20,11 @@ import org.koitharu.kotatsu.core.db.entity.MangaEntity
 class TrackEntity(
 	@PrimaryKey(autoGenerate = false)
 	@ColumnInfo(name = "manga_id") val mangaId: Long,
-	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.ERROR)
+	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.WARNING)
 	@ColumnInfo(name = "chapters_total") val totalChapters: Int,
 	@ColumnInfo(name = "last_chapter_id") val lastChapterId: Long,
 	@ColumnInfo(name = "chapters_new") val newChapters: Int,
 	@ColumnInfo(name = "last_check") val lastCheck: Long,
-	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.ERROR)
+	@get:Deprecated(message = "Should not be used", level = DeprecationLevel.WARNING)
 	@ColumnInfo(name = "last_notified_id") val lastNotifiedChapterId: Long
 )

app/src/main/kotlin/org/koitharu/kotatsu/tracker/data/TracksDao.kt

@@ -1,7 +1,7 @@
 package org.koitharu.kotatsu.tracker.data
 
 import androidx.room.Dao
-import androidx.room.MapInfo
+import androidx.room.MapColumn
 import androidx.room.Query
 import androidx.room.Transaction
 import androidx.room.Upsert
@@ -23,9 +23,8 @@ abstract class TracksDao {
 	@Query("SELECT chapters_new FROM tracks WHERE manga_id = :mangaId")
 	abstract suspend fun findNewChapters(mangaId: Long): Int?
 
-	@MapInfo(keyColumn = "manga_id", valueColumn = "chapters_new")
 	@Query("SELECT manga_id, chapters_new FROM tracks")
-	abstract fun observeNewChaptersMap(): Flow<Map<Long, Int>>
+	abstract fun observeNewChaptersMap(): Flow<Map<@MapColumn(columnName = "manga_id") Long, @MapColumn(columnName = "chapters_new") Int>>
 
 	@Query("SELECT chapters_new FROM tracks")
 	abstract fun observeNewChapters(): Flow<List<Int>>

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

@@ -41,23 +41,23 @@ class TrackingRepository @Inject constructor(
 	private var isGcCalled = AtomicBoolean(false)
 
 	suspend fun getNewChaptersCount(mangaId: Long): Int {
-		return db.tracksDao.findNewChapters(mangaId) ?: 0
+		return db.getTracksDao().findNewChapters(mangaId) ?: 0
 	}
 
 	fun observeNewChaptersCount(mangaId: Long): Flow<Int> {
-		return db.tracksDao.observeNewChapters(mangaId).map { it ?: 0 }
+		return db.getTracksDao().observeNewChapters(mangaId).map { it ?: 0 }
 	}
 
 	fun observeUpdatedMangaCount(): Flow<Int> {
-		return db.tracksDao.observeNewChapters().map { list -> list.count { it > 0 } }
+		return db.getTracksDao().observeNewChapters().map { list -> list.count { it > 0 } }
 			.onStart { gcIfNotCalled() }
 	}
 
 	fun observeUpdatedManga(limit: Int = 0): Flow<List<Manga>> {
 		return if (limit == 0) {
-			db.tracksDao.observeUpdatedManga()
+			db.getTracksDao().observeUpdatedManga()
 		} else {
-			db.tracksDao.observeUpdatedManga(limit)
+			db.getTracksDao().observeUpdatedManga(limit)
 		}.mapItems { it.toManga() }
 			.distinctUntilChanged()
 			.onStart { gcIfNotCalled() }
@@ -65,7 +65,7 @@ class TrackingRepository @Inject constructor(
 
 	suspend fun getTracks(mangaList: Collection<Manga>): List<MangaTracking> {
 		val ids = mangaList.mapToSet { it.id }
-		val tracks = db.tracksDao.findAll(ids).groupBy { it.mangaId }
+		val tracks = db.getTracksDao().findAll(ids).groupBy { it.mangaId }
 		val idSet = HashSet<Long>()
 		val result = ArrayList<MangaTracking>(mangaList.size)
 		for (item in mangaList) {
@@ -89,7 +89,7 @@ class TrackingRepository @Inject constructor(
 
 	@VisibleForTesting
 	suspend fun getTrack(manga: Manga): MangaTracking {
-		val track = db.tracksDao.find(manga.id)
+		val track = db.getTracksDao().find(manga.id)
 		return MangaTracking(
 			manga = manga,
 			lastChapterId = track?.lastChapterId ?: NO_ID,
@@ -99,14 +99,14 @@ class TrackingRepository @Inject constructor(
 
