Option to import manga from directories #31

app/src/main/AndroidManifest.xml

@@ -137,6 +137,7 @@
 			android:name="org.koitharu.kotatsu.download.ui.service.DownloadService"
 			android:foregroundServiceType="dataSync" />
 		<service android:name="org.koitharu.kotatsu.local.ui.LocalChaptersRemoveService" />
+		<service android:name="org.koitharu.kotatsu.local.ui.ImportService" />
 		<service
 			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetService"
 			android:permission="android.permission.BIND_REMOTEVIEWS" />

app/src/main/java/org/koitharu/kotatsu/base/ui/CoroutineIntentService.kt

@@ -15,7 +15,7 @@ abstract class CoroutineIntentService : BaseService() {
 	private val mutex = Mutex()
 	protected open val dispatcher: CoroutineDispatcher = Dispatchers.Default
 
-	override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+	final override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
 		super.onStartCommand(intent, flags, startId)
 		launchCoroutine(intent, startId)
 		return Service.START_REDELIVER_INTENT

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/CheckableButtonGroup.kt

@@ -12,7 +12,6 @@ import com.google.android.material.R as materialR
 import com.google.android.material.button.MaterialButton
 import com.google.android.material.shape.ShapeAppearanceModel
 
-@Deprecated("")
 class CheckableButtonGroup @JvmOverloads constructor(
 	context: Context,
 	attrs: AttributeSet? = null,

app/src/main/java/org/koitharu/kotatsu/download/ui/service/DownloadService.kt

@@ -196,7 +196,7 @@ class DownloadService : BaseService() {
 		private const val ACTION_DOWNLOAD_CANCEL = "${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_CANCEL"
 		private const val ACTION_DOWNLOAD_RESUME = "${BuildConfig.APPLICATION_ID}.action.ACTION_DOWNLOAD_RESUME"
 
-		private const val EXTRA_MANGA = "manga"
+		const val EXTRA_MANGA = "manga"
 		private const val EXTRA_CHAPTERS_IDS = "chapters_ids"
 		private const val EXTRA_CANCEL_ID = "cancel_id"
 

app/src/main/java/org/koitharu/kotatsu/library/ui/LibraryMenuProvider.kt

@@ -14,6 +14,7 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.dialog.RememberSelectionDialogListener
 import org.koitharu.kotatsu.library.ui.config.categories.LibraryCategoriesConfigSheet
 import org.koitharu.kotatsu.library.ui.config.size.LibrarySizeBottomSheet
+import org.koitharu.kotatsu.local.ui.ImportDialogFragment
 import org.koitharu.kotatsu.utils.ext.startOfDay
 
 class LibraryMenuProvider(
@@ -36,6 +37,10 @@ class LibraryMenuProvider(
 				LibrarySizeBottomSheet.show(fragmentManager)
 				true
 			}
+			R.id.action_import -> {
+				ImportDialogFragment.show(fragmentManager)
+				true
+			}
 			R.id.action_categories -> {
 				LibraryCategoriesConfigSheet.show(fragmentManager)
 				true

app/src/main/java/org/koitharu/kotatsu/local/data/CbzFilter.kt

@@ -10,8 +10,11 @@ class CbzFilter : FilenameFilter {
 		return isFileSupported(name)
 	}
 
-	fun isFileSupported(name: String): Boolean {
-		val ext = name.substringAfterLast('.', "").lowercase(Locale.ROOT)
-		return ext == "cbz" || ext == "zip"
+	companion object {
+
+		fun isFileSupported(name: String): Boolean {
+			val ext = name.substringAfterLast('.', "").lowercase(Locale.ROOT)
+			return ext == "cbz" || ext == "zip"
+		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/local/data/FlowFileObserver.kt

@@ -0,0 +1,27 @@
+package org.koitharu.kotatsu.local.data
+
+import android.os.FileObserver
+import java.io.File
+import kotlinx.coroutines.channels.ProducerScope
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.channels.trySendBlocking
+import kotlinx.coroutines.flow.callbackFlow
+
+@Suppress("DEPRECATION")
+class FlowFileObserver(
+	private val producerScope: ProducerScope<File>,
+	private val file: File,
+) : FileObserver(file.absolutePath, CREATE or DELETE or CLOSE_WRITE) {
+
+	override fun onEvent(event: Int, path: String?) {
+		producerScope.trySendBlocking(
+			if (path == null) file else file.resolve(path),
+		)
+	}
+}
+
+fun File.observe() = callbackFlow {
+	val observer = FlowFileObserver(this, this@observe)
+	observer.startWatching()
+	awaitClose { observer.stopWatching() }
+}

app/src/main/java/org/koitharu/kotatsu/local/data/LocalStorageManager.kt

@@ -9,6 +9,10 @@ import java.io.File
 import javax.inject.Inject
 import javax.inject.Singleton
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.flow.emptyFlow
+import kotlinx.coroutines.flow.flatMapMerge
 import kotlinx.coroutines.runInterruptible
 import kotlinx.coroutines.withContext
 import okhttp3.Cache
@@ -75,6 +79,14 @@ class LocalStorageManager @Inject constructor(
 
 	fun getStorageDisplayName(file: File) = file.getStorageName(context)
 
