372 lines
14 KiB
Kotlin
Executable File
372 lines
14 KiB
Kotlin
Executable File
package eu.kanade.tachiyomi.source
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import android.content.Context
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import com.github.junrar.Archive
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import eu.kanade.tachiyomi.R
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import eu.kanade.tachiyomi.data.preference.PreferencesHelper
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import eu.kanade.tachiyomi.source.model.Filter
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import eu.kanade.tachiyomi.source.model.FilterList
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import eu.kanade.tachiyomi.source.model.MangasPage
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import eu.kanade.tachiyomi.source.model.Page
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import eu.kanade.tachiyomi.source.model.SChapter
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import eu.kanade.tachiyomi.source.model.SManga
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import eu.kanade.tachiyomi.util.chapter.ChapterRecognition
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import eu.kanade.tachiyomi.util.lang.compareToCaseInsensitiveNaturalOrder
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import eu.kanade.tachiyomi.util.storage.DiskUtil
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import eu.kanade.tachiyomi.util.storage.EpubFile
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import eu.kanade.tachiyomi.util.system.ImageUtil
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import kotlinx.serialization.Serializable
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import kotlinx.serialization.json.Json
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import kotlinx.serialization.json.decodeFromStream
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import kotlinx.serialization.json.encodeToStream
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import rx.Observable
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import timber.log.Timber
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import uy.kohesive.injekt.injectLazy
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import java.io.File
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import java.io.FileInputStream
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import java.io.InputStream
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import java.util.Locale
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import java.util.concurrent.TimeUnit
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import java.util.zip.ZipFile
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class LocalSource(private val context: Context) : CatalogueSource {
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companion object {
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const val ID = 0L
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const val HELP_URL = "https://tachiyomi.org/help/guides/local-manga/"
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private val SUPPORTED_ARCHIVE_TYPES = setOf("zip", "rar", "cbr", "cbz", "epub")
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private val LATEST_THRESHOLD = TimeUnit.MILLISECONDS.convert(7, TimeUnit.DAYS)
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fun updateCover(context: Context, manga: SManga, input: InputStream): File? {
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val dir = getBaseDirectories(context).firstOrNull()
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if (dir == null) {
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input.close()
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return null
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}
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val cover = getCoverFile(File("${dir.absolutePath}/${manga.url}"))
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if (cover != null && cover.exists()) {
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// It might not exist if using the external SD card
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cover.parentFile?.mkdirs()
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input.use {
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cover.outputStream().use {
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input.copyTo(it)
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}
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}
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}
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return cover
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}
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/**
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* Returns valid cover file inside [parent] directory.
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*/
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private fun getCoverFile(parent: File): File? {
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return parent.listFiles()?.find { it.nameWithoutExtension == "cover" }?.takeIf {
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it.isFile && ImageUtil.isImage(it.name) { it.inputStream() }
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}
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}
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private fun getBaseDirectories(context: Context): List<File> {
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val c = context.getString(R.string.app_name) + File.separator + "local"
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return DiskUtil.getExternalStorages(context).map { File(it.absolutePath, c) }
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}
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}
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private val json: Json by injectLazy()
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// SY -->
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private val preferences: PreferencesHelper by injectLazy()
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// SY <--
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override val id = ID
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override val name = context.getString(R.string.local_source)
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override val lang = ""
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override val supportsLatest = true
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override fun toString() = context.getString(R.string.local_source)
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override fun fetchPopularManga(page: Int) = fetchSearchManga(page, "", POPULAR_FILTERS)
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override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
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val baseDirs = getBaseDirectories(context)
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// SY -->
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val allowLocalSourceHiddenFolders = preferences.allowLocalSourceHiddenFolders().get()
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// SY <--
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val time = if (filters === LATEST_FILTERS) System.currentTimeMillis() - LATEST_THRESHOLD else 0L
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var mangaDirs = baseDirs
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.asSequence()
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.mapNotNull { it.listFiles()?.toList() }
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.flatten()
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.filter { it.isDirectory }
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.filterNot { it.name.startsWith('.') /* SY --> */ && !allowLocalSourceHiddenFolders /* SY <-- */ }
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.filter { if (time == 0L) it.name.contains(query, ignoreCase = true) else it.lastModified() >= time }
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.distinctBy { it.name }
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val state = ((if (filters.isEmpty()) POPULAR_FILTERS else filters)[0] as OrderBy).state
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when (state?.index) {
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0 -> {
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mangaDirs = if (state.ascending) {
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mangaDirs.sortedBy { it.name.lowercase(Locale.ENGLISH) }
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} else {
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mangaDirs.sortedByDescending { it.name.lowercase(Locale.ENGLISH) }
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}
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}
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1 -> {
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mangaDirs = if (state.ascending) {
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mangaDirs.sortedBy(File::lastModified)
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} else {
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mangaDirs.sortedByDescending(File::lastModified)
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}
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}
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}
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val mangas = mangaDirs.map { mangaDir ->
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SManga.create().apply {
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title = mangaDir.name
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url = mangaDir.name
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// Try to find the cover
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for (dir in baseDirs) {
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val cover = getCoverFile(File("${dir.absolutePath}/$url"))
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if (cover != null && cover.exists()) {
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thumbnail_url = cover.absolutePath
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break
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}
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}
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val chapters = fetchChapterList(this).toBlocking().first()
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if (chapters.isNotEmpty()) {
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val chapter = chapters.last()
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val format = getFormat(chapter)
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if (format is Format.Epub) {
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EpubFile(format.file).use { epub ->
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epub.fillMangaMetadata(this)
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}
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}
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// Copy the cover from the first chapter found.