 	@VisibleForTesting
 	suspend fun deleteTrack(mangaId: Long) {
-		db.tracksDao.delete(mangaId)
+		db.getTracksDao().delete(mangaId)
 	}
 
 	fun observeTrackingLog(limit: Flow<Int>): Flow<List<TrackingLogItem>> {
 		return limit.flatMapLatest { limitValue ->
 			combine(
-				db.tracksDao.observeNewChaptersMap(),
-				db.trackLogsDao.observeAll(limitValue),
+				db.getTracksDao().observeNewChaptersMap(),
+				db.getTrackLogsDao().observeAll(limitValue),
 			) { counters, entities ->
 				val countersMap = counters.toMutableMap()
 				entities.map { x -> x.toTrackingLogItem(countersMap) }
@@ -116,21 +116,21 @@ class TrackingRepository @Inject constructor(
 		}
 	}
 
-	suspend fun getLogsCount() = db.trackLogsDao.count()
+	suspend fun getLogsCount() = db.getTrackLogsDao().count()
 
-	suspend fun clearLogs() = db.trackLogsDao.clear()
+	suspend fun clearLogs() = db.getTrackLogsDao().clear()
 
-	suspend fun clearCounters() = db.tracksDao.clearCounters()
+	suspend fun clearCounters() = db.getTracksDao().clearCounters()
 
 	suspend fun gc() {
-		db.tracksDao.gc()
-		db.trackLogsDao.gc()
+		db.getTracksDao().gc()
+		db.getTrackLogsDao().gc()
 	}
 
 	suspend fun saveUpdates(updates: MangaUpdates.Success) {
 		db.withTransaction {
 			val track = getOrCreateTrack(updates.manga.id).mergeWith(updates)
-			db.tracksDao.upsert(track)
+			db.getTracksDao().upsert(track)
 			if (updates.isValid && updates.newChapters.isNotEmpty()) {
 				updatePercent(updates)
 				val logEntity = TrackLogEntity(
@@ -138,7 +138,7 @@ class TrackingRepository @Inject constructor(
 					chapters = updates.newChapters.joinToString("\n") { x -> x.name },
 					createdAt = System.currentTimeMillis(),
 				)
-				db.trackLogsDao.insert(logEntity)
+				db.getTrackLogsDao().insert(logEntity)
 			}
 		}
 	}
@@ -146,10 +146,10 @@ class TrackingRepository @Inject constructor(
 	suspend fun clearUpdates(ids: Collection<Long>) {
 		when {
 			ids.isEmpty() -> return
-			ids.size == 1 -> db.tracksDao.clearCounter(ids.single())
+			ids.size == 1 -> db.getTracksDao().clearCounter(ids.single())
 			else -> db.withTransaction {
 				for (id in ids) {
-					db.tracksDao.clearCounter(id)
+					db.getTracksDao().clearCounter(id)
 				}
 			}
 		}
@@ -174,11 +174,11 @@ class TrackingRepository @Inject constructor(
 			lastCheck = System.currentTimeMillis(),
 			lastNotifiedChapterId = lastChapterId,
 		)
-		db.tracksDao.upsert(entity)
+		db.getTracksDao().upsert(entity)
 	}
 
 	suspend fun getCategoriesCount(): IntArray {
-		val categories = db.favouriteCategoriesDao.findAll()
+		val categories = db.getFavouriteCategoriesDao().findAll()
 		return intArrayOf(
 			categories.count { it.track },
 			categories.size,
@@ -186,19 +186,19 @@ class TrackingRepository @Inject constructor(
 	}
 
 	suspend fun getAllFavouritesManga(): Map<FavouriteCategory, List<Manga>> {
-		val categories = db.favouriteCategoriesDao.findAll()
+		val categories = db.getFavouriteCategoriesDao().findAll()
 		return categories.associateTo(LinkedHashMap(categories.size)) { categoryEntity ->
 			categoryEntity.toFavouriteCategory() to
-				db.favouritesDao.findAllManga(categoryEntity.categoryId).toMangaList()
+				db.getFavouritesDao().findAllManga(categoryEntity.categoryId).toMangaList()
 		}
 	}
 
 	suspend fun getAllHistoryManga(): List<Manga> {
-		return db.historyDao.findAllManga().toMangaList()
+		return db.getHistoryDao().findAllManga().toMangaList()
 	}
 
 	private suspend fun getOrCreateTrack(mangaId: Long): TrackEntity {
-		return db.tracksDao.find(mangaId) ?: TrackEntity(
+		return db.getTracksDao().find(mangaId) ?: TrackEntity(
 			mangaId = mangaId,
 			totalChapters = 0,
 			lastChapterId = 0L,
@@ -209,7 +209,7 @@ class TrackingRepository @Inject constructor(
 	}
 