+	fun observe(files: List<File>): Flow<File> {
+		if (files.isEmpty()) {
+			return emptyFlow()
+		}
+		return files.asFlow()
+			.flatMapMerge(files.size) { it.observe() }
+	}
+
 	@WorkerThread
 	private fun getConfiguredStorageDirs(): MutableSet<File> {
 		val set = getAvailableStorageDirs()

app/src/main/java/org/koitharu/kotatsu/local/data/MangaIndex.kt

@@ -9,6 +9,7 @@ import org.koitharu.kotatsu.parsers.util.json.getLongOrDefault
 import org.koitharu.kotatsu.parsers.util.json.getStringOrNull
 import org.koitharu.kotatsu.parsers.util.json.mapJSONToSet
 import org.koitharu.kotatsu.parsers.util.toTitleCase
+import org.koitharu.kotatsu.utils.AlphanumComparator
 
 class MangaIndex(source: String?) {
 
@@ -37,7 +38,7 @@ class MangaIndex(source: String?) {
 					jo.put("title", tag.title)
 					a.put(jo)
 				}
-			}
+			},
 		)
 		if (!append || !json.has("chapters")) {
 			json.put("chapters", JSONObject())
@@ -68,7 +69,7 @@ class MangaIndex(source: String?) {
 				MangaTag(
 					title = x.getString("title").toTitleCase(),
 					key = x.getString("key"),
-					source = source
+					source = source,
 				)
 			},
 			chapters = getChapters(json.getJSONObject("chapters"), source),
@@ -103,9 +104,28 @@ class MangaIndex(source: String?) {
 	fun getChapterNamesPattern(chapter: MangaChapter) = Regex(
 		json.getJSONObject("chapters")
 			.getJSONObject(chapter.id.toString())
-			.getString("entries")
+			.getString("entries"),
 	)
 
+	fun sortChaptersByName() {
+		val jo = json.getJSONObject("chapters")
+		val list = ArrayList<JSONObject>(jo.length())
+		jo.keys().forEach { id ->
+			val item = jo.getJSONObject(id)
+			item.put("id", id)
+			list.add(item)
+		}
+		val comparator = AlphanumComparator()
+		list.sortWith(compareBy(comparator) { it.getString("name") })
+		val newJo = JSONObject()
+		list.forEachIndexed { i, obj ->
+			obj.put("number", i + 1)
+			val id = obj.remove("id") as String
+			newJo.put(id, obj)
+		}
+		json.put("chapters", newJo)
+	}
+
 	private fun getChapters(json: JSONObject, source: MangaSource): List<MangaChapter> {
 		val chapters = ArrayList<MangaChapter>(json.length())
 		for (k in json.keys()) {
@@ -120,7 +140,7 @@ class MangaIndex(source: String?) {
 					scanlator = v.getStringOrNull("scanlator"),
 					branch = v.getStringOrNull("branch"),
 					source = source,
-				)
+				),
 			)
 		}
 		return chapters.sortedBy { it.number }
@@ -131,4 +151,4 @@ class MangaIndex(source: String?) {
 	} else {
 		json.toString()
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/local/domain/CbzMangaOutput.kt

@@ -1,6 +1,8 @@
 package org.koitharu.kotatsu.local.domain
 
 import androidx.annotation.WorkerThread
+import java.io.File
+import java.util.zip.ZipFile
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
 import okio.Closeable
@@ -11,8 +13,6 @@ import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.util.toFileNameSafe
 import org.koitharu.kotatsu.utils.ext.deleteAwait
 import org.koitharu.kotatsu.utils.ext.readText
-import java.io.File
-import java.util.zip.ZipFile
 
 class CbzMangaOutput(
 	val file: File,
@@ -80,6 +80,10 @@ class CbzMangaOutput(
 		output.close()
 	}
 
+	fun sortChaptersByName() {
+		index.sortChaptersByName()
+	}
+
 	@WorkerThread
 	private fun mergeWith(other: File) {
 		var otherIndex: MangaIndex? = null
@@ -89,7 +93,7 @@ class CbzMangaOutput(
 					otherIndex = MangaIndex(
 						zip.getInputStream(entry).use {
 							it.reader().readText()
-						}
+						},
 					)
 				} else {
 					output.copyEntryFrom(zip, entry)
@@ -150,4 +154,4 @@ class CbzMangaOutput(
 			}
 		}
 	}
-}
+}