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if (thumbnail_url == null) {
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try {
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val dest = updateCover(chapter, this)
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thumbnail_url = dest?.absolutePath
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} catch (e: Exception) {
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Timber.e(e)
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}
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}
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}
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}
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}
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return Observable.just(MangasPage(mangas.toList(), false))
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}
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// SY -->
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fun updateMangaInfo(manga: SManga) {
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val directory = getBaseDirectories(context).map { File(it, manga.url) }.find {
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it.exists()
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} ?: return
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val existingFileName = directory.listFiles()?.find { it.extension == "json" }?.name
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val file = File(directory, existingFileName ?: "info.json")
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file.outputStream().use {
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json.encodeToStream(manga.toJson(), it)
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}
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}
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private fun SManga.toJson(): MangaJson {
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return MangaJson(title, author, artist, description, genre?.split(", "), status)
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}
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@Serializable
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data class MangaJson(
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val title: String? = null,
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val author: String? = null,
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val artist: String? = null,
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val description: String? = null,
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val genre: List<String>? = null,
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val status: Int? = null
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)
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// SY <--
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override fun fetchLatestUpdates(page: Int) = fetchSearchManga(page, "", LATEST_FILTERS)
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override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
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getBaseDirectories(context)
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.asSequence()
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.mapNotNull { File(it, manga.url).listFiles()?.toList() }
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.flatten()
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.firstOrNull { it.extension == "json" }
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?.apply {
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val json = json.decodeFromStream<MangaJson>(inputStream())
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manga.title = json.title ?: manga.title
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manga.author = json.author ?: manga.author
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manga.artist = json.artist ?: manga.artist
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manga.description = json.description ?: manga.description
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manga.genre = json.genre?.joinToString(", ") ?: manga.genre
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manga.status = json.status ?: manga.status
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}
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return Observable.just(manga)
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}
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override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
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val chapters = getBaseDirectories(context)
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.asSequence()
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.mapNotNull { File(it, manga.url).listFiles()?.toList() }
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.flatten()
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.filter { it.isDirectory || isSupportedFile(it.extension) }
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.map { chapterFile ->
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SChapter.create().apply {
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url = "${manga.url}/${chapterFile.name}"
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name = if (chapterFile.isDirectory) {
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chapterFile.name
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} else {
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chapterFile.nameWithoutExtension
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}
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date_upload = chapterFile.lastModified()
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val format = getFormat(this)
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if (format is Format.Epub) {
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EpubFile(format.file).use { epub ->
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epub.fillChapterMetadata(this)
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}
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}
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val chapNameCut = stripMangaTitle(name, manga.title)
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if (chapNameCut.isNotEmpty()) name = chapNameCut
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ChapterRecognition.parseChapterNumber(this, manga)
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}
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}
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.sortedWith { c1, c2 ->
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val c = c2.chapter_number.compareTo(c1.chapter_number)
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if (c == 0) c2.name.compareToCaseInsensitiveNaturalOrder(c1.name) else c
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}
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.toList()
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return Observable.just(chapters)
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}
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/**
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* Strips the manga title from a chapter name, matching only based on alphanumeric and whitespace
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* characters.