 	private suspend fun updatePercent(updates: MangaUpdates.Success) {
-		val history = db.historyDao.find(updates.manga.id) ?: return
+		val history = db.getHistoryDao().find(updates.manga.id) ?: return
 		val chapters = updates.manga.chapters
 		if (chapters.isNullOrEmpty()) {
 			return
@@ -220,7 +220,7 @@ class TrackingRepository @Inject constructor(
 		}
 		val position = (chapters.size - updates.newChapters.size) * history.percent
 		val newPercent = position / chapters.size.toFloat()
-		db.historyDao.update(history.copy(percent = newPercent))
+		db.getHistoryDao().update(history.copy(percent = newPercent))
 	}
 
 	private fun TrackEntity.mergeWith(updates: MangaUpdates.Success): TrackEntity {

app/src/main/res/layout/item_download.xml

@@ -104,31 +104,6 @@
 			app:layout_constraintTop_toBottomOf="@id/textView_status"
 			tools:text="@tools:sample/lorem[3]" />
 
-		<com.google.android.material.card.MaterialCardView
-			android:id="@+id/card_details"
-			android:layout_width="0dp"
-			android:layout_height="0dp"
-			android:layout_marginHorizontal="12dp"
-			android:layout_marginTop="12dp"
-			app:layout_constraintEnd_toEndOf="parent"
-			app:layout_constraintHeight_default="wrap"
-			app:layout_constraintHeight_max="280dp"
-			app:layout_constraintStart_toStartOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/progressBar"
-			app:shapeAppearance="?shapeAppearanceCornerMedium">
-
-			<androidx.recyclerview.widget.RecyclerView
-				android:id="@+id/recyclerView_chapters"
-				android:layout_width="match_parent"
-				android:layout_height="match_parent"
-				android:orientation="vertical"
-				android:scrollbars="vertical"
-				app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-				tools:itemCount="200"
-				tools:listitem="@layout/item_chapter_download" />
-
-		</com.google.android.material.card.MaterialCardView>
-
 		<Button
 			android:id="@+id/button_pause"
 			style="?materialButtonOutlinedStyle"
@@ -139,7 +114,7 @@
 			android:text="@string/pause"
 			android:visibility="gone"
 			app:layout_constraintEnd_toStartOf="@id/button_resume"
-			app:layout_constraintTop_toBottomOf="@id/card_details"
+			app:layout_constraintTop_toBottomOf="@id/progressBar"
 			tools:visibility="visible" />
 
 		<Button
@@ -152,7 +127,7 @@
 			android:text="@string/resume"
 			android:visibility="gone"
 			app:layout_constraintEnd_toStartOf="@id/button_cancel"
-			app:layout_constraintTop_toBottomOf="@id/card_details" />
+			app:layout_constraintTop_toBottomOf="@id/progressBar" />
 
 		<Button
 			android:id="@+id/button_cancel"
@@ -164,7 +139,7 @@
 			android:text="@android:string/cancel"
 			android:visibility="gone"
 			app:layout_constraintEnd_toEndOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/card_details"
+			app:layout_constraintTop_toBottomOf="@id/progressBar"
 			tools:visibility="visible" />
 
 	</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/opt_shelf.xml

@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu
-	xmlns:android="http://schemas.android.com/apk/res/android"
-	xmlns:app="http://schemas.android.com/apk/res-auto">
-
-	<item
-		android:id="@+id/action_import"
-		android:orderInCategory="50"
-		android:title="@string/_import"
-		app:showAsAction="never" />
-
-	<item
-		android:id="@+id/action_categories"
-		android:orderInCategory="50"
-		android:title="@string/settings"
-		app:showAsAction="never" />
-
-	<item
-		android:id="@+id/action_grid_size"
-		android:orderInCategory="50"
-		android:title="@string/grid_size"
-		app:showAsAction="never" />
-
-	<item
-		android:id="@+id/action_clear_history"
-		android:orderInCategory="50"
-		android:title="@string/clear_history"
-		app:showAsAction="never" />
-
-</menu>