app/src/main/java/org/koitharu/kotatsu/local/domain/LocalMangaRepository.kt

@@ -8,7 +8,6 @@ import androidx.collection.ArraySet
 import androidx.core.net.toFile
 import androidx.core.net.toUri
 import java.io.File
-import java.io.IOException
 import java.util.*
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
@@ -16,7 +15,6 @@ import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.coroutines.CoroutineContext
 import kotlinx.coroutines.*
-import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.local.data.CbzFilter
 import org.koitharu.kotatsu.local.data.LocalStorageManager
@@ -29,7 +27,6 @@ import org.koitharu.kotatsu.utils.CompositeMutex
 import org.koitharu.kotatsu.utils.ext.deleteAwait
 import org.koitharu.kotatsu.utils.ext.longHashCode
 import org.koitharu.kotatsu.utils.ext.readText
-import org.koitharu.kotatsu.utils.ext.resolveName
 
 private const val MAX_PARALLELISM = 4
 
@@ -250,28 +247,6 @@ class LocalMangaRepository @Inject constructor(private val storageManager: Local
 
 	override suspend fun getTags() = emptySet<MangaTag>()
 
-	suspend fun import(uri: Uri) {
-		val contentResolver = storageManager.contentResolver
-		withContext(Dispatchers.IO) {
-			val name = contentResolver.resolveName(uri)
-				?: throw IOException("Cannot fetch name from uri: $uri")
-			if (!filenameFilter.isFileSupported(name)) {
-				throw UnsupportedFileException("Unsupported file on $uri")
-			}
-			val dest = File(
-				getOutputDir() ?: throw IOException("External files dir unavailable"),
-				name,
-			)
-			runInterruptible {
-				contentResolver.openInputStream(uri)?.use { source ->
-					dest.outputStream().use { output ->
-						source.copyTo(output)
-					}
-				}
-			} ?: throw IOException("Cannot open input stream: $uri")
-		}
-	}
-
 	suspend fun getOutputDir(): File? {
 		return storageManager.getDefaultWriteableDir()
 	}

app/src/main/java/org/koitharu/kotatsu/local/domain/importer/DirMangaImporter.kt

@@ -0,0 +1,140 @@
+package org.koitharu.kotatsu.local.domain.importer
+
+import android.content.Context
+import android.net.Uri
+import android.webkit.MimeTypeMap
+import androidx.documentfile.provider.DocumentFile
+import java.io.File
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.local.domain.CbzMangaOutput
+import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.model.RATING_UNKNOWN
+import org.koitharu.kotatsu.utils.ext.deleteAwait
+import org.koitharu.kotatsu.utils.ext.longOf
+
+// TODO: Add support for chapters in cbz
+// https://github.com/KotatsuApp/Kotatsu/issues/31
+class DirMangaImporter(
+	private val context: Context,
+	storageManager: LocalStorageManager,
+	private val localMangaRepository: LocalMangaRepository,
+) : MangaImporter(storageManager) {
+
+	private val contentResolver = context.contentResolver
+
+	override suspend fun import(uri: Uri): Manga {
+		val root = requireNotNull(DocumentFile.fromTreeUri(context, uri)) {
+			"Provided uri $uri is not a tree"
+		}
+		val manga = Manga(root)
+		val output = CbzMangaOutput.get(getOutputDir(), manga)
+		try {
+			val dest = output.use {
+				addPages(
+					output = it,
+					root = root,
+					path = "",
+					state = State(uri.hashCode(), 0, false),
+				)
+				it.sortChaptersByName()
+				it.mergeWithExisting()
+				it.finalize()
+				it.file
+			}
+			return localMangaRepository.getFromFile(dest)
+		} finally {
+			withContext(NonCancellable) {
+				output.cleanup()
+				File(getOutputDir(), "page.tmp").deleteAwait()
+			}
+		}
+	}
+
+	private suspend fun addPages(output: CbzMangaOutput, root: DocumentFile, path: String, state: State) {
+		var number = 0
+		for (file in root.listFiles()) {
+			when {
+				file.isDirectory -> {
+					addPages(output, file, path + "/" + file.name, state)
+				}
+				file.isFile -> {
+					val tempFile = file.asTempFile()
+					if (!state.hasCover) {
+						output.addCover(tempFile, file.extension)
+						state.hasCover = true
+					}
+					output.addPage(
+						chapter = state.getChapter(path),
+						file = tempFile,
+						pageNumber = number,
+						ext = file.extension,
+					)
+					number++
+				}
+			}
+		}
+	}
+
+	private suspend fun DocumentFile.asTempFile(): File {
+		val file = File(getOutputDir(), "page.tmp")
+		checkNotNull(contentResolver.openInputStream(uri)) {
+			"Cannot open input stream for $uri"
+		}.use { input ->
+			file.outputStream().use { output ->
+				input.copyTo(output)
+			}
+		}
+		return file
+	}
+
+	private fun Manga(file: DocumentFile) = Manga(
+		id = longOf(file.uri.hashCode(), 0),
+		title = checkNotNull(file.name),
+		altTitle = null,
+		url = file.uri.path.orEmpty(),
+		publicUrl = file.uri.toString(),
+		rating = RATING_UNKNOWN,
+		isNsfw = false,
+		coverUrl = "",
+		tags = emptySet(),
+		state = null,
+		author = null,
+		source = MangaSource.LOCAL,
+	)
+
+	private val DocumentFile.extension: String
+		get() = type?.let { MimeTypeMap.getSingleton().getExtensionFromMimeType(it) }
+			?: name?.substringAfterLast('.')?.takeIf { it.length in 2..4 }
+			?: error("Cannot obtain extension of $uri")
+
+	private class State(
+		private val rootId: Int,
+		private var counter: Int,
+		var hasCover: Boolean,
+	) {
+
+		private val chapters = HashMap<String, MangaChapter>()
+
+		@Synchronized
+		fun getChapter(path: String): MangaChapter {
+			return chapters.getOrPut(path) {
+				counter++
+				MangaChapter(
+					id = longOf(rootId, counter),
+					name = path.replace('/', ' ').trim(),
+					number = counter,
+					url = path.ifEmpty { "Default chapter" },
+					scanlator = null,
+					uploadDate = 0L,
+					branch = null,
+					source = MangaSource.LOCAL,
+				)
+			}
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/local/domain/importer/MangaImporter.kt