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*/
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private fun stripMangaTitle(chapterName: String, mangaTitle: String): String {
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var chapterNameIndex = 0
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var mangaTitleIndex = 0
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while (chapterNameIndex < chapterName.length && mangaTitleIndex < mangaTitle.length) {
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val chapterChar = chapterName[chapterNameIndex]
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val mangaChar = mangaTitle[mangaTitleIndex]
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if (!chapterChar.equals(mangaChar, true)) {
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val invalidChapterChar = !chapterChar.isLetterOrDigit() && !chapterChar.isWhitespace()
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val invalidMangaChar = !mangaChar.isLetterOrDigit() && !mangaChar.isWhitespace()
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if (!invalidChapterChar && !invalidMangaChar) {
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return chapterName
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}
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if (invalidChapterChar) {
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chapterNameIndex++
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}
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if (invalidMangaChar) {
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mangaTitleIndex++
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}
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} else {
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chapterNameIndex++
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mangaTitleIndex++
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}
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}
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return chapterName.substring(chapterNameIndex).trimStart(' ', '-', '_', ',', ':')
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}
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override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
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return Observable.error(Exception("Unused"))
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}
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private fun isSupportedFile(extension: String): Boolean {
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return extension.lowercase() in SUPPORTED_ARCHIVE_TYPES
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}
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fun getFormat(chapter: SChapter): Format {
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val baseDirs = getBaseDirectories(context)
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for (dir in baseDirs) {
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val chapFile = File(dir, chapter.url)
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if (!chapFile.exists()) continue
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return getFormat(chapFile)
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}
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throw Exception(context.getString(R.string.chapter_not_found))
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}
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private fun getFormat(file: File) = with(file) {
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when {
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isDirectory -> Format.Directory(this)
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extension.equals("zip", true) || extension.equals("cbz", true) -> Format.Zip(this)
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extension.equals("rar", true) || extension.equals("cbr", true) -> Format.Rar(this)
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extension.equals("epub", true) -> Format.Epub(this)
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else -> throw Exception(context.getString(R.string.local_invalid_format))
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}
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}
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private fun updateCover(chapter: SChapter, manga: SManga): File? {
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return when (val format = getFormat(chapter)) {
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is Format.Directory -> {
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val entry = format.file.listFiles()
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?.sortedWith { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) }
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?.find { !it.isDirectory && ImageUtil.isImage(it.name) { FileInputStream(it) } }
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entry?.let { updateCover(context, manga, it.inputStream()) }
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}
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is Format.Zip -> {
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ZipFile(format.file).use { zip ->
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val entry = zip.entries().toList()
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.sortedWith { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) }
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.find { !it.isDirectory && ImageUtil.isImage(it.name) { zip.getInputStream(it) } }
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entry?.let { updateCover(context, manga, zip.getInputStream(it)) }
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}
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}
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is Format.Rar -> {
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Archive(format.file).use { archive ->
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val entry = archive.fileHeaders
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.sortedWith { f1, f2 -> f1.fileName.compareToCaseInsensitiveNaturalOrder(f2.fileName) }
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.find { !it.isDirectory && ImageUtil.isImage(it.fileName) { archive.getInputStream(it) } }
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entry?.let { updateCover(context, manga, archive.getInputStream(it)) }
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}
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}
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is Format.Epub -> {
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EpubFile(format.file).use { epub ->
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val entry = epub.getImagesFromPages()
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.firstOrNull()
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?.let { epub.getEntry(it) }
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entry?.let { updateCover(context, manga, epub.getInputStream(it)) }
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}
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}
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}
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}
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override fun getFilterList() = POPULAR_FILTERS
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private val POPULAR_FILTERS = FilterList(OrderBy(context))
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private val LATEST_FILTERS = FilterList(OrderBy(context).apply { state = Filter.Sort.Selection(1, false) })
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private class OrderBy(context: Context) : Filter.Sort(
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context.getString(R.string.local_filter_order_by),
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arrayOf(context.getString(R.string.title), context.getString(R.string.date)),
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Selection(0, true)
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)
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sealed class Format {
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data class Directory(val file: File) : Format()
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data class Zip(val file: File) : Format()
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data class Rar(val file: File) : Format()
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data class Epub(val file: File) : Format()
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}
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}
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