app/src/main/res/values-ar/plurals.xml

@@ -2,18 +2,58 @@
 <resources>
     <plurals name="new_chapters">
         <item quantity="zero">%1$d فصل جديد</item>
-        <item quantity="one"/>
-        <item quantity="two"/>
-        <item quantity="few"/>
+        <item quantity="one">%1$d فصل جديد</item>
+        <item quantity="two">%1$d فصول جديدة</item>
+        <item quantity="few">%1$d فصول جديدة</item>
         <item quantity="many">%1$d فصول جديدة</item>
-        <item quantity="other"/>
+        <item quantity="other">%1$d فصول جديدة</item>
     </plurals>
     <plurals name="chapters">
-        <item quantity="zero">لا يوجد</item>
+        <item quantity="zero">%1$d فصل</item>
         <item quantity="one">%1$d فصل</item>
         <item quantity="two">%1$d فصلين</item>
-        <item quantity="few">%1$d بعض فصول</item>
-        <item quantity="many">%1$d عدة فصول</item>
-        <item quantity="other">أخرى</item>
+        <item quantity="few">%1$d فصول</item>
+        <item quantity="many">%1$d فصول</item>
+        <item quantity="other">%1$d فصول</item>
+    </plurals>
+    <plurals name="minutes_ago">
+        <item quantity="zero">%1$d دقيقة مضت</item>
+        <item quantity="one">%1$d دقيقة مضت</item>
+        <item quantity="two">%1$d دقائق مضت</item>
+        <item quantity="few">%1$d دقائق مضت</item>
+        <item quantity="many">%1$d دقائق مضت</item>
+        <item quantity="other">%1$d دقائق مضت</item>
+    </plurals>
+    <plurals name="items">
+        <item quantity="zero">%1$d عنصر</item>
+        <item quantity="one">%1$d عنصر</item>
+        <item quantity="two">%1$d عناصر</item>
+        <item quantity="few">%1$d عناصر</item>
+        <item quantity="many">%1$d عناصر</item>
+        <item quantity="other">%1$d عناصر</item>
+    </plurals>
+    <plurals name="months_ago">
+        <item quantity="zero">%1$d شهر مضا</item>
+        <item quantity="one">%1$d شهر مضا</item>
+        <item quantity="two">%1$d شهرين مضت</item>
+        <item quantity="few">%1$d أشهر مضت</item>
+        <item quantity="many">%1$d أشهر مضت</item>
+        <item quantity="other">%1$d أشهر مضت</item>
+    </plurals>
+    <plurals name="days_ago">
+        <item quantity="zero">%1$d يوم مضا</item>
+        <item quantity="one">%1$d يوم مضا</item>
+        <item quantity="two">%1$d يومين مضت</item>
+        <item quantity="few">%1$d أيام مضت</item>
+        <item quantity="many">%1$d أيام مضت</item>
+        <item quantity="other">%1$d أيام مضت</item>
+    </plurals>
+    <plurals name="hours_ago">
+        <item quantity="zero">%1$d ساعة مضت</item>
+        <item quantity="one">%1$d ساعة مضت</item>
+        <item quantity="two">%1$d ساعات مضت</item>
+        <item quantity="few">%1$d ساعات مضت</item>
+        <item quantity="many">%1$d ساعات مضت</item>
+        <item quantity="other">%1$d ساعات مضت</item>
     </plurals>
 </resources>

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

@@ -156,7 +156,7 @@
     <string name="long_ago">منذ فترة</string>
     <string name="notifications_settings">إعدادات الإشعارات</string>
     <string name="save_manga">حفظ</string>
-    <string name="large_manga_save_confirm">تحتوي هذه المانجا على s%. حفظ الكل؟</string>
+    <string name="large_manga_save_confirm">هذه المانجا فيها %s . حفظ الكل</string>
     <string name="read_more">اقرأ المزيد</string>
     <string name="search_results">نتائج البحث</string>
     <string name="file_not_found">الملف غير موجود</string>
@@ -172,9 +172,10 @@
     <string name="data_restored_success">استعيدت جميع البيانات</string>
     <string name="backup_information">يمكنك إنشاء نسخة احتياطية من السجل الخاص بك والمفضلة واستعادتها</string>
     <string name="available_sources">المصادر المتاحة</string>
-    <string name="external_storage">التخزين الخارجي</string>
+    <string name="external_storage">تخزين خارجي</string>
     <string name="silent">صامت</string>
     <string name="today">اليوم</string>
     <string name="system_default">الافتراضي</string>
     <string name="sign_in">تسجبل الدخول</string>
+    <string name="domain">المجال</string>
 </resources>