@@ -0,0 +1,43 @@
+package org.koitharu.kotatsu.local.domain.importer
+
+import android.content.Context
+import android.net.Uri
+import androidx.documentfile.provider.DocumentFile
+import dagger.hilt.android.qualifiers.ApplicationContext
+import java.io.File
+import java.io.IOException
+import javax.inject.Inject
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+
+abstract class MangaImporter(
+	protected val storageManager: LocalStorageManager,
+) {
+
+	abstract suspend fun import(uri: Uri): Manga
+
+	suspend fun getOutputDir(): File {
+		return storageManager.getDefaultWriteableDir() ?: throw IOException("External files dir unavailable")
+	}
+
+	class Factory @Inject constructor(
+		@ApplicationContext private val context: Context,
+		private val storageManager: LocalStorageManager,
+		private val localMangaRepository: LocalMangaRepository,
+	) {
+
+		fun create(uri: Uri): MangaImporter {
+			return when {
+				isDir(uri) -> DirMangaImporter(context, storageManager, localMangaRepository)
+				else -> ZipMangaImporter(storageManager, localMangaRepository)
+			}
+		}
+
+		private fun isDir(uri: Uri): Boolean {
+			return runCatching {
+				DocumentFile.fromTreeUri(context, uri)
+			}.isSuccess
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/local/domain/importer/ZipMangaImporter.kt

@@ -0,0 +1,39 @@
+package org.koitharu.kotatsu.local.domain.importer
+
+import android.net.Uri
+import java.io.File
+import java.io.IOException
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
+import kotlinx.coroutines.withContext
+import org.koitharu.kotatsu.core.exceptions.UnsupportedFileException
+import org.koitharu.kotatsu.local.data.CbzFilter
+import org.koitharu.kotatsu.local.data.LocalStorageManager
+import org.koitharu.kotatsu.local.domain.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.ext.resolveName
+
+class ZipMangaImporter(
+	storageManager: LocalStorageManager,
+	private val localMangaRepository: LocalMangaRepository,
+) : MangaImporter(storageManager) {
+
+	override suspend fun import(uri: Uri): Manga {
+		val contentResolver = storageManager.contentResolver
+		return withContext(Dispatchers.IO) {
+			val name = contentResolver.resolveName(uri) ?: throw IOException("Cannot fetch name from uri: $uri")
+			if (!CbzFilter.isFileSupported(name)) {
+				throw UnsupportedFileException("Unsupported file on $uri")
+			}
+			val dest = File(getOutputDir(), name)
+			runInterruptible {
+				contentResolver.openInputStream(uri)?.use { source ->
+					dest.outputStream().use { output ->
+						source.copyTo(output)
+					}
+				}
+			} ?: throw IOException("Cannot open input stream: $uri")
+			localMangaRepository.getFromFile(dest)
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/local/ui/ImportDialogFragment.kt

@@ -0,0 +1,60 @@
+package org.koitharu.kotatsu.local.ui
+
+import android.net.Uri
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.activityViewModels
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.AlertDialogFragment
+import org.koitharu.kotatsu.databinding.DialogImportBinding
+
+class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.OnClickListener {
+
+	private val viewModel by activityViewModels<LocalListViewModel>()
+	private val importFileCall = registerForActivityResult(ActivityResultContracts.OpenMultipleDocuments()) {
+		startImport(it)
+	}
+	private val importDirCall = registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) {
+		startImport(listOfNotNull(it))
+	}
+
+	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): DialogImportBinding {
+		return DialogImportBinding.inflate(inflater, container, false)
+	}
+
+	override fun onBuildDialog(builder: MaterialAlertDialogBuilder) {
+		builder.setTitle(R.string._import)
+			.setNegativeButton(android.R.string.cancel, null)
+			.setCancelable(true)
+	}
+
+	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+		super.onViewCreated(view, savedInstanceState)
+		binding.buttonDir.setOnClickListener(this)
+		binding.buttonFile.setOnClickListener(this)
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_file -> importFileCall.launch(arrayOf("*/*"))
+			R.id.button_dir -> importDirCall.launch(null)
+		}
+	}
+
+	private fun startImport(uris: Collection<Uri>) {
+		ImportService.start(requireContext(), uris)
+		dismiss()
+	}
+
+	companion object {
+
+		private const val TAG = "ImportDialogFragment"
+
+		fun show(fm: FragmentManager) = ImportDialogFragment().show(fm, TAG)
+	}
+}