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

@@ -494,4 +494,13 @@
     <string name="enhanced_colors_summary">Reduce el banding, pero puede afectar al rendimiento</string>
     <string name="by_relevance">Relevancia</string>
     <string name="online_variant">Variante en línea</string>
+    <string name="frequency_every_day">Cada día</string>
+    <string name="backup_frequency">Frecuencia de creación de las copias de seguridad</string>
+    <string name="periodic_backups_enable">Activar las copias de seguridad periódicas</string>
+    <string name="frequency_every_2_days">Cada 2 días</string>
+    <string name="frequency_once_per_week">Una vez a la semana</string>
+    <string name="periodic_backups">Copias de seguridad periódicas</string>
+    <string name="frequency_twice_per_month">Dos veces al mes</string>
+    <string name="frequency_once_per_month">Una vez al mes</string>
+    <string name="backups_output_directory">Directorio para guardar la copia de seguridad</string>
 </resources>

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

@@ -493,4 +493,14 @@
     <string name="categories">Mga Kategorya</string>
     <string name="list_options">Opsyon sa Listahan</string>
     <string name="by_relevance">Kaugnayan</string>
+    <string name="online_variant">Online na baryante</string>
+    <string name="frequency_every_day">Araw araw</string>
+    <string name="backup_frequency">Dalas ng paglikha ng backup</string>
+    <string name="periodic_backups_enable">Paganahin ang periodic na pag-backup</string>
+    <string name="frequency_every_2_days">Kada 2 araw</string>
+    <string name="frequency_once_per_week">Isang beses kada linggo</string>
+    <string name="periodic_backups">Mga periodic na pag-backup</string>
+    <string name="frequency_twice_per_month">Dalawang beses bawat buwan</string>
+    <string name="frequency_once_per_month">Isang beses bawat buwan</string>
+    <string name="backups_output_directory">Output directory ng mga backup</string>
 </resources>

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

@@ -41,11 +41,11 @@
     <string name="remove">Remover</string>
     <string name="_s_deleted_from_local_storage">«%s» deletado do armazenamento local</string>
     <string name="save_page">Salvar página</string>
-    <string name="page_saved">Salvou</string>
+    <string name="page_saved">Salvo</string>
     <string name="share_image">Compartilhar imagem</string>
     <string name="_import">Importar</string>
     <string name="updated">Atualizado</string>
-    <string name="delete">Deletar</string>
+    <string name="delete">Delete</string>
     <string name="operation_not_supported">Essa operação não é suportada</string>
     <string name="clear_pages_cache">Limpar cache de página</string>
     <string name="text_file_sizes">B|kB|MB|GB|TB</string>
@@ -66,10 +66,10 @@
     <string name="internal_storage">Armazenamento interno</string>
     <string name="external_storage">Armazenamento externo</string>
     <string name="domain">Domínio</string>
-    <string name="app_update_available">Uma nova versão da app está disponível</string>
+    <string name="app_update_available">Uma nova versão do app está disponível</string>
     <string name="open_in_browser">Abrir no navegador da web</string>
     <string name="large_manga_save_confirm">Este mangá tem %s. Salvar tudo isso\?</string>
-    <string name="save_manga">Salve</string>
+    <string name="save_manga">Salvar</string>
     <string name="notifications">Notificações</string>
     <string name="new_chapters">Novos capítulos</string>
     <string name="download">Download</string>
@@ -483,4 +483,15 @@
     <string name="show">Mostrar</string>
     <string name="color_black">Preto</string>
     <string name="this_month">Este mês</string>
+    <string name="categories">Categorias</string>
+    <string name="list_options">Listar opções</string>
+    <string name="suggest_new_sources">Sugira novas fontes após atualização do app</string>
+    <string name="enhanced_colors_summary">Reduz faixas, mas pode afetar o desempenho</string>
+    <string name="online_variant">Variante online</string>
+    <string name="by_relevance">Relevância</string>
+    <string name="enhanced_colors">Modo de cor 32-bit</string>
+    <string name="suggest_new_sources_summary">Solicitar a ativação de fontes recém-adicionadas após atualizar o aplicativo</string>
+    <string name="state_abandoned">Caiu</string>
+    <string name="keep_screen_on">Manter a tela ligada</string>
+    <string name="keep_screen_on_summary">Não desligue a tela enquanto estiver lendo mangá</string>
 </resources>

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

@@ -494,4 +494,14 @@
     <string name="enhanced_colors">32-битный цветовой режим</string>
     <string name="suggest_new_sources_summary">Предлагать источники манги, добавленные в последнем обновлении приложения</string>
     <string name="online_variant">Онлайн вариант</string>
+    <string name="frequency_every_day">Каждый день</string>
+    <string name="backup_frequency">Частота создания резервных копий</string>
+    <string name="periodic_backups_enable">Включить резервное копирование по расписанию</string>
+    <string name="frequency_every_2_days">Каждые 2 дня</string>
+    <string name="frequency_once_per_week">Раз в неделю</string>
+    <string name="periodic_backups">Резервное копирование по расписанию</string>
+    <string name="frequency_twice_per_month">Дважды в месяц</string>
+    <string name="frequency_once_per_month">Один раз в месяц</string>
+    <string name="backups_output_directory">Каталог для сохранения резервных копий</string>
+    <string name="last_successful_backup">Последняя резервная копия: %s</string>
 </resources>

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

@@ -490,4 +490,17 @@
     <string name="download_option_all_chapters">Çevirisi %s olan tüm bölümler</string>
     <string name="color_black">Siyah</string>
     <string name="this_month">Bu ay</string>
+    <string name="categories">Kategoriler</string>
+    <string name="list_options">Seçenekleri listele</string>
+    <string name="online_variant">Çevrimiçi varyant</string>
+    <string name="by_relevance">Alaka düzeyi</string>
+    <string name="frequency_every_day">Her gün</string>
+    <string name="backup_frequency">Yedek oluşturma sıklığı</string>
+    <string name="periodic_backups_enable">Zamanlı yedeklemeleri etkinleştirin</string>
+    <string name="frequency_every_2_days">2 günde 1</string>
+    <string name="frequency_once_per_week">Haftada 1 kez</string>
+    <string name="periodic_backups">Zamanlı yedekleme</string>
+    <string name="frequency_twice_per_month">Ayda 2 kere</string>
+    <string name="frequency_once_per_month">Ayda 1 kere</string>
+    <string name="backups_output_directory">Yedekleme dizini</string>
 </resources>

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

@@ -58,7 +58,7 @@
     <string name="clear_pages_cache">Очистити кеш сторінок</string>
     <string name="text_file_sizes">Б|кБ|МБ|ГБ|ТБ</string>
     <string name="standard">Стандартний</string>
-    <string name="webtoon">Манхва</string>
+    <string name="webtoon">Вебтун</string>
     <string name="read_mode">Режим читання</string>
     <string name="grid_size">Розмір сітки</string>
     <string name="search_on_s">Пошук по %s</string>
@@ -479,19 +479,19 @@
     <string name="directories">Каталоги</string>
     <string name="main_screen_sections">Розділи головного екрана</string>
     <string name="to_top">Вгору</string>
-    <string name="zoom_in">Збільшити</string>
+    <string name="zoom_in">Наблизити</string>
     <string name="reader_zoom_buttons_summary">Чи показувати елементи керування масштабуванням у нижньому правому куті</string>
     <string name="reader_zoom_buttons">Показати кнопки масштабування</string>
-    <string name="zoom_out">Зменшити</string>
+    <string name="zoom_out">Віддалити</string>
     <string name="keep_screen_on">Тримати екран увімкненим</string>
     <string name="keep_screen_on_summary">Не вимикати екран під час читання манги</string>
     <string name="state_abandoned">Кинута</string>
     <string name="categories">Категорії</string>
     <string name="list_options">Параметри списку</string>
-    <string name="suggest_new_sources">Пропонуйте нові джерела після оновлення застосунка</string>
+    <string name="suggest_new_sources">Пропонувати нові джерела після оновлення застосунку</string>
     <string name="enhanced_colors_summary">Зменшує смуги, але може вплинути на продуктивність</string>
     <string name="by_relevance">Актуальність</string>
     <string name="enhanced_colors">32-бітний колірний режим</string>
-    <string name="suggest_new_sources_summary">Пропонуйте джерела манги, додані в останньому оновленні застосунка</string>
+    <string name="suggest_new_sources_summary">Пропонує включити нові джерела манґи після оновлення застосунку</string>
     <string name="online_variant">Онлайн варіант</string>
 </resources>

app/src/main/res/values-vi/plurals.xml

@@ -1,18 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<plurals name="new_chapters">
-		<item quantity="other">%1$d chương mới</item>
-	</plurals>
-	<plurals name="chapters">
-		<item quantity="other">%1$d chương</item>
-	</plurals>
-	<plurals name="minutes_ago">
-		<item quantity="other">%1$d phút trước</item>
-	</plurals>
-	<plurals name="hours_ago">
-		<item quantity="other">%1$d giờ trước</item>
-	</plurals>
-	<plurals name="days_ago">
-		<item quantity="other">%1$d ngày trước</item>
-	</plurals>
-</resources>
+    <plurals name="new_chapters">
+        <item quantity="other">%1$d chương mới</item>
+    </plurals>
+    <plurals name="chapters">
+        <item quantity="other">%1$d chương</item>
+    </plurals>
+    <plurals name="minutes_ago">
+        <item quantity="other">%1$d phút trước</item>
+    </plurals>
+    <plurals name="hours_ago">
+        <item quantity="other">%1$d giờ trước</item>
+    </plurals>
+    <plurals name="days_ago">
+        <item quantity="other">%1$d ngày trước</item>
+    </plurals>
+    <plurals name="items">
+        <item quantity="other">%1$d mục</item>
+    </plurals>
+    <plurals name="months_ago">
+        <item quantity="other">%1$d tháng trước</item>
+    </plurals>
+</resources>