app/src/main/java/org/koitharu/kotatsu/local/ui/ImportService.kt

@@ -0,0 +1,173 @@
+package org.koitharu.kotatsu.local.ui
+
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.widget.Toast
+import androidx.core.app.NotificationCompat
+import androidx.core.app.ServiceCompat
+import androidx.core.content.ContextCompat
+import coil.ImageLoader
+import coil.request.ImageRequest
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.CancellationException
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.base.ui.CoroutineIntentService
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.details.ui.DetailsActivity
+import org.koitharu.kotatsu.download.ui.service.DownloadService
+import org.koitharu.kotatsu.local.domain.importer.MangaImporter
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.utils.PendingIntentCompat
+import org.koitharu.kotatsu.utils.ext.*
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ImportService : CoroutineIntentService() {
+
+	@Inject
+	lateinit var importerFactory: MangaImporter.Factory
+
+	@Inject
+	lateinit var coil: ImageLoader
+
+	private lateinit var notificationManager: NotificationManager
+
+	override fun onCreate() {
+		super.onCreate()
+		isRunning = true
+		notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+	}
+
+	override fun onDestroy() {
+		isRunning = false
+		super.onDestroy()
+	}
+
+	override suspend fun processIntent(intent: Intent?) {
+		val uris = intent?.getParcelableArrayListExtra<Uri>(EXTRA_URIS)
+		if (uris.isNullOrEmpty()) {
+			return
+		}
+		startForeground()
+		for (uri in uris) {
+			try {
+				val manga = importImpl(uri)
+				showNotification(uri, manga, null)
+				sendBroadcast(manga)
+			} catch (e: CancellationException) {
+				throw e
+			} catch (e: Throwable) {
+				e.printStackTraceDebug()
+				showNotification(uri, null, e)
+			}
+		}
+		ServiceCompat.stopForeground(this, ServiceCompat.STOP_FOREGROUND_REMOVE)
+	}
+
+	private suspend fun importImpl(uri: Uri): Manga {
+		val importer = importerFactory.create(uri)
+		return importer.import(uri)
+	}
+
+	private fun sendBroadcast(manga: Manga) {
+		sendBroadcast(
+			Intent(DownloadService.ACTION_DOWNLOAD_COMPLETE)
+				.putExtra(DownloadService.EXTRA_MANGA, ParcelableManga(manga, withChapters = false)),
+		)
+	}
+
+	private suspend fun showNotification(uri: Uri, manga: Manga?, error: Throwable?) {
+		val notification = NotificationCompat.Builder(this, CHANNEL_ID)
+			.setPriority(NotificationCompat.PRIORITY_DEFAULT)
+			.setDefaults(0)
+			.setColor(ContextCompat.getColor(this, R.color.blue_primary_dark))
+			.setSilent(true)
+		if (manga != null) {
+			notification.setLargeIcon(
+				coil.execute(
+					ImageRequest.Builder(applicationContext).data(manga.coverUrl).referer(manga.publicUrl).build(),
+				).toBitmapOrNull(),
+			)
+			notification.setSubText(manga.title)
+			val intent = DetailsActivity.newIntent(applicationContext, manga)
+			notification.setContentIntent(
+				PendingIntent.getActivity(
+					applicationContext,
+					manga.id.toInt(),
+					intent,
+					PendingIntent.FLAG_UPDATE_CURRENT or PendingIntentCompat.FLAG_IMMUTABLE,
+				),
+			).setAutoCancel(true)
+				.setVisibility(
+					if (manga.isNsfw) {
+						NotificationCompat.VISIBILITY_SECRET
+					} else NotificationCompat.VISIBILITY_PUBLIC,
+				)
+		}
+		if (error != null) {
+			notification.setContentTitle(getString(R.string.error_occurred))
+				.setContentText(error.getDisplayMessage(resources))
+				.setSmallIcon(android.R.drawable.stat_notify_error)
+		} else {
+			notification.setContentTitle(getString(R.string.import_completed))
+				.setContentText(getString(R.string.import_completed_hint))
+				.setSmallIcon(R.drawable.ic_stat_done)
+			NotificationCompat.BigTextStyle(notification)
+				.bigText(getString(R.string.import_completed_hint))
+		}
+
+		notificationManager.notify(uri.hashCode(), notification.build())
+	}
+
+	private fun startForeground() {
+		val title = getString(R.string.importing_manga)
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+			val manager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+			val channel = NotificationChannel(CHANNEL_ID, title, NotificationManager.IMPORTANCE_LOW)
+			channel.setShowBadge(false)
+			channel.enableVibration(false)
+			channel.setSound(null, null)
+			channel.enableLights(false)
+			manager.createNotificationChannel(channel)
+		}
+
+		val notification = NotificationCompat.Builder(this, CHANNEL_ID)
+			.setContentTitle(title)
+			.setPriority(NotificationCompat.PRIORITY_MIN)
+			.setDefaults(0)
+			.setColor(ContextCompat.getColor(this, R.color.blue_primary_dark))
+			.setSilent(true)
+			.setProgress(0, 0, true)
+			.setSmallIcon(android.R.drawable.stat_sys_download)
+			.setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_IMMEDIATE)
+			.setOngoing(true)
+			.build()
+		startForeground(NOTIFICATION_ID, notification)
+	}
+
+	companion object {
+
+		var isRunning: Boolean = false
+			private set
+
+		private const val CHANNEL_ID = "importing"
+		private const val NOTIFICATION_ID = 22
+
+		private const val EXTRA_URIS = "uris"
+
+		fun start(context: Context, uris: Collection<Uri>) {
+			if (uris.isEmpty()) {
+				return
+			}
+			val intent = Intent(context, ImportService::class.java)
+			intent.putParcelableArrayListExtra(EXTRA_URIS, uris.asArrayList())
+			ContextCompat.startForegroundService(context, intent)
+			Toast.makeText(context, R.string.import_will_start_soon, Toast.LENGTH_LONG).show()
+		}
+	}
+}

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalChaptersRemoveService.kt

@@ -23,6 +23,16 @@ class LocalChaptersRemoveService : CoroutineIntentService() {
 	@Inject
 	lateinit var localMangaRepository: LocalMangaRepository
 
+	override fun onCreate() {
+		super.onCreate()
+		isRunning = true
+	}
+
+	override fun onDestroy() {
+		isRunning = false
+		super.onDestroy()
+	}
+
 	override suspend fun processIntent(intent: Intent?) {
 		val manga = intent?.getParcelableExtra<ParcelableManga>(EXTRA_MANGA)?.manga ?: return
 		val chaptersIds = intent.getLongArrayExtra(EXTRA_CHAPTERS_IDS)?.toSet() ?: return
@@ -64,6 +74,9 @@ class LocalChaptersRemoveService : CoroutineIntentService() {
 
 	companion object {
 
+		var isRunning: Boolean = false
+			private set
+
 		private const val CHANNEL_ID = "local_processing"
 		private const val NOTIFICATION_ID = 21
 

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListFragment.kt

@@ -1,13 +1,13 @@
 package org.koitharu.kotatsu.local.ui
 
-import android.content.*
-import android.net.Uri
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
-import androidx.activity.result.ActivityResultCallback
-import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.view.ActionMode
 import androidx.core.net.toFile
 import androidx.core.net.toUri
@@ -20,17 +20,10 @@ import org.koitharu.kotatsu.download.ui.service.DownloadService
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.utils.ShareHelper
 import org.koitharu.kotatsu.utils.ext.addMenuProvider
-import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
-import org.koitharu.kotatsu.utils.progress.Progress
 
-class LocalListFragment : MangaListFragment(), ActivityResultCallback<List<@JvmSuppressWildcards Uri>> {
+class LocalListFragment : MangaListFragment() {
 
 	override val viewModel by viewModels<LocalListViewModel>()
-	private val importCall = registerForActivityResult(
-		ActivityResultContracts.OpenMultipleDocuments(),
-		this,
-	)
-	private var importSnackbar: Snackbar? = null
 	private val downloadReceiver = object : BroadcastReceiver() {
 		override fun onReceive(context: Context?, intent: Intent?) {
 			if (intent?.action == DownloadService.ACTION_DOWNLOAD_COMPLETE) {
@@ -51,12 +44,6 @@ class LocalListFragment : MangaListFragment(), ActivityResultCallback<List<@JvmS
 		super.onViewCreated(view, savedInstanceState)
 		addMenuProvider(LocalListMenuProvider(this::onEmptyActionClick))
 		viewModel.onMangaRemoved.observe(viewLifecycleOwner) { onItemRemoved() }
-		viewModel.importProgress.observe(viewLifecycleOwner, ::onImportProgressChanged)
-	}
-
-	override fun onDestroyView() {
-		importSnackbar = null
-		super.onDestroyView()
 	}
 
 	override fun onDetach() {
@@ -64,25 +51,11 @@ class LocalListFragment : MangaListFragment(), ActivityResultCallback<List<@JvmS
 		super.onDetach()
 	}
 
-	override fun onScrolledToEnd() = Unit
-
 	override fun onEmptyActionClick() {
-		try {
-			importCall.launch(arrayOf("*/*"))
-		} catch (e: ActivityNotFoundException) {
-			e.printStackTraceDebug()
-			Snackbar.make(
-				binding.recyclerView,
-				R.string.operation_not_supported,
-				Snackbar.LENGTH_SHORT,
-			).show()
-		}
+		ImportDialogFragment.show(childFragmentManager)
 	}
 