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

@@ -407,7 +407,7 @@
     <string name="local_manga_processing">Xử lý các truyện được lưu</string>
     <string name="text_delete_local_manga_batch">Xoá vĩnh viễn những thứ được chọn khỏi thiết bị\?</string>
     <string name="percent_string_pattern">%1$s%%</string>
-    <string name="disable_battery_optimization_summary">Giúp kiểm tra chương mới dưới nền dễ dàng hơn</string>
+    <string name="disable_battery_optimization_summary">Giúp kiểm tra chương mới trong khi chạy dưới nền dễ dàng hơn</string>
     <string name="show_on_shelf">Hiển thị trên kệ sách</string>
     <string name="mirror_switching">Tự động chọn máy chủ dự phòng</string>
     <string name="mirror_switching_summary">Tự động chuyển tên miền sang máy chủ dự phòng (nếu có) nếu gặp lỗi trên tên miền chính</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -68,7 +68,7 @@
     <string name="downloads">下载</string>
     <string name="by_name">名称</string>
     <string name="popular">热门</string>
-    <string name="updated">已更新</string>
+    <string name="updated">最近更新</string>
     <string name="sort_order">排序</string>
     <string name="filter">筛选</string>
     <string name="theme">主题</string>
@@ -483,4 +483,9 @@
     <string name="zoom_out">缩小</string>
     <string name="keep_screen_on">保持亮屏</string>
     <string name="keep_screen_on_summary">阅读漫画时不关闭屏幕</string>
+    <string name="list_options">列表选项</string>
+    <string name="suggest_new_sources">推荐新漫画源</string>
+    <string name="enhanced_colors_summary">减少色带，但可能会影响性能</string>
+    <string name="enhanced_colors">32位色彩模式</string>
+    <string name="suggest_new_sources_summary">应用更新后快速启用新增的漫画源</string>
 </resources>

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

@@ -1,51 +1,51 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string-array name="themes">
+	<string-array name="themes" translatable="false">
 		<item>@string/automatic</item>
 		<item>@string/light</item>
 		<item>@string/dark</item>
 	</string-array>
-	<string-array name="reader_switchers">
+	<string-array name="reader_switchers" translatable="false">
 		<item>@string/taps_on_edges</item>
 		<item>@string/volume_buttons</item>
 	</string-array>
-	<string-array name="zoom_modes">
+	<string-array name="zoom_modes" translatable="false">
 		<item>@string/zoom_mode_fit_center</item>
 		<item>@string/zoom_mode_fit_height</item>
 		<item>@string/zoom_mode_fit_width</item>
 		<item>@string/zoom_mode_keep_start</item>
 	</string-array>
-	<string-array name="track_sources">
+	<string-array name="track_sources" translatable="false">
 		<item>@string/favourites</item>
 		<item>@string/history</item>
 	</string-array>
-	<string-array name="list_modes">
+	<string-array name="list_modes" translatable="false">
 		<item>@string/list</item>
 		<item>@string/detailed_list</item>
 		<item>@string/grid</item>
 	</string-array>
-	<string-array name="screenshots_policy">
+	<string-array name="screenshots_policy" translatable="false">
 		<item>@string/screenshots_allow</item>
 		<item>@string/screenshots_block_nsfw</item>
 		<item>@string/screenshots_block_all</item>
 	</string-array>
-	<string-array name="network_policy">
+	<string-array name="network_policy" translatable="false">
 		<item>@string/always</item>
 		<item>@string/only_using_wifi</item>
 		<item>@string/never</item>
 	</string-array>
-	<string-array name="doh_providers">
+	<string-array name="doh_providers" translatable="false">
 		<item>@string/disabled</item>
 		<item>Google</item>
 		<item>CloudFlare</item>
 		<item>AdGuard</item>
 	</string-array>
-	<string-array name="reader_modes">
+	<string-array name="reader_modes" translatable="false">
 		<item>@string/standard</item>
 		<item>@string/right_to_left</item>
 		<item>@string/webtoon</item>
 	</string-array>
-	<string-array name="scrobbling_statuses">
+	<string-array name="scrobbling_statuses" translatable="false">
 		<item>@string/status_planned</item>
 		<item>@string/status_reading</item>
 		<item>@string/status_re_reading</item>
@@ -53,25 +53,32 @@
 		<item>@string/status_on_hold</item>
 		<item>@string/status_dropped</item>
 	</string-array>
-	<string-array name="proxy_types">
+	<string-array name="proxy_types" translatable="false">
 		<item>@string/disabled</item>
 		<item>HTTP</item>
 		<item>SOCKS (v4/v5)</item>
 	</string-array>
-	<string-array name="reader_backgrounds">
+	<string-array name="reader_backgrounds" translatable="false">
 		<item>@string/system_default</item>
 		<item>@string/color_light</item>
 		<item>@string/color_dark</item>
 		<item>@string/color_white</item>
 		<item>@string/color_black</item>
 	</string-array>
-	<string-array name="reader_animation">
+	<string-array name="reader_animation" translatable="false">
 		<item>@string/disabled</item>
 		<item>@string/system_default</item>
 		<item>@string/advanced</item>
 	</string-array>
-	<string-array name="first_nav_item">
+	<string-array name="first_nav_item" translatable="false">
 		<item>@string/history</item>
 		<item>@string/favourites</item>
 	</string-array>
+	<string-array name="backup_frequency" translatable="false">
+		<item>@string/frequency_every_day</item>
+		<item>@string/frequency_every_2_days</item>
+		<item>@string/frequency_once_per_week</item>
+		<item>@string/frequency_twice_per_month</item>
+		<item>@string/frequency_once_per_month</item>
+	</string-array>
 </resources>