-	override fun onActivityResult(result: List<@JvmSuppressWildcards Uri>) {
-		if (result.isEmpty()) return
-		viewModel.importFiles(result)
-	}
+	override fun onScrolledToEnd() = Unit
 
 	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
 		mode.menuInflater.inflate(R.menu.mode_local, menu)
@@ -121,25 +94,6 @@ class LocalListFragment : MangaListFragment(), ActivityResultCallback<List<@JvmS
 		Snackbar.make(binding.recyclerView, R.string.removal_completed, Snackbar.LENGTH_SHORT).show()
 	}
 
-	private fun onImportProgressChanged(progress: Progress?) {
-		if (progress == null) {
-			importSnackbar?.dismiss()
-			importSnackbar = null
-			return
-		}
-		val summaryText = getString(
-			R.string.importing_progress,
-			progress.value + 1,
-			progress.total,
-		)
-		importSnackbar?.setText(summaryText) ?: run {
-			val snackbar =
-				Snackbar.make(binding.recyclerView, summaryText, Snackbar.LENGTH_INDEFINITE)
-			importSnackbar = snackbar
-			snackbar.show()
-		}
-	}
-
 	companion object {
 
 		fun newInstance() = LocalListFragment()

app/src/main/java/org/koitharu/kotatsu/local/ui/LocalListViewModel.kt

@@ -1,13 +1,10 @@
 package org.koitharu.kotatsu.local.ui
 
-import android.net.Uri
-import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import java.io.IOException
 import javax.inject.Inject
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.update
@@ -27,7 +24,6 @@ import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.utils.SingleLiveEvent
 import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
-import org.koitharu.kotatsu.utils.progress.Progress
 
 @HiltViewModel
 class LocalListViewModel @Inject constructor(
@@ -37,10 +33,8 @@ class LocalListViewModel @Inject constructor(
 ) : MangaListViewModel(settings) {
 
 	val onMangaRemoved = SingleLiveEvent<Unit>()
-	val importProgress = MutableLiveData<Progress?>(null)
 	private val listError = MutableStateFlow<Throwable?>(null)
 	private val mangaList = MutableStateFlow<List<Manga>?>(null)
-	private var importJob: Job? = null
 
 	override val content = combine(
 		mangaList,
@@ -75,20 +69,6 @@ class LocalListViewModel @Inject constructor(
 
 	override fun onRetry() = onRefresh()
 
-	fun importFiles(uris: List<Uri>) {
-		val previousJob = importJob
-		importJob = launchJob(Dispatchers.Default) {
-			previousJob?.join()
-			importProgress.postValue(Progress(0, uris.size))
-			for ((i, uri) in uris.withIndex()) {
-				repository.import(uri)
-				importProgress.postValue(Progress(i + 1, uris.size))
-				doRefresh()
-			}
-			importProgress.postValue(null)
-		}
-	}
-
 	fun delete(ids: Set<Long>) {
 		launchLoadingJob {
 			withContext(Dispatchers.Default) {
@@ -118,7 +98,7 @@ class LocalListViewModel @Inject constructor(
 	}
 
 	private fun cleanup() {
-		if (!DownloadService.isRunning) {
+		if (!DownloadService.isRunning && !ImportService.isRunning && !LocalChaptersRemoveService.isRunning) {
 			viewModelScope.launch {
 				runCatching {
 					repository.cleanup()

app/src/main/java/org/koitharu/kotatsu/utils/ext/CollectionExt.kt

@@ -25,7 +25,7 @@ inline fun <T> Set(size: Int, init: (index: Int) -> T): Set<T> = when (size) {
 	else -> MutableSet(size, init)
 }
 
-fun <T> List<T>.asArrayList(): ArrayList<T> = if (this is ArrayList<*>) {
+fun <T> Collection<T>.asArrayList(): ArrayList<T> = if (this is ArrayList<*>) {
 	this as ArrayList<T>
 } else {
 	ArrayList(this)
@@ -38,4 +38,4 @@ fun <K, V> Map<K, V>.findKeyByValue(value: V): K? {
 		}
 	}
 	return null
-}
+}

app/src/main/java/org/koitharu/kotatsu/utils/ext/PrimitiveExt.kt

@@ -1,3 +1,7 @@
 package org.koitharu.kotatsu.utils.ext
 
-inline fun Int.ifZero(defaultValue: () -> Int): Int = if (this == 0) defaultValue() else this
+inline fun Int.ifZero(defaultValue: () -> Int): Int = if (this == 0) defaultValue() else this
+
+fun longOf(a: Int, b: Int): Long {
+	return a.toLong() shl 32 or (b.toLong() and 0xffffffffL)
+}

app/src/main/res/drawable-anydpi-v24/ic_stat_book_plus.xml

@@ -6,5 +6,5 @@
 	android:viewportHeight="24">
 	<path
 		android:fillColor="#FFFFFF"
-		android:pathData="M4,6H2V20A2,2 0 0,0 4,22H18V20H4V6M20,2H8A2,2 0 0,0 6,4V16A2,2 0 0,0 8,18H20A2,2 0 0,0 22,16V4A2,2 0 0,0 20,2M20,12L17.5,10.5L15,12V4H20V12Z" />
-</vector>
+		android:pathData="M4 20H18V22H4C2.9 22 2 21.1 2 20V6H4V20M22 4V16C22 17.1 21.1 18 20 18H8C6.9 18 6 17.1 6 16V4C6 2.9 6.9 2 8 2H20C21.1 2 22 2.9 22 4M20 4H8V16H20V4M18 6H13V13L15.5 11.5L18 13V6Z" />
+</vector>

app/src/main/res/drawable-anydpi-v24/ic_stat_done.xml

@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#FFFFFF">
+  <group android:scaleX="0.92"
+      android:scaleY="0.92"
+      android:translateX="0.96"
+      android:translateY="0.96">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M21,5L9,17L3.5,11.5L4.91,10.09L9,14.17L19.59,3.59L21,5M3,21V19H21V21H3Z"/>
+  </group>
+</vector>

app/src/main/res/drawable/ic_file_zip.xml

@@ -0,0 +1,14 @@
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#FF000000"
+		android:pathData="M14,2H6A2,2 0,0 0,4 4v16a2,2 0,0 0,2 2h12a2,2 0,0 0,2 -2V8L14,2m4,18H6V4h7v5h5z" />
+	<path
+		android:fillColor="#FF000000"
+		android:pathData="m16,16v-2h-2v2h2m-4,-2h2V12h-2v2m4,6v-2h-2v2h2m-4,-2h2V16h-2v2" />
+</vector>

app/src/main/res/drawable/ic_folder_file.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000"
+		android:pathData="M4 18H11V20H4C2.9 20 2 19.11 2 18V6C2 4.89 2.89 4 4 4H10L12 6H20C21.1 6 22 6.89 22 8V10.17L20.41 8.59L20 8.17V8H4V18M23 14V21C23 22.11 22.11 23 21 23H15C13.9 23 13 22.11 13 21V12C13 10.9 13.9 10 15 10H19L23 14M21 15H18V12H15V21H21V15Z" />
+</vector>

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

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:orientation="vertical"
+	android:paddingHorizontal="@dimen/grid_spacing_outer"
+	android:paddingTop="@dimen/margin_normal">
+
+	<org.koitharu.kotatsu.base.ui.widgets.ListItemTextView
+		android:id="@+id/button_file"
+		android:layout_width="match_parent"
+		android:layout_height="?android:listPreferredItemHeightSmall"
+		android:drawableStart="@drawable/ic_file_zip"
+		android:drawablePadding="?android:listPreferredItemPaddingStart"
+		android:paddingStart="?android:listPreferredItemPaddingStart"
+		android:paddingEnd="?android:listPreferredItemPaddingEnd"
+		android:text="@string/comics_archive"
+		android:textAppearance="?attr/textAppearanceButton" />
+
+	<org.koitharu.kotatsu.base.ui.widgets.ListItemTextView
+		android:id="@+id/button_dir"
+		android:layout_width="match_parent"
+		android:layout_height="?android:listPreferredItemHeightSmall"
+		android:drawableStart="@drawable/ic_folder_file"
+		android:drawablePadding="?android:listPreferredItemPaddingStart"
+		android:paddingStart="?android:listPreferredItemPaddingStart"
+		android:paddingEnd="?android:listPreferredItemPaddingEnd"
+		android:text="@string/folder_with_images"
+		android:textAppearance="?attr/textAppearanceButton" />
+
+</LinearLayout>

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

@@ -3,6 +3,11 @@
 	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"

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

@@ -8,7 +8,7 @@
 	<string name="url_weblate" translatable="false">https://hosted.weblate.org/engage/kotatsu</string>
 	<string name="email_error_report" translatable="false">kotatsu@waifu.club</string>
 	<string name="account_type_sync" translatable="false">org.kotatsu.sync</string>
-	<string name="url_sync_server" translatable="false">http://95.216.215.49:8055</string>
+	<string name="url_sync_server" translatable="false">http://86.57.183.214:8081</string>
 	<string-array name="values_theme" translatable="false">
 		<item>-1</item>
 		<item>1</item>

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

@@ -368,4 +368,10 @@
 	<string name="seconds_pattern">%ss</string>
 	<string name="reader_info_pattern">Ch. %1$d/%2$d Pg. %3$d/%4$d</string>
 	<string name="reader_info_bar">Show information bar in reader</string>
+	<string name="comics_archive">Comics archive</string>
+	<string name="folder_with_images">Folder with images</string>
+	<string name="importing_manga">Importing manga</string>
+	<string name="import_completed">Import completed</string>
+	<string name="import_completed_hint">You can delete the original file from storage to save space</string>
+	<string name="import_will_start_soon">Import will start soon</string>
 </resources>