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

@@ -64,4 +64,11 @@
 		<item>0</item>
 		<item>1</item>
 	</string-array>
+	<string-array name="values_backup_frequency" translatable="false">
+		<item>1</item>
+		<item>2</item>
+		<item>7</item>
+		<item>14</item>
+		<item>30</item>
+	</string-array>
 </resources>

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

@@ -500,4 +500,14 @@
 	<string name="by_relevance">Relevance</string>
 	<string name="categories">Categories</string>
 	<string name="online_variant">Online variant</string>
+	<string name="periodic_backups">Periodic backups</string>
+	<string name="backup_frequency">Backup creation frequency</string>
+	<string name="frequency_every_day">Every day</string>
+	<string name="frequency_every_2_days">Every 2 days</string>
+	<string name="frequency_once_per_week">Once per week</string>
+	<string name="frequency_twice_per_month">Twice per month</string>
+	<string name="frequency_once_per_month">Once per month</string>
+	<string name="periodic_backups_enable">Enable periodic backups</string>
+	<string name="backups_output_directory">Backups output directory</string>
+	<string name="last_successful_backup">Last successful backup: %s</string>
 </resources>

app/src/main/res/xml/pref_backup_periodic.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.preference.PreferenceScreen
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto">
+
+	<SwitchPreferenceCompat
+		android:defaultValue="false"
+		android:key="backup_periodic"
+		android:layout="@layout/preference_toggle_header"
+		android:title="@string/periodic_backups_enable" />
+
+	<ListPreference
+		android:defaultValue="7"
+		android:dependency="backup_periodic"
+		android:entries="@array/backup_frequency"
+		android:entryValues="@array/values_backup_frequency"
+		android:key="backup_periodic_freq"
+		android:title="@string/backup_frequency"
+		app:useSimpleSummaryProvider="true" />
+
+	<Preference
+		android:dependency="backup_periodic"
+		android:key="backup_periodic_output"
+		android:title="@string/backups_output_directory" />
+
+	<Preference
+		android:dependency="backup_periodic"
+		android:icon="@drawable/ic_info_outline"
+		android:key="backup_periodic_last"
+		android:persistent="false"
+		android:selectable="false"
+		app:allowDividerAbove="true"
+		app:isPreferenceVisible="false" />
+
+</androidx.preference.PreferenceScreen>

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

@@ -34,6 +34,12 @@
 			android:summary="@string/restore_summary"
 			android:title="@string/restore_backup" />
 
+		<Preference
+			android:fragment="org.koitharu.kotatsu.settings.backup.PeriodicalBackupSettingsFragment"
+			android:key="backup_periodic"
+			android:persistent="false"
+			android:title="@string/periodic_backups" />
+
 	</PreferenceCategory>
 
 	<PreferenceCategory android:title="@string/storage_usage">